* config/bfin/bfin.c (bfin_secondary_reload): Renamed from
[official-gcc.git] / gcc / ChangeLog
blobaaed30c82903a780e1cfeaf2905ef8d9c4abd64e
1 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
4         secondary_input_reload_class, made static.  Adapt to new
5         infrastructure.
6         (secondary_output_reload_class): Delete.
7         (TARGET_SECONDARY_RELOAD): New macro.
8         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
9         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
11 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
13         PR c++/21166
14         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
15         when its natural alignment is > BITS_PER_UNIT.
16         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
17         * c-common.c (handle_packed_attribute): Ignore packing on a field
18         whose type is naturally char aligned.
20 2005-11-28  Richard Guenther  <rguenther@suse.de>
22         * c-common.c (strict_aliasing_warning): Handle all
23         component-ref like accesses.
25 2005-11-28  Roger Sayle  <roger@eyesopen.com>
26             Uros Bizjak  <uros@kss-loka.si>
28         PR middle-end/20219
29         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize 
30         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
31         when flag_unsafe_math_optimizations is set and
32         we don't care about NaNs or Infinities.
34         Move x/expN(y) and x/pow(y,z) transformation into common
35         flag_unsafe_math_optimizations section.
37 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
39         * gcc.c (main): Change type of argv to "char **".
41 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
43         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
44         small data sections.
45         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
46         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
47         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
48         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
49         output locals to sbss if !rs6000_elf_in_small_data_p.
50         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
52 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
54         PR target/24997
55         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
56         generated by reload.
57         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
58         indexed_or_indirect_address.
59         (indexed_or_indirect_address): Don't test for base reg.  Call
60         address_operand last.  Make it a special predicate.
62 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
64         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
66 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
68         PR middle-end/24575
69         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
70         is undefined.
71         (negate_expr): Likewise.
73 2005-11-27  Andreas Schwab  <schwab@suse.de>
75         * config/m68k/m68k.c: Reindent and fix whitespace, remove
76         redundant parens.
78 2005-11-27  Steven Bosscher  <stevenb@suse.de>
80         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
81         has EH predecessor edges.
83 2005-11-26  Eric Christopher  <echristo@apple.com>
85         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
86         register stalls by zero extending to the full register.
88 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
90         * config/floatunsisf.c, config/floatunsidf.c,
91         config/floatunsixf.c, config/floatunsitf.c: New files.
92         * config/ia64/t-hpux: Add floatunsitf.c.
93         * config/ia64/ia64.c (ia64_init_libfuncs): Use
94         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
96 2005-11-26  Richard Henderson  <rth@redhat.com>
98         * c-lex.c (pragma_lex): Rename from c_lex.
99         * c-pch.c: Update for pragma_lex rename.
100         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
101         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
102         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
103         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
104         * doc/tm.texi: Likewise.
106 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
108         PR middle-end/23669
109         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
110         when overflow is undefined.
112 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
114         * doc/md.texi (Insn Canonicalizations): Refer to the
115         function commutative_operand_precedence for further rules.
117 2005-11-25  Roger Sayle  <roger@eyesopen.com>
119         PR middle-end/21309
120         * expmed.c (choose_mult_variant): Return immediately when mult_cost
121         is less than zero.  Limit mult_cost to a reasonable upper bound for
122         the synthetic multiplication sequence.
124 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
126         PR middle-end/25022
127         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
128         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
129         Lookup the explicit replacement functions for any unlocked
130         stdio builtin transformations.
132 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
134         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
135         earlyclobber.
136         * targhooks.c (default_secondary_reload): Don't require operand 2
137         for an input reload to be earlyclobber.
139 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
141         * fold-const.c (negate_mathfn_p): Fix comment and add support
142         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
143         BUILT_IN_ATANH.
145 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
147         PR middle-end/24998
148         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
149         _Q_ulltoq for unsigned conversions from SImode and DImode to
150         TFmode.
152 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
154         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
155         (__floatundidf, __floatundisf): Likewise.
157 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
159         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
160         (rs6000_override_options): Remove initialization of
161         rs6000_sr_alias_set.
162         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
163         (rs6000_emit_stack_tie): Same.
164         (emit_frame_save): Same.
165         (gen_frame_mem_offset): Same.
166         (rs6000_emit_prologue): Same.
167         (rs6000_emit_epilogue): Same.
169 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
171         PR middle-end/24989
172         * fold-const.c (fold_build): Convert bool_var != 1 and
173         bool_var == 0 to !bool_var.
175 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
177         PR middle-end/24990
178         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
179         for C being INTEGER_CST.  Likewise for !=.
181 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
183         PR middle-end/24998
184         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
185         unsigned conversions from SImode to TFmode.
187 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
189         * expr.c (expand_expr_real_1): Fix error in last change.
191 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
193         * caller-save.c: (this_insn_sets): Move into:
194         (save_call_clobbered_regs).
195         (mark_set_regs): Get this_insn_sets from data.
197         (save_call_clobbered_regs): Take sets of the return value by
198         sibcalls into account.
200 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
201         PR target/21623:
203         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
204         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
205         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
206         (memory_move_secondary_cost, init_reg_autoinc): Remove
207         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
208         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
209         secondary_reload_class call.
210         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
211         callers.
212         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
213         (push_secondary_reload): Use secondary_reload target hook.
214         (secondary_reload_class, scratch_reload_class): New functions.
215         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
216         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
217         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
218         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
219         (secondary_reload_class, scratch_reload_class): Declare.
220         * reload1.c: Include target.h.
221         (reload_adjust_reg_for_temp): New function.
222         (reload_adjust_reg_for_icode): Likewise.
223         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
224         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
225         call.
226         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
227         for inheritance.  Support case when both secondary & tertiary reloads
228         are for intermediate registers.
229         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
230         with secondary_reload_class call.  Support case when both secondary
231         & tertiary reloads are for intermediate registers.
232         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
233         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
234         * target.h (secondary_reload_info): New struct / typedef.
235         (struct gcc_target): New member secondary_reload.
236         * targhooks.c Include reload.h, optabs.h and recog.h.
237         (default_secondary_reload): New function.
238         * targhooks.h (default_secondary_reload): Declare.
239         * doc/tm.texi: Document secondary_reload target hook.  Update
240         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
241         * doc/md.texi: Likewise.
243         * sh-protos.h (sh_secondary_reload): Declare.
244         * sh.c (TARGET_SECONDARY_RELOAD): Override.
245         (sh_secondary_reload): New function.
246         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
247         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
248         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
249         (HAVE_SECONDARY_RELOADS): Define.
250         * sh.md (reload_indf): Rename to:
251         (reload_indf__frn).
252         (reload_outdf): Rename to:
253         (reload_outdf__RnFRm).
254         (reload_insf): Rename to:
255         (reload_insf__frn).
256         (reload_insi): Rename to:
257         (reload_insi__i_fpul).
259 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
261         * configure.ac: Require at least texinfo 4.4.
262         * configure: Regenerate.
264         * doc/install.texi (Tools/packages necessary for building GCC):
265         Update required version of texinfo to at least 4.4.
266         (Installing GCC: Building): Update required version of texinfo
267         to at least 4.4.
268         (Installing GCC: Final installation): Update required version
269         of texi2dvi to at least 4.4.
270         (Host/target specific installation notes for GCC): Update required
271         version of texinfo to at least 4.4.
273 2005-11-24  Richard Guenther  <rguenther@suse.de>
274         Dirk Mueller <dmueller@suse.de>
276         PR c++/14024
277         * c-common.h (strict_aliasing_warning): Declare.
278         * c-common.c (strict_aliasing_warning): New function,
279         split out from ...
280         * c-typeck.c (build_c_cast): ... here.
282 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
284         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
285         to order operands.
286         (swap_commutative_operands_with_target): New.
288 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
290         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
291         also when doing PRE, rather than only for global CPROP.
293 2005-11-24  Ben Elliston  <bje@au.ibm.com>
295         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
296         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
297         formatting.
298         (expand_twoval_unop): Likewise.
299         (widen_clz): Likewise.
300         (expand_parity): Likewise.
301         (expand_unop): Likewise.
302         (emit_cmp_and_jmp_insn_1): Likewise.
303         (prepare_float_lib_cmp): Likewise.
305 2005-11-24  Ben Elliston  <bje@au.ibm.com>
307         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
308         Remove unused `class' variable.
310 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
312         PR c++/21667
313         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
314         C/C++ diagnostic function warn_array_subscript_with_type_char.
315         * c-common.h (warn_array_subscript_with_type_char): Declare.
316         * c-common.c (warn_array_subscript_with_type_char): Define.
318 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
320         PR c/21668
321         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
322         compiling at the intersection of C and C++.
324 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
326         * doc/invoke.texi: For man pages, include gcc-vers.texi.
327         List @file in the option summary.  Include the libiberty
328         documentation for @file.
329         * gcc.c (main): Call expandargv.
330         * Makefile.in (gcc-vers.texi): Define srcdir.
332 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
334         * passes.c (init_optimization_passes): Document
335         sequencing of passes.
337 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
339         * config/m68k/predicates.md (pcrel_address, extend_operator,
340         post_inc_operand, pre_dec_operand): Remove redundant
341         conditionals.
342         (const_uint32_operand, const_sint32_operand): Use gcc_assert
343         instead of abort.
344         (valid_dbcc_comparison_p): Rewrite in the lisp style.
346 2005-11-23  Ben Elliston  <bje@au.ibm.com>
348         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
350 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
352         Preparatory work for PR target/21623:
353         * alpha.c (secondary_reload_class): Rename to:
354         (alpha_secondary_reload_class).
355         * alpha.h, alpha-protos.h: Likewise.
356         * mn10300.c (secondary_reload_class): Rename to:
357         (mn10300_secondary_reload_class).
358         * mn10300.h, mn10300-protos.h: Likewise.
359         * pa.c (secondary_reload_class): Rename to:
360         (pa_secondary_reload_class).
361         * pa.h, pa-protos.h: Likewise.
362         * rs6000.c (secondary_reload_class): Rename to:
363         rs6000_secondary_reload_class.
364         * rs6000.h, rs6000-protos.h: Likewise.
366 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
368         PR middle-end/22561
369         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
371 2005-11-22  Ian Lance Taylor  <ian@airs.com>
373         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
374         a mode_class.
375         (prepare_cmp_insn): Likewise.
377 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
379         PR target/23435
380         * m68k.md (zero_extendsidi2): Force operands[1] to a register
381         if both operands[0] and operands[1] are memory.
383 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
385         PR middle-end/23606
386         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
387         COMPARISON_CLASS_P and an integral types create create a new
388         expression with the new type and fold that.
390 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
392         PR target/24988
393         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
394         to SUBTARGET_OS_CPP_BUILTINS.
396 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
398         * arm.c (emit_set_insn): New function.
399         (arm_split_constant): Call it.
400         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
401         (arm_legitimize_address): Likewise.  Use plus_constant.
402         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
403         (thumb_expand_prologue): Likewise.
404         (arm_gen_load_multiple): Use VOIDmode in SET.
405         (arm_gen_store_multiple): Likewise.
406         (vfp_emit_fstmx): Likewise.  Use plus_constant.
407         (emit_multi_reg_push): Likewise.
408         (emit_sfm): Use plus_constant.
410 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
412         PR target/24954
413         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
414         typo last change.
416 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
418         PR middle-end/24950
419         * expmed.c (store_bit_field): Don't attempt to insv a field
420         larger than the reg.
422 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
424         PR target/24954
425         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
426         explicit sign extension, not a (char) cast.
428 2005-11-22  Ben Elliston  <bje@au.ibm.com>
430         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
431         GET_MODE_CLASS (x) == MODE_FLOAT.
432         * config/i386/i386.c: Likewise.
433         * config/rs6000/xcoff.h: Likewise.
434         * config/rs6000/linux64.h: Likewise.
435         * config/rs6000/rs6000.c: Likewise.
436         * config/rs6000/rs6000.h: Likewise.
437         * config/rs6000/predicates.md: Likewise.
438         * config/rs6000/sysv4.h: Likewise.
440 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
442         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
443         flag_pic is set.
445         * config/alpha/freebsd.h, config/alpha/linux.h,
446         config/arm/linux-elf.h, config/bfin/bfin.h,
447         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
448         config/i386/beos-elf.h, config/i386/gnu.h,
449         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
450         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
451         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
452         config/rs6000/linux64.h, config/rs6000/sysv4.h,
453         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
454         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
455         config/sparc/linux.h, config/sparc/linux64.h,
456         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
458         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
459         are both defined when either flag -fpic or -fPIC are used.
461 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
463         * config/fp-bit.c (clzusi): New function.
464         (si_to_float, usi_to_float): Use it to compute proper shift.
465         (usi_to_float): Preserve guard bits when shifting right.
466         * libgcc-std.ver (GCC_4.2.0): New version.
467         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
468         __floatundisf): New functions.
469         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
470         __floatundisf): Declare.
471         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
472         _floatundixf, and _floatunditf.
473         * optabs.c (expand_float): If target does not define a pattern for
474         signed or unsigned conversion, use an unsigned libcall instead of
475         a signed one.
476         (init_optabs): Initialize ufloat_optab.
478 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
480         * config/rs6000/rs6000.opt (mmulhw): New option.
481         * doc/invoke.texi (-mmulhw): Document.
482         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
483         for 405 and 440.
484         * config/rs6000/rs6000.md: Add half-word multiply and
485         multiply-accumulate instructions for 405 and 440.
487 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
489         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
490         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
491         default now includes a linker group which makes the RTEMS one nest.
493 2005-11-22  Ben Elliston  <bje@au.ibm.com>
495         * cse.c (fold_rtx): Typo fix.
496         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
498 2005-11-21  Richard Henderson  <rth@redhat.com>
500         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
501         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
503         * c-tree.h (lookup_name): Move declaration ...
504         * c-common.h (lookup_name): ... here.
505         * config/darwin-c.c: Include c-common.h.
506         * config/t-darwin: Update dependencies.
508 2005-11-22  Ben Elliston  <bje@au.ibm.com>
510         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
511         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
512         * genopinit.c (gen_insn): Likewise.
513         * reload.c (find_equiv_reg): Likewise.
514         * loop.c (load_mems): Likewise.
515         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
516         * cse.c (find_comparison_args, fold_rtx): Likewise.
517         * dwarf2out.c (add_const_value_attribute): Likewise.
518         * expr.c (convert_move): Likewise.
519         * recog.c (general_operand, register_operand): Likewise.
520         * reg-stack.c (replace_reg): Likewise.
521         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
522         * c-common.c (handle_vector_size_attribute): Likewise.
523         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
524         (simplify_binary_operation_1): Likewise.
525         (simplify_const_binary_operation): Likewise.
526         (simplify_relational_operation): Likewise.
527         (simplify_const_relational_operation): Likewise.
528         (simplify_immed_subreg): Likewise.
529         * emit-rtl.c (gen_lowpart_common): Likewise.
530         * expmed.c (expand_mult): Likewise.
531         * stor-layout.c (layout_type): Likewise.
533 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
535         PR target/24951
536         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
537         cst2 only for SPE vectors.
539 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
541         PR target/24953
542         * config/rs6000/predicates.md (vrsave_operation): Check
543         UNSPEC_VOLATILE value.
545 2005-11-21  Jan Hubicka  <jh@suse.cz>
547         PR tree-optimization/24653
548         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
550 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
552         * config/i386/predicates.md (ax_reg_operand): New predicate.
553         (memory_displacement_only_operand): New predicate.
554         * config/i386/i386.md ("modrm" attribute): Return 0 if one
555         operand is AX register and the other operand is memory operand
556         with displacement only.
558 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
560         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
561         if we don't care about NaNs or Infinities.
563 2005-11-20  Ian Lance Taylor  <ian@airs.com>
565         PR rtl-optimization/24883
566         * combine.c (combinable_i3pat): When checking whether the
567         destination of i3 is used in i3, consider paradoxical subregs.
569 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
571         PR middle-end/20583
572         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
574 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
576         * combine.c (try_combine): Do not run subst on i1src and i2src in
577         the case of generating a PARALLEL for a comparison.
579 2005-11-20  Richard Henderson  <rth@redhat.com>
581         PR 24931
582         * tree-sra.c (struct sra_elt): Add all_no_warning.
583         (struct sra_walk_fns) <use>: Add use_all argument.
584         (sra_walk_expr): Pass it.
585         (sra_walk_modify_expr): Likewise.
586         (scalarize_ldst): Likewise.
587         (scan_use): Update for new argument.
588         (mark_no_warning): New.
589         (scalarize_use): Use it.
591 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
593         * expr.c (expand_expr_real): Use usmul_optab for widening
594         signed * unsigned multiplies.
595         * genopinit.c (optabs): Add usmul_widen_optab.
596         * optabs.c (init_optabs): Likewise.
597         * optabs.h (enum optab_index): Add OTI_usmul_widen.
598         (usmul_widen_optab): Define.
599         * config/bfin/bfin.md (usmulhisi3): New pattern.
601         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
603 2005-11-20  Graham Stott <btinternet.com>
605         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
607 2005-11-20  Andreas Schwab  <schwab@suse.de>
609         PR target/24757
610         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
611         insn.
613 2005-11-19  Richard Henderson  <rth@redhat.com>
615         PR tree-opt/24665
616         * tree-gimple.c (is_gimple_id): Export.
617         * tree-gimple.h (is_gimple_id): Declare.
618         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
619         (get_default_value): Use it.
620         (maybe_fold_stmt_indirect): Likewise.
622 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
624         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
625         than VR1 or vice-versa.
627 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
629         PR middle-end/24912
630         PR middle-end/24750
631         * reload.c (find_reloads_address_1): Mention dependency on
632         gen_reload.
633         * reload1.c (gen_reload): For IN with an unary operation, try
634         moving inner expression to OUT if trivial SET is not valid.
635         Confirm that the result is valid.  Move common code block into...
636         (emit_insn_if_valid_for_reload): New function.
638 2005-11-19  Richard Guenther  <rguenther@suse.de>
640         * fold-const.c (fold_indirect_ref_1): Make sure we fold
641         ARRAY_REFs of constant strings.
643 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
645         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
646         fatal format string.
648 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
650         * combine.c (make_compound_operation): Swap operands of
651         commutative operation if necessary before returning.
653 2005-11-19  Richard Guenther  <rguenther@suse.de>
655         PR middle-end/23294
656         * fold-const.c (fold_plusminus_mult_expr): New function.
657         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
658         cases, remove now unnecessary code.
660 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
662         * gensupport.c (old_preds): Rename to std_preds, add special field.
663         (struct old_pred_table): Rename to struct std_pred_table, add special
664         field.
665         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
666         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
667         (init_predicate_table): Adjust, and set along the way whether a
668         predicate is special.
670 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
672         * BASE-VER: Change to 4.2.0.
674 2005-11-18  James E Wilson  <wilson@specifix.com>
676         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
677         returning it.
679 2005-11-18  Mike Stump  <mrs@apple.com>
681         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
682         * config/darwin-c.c (darwin_pragma_unused): Likewise.
683         * c-decl.c (lookup_name_two) Remove.
684         * c-tree.h (lookup_name_two): Remove.
685         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
686         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
687         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
688         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
690 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
692         PR target/24914
693         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
694         when not generating code to use that co-processor.
696 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
698         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
699         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
700         these functions are now in tree-phinodes.c.
702 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
704         * config/bfin/bfin.md (trap): New pattern.
706 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
708         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
709         on types.
711         * expr.c (expand_expr_real): Don't call record_block_change unless
712         ib_boundaries_block is non-null
714         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
716         * fold-const.c (build_range_check): Use proper type for subtraction
717         when merging lower bound.
719 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
721         PR rtl-optimization/24497
722         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
723         the copied insn.
725 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
727         * tree-scalar-evolution.c (expression_expensive_p): New function.
728         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
730 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
732         * config/bfin/crtlibid.s: New file.
734 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
736         PR target/24348
737         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
738         when not using sjlj exceptions.
739         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
740         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
741         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
742         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
743         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
744         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
745         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
746         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
747         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
748         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
749         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
750         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
751         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
752         defines.
753         * config/pa/hpux-unwind.h: New file.
755 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
757         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
758         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
759         * varasm.c (do_assemble_alias): Adjust call.
760         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
761         is defined.
762         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
764 2005-11-17  James E Wilson  <wilson@specifix.com>
766         * tree.def (FUNCTION_DECL): Correct typo in comment.
768 2005-11-17  Richard Henderson  <rth@redhat.com>
770         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
771         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
772         and DW_CFA_def_cfa_sf.
773         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
774         (dbx_reg_number): Don't assert particular registers here.
775         (based_loc_descr): ... do it here instead.  Fold in ...
776         (eliminate_reg_to_offset): ... this function.
777         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
778         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
779         * unwind-dw2.c (execute_cfa_program): Apply data align factor
780         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
781         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
782         (instantiate_virtual_regs): Likewise.
783         * var-tracking.c (adjust_stack_reference): Likewise.
784         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
786 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
788         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
789         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
790         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
791         crtlibid.o.
792         ($(T)crtlibid.o): New rule.
794 2005-11-16  Richard Guenther  <rguenther@suse.de>
796         PR middle-end/24851
797         * fold-const.c (extract_array_ref): Return byte offset
798         in all cases.
799         (fold_binary): Fold &x[a] CMP &x[b] to
800         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
801         behavior.
803 2005-11-16  Richard Henderson  <rth@redhat.com>
805         PR middle-end/23497
806         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
807         parts of an SSA_NAME.
809 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
811         PR target/24861
812         * arm.md (split for movsf with immediate): Restrict split to insns
813         that set a general register.
815 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
817         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
818         uw_update_context.
819         * unwind-dw2.c (uw_advance_context): Likewise.
820         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
821         _Unwind_SjLj_Unregister.
822         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
824 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
826         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
828 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
830         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
831         langhook to get a DImode integer type.
833 2005-11-16  Richard Henderson  <rth@redhat.com>
834             J"orn Rennecke <joern.rennecke@st.com>
835             Ulrich Weigand  <uweigand@de.ibm.com>
837         PR rtl-opt/24160
838         PR target/24621
839         * reload1.c (reg_equiv_invariant): New.
840         (reload): Allocate, initialize, and free it.
841         (calculate_needs_all_insns): Check it when skipping equivalence
842         setting insns.
843         (alter_reg): Likewise.
844         (eliminate_regs_1): Rename from eliminate_regs.  Add new
845         may_use_invariant argument; only use reg_equiv_invariant when true.
846         (eliminate_regs): New.
847         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
848         a context for which may_use_invariant may be true.
850 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
852         * fold-const.c (const_binop): Don't constant fold the operation
853         if the result has overflowed and flag_trapping_math.
854         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
856 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
858         * config/arm/unwind-arm.c (abort): Add prototype here.
859         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
860         (struct phase1_vrs): Add prev_sp.
861         (unwind_phase2_forced): Save the original core registers instead of
862         modifying entry_vrs.  Take a new flag argument for resuming unwinding
863         and set action flags accordingly.  Always set _US_END_OF_STACK when
864         get_eit_entry fails.  Unwind before calling the stop function.
865         (_Unwind_GetCFA): New function.
866         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
867         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
868         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
869         just call unwind_phase2_forced.
870         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
871         * config/arm/unwind-arm.h (abort): Remove prototype.
872         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
873         prototypes.
874         (_Unwind_GetCFA): New prototype.
875         * config/arm/pr-support.c (abort): Add prototype here.
876         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
877         forced unwinding.
878         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
879         not schedule the prologue with non-call exceptions and EABI.
881 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
883         * config/arm/unwind-arm.h: Reorder interface function declarations.
884         (_URC_END_OF_STACK): New enumeration value.
885         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
886         (struct _Unwind_Control_Block): Document reserved field use.
887         (_Unwind_Stop_Fn): New typedef.
888         (_Unwind_ForcedUnwind): Declare.
889         (_Unwind_Resume_or_Rethrow): Declare.
890         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
891         argument.  Adjust.
892         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
893         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
894         (UCB_FORCED_STOP_ARG): New.
895         (search_EIT_table): Update boundary condition checks.
896         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
897         (unwind_phase2): Replace for with do..while.
898         (unwind_phase2_forced): New.
899         (__gnu_Unwind_RaiseException): Replace for with do..while.
900         (__gnu_Unwind_ForcedUnwind): New.
901         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
902         Use appropriate phase2 unwinder.
903         (__gnu_Unwind_Resume_or_Rethrow): New.
904         (__gnu_unwind_pr_common): Cope with forced unwinding.
906 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
908         PR target/24772
909         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
911         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
912         roundsf2): Remove "s" from mnemonic.
914 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
916         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
917         __PIC__ is defined.
918         * config/bfin/crtn.s: Change epilogues to match.
919         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
920         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
921         __PIC__ and __pic__.
923 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
925         PR 24357
926         * doc/invoke.texi: Distinguish between free and fixed form instead of
927         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
928         languages.
929         * gcc.c (default_compilers): Remove double entries, add entries for
930         suffixes '.F90' and '.F95'.
932 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
934         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
935         in the stack probing loop.
937 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
939         * configure.ac: Use .machine power5 not power5x.
940         * configure: Regenerate.
942 2005-11-15  Mike Stump  <mrs@apple.com>
944         * c-decl.c (lookup_name_two): Add.
945         * c-tree.h (lookup_name_two): Likewise.
946         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
947         * config/darwin-c.c (darwin_pragma_unused): Likewise.
949 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
951         PR rtl-optimization/23392
952         * regrename.c (enum scan_actions) Add mark_access.
953         (scan_actions_name): Ditto.
954         (scan_rtx_reg): Handle mark_access.
955         (scan_rtx_address): Do nothing for mark_access.
956         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
957         and regs in REG_INC notes before closing chains for dead regs.
958         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
959         opening chains for new writes.
961 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
963         * c.opt (ffixed-line-length-none): New.
965 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
967         * mklibgcc.in: Change contents of eh_dummy.c.
969 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
971         * loop.c (scan_loop): Do not insert temporaries for hard registers.
973 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
975         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
976         of making syscalls.
977         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
979 2005-11-15  Jan Hubicka  <jh@suse.cz>
981         * invoke.texi (large-unit-insns): Document.
982         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
983         * params.def (large-unit-insns): New param.
985 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
987         PR target/24869
988         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
989         special register for operand 3.  Reindent constraints to align
990         them vertically.
992 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
994         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
995         -mpopcntb, -mfprnd. Add -mcpu=power5+.
996         * configure.ac: Add test for FP rounding instructions.
997         * configure: Regenerate.
998         * config.in: Regenerate.
999         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1000         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1001         features enabled.
1002         * config/rs6000/rs6000.opt (mfprnd): New.
1003         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1004         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1005         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1006         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1007         (TARGET_FPRND): New.
1008         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1009         UNSPEC_FRIZ): New.
1010         (btrunc<mode>2): New.
1011         (ceil<mode>2): New.
1012         (floor<mode>2): New.
1013         (round<mode>2): New.
1015 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
1017         * gcc.c (version_compare_spec_function): Use fatal() rather than
1018         abort().
1020         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1021         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1022         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1023         as empty.
1024         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1025         link in crt2.o.
1027         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1028         on -mmacosx-version-min setting.
1030 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
1032         PR 24840
1033         * tree-vrp.c (infer_value_range): Return false if STMT is a
1034         block terminator and its basic block has no successors.
1036 2005-11-14  Mike Stump  <mrs@apple.com>
1038         * config/i386/i386.c (override_options): -masm=intel isn't
1039         supported on darwin.
1040         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1042 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
1044         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1045         vfork after including auto-host.h.
1047 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
1049         PR rtl-optimization/22002
1050         * combine.c (distribute_notes): Detect cases where a reg dies
1051         two or more times in a bb, including on the insn we are combining,
1052         and place the death note on the correct range.
1054 2005-11-14  Dale Johannesen  <dalej@apple.com>
1056         * expmed.c (store_bit_field):  Add offset unconditionally for
1057         memory targets.
1058         (extract_bit_field):  Don't force extzv or extv operand into
1059         a register if field is too big.
1061 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
1063         * config/arm/arm.c (pic_labelno): New.
1064         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1065         LABEL_REF.  Pass only the labelno to PIC insns.
1066         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1067         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1068         * arm.md (UNSPEC_PIC_LABEL): New constant.
1069         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1070         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1071         Use the correct label prefix.
1073 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
1075         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1076         REQ_EQUIV note.
1078 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
1080         * loop-invariant.c: Include tm_p.h.
1081         * Makefile.in: Updated.
1083 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1085         * pa.c (store_reg): Revise generation of frame notes in large frames.
1086         (set_reg_plus_d): Likewise.
1088 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
1090         PR tree-optimization/24709
1091         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1092         loop check.
1094 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1096         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1097         and duplicate declaration of pthread_self.
1099 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
1100             Ian Lance Taylor  <ian@airs.com>
1102         PR middle-end/24003
1103         * calls.c (expand_call): If TARGET is a MEM and some part of the
1104         argument area has been saved, force TARGET to a register.
1106 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
1108         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1109         checking.
1111 2005-11-13  Jason Merrill  <jason@redhat.com>
1113         PR c++/22489
1114         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1115         lazily declared methods.
1116         (force_decl_die): Stop if forcing out the context already make a
1117         DIE for the decl.
1118         (force_type_die): Likewise.
1120 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
1122         PR middle-end/24820
1123         * builtins.c (integer_valued_real_p): Add break in
1124         REAL_CST having TREE_OVERFLOW set.
1126 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
1128         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1129         addressing modes during calculation of costs.
1131 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
1133         * function.c (assign_stack_local_1): Restrict sanity check
1134         on frame size overflow to 32-bit and above platforms.
1136 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1138         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1139         * config/cris/cris.c: Include reload.h.
1140         (cris_initial_elimination_offset): New function.
1141         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1142         Prototype.
1144 2005-11-12  Richard Guenther  <rguenther@suse.de>
1146         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1148 2005-11-12  Jan Hubicka  <jh@suse.cz>
1150         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1151         to compare against 0 when possible.
1153 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
1155         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1156         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1157         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1158         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1159         in the new order.
1161 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1163         * recog.c (constrain_operands) <case 'g'>: For a match, require
1164         that a non-register matches general_operand when strict >= 0.
1166 2005-11-11  Steven Bosscher  <stevenb@suse.de>
1168         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1169         previous checkin.
1171 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1173         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1174         (memory_address_same): New.
1175         (dse_optimize_stmt): Call memory_address_same.
1177 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1179         PR middle-end/24750
1180         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1181         ZERO_EXTEND>: New cases.
1183 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1185         * longlong.h (__clz_tab): Always provide.
1187 2005-11-11  Steven Bosscher  <stevenb@suse.de>
1189         PR 24265
1190         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1191         can be assigned to.
1192         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1193         before check_maybe_invariant.
1194         (move_invariant_reg): Use gen_move_insn instead of replacing
1195         SET_DEST with the temporary for the invariant.
1196         (move_loop_invariants): If checking is enabled, do internal
1197         consistency checks after completing the pass.
1199 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
1201         PR 24644
1202         * common.opt (Wvolatile-register-var): New.
1203         * varasm.c (make_decl_rtl): Only emit warning when option
1204         specified.  Clarify warning message.
1205         * doc/invoke.texi (Wvolatile-register-var): Document new option.
1207         * doc/md.texi (copysign): Document standard named pattern.
1209 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
1211         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1212         bytes when align is 2.
1213         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1214         by the first instruction of the loop.
1216 2005-11-11  Jason Merrill  <jason@redhat.com>
1218         PR c++/24686
1219         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1220         the cleanup list.
1222 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
1224         PR rtl-optimization/22509
1225         * local-alloc.c (memref_used_between_p): Check whether a function call
1226         could not reference the memref.
1228 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
1230         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1231         algorithm so as to choose the best, not the worst, alternative.
1232         Reset accumulated register class before processing next alternative.
1234 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1236         PR target/24445
1237         * calls.c (expand_call): Copy a return value to a plain register
1238         if needed.
1240 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
1242         PR target/24778
1243         * varasm.c (assemble_name): Recompute name only for transparent
1244         aliases.
1246 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
1248         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1250 2005-11-04  Jeff Law  <law@redhat.com>
1252         PR middle-end/23181
1253         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1254         perform reassociation if the parent statement will not die as
1255         a result of the optimization.
1257 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
1259         * tree-ssa-alias.c (compute_may_aliases): Remove call to
1260         delete_old_heap_vars.
1261         * tree-dfa.c (referenced_var_remove): Remove function.
1262         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1263         (delete_tree_ssa): Remove call to delete_old_heapvars.
1264         Add call to delete_alias_heapvars.
1265         * tree-flow.h (referenced_var_remove): Remove prototype
1266         (init_alias_heapvars): New prototype.
1267         (delete_alias_heapvars): Ditto.
1268         * Makefile.in (tree-ssa-structalias.o): Add
1269         gt-tree-ssa-structalias.o
1270         (GTFILES): Add tree-ssa-structalias.h and
1271         tree-ssa-structalias.c.
1272         (s-gtype): Add gt-tree-ssa-structalias.h.
1273         * tree-ssa-structalias.c (heapvars): Remove.
1274         (oldheapvars): Remove.
1275         (heapvar_for_stmt): New variable.
1276         (heapvar_lookup): New function.
1277         (heapvar_insert): Ditto.
1278         (get_constraint_for): See if we have an old heapvar
1279         to reuse.
1280         (init_alias_heapvars): New function.
1281         (delete_alias_heapvars): Ditto.
1282         Add include of gt-tree-ssa-structalias.h.
1284 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1286         PR middle-end/22127
1287         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1289 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
1291         * tree.c (int_fits_type_p): Only look at the base type
1292         if it has the same precision as the original type.
1294 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
1296         PR other/4372
1297         * varasm.c (assemble_alias): Use %q+D in the error
1298         message instead of %J and %qD.
1300 2005-11-10  Richard Guenther  <rguenther@suse.de>
1302         * gcse.c (free_ldst_entry): Only free hashtable if
1303         it exists.
1305 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1307         * function.c (assign_stack_local_1): Issue an error message if
1308         the frame size overflows in the signed target arithmetics.
1310 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1312         * tree.c (build_qualified_type): Chain the new type to the original
1313         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1314         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1315         (build_pointer_type_for_mode): Only return unqualified types.
1316         (build_reference_type_for_mode): Likewise.
1318 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
1320         * Makefile.in (gnucompare): Do comparison of all files using one of
1321         the chosen methods and only afterwards decide if just warning should
1322         be issued or comparison failure raised.
1324 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1326         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1327         (noce_try_abs): Negate if the comparison is reversed.
1328         Look only one instruction backwards for a REG_EQUAL note.
1330 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
1332         PR other/4372
1333         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1334         gthr-tpf.h: Define __gthrw.  For all identifiers that might
1335         be weak, introduce weakrefs or non-weak aliases with __gthrw,
1336         and prefix all uses with __ghtrw.
1338 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
1340         PR other/4372
1341         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1342         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
1343         * c-common.c (handle_weakref_attribute): New.
1344         (c_common_attribute_table): Add weakref.
1345         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1346         in the assembler.
1347         * configure, config.in: Rebuilt.
1348         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1349         * doc/extend.texi: Document weakref attribute.
1350         * varasm.c (ultimate_transparent_alias_target): New
1351         (assemble_name): Use it.
1352         (weak_finish_1): Split out of...
1353         (weak_finish): ... and deal with weakrefs in...
1354         (weakref_targets): ... new list.
1355         (globalize_decl): Clean up weakref_targets.
1356         (do_assemble_alias): Handle weakrefs.
1357         (finish_aliases_1): Do not reject weakrefs to external symbols.
1358         (assemble_alias): Handle weakrefs.
1360 2005-11-09  Richard Guenther  <rguenther@suse.de>
1362         PR tree-optimization/24716
1363         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1364         t_bool to track results from follow_ssa_edge.
1366 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1368         * final.c (force_source_line): New global variable.
1369         (final_scan_insn): Set it to true instead of clearing last_filename.
1370         (notice_source_line): Return true if force_source_line is true,
1371         unless source info is absent.
1373 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
1375         PR c/24644
1376         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1377         a linkage name for a variable if it a register variable.
1378         * c-decl.c (grokdeclarator): Global register variables
1379         should be set as PUBLIC.
1381 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1383         PR 24624
1384         * config/s390/s390.c (struct s390_frame_layout): New fields
1385         first_save_gpr_slot and last_save_gpr_slot.
1386         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1387         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1388         first_save_gpr and last_save_gpr with the _slot variants.
1389         (s390_register_info): Calculate first_save_gpr_slot and
1390         last_save_gpr_slot using regs_ever_live.
1392 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1394         PR 24623
1395         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1396         for a function containing a landing pad.
1398 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1400         PR 24034
1401         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1402         is live afterwards.
1404 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
1406         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1407         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1409 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
1411         Add ms2 support
1412         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1413         constants.
1414         (call,load,store): New insn types.
1415         (mem_access, branch_access): Adjust reservation conditions.
1416         (define_delay): Adjust condition.
1417         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
1418         type.
1419         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1420         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1421         insn type.
1422         (call_internal, call_value_internal, return_internal,
1423         return_interrupt_internal, eh_return_internal, indirect_jump,
1424         tablejump): Set call insn type.
1425         (blockage, ei, di): Use appropriate unspec const.
1426         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1427         (ms1_get_attr_type): Adjust to give load & store types.
1428         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
1429         backwards past a barrier.
1430         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
1431         branch scheduling.
1432         (struct branch_info, struct label_info): New.
1433         (ms1_labels): New.
1434         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1435         (ms1_machine_reorg): New.
1436         (TARGET_MACHINE_DEPENDENT_REORG): Override.
1437         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1438         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1439         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1440         (TARGET_MS2): New.
1442 2005-11-09  Per Bothner  <per@bothner.com>
1443             Uros Bizjak  <uros@kss-loka.si>
1445         PR c/24101
1446         * toplev.c (process_options): Initialize debug_hooks early
1447         in case lang_hooks.post_options ends up calling a debug_hook.
1449 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
1451         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1452         DBX_REGISTER_NUMBER being contiguous.
1454 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
1455             Diego Novillo  <dnovillo@redhat.com>
1457         PR 23046
1458         * tree-vrp.c (register_edge_assert_for): Do not register
1459         always-false predicates.
1461 2005-11-08  Devang Patel <dpatel@apple.com>
1463         PR tree-optimization/23115
1464         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1465         relation.
1467 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
1469         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1470         -mcpu=440.
1472 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
1474         Fix PR tree-optimization/23382
1476         * tree-ssa-alias.c (compute_may_aliases): Call
1477         delete_old_heap_vars.
1478         * tree-dfa.c (referenced_var_remove): New function.
1479         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1480         * tree-flow.h (referenced_var_remove): Add prototype.
1481         (delete_old_heap_vars): Ditto.
1482         * tree-ssa-structalias.c (heapvars): New variable.
1483         (oldheapvars): Ditto.
1484         (get_constraint_for): Put heap vars on heapvars list.
1485         (delete_old_heap_vars): New function.
1487 2005-11-08  Jason Merrill  <jason@redhat.com>
1489         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1491 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
1493         PR target/19340
1494         * reg-stack.c (reg_to_stack): Update register liveness also
1495         for flag_sched2_use_traces.
1497 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
1499         PR target/23704
1500         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1501         override prior explicit -mno-powerpc-gfxopt.
1503 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
1505         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1506         if the bitsize is zero.
1507         * doc/md.texi (Standard Pattern Names): Document it.
1509         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1510         (TARGET_PASS_BY_REFERENCE): Likewise.
1512 2005-11-07  Ian Lance Taylor  <ian@airs.com>
1514         PR rtl-optimization/24683
1515         * config/i386/i386.c (legitimize_pic_address): If constant operand
1516         to PLUS is too large, put it in a register.
1518 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
1520         * configure.ac: Enable checking assembler dwarf2 support for bfin
1521         target.
1522         * configure: Regenerate.
1524 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
1526         PR target/24230
1528         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1529         gen_easy_vector_constant_add_self): Delete.
1530         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1531         New.
1532         (output_vec_const_move): Use gen_easy_altivec_constant.
1533         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1534         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1535         (easy_vector_constant_add_self): Rewritten.
1536         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1537         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1538         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1539         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1540         Macroize and adjust for the other changes.
1542 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
1544         PR c/24599
1546         * c-typeck.c (build_c_cast): Try using a shared constant, and see
1547         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1549 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
1551         PR rtl-optimization/23567
1552         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1553         (noce_process_if_block): Don't do any optimizations except
1554         if (cond) x = x; if !set_b and write into orig_x may trap
1555         or fault.  Remove the MEM_READONLY_P check.
1557 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
1559         PR 24670
1560         * tree-vrp.c (fix_equivalence_set): New.
1561         (extract_range_from_assert): Call it.
1563 2005-11-05  Ian Lance Taylor  <ian@airs.com>
1565         PR target/22432
1566         * combine.c (apply_distributive_law): Don't distribute across a
1567         vector mode subreg.
1569 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
1571         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1572         config/ms1/ms1.h, config/rs6000/predicates.md,
1573         config/s390/s390.c, params.def, postreload-gcse.c,
1574         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1575         tree-vrp.c, tree.c: Fix comment typos.
1576         * doc/invoke.texi: Fix typos.
1578 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
1580         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1581         for testing whether the data_dependence_relation contains distance
1582         vectors.  Iterate over all distance vectors of the ddr.
1583         * lambda.h: Define a vec of lambda_vector pointers.
1584         * tree-data-ref.c (dump_data_dependence_relation,
1585         dump_data_dependence_direction): Iterate over all distance and
1586         direction vectors of the ddr.
1587         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1588         DDR_DIST_VECTS.
1589         (build_classic_dist_vector, build_classic_dir_vector): Push a set
1590         of distance/direction vectors instead of a single one.
1591         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1592         lambda_vectors with a vec of lambda_vectors.
1593         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1594         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1595         DDR_NUM_DIST_VECTS): New.
1596         * tree-loop-linear.c (gather_interchange_stats): Test for the
1597         existence of distance vectors only after having checked that there
1598         is a dependence.  Iterate over all distance vectors of the ddr.
1599         (linear_transform_loops): Use dump_data_dependence_relation.
1600         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1601         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
1602         distance vectors of the ddr.
1604 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1606         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1607         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1608         IS_INTHANDLER; all callers changed.
1609         (n_regs_saved_by_prologue): Take interrupt handler attributes into
1610         account.
1611         (do_link, do_unlink): New argument ALL; all callers changed.
1612         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1613         If function isn't leaf, save and restore all registers.
1614         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1615         exception handler.
1617 2005-11-05  Jan Hubicka  <jh@suse.cz>
1619         PR rtl-optimization/23490
1620         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1621         max-flow-memory-location): Document.
1622         * flow.c: Include params.h
1623         (MAX_MEM_SET_LIST_LEN): Kill.
1624         (add_to_mem_set_list): Use new param.
1625         * cse.c (cse_basic_block): Replace 1000 by new param.
1626         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1627         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1628         * predict.c (predict_loops): Use new param.
1629         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1631         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1632         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1633         Do not hold memory returned by cgraph_node_name across other call.
1635 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
1637         PR target/23424
1638         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1639         Disable.
1641 2005-11-04  Jeff Law  <law@redhat.com>
1643         PR/21883
1644         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1645         * tree-ssa-dom.c: Include params.h.
1646         (thread_across_edge): If there are too many statements in the
1647         target block, then do not thread through it.
1648         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1649         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1651 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
1653         PR 24627
1654         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1655         TODO_update_ssa instead of TODO_update_ssa_no_phi.
1657 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
1659         PR/18595
1660         * tree-scalar-evolution.c (instantiate_parameters_1,
1661         instantiate_parameters, resolve_mixers): Compute the size of an
1662         expression to be instantiated and give up the instantiation if the
1663         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1665 2005-11-04  Richard Guenther  <rguenther@suse.de>
1667         * tree-flow.h (ref_contains_indirect_ref): Rename to
1668         array_ref_contains_indirect_ref.
1669         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1670         (array_ref_contains_indirect_ref): Make comment match the code
1671         and vice-versa.
1672         (ref_contains_array_ref): Likewise.
1673         * tree-ssa-structalias.c (find_func_aliases): Remove call to
1674         ref_contains_indirect_ref.
1675         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1676         Rename calls to ref_contains_indirect_ref.
1678 2005-11-04 Paul Brook  <paul@codesourcery.com>
1680         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1681         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1682         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1683         * config/arm/arm.md: Use match_operand in peephole input templates
1684         and match_dup in peephole output templates.
1686 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1688         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1689         __aeabi_uidiv.
1691 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
1692             Daniel Jacobowitz  <dan@codesourcery.com>
1694         * longlong.h (add_ssaaaa): Clobber condition code register
1695         in ARM version.
1696         (sub_ddmmss): Likewise.
1697         (umul_ppmm): Likewise.
1699 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1700             Paul Brook  <paul@codesourcery.com>
1701             Phil Blundell  <pb@reciva.com>
1703         * configure.ac: Add test for ARM TLS support.
1704         * configure: Regenerated.
1705         * config/arm/arm-protos.h (legitimize_tls_address)
1706         (arm_tls_referenced_p, tls_mentioned_p)
1707         (arm_output_addr_const_extra): New prototypes.
1708         (thumb_legitimize_pic_address): Delete.
1709         * config/arm/arm.c: Include "gt-arm.h".
1710         (enum tls_reloc): New.
1711         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1712         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1713         (arm_call_tls_get_addr, legitimize_tls_address)
1714         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1715         (arm_init_tls_builtins, arm_emit_tls_decoration)
1716         (arm_output_addr_const_extra): New functions.
1717         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1718         (TARGET_HAVE_TLS): Define.
1719         (target_thread_pointer): New.
1720         (arm_override_options): Handle -mtp=.
1721         (legitimize_pic_address): Ignore UNSPECs.
1722         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1723         relative symbols.
1724         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1725         (tls_get_addr_libfunc): New variable.
1726         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1727         (arm_init_builtins): Call arm_init_tls_builtins.
1728         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1729         (arm_encode_section_info): Call default_encode_section_info.
1730         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1731         (enum arm_tp_type): New.
1732         (target_thread_pointer): Add declaration.
1733         (LEGITIMATE_CONSTANT_P): Handle TLS.
1734         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1735         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1736         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1737         * config/arm/arm.md: Add UNSPEC_TLS.
1738         (movsi): Handle TLS.
1739         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1740         non-PIC.
1741         (tls_load_dot_plus_eight): New insn and a peephole to create it.
1742         (load_tp_hard, load_tp_soft): New insns.
1743         * arm.opt: Add -mtp=.
1744         * doc/invoke.texi (ARM Options): Document -mtp.
1746 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1748         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1749         * config/arm/libunwind.S: Include "lib1funcs.asm".
1750         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1751         (LIB2ADDEH): Add libunwind.S.
1752         (LIB2ADDEHDEP): Add lib1funcs.asm.
1753         * mklibgcc.in: Handle asm files in libgcc_eh.a.
1755 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1757         PR fortran/18452
1758         * gcc/c.opt: Add a -lang-fortran option.
1759         * gcc/c-opts.c: Add a lang_fortran flag.
1760         (c_common_init_options): Handling the -lang-fortran option.
1761         (c_common_handle_option): Add a case for Fortran options in
1762         preprocessing. Remove cases for -ffixed-form and
1763         -ffixed-line-length. Add a case for -lang-fortran.
1765 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
1767         * config/rs6000/rs6000.c: Include params.h
1768         (optimization_options): Set max-grow-copy-bb-insns default to 16.
1769         (bdesc_2arg): Delete vpkuhss and vpkuwss.
1770         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1771         (UNSPEC_VPKUWSS): Delete.
1772         (altivec_vpkuhss): Delete.
1773         (altivec_vpkuwss): Delete.
1774         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1775         final condition.
1776         (neg_eq0<mode>): Remove final condition.
1777         (neg_eq<mode>): Remove condition and split-condition.
1779 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
1781         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1782         Use associated print macros.
1784 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
1786         PR c++/17964
1787         * diagnostic.c (diagnostic_set_info_translated): New function.
1788         (diagnostic_set_info): Use it.  Add comment.
1789         * diagnostic.h (diagnostic_set_info_translated): Declare.
1791 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
1793         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1794         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1795         reference only if 'public' is true.
1796         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1797         emit the .hidden directive only if the indirect reference is public.
1798         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1799         Pass it to dw2_force_const_mem.
1800         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1801         * dwarf2out.c (output_cfi): Adjust calls to above function.
1802         (output_call_frame_info): Likewise.
1803         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1804         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1806 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
1808         PR tree-optimization/24483
1809         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1810         field to elts if possible.
1812 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
1814         PR middle-end/23155
1815         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1816         CONSTRUCTOR.
1818 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
1820         Fix PR tree-optimization/24351
1822         * tree-ssa-structalias.c (struct variable_info): Add
1823         collapsed_into.
1824         (get_varinfo_fc): New function to follow collapsing.
1825         (new_var_info): Set collapsed_to to NULL.
1826         (dump_constraint): Follow collapsing.
1827         (build_constraint_graph): Handle collapsing.
1828         (do_simple_structure_copy): Return false if something bad
1829         happened.
1830         (collapse_rest_of_var): New function.
1831         (do_structure_copy): Collapse if do_simple_structure_copy returns
1832         false.
1834 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
1836         PR middle-end/24589
1837         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1838         expressions to a statement list instead of gimplifying them.
1840 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1842         PR rtl-optimization/23585
1843         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1844         that can't trap plus a constant integer, if the mode has zero size.
1846 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
1848         PR target/24620
1849         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1850         as operand 2.
1851         ("*insv<mode>_reg_extimm"): Likewise.
1853 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
1855         PR c/24329
1856         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1857         c_common_type_for_mode returns an unnamed type.
1859 2005-11-02  Richard Henderson  <rth@redhat.com>
1861         PR target/9350
1862         PR target/24374
1863         * dwarf2out.c (dwarf2out_reg_save_reg): New.
1864         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1865         * function.c (assign_parms): Use calls.internal_arg_pointer.
1866         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1867         code.
1868         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1869         (TARGET_CALLS): Add it.
1870         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1871         * targhooks.c (default_internal_arg_pointer): New.
1872         * targhooks.h (default_internal_arg_pointer): Declare.
1873         * tree.h (dwarf2out_reg_save_reg): Declare.
1874         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1875         * config/i386/i386.c (dbx_register_map): Add return column.
1876         (dbx64_register_map, svr4_dbx_register_map): Likewise.
1877         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1878         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1879         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1880         (ix86_save_reg): Save force_align_arg_pointer.
1881         (ix86_emit_save_regs): Make regno unsigned.
1882         (ix86_emit_save_regs_using_mov): Likewise.
1883         (ix86_expand_prologue): Handle force_align_arg_pointer.
1884         (ix86_expand_epilogue): Likewise.
1885         * config/i386/i386.h: (dbx_register_map): Update.
1886         (dbx64_register_map, svr4_dbx_register_map): Update.
1887         (struct machine_function): Add force_align_arg_pointer.
1888         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1889         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1890         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1892 2005-11-02  Jan Hubicka  <jh@suse.cz>
1894         PR target/23303
1895         * i386.md: Add peep2 for simplyfing array accesses.
1897 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
1899         PR target/24615
1900         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1901         * config/s390/s390.c (s390_decompose_shift_count): New function.
1902         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1903         (print_shift_count_operand): Use s390_decompose_shift_count.
1904         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1905         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
1907 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
1909         PR target/24600
1910         * loop.c (loop_givs_rescan): Use force_operand to expand
1911         complex GIVs.
1913 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
1915         PR 22429
1916         * fold-const.c (build_range_check): Use unsigned when signed
1917         overflow is undefined also.  If etype is subtype, make sure that
1918         the subtraction is in the supertype.
1920 2005-11-02  Richard Henderson  <rth@redhat.com>
1922         PR target/24178
1923         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
1924         by MEM_ALIGN.
1926 2005-11-01  Richard Henderson  <rth@redhat.com>
1928         PR 21518
1929         * loop.c (scan_loop): Do not propagate computations to a hard
1930         register destination with SMALL_REGISTER_CLASSES.
1932 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
1934         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
1935         costs for MULT inside PLUS or MINUS.
1937 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
1939         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
1940         (TRAMPOLINE_SIZE): Round up to 60.
1941         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
1943 2005-10-31  James E. Wilson  <wilson@specifix.com>
1945         PR debug/24444
1946         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
1947         ifdef.  Put ifdefs around call in gen_subprogram_die.
1948         (compute_frame_pointer_to_cfa_displacement): Likewise.
1949         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
1950         not defined.
1952         PR rtl-optimization/17356
1953         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
1954         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
1956 2005-10-31  Jan Hubicka  <jh@suse.cz>
1958         PR middle-end/24093
1959         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1961         PR target/20928
1962         * i386.c (legitimize_pic_address): Deal with large immediates.
1964         PR profile/20815
1965         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
1966         from symbol names while computing checkup.
1968         PR profile/24487
1969         * predict.c (predict_loops): Do not estimate more than
1970         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
1971         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
1973 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
1975         PR tree-optimization/19097
1976         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
1978 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
1980         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
1982 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
1984         PR middle-end/23492
1985         * tree-inline.c (setup_one_parameter): If the init_stmt
1986         is NULL, don't insert the statement.
1988 2005-10-30  Jan Hubicka  <jh@suse.cz>
1990         PR tree-optimization/24172
1991         * tree-inline.c (copy_body_r): Unshare the substituted value first.
1993 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
1995         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
1996         constants for hosts with long != 32 bits.
1998 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
2000         PR middle-end/24093
2001         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2003 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
2005         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2006         (TARGET_MS1_16_002): New.
2007         (TARGET_MS1_16_003): New.
2009         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2010         ("*decrement_and_branch_until_zero_no_clobber"): New.
2011         Add corresponding splitter for decrement_and_branch_until_zero
2012         instruction.
2013         Key all decrement_and_branch_until_zero patterns off of
2014         TARGET_MS1_16_003.
2016 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
2018         PR middle-end/24362
2019         * tree-complex.c (extract_component): Treat RESULT_DECL
2020         like the rest of the decls.
2022 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
2024         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2025         indirect call to _mcount if the function needs a static chain.
2027 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
2028             Caroline Tice  <ctice@apple.com>
2030         PR rtl-optimization/24460
2031         * dwarf2out.c (have_switched_text_sections): New boolean variable.
2032         (dwarf2out_switch_text_section): Set it to true instead of
2033         incrementing separate_line_info_table_in_use.
2034         (output_loc_list): Additionally test have_switched_text_sections.
2035         (output_ranges): Likewise.
2036         (dwarf2out_finish): Likewise.
2037         * varasm.c (assemble_start_function): Do not call
2038         insert_section_boundary_note.
2039         (assemble_end_function): If flag_reorder_blocks_and_partition,
2040         switch to the function's section before emitting the .size directive.
2041         * bb-reorder.c (insert_section_boundary_note): Staticify.
2042         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2043         * output.h (insert_section_boundary_note): Delete.
2045 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
2047         PR c/23103
2048         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2049         instead of pointer equality when comparing types.
2051 2005-10-24  James E. Wilson  <wilson@specifix.com>
2053         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2054         add_dependence_list_and_free calls.
2056 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2058         * contrib.texi: Add the names of the LLNL folks who donated
2059         Cray pointer support for gfortran.
2061 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2063         PR tree-optimization/24225
2064         * profile.c (branch_prob): Look from end to start through a
2065         basic block when looking for a locus.
2067 2005-10-24  Richard Henderson  <rth@redhat.com>
2069         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2070         parallel.
2071         (hppa_expand_prologue): Likewise.
2073 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2075         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2076         (NO_DEFERRED_PROFILE_COUNTERS): Define.
2077         * pa.h (NO_PROFILE_COUNTERS): Define.
2078         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2079         (funcdef_nos): New vector to hold label numbers of deferred profile
2080         counters.
2081         (output_deferred_profile_counters): New function.
2082         (hppa_profile_hook): Push label number onto funcdef_nos.
2083         (pa_hpux_file_end): Call output_deferred_profile_counters if
2084         NO_DEFERRED_PROFILE_COUNTERS is false.
2086         * pa-protos.h (get_deferred_plabel): New prototype.
2087         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
2088         Make global.
2089         (output_call): Adjust calls.
2091 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
2093         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2094         peculiarity of GOT/TOC section usage.
2096 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
2098         PR objc/24435
2099          * c-common.c (constant_string_class_name): Add documentation.
2101 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
2103         PR target/23832
2104         * recog.c (peephole2_optimize): Increment peep2_current_count
2105         only when the slot is empty.
2107 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2109         PR ada/23957
2110         * except.c (output_function_exception_table): Call
2111         assemble_external_libcall if we need a personality function.
2113 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2115         PR rtl-optimization/24460
2116         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2117         set the basic block for barriers.
2119 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
2121         * var-tracking.c (vt_initialize): Initialize post.
2123 2005-10-21  Devang Patel  <dpatel@apple.com>
2125         PR/24220
2126         * c-common.c (vector_types_convertible_p): Check vector element type.
2128 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2130         * config/sh/sh.c (prepare_move_operands): Handle the address
2131         constant which is a tls symbolic address plus a constant.
2133 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
2135         PR driver/24473
2136         * gcc.c (main): Use the correct counter for erroring out
2137         about mulitple files.
2139 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
2141         PR target/24465
2142         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2143         use r2 for 64-bit tls .got access.
2145 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
2147         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2148         TRUTH_OR_EXPR.
2150 2005-10-20  Steven Bosscher  <stevenb@suse.de>
2152         PR tree-optimization/24307
2153         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2155 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
2157         PR middle-end/24295
2158         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2159         alias targets.
2160         * varasm.c (find_decl_and_mark_needed): After cgraph global info
2161         is ready, stop marking functions, but still mark variables.
2163 2005-10-20  Richard Guenther  <rguenther@suse.de>
2165         PR c++/24439
2166         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2167         void type operands.
2169 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
2171         PR rtl-optimization/23585
2172         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2173         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
2174         (may_trap_p_1): New predicate extracted from...
2175         (may_trap_p): ... here.  Invoke may_trap_p_1.
2176         (may_trap_or_fault_p): New predicate.
2177         * rtl.h (may_trap_or_fault_p): Declare it.
2178         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2179         instead of may_trap_p.
2180         (steal_delay_list_from_fallthrough): Likewise.
2181         (fill_simple_delay_slots): Likewise.
2182         (fill_slots_from_thread): Likewise.
2183         * function.c (pad_to_arg_alignment): Rework comment about
2184         SPARC_STACK_BOUNDARY_HACK.
2185         * config/sparc/sparc.h: Likewise.
2187 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
2189         * config/s390/s390.c (s390_expand_insv): New.
2190         * config/s390/s390-protos.h (s390_expand_insv): Declare.
2191         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2192         ("icm_hi"): Remove mode attribute.
2193         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2194         Adjust all uses.
2195         ("*extracthi", "*extractqi"): Remove.
2196         (extv<mode>", "*extzv<mode>"): New.
2197         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2198         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2200 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2202         * cfgexpand.c (discover_nonconstant_array_refs_r,
2203         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2204         (tree_expand_cfg): Call discover_nonconstant_array_refs.
2205         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2206         discover_nonconstant_array_refs.
2208 2005-10-19  Steven Bosscher  <stevenb@suse.de>
2210         PR c/23228
2211         * c-decl.c (pop_scope): Don't warn about an unused variable
2212         if it is marked with TREE_NO_WARNING.
2213         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2214         somenow mismatch and olddecl is to be replaced.
2216 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
2218         PR middle-end/23199
2219         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2220         whether registers live on the edge can be saved/restored.
2222 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2224         * config/sh/sh.c (fixup_mova): Skip notes.
2226 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2228         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2229         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2230         (s390_can_eliminate): Handle BASE_REGNUM elimination.
2231         (s390_initial_elimination_offset): Likewise.
2232         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2233         register on TARGET_ZARCH targets.
2234         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2235         (INITIAL_FRAME_POINTER_OFFSET): Remove.
2236         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2237         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2239 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2241         * config/s390/s390.md: Comment describing output modifiers updated.
2242         * config/s390/s390.c (print_operand): Likewise.
2244 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2246         * config/s390/s390.c (override_options): Added check for -mstack-size
2247         64k limitation.
2248         * doc/invoke.texi: Mention that limit in the documenation.
2250 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
2252         PR #19672
2253         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2255 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
2257         Fix PR tree-optimization/24231
2259         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2260         (compute_avail): Ditto.
2262 2005-10-18  Richard Henderson  <rth@redhat.com>
2264         PR target/24428
2265         * config/i386/i386.c (legitimate_constant_p): Check
2266         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
2267         if LABEL_REF.
2268         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2269         (legitimate_pic_address_disp_p): Reorg CONST checking to make
2270         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
2271         directly.
2272         (print_operand_address): Likewise.
2273         * config/i386/predicates.md (x86_64_immediate_operand): Test
2274         SYMBOL_REF_TLS_MODEL properly inside CONST.
2275         (x86_64_zext_immediate_operand): Likewise.
2276         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2277         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2278         * config/i386/i386-protos.h: Remove predicates.md entries.
2280 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
2282         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2283         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2285 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
2286             Ian Lance Taylor <ian@airs.com>
2288         PR middle-end/23522
2289         * fold-const.c (fold_widened_comparison): Do not allow range based
2290         constant folding when right operand cannot be unwidened.
2292 2005-10-17  Richard Henderson  <rth@redhat.com>
2294         * builtins.c (expand_builtin_synchronize): Build a new-style asm
2295         with a memory clobber.
2297 2005-10-17  James E Wilson  <wilson@specifix.com>
2299         PR rtl-optimization/17356
2300         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2301         checking for EDGE_EH.
2303 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
2305         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2306         the slot on an even boundary for any type with 16-byte alignment.
2308 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
2310         PR target/23424
2311         * md.texi (Modifiers) <%>: Clarify that % doesn't work
2312         after register allocation.
2314 2005-10-17  DJ Delorie  <dj@redhat.com>
2316         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2317         as frame related.
2319 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
2321         PR c++/22551
2322         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2323         overflow flags.
2325 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
2327         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2328         to 2 if it's already non-zero.
2329         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2330         is set and warn about it if flag_schedule_insns is 1.
2332 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
2334         * config/crx/crx.md: Compare-and-branch instructions need to
2335         invalidate CC.
2337 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
2339         PR target/24315
2340         * config/i386/i386.md (*pushdi2_rex64 splitter)
2341         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2342         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2343         flow2 pass only when (optimize > 0 && flag_peephole2).
2345 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
2347         PR driver/22544
2348         * gcc.c (have_c): New static variable.
2349         (have_o): Likewise.
2350         (process_command): Remove declation of have_c.
2351         Set have_o to 1 when handling -o.
2352         (main): Add a fatel error if there are multiple
2353         files specified and -o and -c/-S is passed witout
2354         -combine or multiple languages.
2356 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
2358         Fix PR tree-optimization/22444
2359         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2360         Assert that we don't hit something with subvars.
2361         (setup_pointers_and_addressables): Don't add things with subvars,
2362         because we'll already process the subvars for aliasing purposes.
2364 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
2366         PR target/23424
2367         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2368         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2369         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2370         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2371         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2372         swapped, alternatives for the R constraint.
2374         PR middle-end/24341
2375         * builtins.c (get_builtin_sync_mode): Make unlimited
2376         mode_for_size request.
2378 2005-10-15  Richard Henderson  <rth@redhat.com>
2380         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2381         (gimplify_expr): ... here.
2382         (gimplify_compound_lval): Use it in initial scan loop.  Allow
2383         fb_lvalue in base expression.
2385 2005-10-15  Richard Henderson  <rth@redhat.com>
2387         PR 23714
2388         * builtins.c (expand_builtin_trap): Export.
2389         * expr.h (expand_builtin_trap): Declare.
2390         * expr.c (expand_assignment): Emit a trap for integral offsets
2391         from registers that weren't reduced to bitpos.
2393         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2394         (mark_array_ref_addressable): Remove.
2395         * tree-flow.h (mark_array_ref_addressable): Remove.
2396         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2398 2005-10-15  James E Wilson  <wilson@specifix.com>
2400         PR target/24232
2401         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
2402         (add_dependence_list_and_free): Likewise.
2403         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2404         call.
2406 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
2408         PR 23141
2409         PR 23142
2410         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2411         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2412         anti-range.
2413         (vrp_visit_phi_node): Only prevent infinite iterations when
2414         the previous result and the new result are both VR_RANGEs.
2416 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
2418         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2419         function comment.
2421 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2423         PR c/23439
2424         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2425         to initialize loc.
2427 2005-10-14  Per Bothner  <per@bothner.com>
2429         PR preprocessor/21250
2430         * c-ppoutput.c (print_line): Print internal line 0 as 1.
2432 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
2434         PR c++/22551
2435         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2436         overflow flags.  Refactor some conditionals.
2438 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
2440         PR tree-opt/21304
2441         * tree-dfa.c (add_referenced_var): Only look at decls which
2442         have TREE_CONSTANT or TREE_READONLY set instead of if
2443         !TREE_PUBLIC or !TREE_CONSTANT.
2445 2005-10-13  James E Wilson  <wilson@specifix.com>
2447         * doc/invoke.texi: For -x, add f95-cpp-input.
2448         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2450 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
2452         PR tree-optimization/24262
2453         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2454         in loop all the time.
2456 2005-10-12  Richard Henderson  <rth@redhat.com>
2458         PR c/24255
2459         * tree.h (DECL_TRANSPARENT_UNION): Remove.
2460         * function.c (assign_parm_find_data_types): Don't support it.
2461         * print-tree.c (print_node): Likewise.
2462         * c-common.c (handle_transparent_union_attribute): Likewise.
2463         Use build_duplicate_type.
2464         * tree-inline.c (remap_type_1): Split out of remap_type;
2465         properly remap aggregate fields.
2466         (build_duplicate_type): New.
2467         * doc/extend.texi (Variable Attributes): Remove documentation
2468         for transparent_union.
2470 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2472         PR target/24284
2473         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2474         (gen_stack_pointer_dec): Likewise.
2476 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
2478         PR middle-end/21275
2479         PR middle-end/21766
2480         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2481         target hook.
2482         (struct cxx): Add adjust_class_at_definition target hook.
2483         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2484         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2485         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2486         hook_void_tree. Add to TARGET_CXX.
2487         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2488         dllimport_flag.
2489         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2490         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2491         instead of attribute. Check for dllexport override.  Warn if
2492         inconsistent dll linkage. Don't lose old dllimport if decl has
2493         had address referenced.   Tweak lookup of dllimport atribute.
2494         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2495         for target specific rules.  Don't add dllimport attribute if
2496         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
2497         dllimport attribute.
2498         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2499         * varasm.c (initializer_constant_valid_p): Replace
2500         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2502         PR target/21801
2503         PR target/23589
2504         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2505         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2506         (i[34567]86-*-mingw32*): Likewise.
2508         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2509         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2511         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2512         C++-specific code. Change return value to bool.
2513         (i386_pe_dllimport_p): Likewise.
2514         (associated_type): Simplify and make language-independent
2515         (i386_pe_encode_section_info): Replace override of ambiguous
2516         dllimport symbol refs with a gcc_assert.
2517         (i386_pe_valid_dllimport_attribute_p): Define.
2518         * config/i386/winnt-cxx.c: New file. Define C++ versions of
2519         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2520         i386_pe_adjust_class_at_definition.
2521         * config/i386/winnt-stubs.c: New file. Define stub versions of
2522         lang-specific functions.
2523         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2524         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2525         i386_pe_adjust_class_at_definition.
2526         (i386_pe_valid_dllimport_attribute_p): Declare.
2527         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2528         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2529         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2531         PR target/19704
2532         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2533         dllimport attribute with test of DECL_DLLIMPORT_P.
2535 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
2537         * combine.c (make_extraction): Correct offset computation.
2539 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
2541         * config/cris/t-linux (LIMITS_H_TEST): Define.
2543 2005-10-12  Richard Henderson  <rth@redhat.com>
2545         PR rtl-opt/23324
2546         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2548 2005-10-12  Richard Guenther  <rguenther@suse.de>
2550         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2552 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
2554         PR c++/19964
2555         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2556         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2557         type.
2559 2005-10-12  Richard Guenther  <rguenther@suse.de>
2561         PR c++/23799
2562         * varasm.c (output_constant): Correct typo from previous
2563         patch by DJ.
2565 2005-10-11  Ian Lance Taylor  <ian@airs.com>
2567         PR rtl-optimization/13931
2568         * combine.c: Revert patch of 2003-05-14, and:
2569         (try_combine): Only set elim_i1 and elim_i2 if the destination is
2570         completely killed in the appropriate insn.
2571         (distribute_notes): Don't skip multiple hard register test for
2572         elim_i1 and elim_i2.
2574 2005-10-11  Richard Henderson  <rth@redhat.com>
2576         PR c/24255
2577         * c-typeck.c (convert_for_assignment): Use build_constructor_single
2578         to initialize a transparent union instead of a nop_expr.
2580 2005-10-11  Richard Henderson  <rth@redhat.com>
2582         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2583         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2584         (tree_ssa_dce_loop): Call scev_reset.
2586         PR tree-opt/24300
2587         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2588         * tree-ssa-dce.c: Include cfgloop.h.
2589         (tree_ssa_dce_loop, pass_dce_loop): New.
2590         * tree-pass.h (pass_dce_loop): Declare it.
2591         * passes.c (init_optimization_passes): Use it.
2593 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
2595         PR middle-end/24263
2596         * convert.c (convert_to_real): Revert 2005-10-05 patch.
2597         Only apply the optimization for rounding builtins if the inner
2598         cast is also an extension.
2600 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
2602         PR tree-opt/23946
2603         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2604         mark_new_vars_to_rename instead of update_stmt.
2606 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2608         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2610 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
2612         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2613         for setting MMX register to 0 rather than mmx.
2615 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
2617         PR target/12098
2618         * configure.ac: Move gas check from mips specific case to common case.
2619         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2620         * configure: Regenerate
2621         * doc/install.texi: Update.
2623 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2625         PR target/24284
2626         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2628 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
2630         * gcc.c (do_spec_1): Accept numeric characters in file name
2631         suffixes.
2633 2005-10-10  Nick Clifton  <nickc@redhat.com>
2635         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
2636         describing the deleted arm_gen_rotated_half_load function.
2638 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2640         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2641         __fpscr_values.
2643 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
2645         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2646         gnu_ld assignments.
2647         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2648         (EXTRA_MULTILIB_PARTS): Define.
2649         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2650         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2651         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2652         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2653         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2654         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2656 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
2658         PR tree-optimization/24226
2659         * tree-cfg.c (remove_bb): Clean up unreachable loops.
2660         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2661         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2662         Export.
2664 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2666         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2668 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
2670         PR target/24136
2671         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2672         Rewrite for no need for the early clobber.
2674 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
2676         Merge from csl-arm-branch:
2677         2005-09-07  Paul Brook  <paul@codesourcery.com>
2678         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2679         space to string.
2681         2005-04-30  Paul Brook  <paul@codesourcery.com>
2682         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2683         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2685         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
2686         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2687         (arm_override_options): Use TARGET_AAPCS_BASED.
2688         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2689         (PTRDIFF_TYPE): Use int for AAPCS.
2690         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2691         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2692         (DEFAULT_SHORT_ENUMS): Delete.
2693         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2695         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
2696         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2697         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2698         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2700         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
2701         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2703         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
2704         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2706         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
2707         * config.gcc (arm*-*-linux-gnueabi): Add it.
2708         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2709         redefining it.
2710         (TARGET_OS_CPP_BUILTINS): Likeiwse.
2711         * config/arm/linux-eabi.h: New file.
2712         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2713         (LINUX_TARET_LINK_SPEC): Likewise.
2714         (LINK_SPEC): Use it.
2715         * config/arm/t-linux-eabi: New file.
2717 2005-10-08  Steven Bosscher  <stevenb@suse.de>
2719         PR other/22202
2720         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2721         spaces.
2722         (PARAM_SMS_DFA_HISTORY): Likewise.
2724 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
2726         PR middle-end/23150
2727         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2728         (load_register_parameters): Call it.
2729         (check_sibcall_argument_overlap_1): Likewise.
2730         (store_one_arg): Likewise.
2732 2005-10-07  James E. Wilson  <wilson@specifix.com>
2734         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2735         DImode not VECINT24 for operand 2.
2737         PR target/23644
2738         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2739         -mtune-arch.
2741         PR target/24193
2742         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2743         fr_spill): Use destination_operand for operand 0.
2745 2005-10-07  DJ Delorie  <dj@redhat.com>
2747         * varasm.c (output_constant): Limit error to expanding
2748         conversions.
2750 2005-10-07  Richard Guenther  <rguenther@suse.de>
2752         PR middle-end/24227
2753         * fold-const.c (fold_binary): Fix operand types during folding
2754         of X op (A, Y).  Evaluation order of the side-effects of
2755         X and A are frontend-defined, so ensure we honour that even for
2756         tcc_comparison class operands; eased by removing duplicate code.
2758 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
2760         * stor-layout.c (layout_type): Do not allow alignment of array
2761         elements to be greater than their size.
2763 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
2765         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2766         host_xmake_file.
2767         (hppa*-*-linux*): Ditto.
2768         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2769         * config/host-hpux.c: New.
2770         * config/x-hpux: New.
2771         * config/pa/x-hpux: Remove.
2772         * config/pa/x-linux: Remove.
2773         * config/pa/pa-host.c: Remove.
2775 2005-10-07  Jeff Law  <law@redhat.com>
2777         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2778         determine whether or not to try and thread outgoing edges.
2780 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
2782         * config/rs6000/rs6000.md (eqsi_power): New.
2783         (neg_eq0si): Add TARGET_POWER to final condition.
2784         (neg_eqsi): Same.
2786 2005-10-06  Richard Henderson  <rth@redhat.com>
2788         * config/rs6000/rs6000.c: Revert last change.
2790 2005-10-06  Richard Henderson  <rth@redhat.com>
2792         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2793         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2795 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
2797         PR middle-end/22216
2798         PR middle-end/23651
2799         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2800         out return_label and naked_return_label.
2802 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
2804         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2805         change.
2807 2005-10-06  Richard Henderson  <rth@redhat.com>
2809         PR tree-opt/22237
2810         * tree-inline.c (declare_return_variable): Handle modify_dest not
2811         being a DECL.
2813 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
2815         Fix PR tree-optimization/22488
2816         * tree-ssa-structalias.c (check_for_overlaps): New function.
2817         (create_variable_info_for): Use it.
2819 2005-10-06  Richard Henderson  <rth@redhat.com>
2821         PR debug/24070
2822         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2823         (dwarf2out_start_source_file): Print it.
2825 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
2827         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2829 2005-10-06  Richard Henderson  <rth@redhat.com>
2831         PR 23706
2832         * mode-switching.c (optimize_mode_switching): Clear transp bit
2833         for block with incomming abnormal edges.
2835         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2836         (fpscr_set_from_mem): Use them.
2837         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2838         (fpscr postinc splitters): Rewrite as peephole2+split.
2840 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
2842         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2843         (eq<mode>_compare): Same.
2845 2005-10-06  Richard Guenther  <rguenther@suse.de>
2847         PR tree-optimization/24238
2848         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2850 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
2852         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2853         here.  Use AC_PATH_PROG for environment variables instead of
2854         test -x.
2855         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
2856         objdump also.
2857         * configure: Regenerated.
2859 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
2861         PR target/23783
2862         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2863         then force it into a register.
2864         (call_value): Likewise.
2866 2005-10-06  Richard Henderson  <rth@redhat.com>
2868         PR 24049
2869         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2870         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
2871         under pass_vectorize.
2873 2005-10-05  Devang Patel  <dpatel@apple.com>
2875         PR Debug/23205
2876         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2877         handling constants. Check NAMESPACE_DECL context for constants.
2879 2005-10-05  Eric Christopher  <echristo@apple.com>
2881         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2883 2005-10-05  Richard Henderson  <rth@redhat.com>
2885         PR 23714
2886         * tree-cfg.c (mark_array_ref_addressable_1): New.
2887         (mark_array_ref_addressable): New.
2888         * tree-flow.h (mark_array_ref_addressable): Declare.
2889         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2891 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
2893         PR middle-end/20606
2894         PR middle-end/24069
2895         * reload.c (subst_reloads): When adding a REG_LABEL to a
2896         jump instruction, also update JUMP_LABEL.
2898 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
2900         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2901         * bb-reorder.c (copy_bb_p): Use it.
2902         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2904 2005-10-05  Richard Henderson  <rth@redhat.com>
2906         PR target/23602
2907         * toplev.c (process_options): Warn about unsupported combinations
2908         of unwind tables and omit-frame-pointer.
2909         * config/i386/i386.c (override_options): Similarly.  Enable
2910         accumulate-outgoing-args if not explicitly disabled.
2912 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
2914         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2915         Handle big endian vs. small endian.
2916         (vec_initv2sf): Handle big endian vs. small endian.
2917         (*vec_extractv2sf_1): Ditto.
2919 2005-10-05  Dale Johannesen  <dalej@apple.com>
2921         * convert.c (convert_to_real):  Don't convert
2922         (float)floor(double d) to floorf((float)d).
2924 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
2926         * config/arm/arm.md (insv): Use gen_int_mode in more places.
2928 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
2930         PR tree-optimization/18587
2931         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
2932         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
2933         build_vuses): Change to VEC type.
2934         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
2935         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
2936         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
2937         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
2938         (get_name_decl): New.  Return DECL_UID of base variable.
2939         (operand_build_cmp): New.  qsort comparison routine.
2940         (operand_build_sort_virtual): New.  Sort virtual build vector.
2941         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
2942         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
2943         (FINALIZE_BASE): Use get_name_decl.
2944         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
2945         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
2946         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
2947         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
2948         direct VEC_* manipulations.
2949         (build_ssa_operands): Call operand_build_sort_virtual.
2950         (copy_virtual_operand, create_ssa_artficial_load_stmt,
2951         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
2952         with direct VEC_* manipulations.
2953         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
2954         with direct VEC manipulations.
2956 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
2958         PR tree-optimization/21419
2959         PR tree-optimization/24146
2960         PR tree-optimization/24151
2962         * c-typeck.c (readonly_error): Handle USE being lv_asm.
2963         (build_asm_expr): Call it if outputs are read-only.
2964         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
2966 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
2967             Paolo Bonzini  <bonzini@gnu.org>
2969         PR target/23809
2971         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
2972         enable the instructions and not just the built-ins.
2973         * doc/invoke.texi (x86 Options): Likewise.
2975 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
2977         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
2979         * doc/invoke.texi (Option Summary): Correct spelling
2980         of -mmacosx-version-min.
2982 2005-10-04  Devang Patel  <dpatel@apple.com>
2984         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
2985         real types.
2987 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
2989         * tree-vect-transform.c (vect_create_epilog_for_reduction):
2990         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
2992 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
2994         * config/s390/s390.md ("TDSI","DP"): New mode macros.
2995         ("TE","tg"): New mode attributes.
2996         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
2997         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
2998         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
2999         dword_mode and one for GPRmode.
3001 2005-10-04  Ian Lance Taylor  <ian@airs.com>
3003         PR preprocessor/13726
3004         * c-ppoutput.c (cb_include): Add comments parameter, and print out
3005         any comments passed in.
3007 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3009         * tree.c (annotate_with_file_line): Fix typo.
3011 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3013         PR ada/19382
3014         * builtins.c (fold_builtin_memcmp): When constructing the pointer
3015         type used to access data in the inlined length == 1 case, use
3016         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3017         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3019 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
3021         * config/i386/i386.h (TARGET_FISTTP): Enable also for
3022         TARGET_SSE3 and only for TARGET_80387.
3023         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3024         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3025         Do not depend on TARGET_80387.
3027 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3029         * tree.c (last_annotated_node): Change type to location_t*.
3030         (annotate_with_file_line): Reflect the change of
3031         last_annotated_node type.
3033 2005-10-04  Richard Guenther  <rguenther@suse.de>
3035         PR c/23576
3036         * c-decl.c (grokdeclarator): Don't write to fields
3037         of error_mark_node.
3039 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3041         PR middle-end/23125
3042         * c-decl.c (finish_decl): Use set_user_assembler_name even for
3043         register variables.
3044         * varasm.c (make_decl_rtl): If a register variable does not
3045         have a set user assmbler name, error out.
3046         Decode the asmspec is now name+1 bypassing '*'.
3048 2005-10-04  Steven Bosscher  <stevenb@suse.de>
3050         PR tree-optimization/23049
3051         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3052         of a COND_EXPR is folded before calling fold on the whole rhs of a
3053         conditional assignment.
3054         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3055         document that a COND_EXPR may appear there.
3057 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
3059         PR 23445
3060         * tree-vrp.c (extract_range_from_assert): If the new numeric
3061         range created out of the assertion contradicts the existing
3062         numeric range of the ASSERT_EXPR variable, make the new range
3063         varying.
3065 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3067         * config/sh/sh.c (sh_register_move_cost): Add case for moving
3068         from T_REGS to FP register class.
3070 2005-10-03  Richard Henderson  <rth@redhat.com>
3072         PR 24135
3073         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3074         before creating a new one.
3076 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
3078         * config/rs6000/t-aix43 (LDFLAGS): New.
3079         * config/rs6000/t-aix52 (LDFLAGS): New.
3081 2005-10-03  Ian Lance Taylor  <ian@airs.com>
3083         * gimplify.c (find_single_pointer_decl_1): New static function.
3084         (find_single_pointer_decl): New static function.
3085         (internal_get_tmp_var): For a formal variable, set restrict base
3086         information if appropriate.
3087         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3088         return it.
3089         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3090         (DECL_GET_RESTRICT_BASE): Define.
3091         (SET_DECL_RESTRICT_BASE): Define.
3092         (decl_restrict_base_lookup): Declare.
3093         (decl_restrict_base_insert): Declare.
3094         (struct tree_decl_with_vis): Add based_on_restrict_p field.
3095         * tree.c (restrict_base_for_decl): New static variable.
3096         (init_ttree): Initialize restrict_base_for_decl.
3097         (copy_node_stat): Copy restrict base information.
3098         (decl_restrict_base_lookup): New function.
3099         (decl_restrict_base_insert): New function.
3100         (print_restrict_base_statistics): New static function.
3101         (dump_tree_statistics): Call print_restrict_base_statistics.
3103 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
3105         PR 24142
3106         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3107         case of anti-ranges.
3109 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
3111         PR c/18851
3112         * c-typeck.c (tagged_tu_seen): Rename to ...
3113         (tagged_tu_seen_cache): this and add val field.
3114         (comptypes): Move functional to comptypes_internal
3115         and free tagged_tu_seen.
3116         (comptypes_internal): New function and call comptypes_internal
3117         instead of comptypes. Speed up by sibcalling
3118         tagged_types_tu_compatible_p.
3119         (alloc_tagged_tu_seen): New function
3120         (free_all_tagged_tu_seen_up_to): New function.
3121         (tagged_types_tu_compatible_p): Return the val of the seen two
3122         types.
3123         Add that the two types are the same to tagged_tu_seen_base
3124         if they are and call comptypes_internal instead of comptypes.
3125         <case UNION_TYPE>: Speed up common type where the fields are
3126         in the same order.
3127         (function_types_compatible_p): Call comptypes_internal instead of
3128         comptypes.
3129         (type_lists_compatible_p): Likewise.
3130         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3132 2005-10-02  Matthias Klose  <doko@debian.org>
3134         * doc/invoke.texi: Fix typo and speling error.
3136 2005-10-01  Richard Henderson  <rth@redhat.com>
3138         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3140 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
3142         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3143         using --start-group and --end-group.
3145 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
3147         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3148         FIXME note regarding quirky semantics.
3150 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
3152         PR 24141
3153         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3154         non-null range as a last resort.
3156 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
3157             Diego Novillo  <dnovillo@redhat.com>
3159         PR 23604
3160         * tree-vrp.c (extract_range_from_assert): For !=
3161         assertions, only build an anti-range if LIMIT is a
3162         single-valued range.
3164 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3166         * arm.md (movqi): On thumb when optimizing, handle loading from
3167         memory by describing this as taking a subreg of a zero-extended load
3168         into an SImode register.
3169         (movhi): Likewise.
3171 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
3173         * reload1.c (merge_assigned_reloads): Do not change any
3174         RELOAD_FOR_OUTPUT_ADDRESS reloads.
3176 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
3178         * Makefile.in (LIPO_FOR_TARGET): Define.
3179         (STRIP_FOR_TARGET): Define.
3181         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3182         before creating new ones.  Do symlinks before creating the actual
3183         targets.
3185         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3186         to work out which multilibs are actually being built.
3188 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
3190         * tree-vect-transform.c, config/ms1/ms1.md,
3191         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3192         Follow spelling conventions.
3193         * doc/invoke.texi, doc/md.texi: Fix typos.
3195 2005-09-30  Andrew Macleod  <amacleod@redat.com>
3197         PR tree-optimization/21430
3198         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3199         use operands, and set stmt pointer if need be.
3200         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3201         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3202         present.
3204 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3206         PR middle-end/24053
3207         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3209 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
3211         * optabs.c (expand_binop): Initialize first_pass_p.
3213 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
3215         PR middle-end/24109
3216         * c-decl.c (c_write_global_declarations_1): If any
3217         wrapup_global_declaration_2 call returned true, restart the loop.
3219 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
3221         Fix PR tree-optimization/24117
3222         * tree-ssa-structalias.c (find_func_aliases): Strip nops
3223         before considering whether to use anyoffset.
3225 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
3227         Revert this patch:
3229         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
3231         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3232         to order operands.
3233         (swap_commutative_operands_with_target): New.
3235 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
3237         PR c/21419
3238         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3239         read-only.
3241 2005-09-29  Steven Bosscher  <stevenb@suse.de>
3243         PR tree-optimization/23911
3244         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3245         and IMAGPART_EXPR too.
3247 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
3249         PR 17886
3250         * expmed.c (expand_shift): Move logic to reverse rotation
3251         direction when  rotating by constants ...
3252         * optabs.c (expand_binop): ... here.
3253         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3254         (ix86_rotrdi3): New pattern.
3255         (rotldi3): Handle 32-bit mode.
3256         (ix86_rotldi3): New pattern.
3258 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
3260         PR target/24102
3261         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3262         check for numbers that need no bit twiddle.
3264 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
3266         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3267         multilib to be built.
3269         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3270         (stage1-start): Delete old libgcc and libunwind before moving
3271         anything into the stage directory.
3272         (stage2-start): Likewise.
3273         (stage3-start): Likewise.
3274         (stage4-start): Likewise.
3275         (stageprofile-start): Likewise.
3276         (stagefeedback-start): Likewise.
3277         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3278         header in tm_file and CPU-specific t-darwin in tmake_file.
3279         (i[34567]86-*-darwin*): Don't change tm_file.
3280         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3281         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3282         shared library stub for target OS version.
3283         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3284         (SHLIB_LINK): Don't make SHLIB_SOLINK.
3285         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3286         (libgcc_s.%.dylib): New.
3287         (LIBGCC): Define.
3288         (install-darwin-libgcc-stubs): New.
3289         (INSTALL_LIBGCC): New append.
3290         * config/i386/darwin-libgcc.10.4.ver: New.
3291         * config/i386/darwin-libgcc.10.5.ver: New.
3292         * config/i386/t-darwin: New.
3293         * config/rs6000/darwin-libgcc.10.4.ver: New.
3294         * config/rs6000/darwin-libgcc.10.5.ver: New.
3295         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3296         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3298 2005-09-28  Paul Brook  <paul@codesourcery.com>
3300         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3301         denormals.
3303 2005-09-28  Richard Guenther  <rguenther@suse.de>
3305         PR tree-optimization/23853
3306         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3307         host_integerp to verify misalignment value.
3309 2005-09-28  Richard Henderson  <rth@redhat.com>
3311         * builtins.c (get_builtin_sync_mode): New.
3312         (expand_builtin_sync_operation): Pass in mode argument.
3313         (expand_builtin_compare_and_swap): Likewise.
3314         (expand_builtin_lock_test_and_set): Likewise.
3315         (expand_builtin_lock_release): Likewise.
3316         (expand_builtin): Update to match.
3318 2005-09-28  Nick Clifton  <nickc@redhat.com>
3320         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3321         formatting.  Add check to PLUS case to ensure that the offset is
3322         within an acceptable range.
3324         * config/v850/v850.md (casesi): Disable the generation of the
3325         switch pattern as it is not being handled properly at the moment.
3327         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3328         for when the high words are identical.
3330 2005-09-27  Richard Henderson  <rth@redhat.com>
3332         * pretty-print.c (pp_base_format): Fix typo for %>.
3334 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
3335             Devang Patel  <dpatel@apple.com>
3337         PR tree-optimization/23625
3338         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3339         LABEL_EXPR, assertion check.
3341 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
3343         * optabs.c (no_conflict_move_test): Check if a result of a
3344         to-be-moved insn would be clobbered by an originally
3345         preceding insn.
3347 2005-09-27  Jeff Law  <law@redhat.com>
3349         * passes.c (init_optimization_passes): Replace copy propagation
3350         passes immediately after DOM with phi-only copy propagation
3351         pases.  Add phi-only copy propagation pass after first DOM pass.
3352         * tree-pass.h (pass_phi_only_copy_prop): Declare.
3353         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3354         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3355         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
3356         to init_copy_prop.  Callers updated.
3357         (do_phi_only_copy_prop): New function.
3358         (pass_phi_only_copy_prop): New pass descriptor.
3360 2005-09-27  Nick Clifton  <nickc@redhat.com>
3362         * libgcc2.c (__popcount_tab): Remove redundant prototype.
3364 2005-09-26  Jason Merrill  <jason@redhat.com>
3366         PR c++/13764
3367         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3369         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3371 2005-09-26  James E Wilson  <wilson@specifix.com>
3373         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3374         copyright.  Add gcc copyright plus libgcc exception.
3375         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
3376         copyright.
3377         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3379 2005-09-26  Jeff Law  <law@redhat.com>
3381         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3382         about when to iterate.
3384 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
3386         PR target/23847
3387         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3388         for __complex__ double in -mcpu=G5 mode.
3390 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
3392         PR tree-optimization/23942
3393         * Makefile.in (SCEV_H): Depends on PARAMS_H.
3394         * tree-scalar-evolution.c: Include params.h.
3395         (t_bool): New enum.
3396         (follow_ssa_edge, follow_ssa_edge_in_rhs,
3397         follow_ssa_edge_in_condition_phi_branch,
3398         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3399         Change return type to t_bool.  Use a parameter to limit the size of
3400         trees that are walked before stopping
3401         (analyze_evolution_in_loop): Initialize the limit to 0.
3402         (follow_ssa_edge): Give up by returning t_dont_know if the limit
3403         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3405 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
3407         PR middle-end/23831
3408         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3409         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3411 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
3413         * combine.c (make_extraction): Check for valid use of subreg.
3415 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
3417         PR target/24055
3418         * config/i386/i386.md ("*fistdi2_1"): New pattern.
3419         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3420         ("fist<mode>2_with_temp"): Use only register operands.
3422 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
3424         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3425         CALL_INSN_FUNCTION_USAGE.
3427 2005-09-26  Richard Guenther  <rguenther@suse.de>
3429         PR middle-end/15855
3430         * gcse.c: Include hashtab.h, define ldst entry hashtable.
3431         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3432         (ldst_entry): Use the hashtable instead of list-walking.
3433         (find_rtx_in_ldst): Likewise.
3434         (free_ldst_entry): Free the hashtable.
3435         (compute_ld_motion_mems): Create the hashtable.
3436         (trim_ld_motion_mems): Remove entry from hashtable if
3437         removing it from list.
3438         (compute_store_table): Likewise^2.
3439         (store_motion): Free hashtable in case we did not see
3440         any stores.
3442 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
3444         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3445         and arg1 if we are passing them to fold_build2.
3447 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
3449         PR 23828
3450         * config/i386/i386.c (ix86_function_regparm): Fix the test for
3451         a nested function.
3453 2005-09-25  Richard Henderson  <rth@redhat.com>
3455         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3456         SYMBOL_REF_TLS_MODEL to be correct.
3458 2005-09-24  Richard Henderson  <rth@redhat.com>
3460         * ipa-type-escape.c (discover_unique_type): Remove dead code at
3461         end of function.  Reindent.
3463 2005-09-24  Ian Lance Taylor  <ian@airs.com>
3465         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3466         NEGATE_EXPR/BIT_NOT_EXPR case.
3468 2005-09-24  Richard Henderson  <rth@redhat.com>
3470         * c-common.c (handle_mode_attribute): When not modifying in place,
3471         create subtypes for enumerations.
3472         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3473         * gimplify.c (create_tmp_from_val): Likewise.
3475 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
3477         * config/i386/i386.md (*tls_global_dynamic_64,
3478         *tls_local_dynamic_base_64): Add missing mode to call.
3479         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3481 2005-09-24  Jan Hubicka  <jh@suse.cz>
3483         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3484         (cgraph_clone_node): Likewise.
3485         * cgraph.h (cgraph_clone_edge): Update prototype.
3486         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3487         duplicated prototypes; add updating argument.
3488         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3489         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3490         updating profile.
3491         (cgraph_mark_inline_edge): Likewise.
3492         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3493         (cgraph_flatten_node): Likewise.
3494         (cgraph_decide_recursive_inlining): Likewise.
3495         (cgraph_decide_inlining_of_small_function): Likewise.
3496         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3498 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
3499             Pete Steinmetz <steinmtz@us.ibm.com>
3501         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3502         (rldic.): Set type to "compare".
3503         (rldicr.): Same.
3504         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
3505         mfjmpr for MFCTR/MFLR.
3506         (movdf_hardfloat64): Same.
3507         (movdf_softfloat64): Same.  Correct order of store and move types.
3508         (movti_string): Set type to store_ux/load_ux.
3509         (load_multiple): Set type to load_ux.
3510         (store_multiple): Set type to store_ux.
3511         (movmemsi): Set type to store_ux.
3512         (output_cbranch direct_return): Set type to jmpreg.
3513         (stmw): Set type to store_ux.
3514         (lmw): Set type to load_ux.
3515         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3516         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3517         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3518         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3519         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3520         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3521         (rios1-fpstore): Increase latency to 3.
3522         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3523         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3525 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
3526             Andrew Pinski  <pinskia@physics.uc.edu>
3528         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3529         operand2 constraint to "b".
3530         (sync_<fetchop_name>di_internal): Same.
3531         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3532         to "b".
3533         (sync_old_<fetchop_name>di_internal): Same.
3534         (sync_new_<fetchop_name>si_internal): Same.
3535         (sync_new_<fetchop_name>di_internal): Same.
3537 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
3539         PR middle-end/23991
3540         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3541         case, define as macros.
3543         PR rtl-optimization/23837
3544         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
3545         clobber / clobber match between dest and p->first.
3547         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3548         (no_conflict_move_test): Update comments.
3550 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
3552         * doc/install.texi: Update URL for Jacks.
3553         * doc/sourcebuild.texi: Likewise.
3555 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
3557         PR target/24007
3558         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3559         registers when choosing register preferences.
3560         (movdf_hardfloat64): Same.
3562 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
3564         * expmed.c (expand_shift): Don't use the target of the rotate as
3565         target for the first expanded shift insn.
3566         * testsuite/gcc.dg/20050922-1.c: Testcase added.
3568 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
3570         PR tree-optimization/22438
3571         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3572         preserved iv rhs rewriting specially.
3574 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
3576         * tree-data-ref.c (analyze_array_indexes): Only estimate when
3577         estimate_only  is true.
3578         * tree-flow.h (ref_contains_indirect_ref): New prototype.
3579         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3580         tree-ssa-structalias.c
3581         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3582         ref_contains_indirect_ref.
3583         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3585 2005-09-21  DJ Delorie  <dj@redhat.com>
3587         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3588         MASK_PTR_A0D0.
3589         (mn10300_return_in_memory): Support variable size types also.
3590         (mn10300_pass_by_reference): Likewise.
3591         (mn10300_function_value): New.
3592         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3593         (FUNCTION_OUTGOING_VALUE): Likewise.
3594         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3595         * doc/invoke.texi: Document it.
3597 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
3599         PR target/22585
3600         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3601         force integer op1 into register for XFmode compares.
3603 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
3605         PR middle-end/23971
3606         * expmed.c (alg_code): Add alg_impossible.
3607         (alg_hash_entry): Add cost.
3608         (synth_mult): Record alg_impossible in the hash table if
3609         multiplication by a given integer is impossble within the
3610         limit.  Speed up using alg_impossible.
3612 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
3614         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3615         argument.  Allow and set any offset if needs_anyoffset is passed
3616         in.
3617         (get_constraint_for): Add argument here too.
3618         Pass it down.
3619         (do_structure_copy): Pass NULL to get_constraint_for.
3620         (handle_ptr_arith): Ditto.
3621         (find_func_aliases): Ditto.
3623 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
3625         PR rtl-optimization/23898
3626         * output.h (get_attr_min_length): Declare.
3627         * final.c (get_attr_length_1): New function, broken out of:
3628         (get_attr_length).
3629         (get_attr_min_length): New function.
3630         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3631         (duplicate_computed_gotos): Likewise.
3632         * genattr.c (insn_min_length): Generate declaration.
3633         * genattrtab.c (min_fn, min_attr_value): New functions.
3634         (make_length_attrs): Generate insn_min_length.
3636 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
3638         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3640 2005-09-20  Richard Henderson  <rth@redhat.com>
3642         PR tree-optimization/24059
3643         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3644         EXPAND_STACK_PARM.
3646 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
3648         * c.opt (fextended-identifiers): New.
3649         * c-opts.c (c_common_handle_option): Handle
3650         -fextended-identifiers.
3651         * doc/cpp.texi: Update documentation of extended identifiers.
3652         * doc/cppopts.texi (-fextended-identifiers): Document.
3654 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
3656         PR tree-optimization/23929
3657         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3658         if expr is NULL.
3660         PR tree-optimization/23818
3661         * tree-stdarg.c (execute_optimize_stdarg): Call
3662         calculate_dominance_info.
3664 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
3666         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3667         (analyze_siv_subscript_cst_affine): Add weak SIV test.
3668         (compute_overlap_steps_for_affine_1_2): Use
3669         get_number_of_iters_for_loop.
3670         (analyze_subscript_affine_affine): Check whether difference is
3671         zero first.
3672         Use get_number_of_iters_for_loop.
3673         Check whether overlap occurs outside of bounds.
3674         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3676 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
3678         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3679         base register if possible.
3681 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
3683         PR tree-optimization/18463
3684         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3685         converting it directly is not possible.
3686         (chrec_convert_aggressive): New function.
3687         * tree-chrec.h (chrec_convert_aggressive): Declare.
3688         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3689         Fold chrec conversions aggressively if asked to.
3690         (instantiate_parameters): Modified because of changes in
3691         instantiate_parameters_1.
3693 2005-09-19  Richard Henderson  <rth@redhat.com>
3695         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3696         (reduc_splus_v2df): New.
3698 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
3700         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3701         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
3703 2005-09-19  Richard Henderson  <rth@redhat.com>
3705         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3706         vcondu<SSEMODE12>.
3708 2005-09-19  Richard Henderson  <rth@redhat.com>
3710         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3711         (ia64_expand_dot_prod_v8qi): New.
3712         * config/ia64/ia64-protos.h: Update.
3713         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3714         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3715         sdot_prodv8qi, sdot_prodv4hi): New.
3716         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3718 2005-09-19  Richard Henderson  <rth@redhat.com>
3720         PR 23941
3721         * real.c (exact_real_truncate): Return false if the format cannot
3722         represent the number as a normal.
3724         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3725         for a memory source.
3727 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
3729         * tree-ssa-operands.c (swap_tree_operands): Export.
3730         * tree.h (swap_tree_operands): Declare.
3731         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3732         Call swap_tree_operands.
3734 2005-09-19  Richard Henderson  <rth@redhat.com>
3736         * tree-flow.h (merge_alias_info): Declare.
3737         * tree-ssa-copy.c (merge_alias_info): Export.
3738         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3739         (vect_create_data_ref_ptr): Use create_iv directly.
3740         (vectorizable_load): Use correct types for integer constants.
3741         (vect_generate_tmps_on_preheader): Likewise.
3742         (vect_gen_niters_for_prolog_loop): Likewise.
3744 2005-09-19  Steven Bosscher  <stevenb@suse.de>
3746         PR rtl-optimization/23943
3747         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3749 2005-09-18  Jan Hubicka  <jh@suse.cz>
3751         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3753 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
3755         * varasm.c (output_constant): Do not abort on conversions to union
3756         types between different sizes.
3758 2005-09-18  Richard Guenther  <rguenther@suse.de>
3760         PR middle-end/23944
3761         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3762         fallback.
3764 2005-09-18  Paul Brook  <paul@codesourcery.com>
3766         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3768 2005-09-17  Richard Henderson  <rth@redhat.com>
3770         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3771         * tree-ssa-loop.c (pass_vect_dce): Remove.
3772         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3773         of pass_vectorize.
3775 2005-09-17  Richard Henderson  <rth@redhat.com>
3777         * tree-pass.h (pass_vect_dce): Declare.
3778         * passes.c (init_optimization_passes): Add it.
3779         * tree-flow.h (tree_ssa_dce): Declare.
3780         * tree-ssa-dce.c (tree_ssa_dce): Export.
3781         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3782         (gate_tree_vectorize): ... here.
3783         (pass_vect_dce): New.
3785 2005-09-17  Jan Hubicka  <jh@suse.cz>
3787         * except.c (struct eh_status): Turn region_array into vec.
3788         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3789         convert_from_eh_region_ranges, find_exception_handler_labels,
3790         current_function_has_exception_handlers, assign_filter_values,
3791         build_post_landing_pads, dw2_build_landing_pads,
3792         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3793         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3794         foreach_reachable_handler, can_throw_internal_1,
3795         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3796         region_array.
3797         (duplicate_eh_region_1): Update region_array.
3798         (duplicate_eh_regions): Resize region_array and avoid recomputing.
3800 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
3802         PR middle-end/22067
3803         * expmed.c (expand_mult): Substitute simple register for op0 when
3804         computing max_cost.
3806 2005-09-17  Richard Henderson  <rth@redhat.com>
3808         * expr.c (emit_move_via_integer): Add force argument, pass it on
3809         to emit_move_change_mode.  Update callers.
3810         (emit_move_complex): Pass true to new force argument.
3811         * function.c (expand_function_end): Move expand_eh_return call
3812         earlier.  Merge sub-word complex values into a pseudo before
3813         copying to the return hard register.
3815 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
3817         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3818         between different sizes.
3820 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
3822         PR 23903
3824         * passes.c (init_optimization_passes): Register dump files for
3825         IPA passes first.
3827 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
3829         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3830         * config/s390/s390.c (s390_overlap_p): New function.
3831         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3832         peephole2, "*xc" peephole2): Added overlap check to the peephole2
3833         condition.
3835 2005-09-16  Richard Guenther  <rguenther@suse.de>
3837         * ipa-pure-const.c (static_execute): Free auxiliar information.
3838         * ipa-type-escape.c (discover_unique_type): Free temporary key.
3839         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3841 2005-09-15  DJ Delorie  <dj@redhat.com>
3843         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3845 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
3847         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3848         to order operands.
3849         (swap_commutative_operands_with_target): New.
3851 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
3853         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3854         parameter.
3855         Update callers.
3856         (estimate_iters_using_array): New function.
3857         * tree-data-ref.h (estimate_iters_using_array): Prototype
3858         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3859         Use estimate_iters_using_array instead of analyze_array.
3861 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
3863         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3864         as addressable.
3866 2005-09-15  Michael Matz  <matz@suse.de>
3868         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3870 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
3872         PR tree-optimization/23835
3873         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3874         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3876 2005-09-14  Richard Henderson  <rth@redhat.com>
3878         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3879         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3881 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
3883         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3884         in the ARRAY_TYPE case.
3886 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
3888         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3890 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
3892         PR middle-end/22480
3893         * tree-vect-transform.c (vectorizable_operation): Return false for
3894         scalar shift operations and for vector shift operations with
3895         non-invariant shift arguments.  Use scalar tree operand op1 as
3896         a shift operand when vector shift insn pattern uses scalar shift
3897         operand.
3898         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3900 2005-09-14  Olivier Hainque  <hainque@adacore.com>
3902         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3903         value if it has side-effects.
3905 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
3907         PR target/22068
3908         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3910 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
3912         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3913         passed as NAME as if it were label at start of function code.
3915 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
3917         * config/sh/sh.md (*movv4sf_i): Add general register cases to
3918         the constraints.
3920 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
3922         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
3923         as early clobber.  Rewrite so the PIC register is not implicitly used.
3925 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3927         * tree.c (annotate_with_file_line): Compare line numbers before
3928         file names.
3930 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
3932         PR target/23816
3933         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
3934         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
3936 2005-09-13  Ian Lance Taylor  <ian@airs.com>
3938         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
3939         than a HOST_WIDEST_INT to gen_doloop_begin.
3941 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
3943         * tree-dfa.c (dump_variable): Guard against NULL annotations.
3945 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
3947         PR tree-optimize/23817
3948         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
3950 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
3952         PR target/23774
3953         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
3954         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
3955         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
3956         (restore_stack_nonlocal): Likewise.
3957         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
3959 2005-09-12  Ian Lance Taylor  <ian@airs.com>
3961         PR g++/7874
3962         * c.opt (ffriend-injection): New C++ option.
3963         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
3964         (C++ Dialect Options): Document -ffriend-injection.
3966 2005-09-12  Josh Conner  <jconner@apple.com>
3968         PR middle-end/23237
3969         * ipa-reference.c (static_execute): Don't mark variables in
3970         named sections TREE_READONLY.
3972 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
3974         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
3975         stack_tie.
3977 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
3979         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
3980         V_MUST_DEF instead of just the first_use_p.
3981         Don't mark the virtual variables for renaming on the statement which
3982         is being removed.
3983         (pass_dse): Remove TODO_update_ssa.
3985 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
3987         PR middle-end/23290
3988         * stor-layout.c (compute_record_mode): For records with a single
3989         field, actually check the field's mode size against the type size.
3991         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
3992         registers for TARGET_SHMEDIA.
3993         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
3994         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
3995         of GENERAL_REGS and FP_REGS.
3997 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3999         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4001 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
4003         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4004         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4005         are omitted.  Exclude stack_tie insn too.
4007 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
4009         PR rtl-optimization/23098
4010         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4011         0.0f is easy.
4012         * config/rs6000/rs6000.md (movdf splitter): Use
4013         const_double_operand predicate for TARGET_POWERPC64.
4014         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4015         SYMBOL_REF method to ABI_V4.
4017         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4018         replace_equiv_address.
4019         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4020         rs6000_sr_alias_set and MEM_NOTRAP.
4021         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4023 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
4025         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4026         handle CALL_EXPR again.
4028 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
4030         * arm/predicates.md (alignable_memory_operand): Delete.
4032 2005-09-10  Richard Henderson  <rth@redhat.com>
4034         PR debug/23806
4035         * dbxout.c (dbxout_expand_expr): New.
4036         (dbxout_symbol): Use it.
4038 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
4040         * arm.c (arm_gen_rotated_half_load): Delete.
4041         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4042         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4043         (thumb_set_return_address): Likewise.
4044         (thumb_load_double_from_address): Use adjust_address.
4045         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4046         (extendhsisi2_mem, movhi_bytes): Use change_address.
4047         (movhi): Use widen_memory_access.
4048         (reload_out_df): Use replace_equiv_address.
4049         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4051 2005-09-09  Richard Henderson  <rth@redhat.com>
4053         PR debug/20998
4054         * dbxout.c: Include expr.h.
4055         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4056         (dbxout_symbol): Handle DECL_VALUE_EXPR.
4057         * Makefile.in (dbxout.o): Add EXPR_H.
4059 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
4061         PR tree-optimization/23509
4062         * tree-cfg.c (replace_uses_by): Use replace_exp.
4063         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4064         pointers have name_mem_tag or type_mem_tag set.
4066 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
4068         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4069         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4070         of wrongly accessing operands.
4072 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
4074         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4075         * tree-chrec.c: Include tree-scalar-evolution.h.
4076         (chrec_convert): Instantiate the base and step before calling
4077         scev_probably_wraps_p that would fail on parametric evolutions.
4078         Collect all the fails into a single section failed_to_convert,
4079         print a diagnostic, and return chrec_dont_know instead of calling
4080         fold_convert.
4081         * tree-scalar-evolution.c (loop_closed_phi_def): New.
4082         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4083         phi nodes.
4084         (scev_const_prop): Don't replace the definition of a loop closed ssa
4085         phi node by itself, or by another loop closed ssa phi node.
4086         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4087         that base and step are defined.
4089 2005-09-09  Richard Guenther  <rguenther@suse.de>
4091         PR c++/23624
4092         * fold-const.c (fold_ternary): Check truth_value_p before
4093         calling invert_truthvalue.
4095 2005-09-09  Nick Clifton  <nickc@redhat.com>
4097         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4098         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4099         dimension of these arrays.
4100         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4101         these arrays.
4102         * longlong.h: Only provide a prototype for the __clz_tab[] array
4103         if this header has not been included from libgcc2.h.
4104         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4105         defining own types.
4106         Provide prototypes for exported functions.
4107         Use the __clz_tab[] and __popcount_tab[] arrays provided by
4108         libgcc2.c.
4110 2005-09-08  Josh Conner  <jconner@apple.com>
4112         PR c++/21135
4113         PR c++/23180
4114         * expr.c (expand_expr_addr_expr_1): Don't invoke
4115         expand_simple_binop for EXPAND_INITIALIZER.
4117 2005-09-08  Richard Henderson  <rth@redhat.com>
4119         PR debug/23190
4120         * toplev.c (wrapup_global_declaration_1): Split out ...
4121         (wrapup_global_declaration_2): ... from ...
4122         (wrapup_global_declarations): ... here.  Return bool.
4123         (check_global_declaration_1): Split out ...
4124         (check_global_declarations): from here.
4125         (emit_debug_global_declarations): New.
4126         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4127         check_global_declaration_1, emit_debug_global_declarations): Declare.
4128         * c-decl.c (c_write_global_declarations_1): Don't create a vector
4129         of decls.  Call wrapup_global_declaration_1,
4130         wrapup_global_declaration_2, check_global_declaration_1 directly.
4131         (c_write_global_declarations_2): New.
4132         (ext_block): New.
4133         (c_write_global_declarations): Call c_write_global_declarations_2.
4134         * langhooks.c (write_global_declarations): Call
4135         emit_debug_global_declarations.
4137         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4138         remove decls that have DECL_RTL_SET_P.
4139         * passes.c (rest_of_decl_compilation): Invoke
4140         cgraph_varpool_finalize_decl for all but functions.
4142 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4144         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4145         the result of a conversion if the new min and max cannot be compared.
4147 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
4149         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4150         (override_options): Setting s390_sr_alias_set removed.
4151         (save_fpr, save_gprs): Set alias set to vararg or frame.
4152         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4153         s390_sr_alias_set with get_frame_alias_set ().
4154         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4155         get_varargs_alias_set ().
4157 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
4159         PR objc/20574
4160         PR objc/19324
4161         * c-parser.c (c_parser_objc_method_definition): If the next
4162         token is not "{", error out and don't start the function.
4164 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
4166         * tree-vrp.c (extract_range_from_expr): Move the check for non
4167         nullness after the check for gimple invariant.
4169 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4171         * tree.c (host_integerp, tree_low_cst): Correct function comment.
4173 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4175         PR target/23747
4176         * config/m32r.md (movmemsi_internal): Canonicalize order of
4177         operands in PLUS component of template.
4179 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4181         * reload1.c (fixup_eh_region_note): Remove assertion.
4182         (fixup_abnormal_edges): Reverted removal of call to
4183         find_many_sub_basic_blocks made on 2005-08-31.
4185 2005-09-07  Richard Henderson  <rth@redhat.com>
4187         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4188         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4189         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4190         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4191         rearrange for better packing.
4192         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4193         (lookup_cfa_1): Remove inline marker.
4194         (cfa_equal_p): Split out of ...
4195         (def_cfa_1): ... here.  Use INVALID_REGNUM.
4196         (build_cfa_loc): Handle !cfa->indirect.
4197         (frame_pointer_cfa_offset): New.
4198         (dbx_reg_number): Assert register elimination performed; do
4199         leaf register remapping.
4200         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4201         (eliminate_reg_to_offset): New.
4202         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
4203         for verifiably local stack frame addresses; re-base to CFA.
4204         (mem_loc_descriptor): Remove can_use_fbreg argument.
4205         (concat_loc_descriptor, loc_descriptor): Likewise.
4206         (containing_function_has_frame_base): Remove.
4207         (rtl_for_decl_location): Don't do register elimination or
4208         leaf register remapping here.
4209         (secname_for_decl): Split out from ..
4210         (add_location_or_const_value_attribute): ... here.
4211         (convert_cfa_to_loc_list): New.
4212         (compute_frame_pointer_to_cfa_displacement): New.
4213         (gen_subprogram_die): Use them.
4214         * tree.h (frame_base_decl): Remove.
4215         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4216         (prologue_stack_adjust): Remove.
4217         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4218         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4219         (set_frame_base_location): Remove.
4220         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4221         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4222         (vt_add_function_parameters): Don't eliminate_regs.
4223         (vt_initialize): Don't create frame_base_decl.
4225 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4227         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4228         version of GNU binutils for 4.x and later.
4230 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
4232         * ggc-page.c (ggc_push_context): Remove.
4233         (ggc_pop_context): Likewise.
4234         * ggc.h (ggc_push_context): Remove.
4235         (ggc_pop_context): Likewise.
4237 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4239         PR target/8973
4240         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4241         returning from an interrupt handler.
4243 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4245         PR target/8972
4246         * config/arc/arc.c (output_shift): Add check for loop count when
4247         optimizing.
4249 2005-09-06  Steven Bosscher  <stevenb@suse.de>
4251         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4252         form manually.
4253         (abs_replacement): Likewise.
4254         (pass_phiopt): Remove TODO_update_ssa.
4256 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
4258         PR c/23075
4259         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4260         if "return with no value, in function returning non-void" warning
4261         has been issued.
4262         * tree-cfg.c (execute_warn_function_return): Don't look at
4263         RETURN_EXPRs with TREE_NO_WARNING set.
4265         PR target/22362
4266         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4267         for internal functions doesn't use registers used by global registers
4268         variables.  Use fewer register parameters if there are global register
4269         variables.
4271 2005-09-06  Olivier Hainque  <hainque@adacore.com>
4272             Eric Botcazou  <ebotcazou@adacore.com>
4274         PR middle-end/14997
4275         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4276         when we would be extracting outside its bit span (bitpos+bitsize
4277         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4278         Ada unchecked conversions.
4280 2005-09-06  Steven Bosscher  <stevenb@suse.de>
4282         * tree-ssa-pre.c (try_look_through_load): New function.
4283         (compute_avail): Use it to try to look through loads for some
4284         more useful expressions.
4286 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4288         * simplify-rtx.c (simplify_binary_operation_1): Correct the
4289         condition for detecting cases like (a&a) and (a^a).
4291 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
4293         * common.opt: Add option ftree-vect-loop-version.
4294         * params.def: Add --param vect-max-version-checks.
4295         * doc/invoke.texi: Document ftree-vect-loop-version and
4296         --param vect-max-version-checks.
4297         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4298         may_misalign_stmts and defines for accessors.
4299         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4300         LOOP_VINFO_MAY_MISALIGN_STMTS.
4301         (destroy_loop_vec_info): VEC_free for
4302         LOOP_VINFO_MAY_MISALIGN_STMTS.
4303         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4304         Update documentation.
4305         (vect_update_misalignment_for_peel): New.
4306         (vect_enhance_data_refs_alignment): Update to choose loop
4307         peeling or loop versioning if appropriate for the (potentially)
4308         unaligned data references in the loop.
4309         (vect_analyze_data_refs_alignment): Remove call to
4310         vect_enhance_data_refs_alignment so the checks can be done
4311         earlier.
4312         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4313         and move up call to vect_analyze_data_refs_alignment.
4314         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4315         (vect_transform_loop): Add call to loop_version.
4317 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
4319         PR rtl-optimization/23098
4320         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4321         * simplify-rtx.c (constant_pool_reference_p): New function.
4322         * rtl.h (constant_pool_reference_p): New prototype.
4323         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4324         constant_pool_reference_p in condition and
4325         avoid_constant_pool_reference in preparation statements.
4327 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
4329         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4330         STRICT_LOW_PART SETs.
4332 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
4334         PR middle-end/21460
4335         * except.c (sjlj_emit_function_enter): Find the function begin
4336         note even when it's not in first basic block.
4338 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
4340         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
4341         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4342         * aclocal.m4: Regenerate.
4344 2005-09-05  DJ Delorie  <dj@redhat.com>
4346         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4347         of macro.
4349 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
4351         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4352         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4353         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4354         Follow spelling conventions.
4355         * doc/invoke.texi: Follow spelling conventions.
4357 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
4359         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4360         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4361         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4363 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
4365         PR target/23683
4366         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4367         (output_stack_adjust): Use gen_tmp_stack_mem.
4368         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4369         (sh_set_return_address, sh_allocate_initial_value): Likewise.
4370         (sh_get_pr_initial_val): Likewise.
4371         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4372         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
4373         * sh.md (divsi_inv_m0): Use gen_const_mem.
4374         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4375         (movdf_i4+1): Use gen_tmp_stack_mem.
4376         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4377         (fpu_switch+2): Likewise.
4378         (movv4sf_i, movv16sf_i): Use adjust_address.
4379         (symGOT_load): Set MEM_NOTRAP_P bit.
4381 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4383         PR target/23721
4384         * pa.c (emit_move_sequence): Fix typo in last change.
4386 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
4388         PR rtl-optimization/23454
4389         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4390         is true.
4392 2005-09-03  Richard Henderson  <rth@redhat.com>
4393             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4395         PR middle-end/23671
4396         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4397         gen_rtx_MEM.
4399 2005-09-02  Nicolas Pitre <nico@cam.org>
4401         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4402         to bit_count to 32 bits.
4404 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
4406         PR c++/23167
4407         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4408         generating synthetic loads from volatile lvalues.
4410 005-09-02  Nick Clifton  <nickc@redhat.com>
4412         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4413         __ctzhi2, __clzhi2): New functions.
4415 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
4417         PR middle-end/23547
4418         * tree-nested.c (struct var_map_elt): Mark with GTY.
4419         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
4420         var_map_elt.
4421         (lookup_field_for_decl): Allocate new element in GC memory.
4422         (lookup_tramp_for_decl): Likewise.
4423         (convert_nl_goto_reference): Likewise
4424         (create_nesting_tree): Allocate info in GC memory. Likewise for
4425         info->var_map.
4426         (free_nesting_tree): Free with ggc_free instead of free.
4427         (root): New static variable.
4428         (lower_nested_functions): Remove root as local variable.  And zero out
4429         root at the end of the function.
4431 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
4433         PR rtl-optimization/20365
4434         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4435         to short.  New member ix.
4436         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4437         (simplify_plus_minus): Initialize ix members before calling qsort.
4439 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
4441         PR tree-optimization/23626
4442         * tree-cfg.c (replace_uses_by): Clean up eh info.
4444 2005-09-01  DJ Delorie  <dj@redhat.com>
4446         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4447         fprintf.
4449 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
4451         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4452         (rs6000_split_multireg_move): Use replace_equiv_address instead of
4453         gen_rtx_MEM.
4455 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
4457         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
4458         do not issue warning for a variable definition following
4459         a declaration.
4461 2005-09-01  Richard Henderson  <rth@redhat.com>
4463         PR 23668
4464         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4465         conversion to CONST_VECTOR.
4467 2005-09-01  Richard Henderson  <rth@redhat.com>
4469         PR 23676
4470         * reload1.c (reload_as_needed): Check !CALL_P before calling
4471         fixup_eh_region_note.
4472         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4474 2005-09-01  DJ Delorie  <dj@redhat.com>
4476         * varasm.c (output_constant): Let the target resolve
4477         conversions of addresses to non-default pointer sizes.
4479 2005-09-01  Nicolas Pitre <nico@cam.org>
4481         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4482         to alow matching ARM pre-indexed addressing mode.
4483         (arm_override_options): Remove now irrelevant comment.
4485 2005-09-01  Phil Edwards  <phil@codesourcery.com>
4487         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
4488         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
4489         * config/i386/vxworks.h:  Likewise.
4490         * config/i386/t-vxworksae:  New file, for VxWorks AE.
4491         * config/i386/vxworksae.h:  Likewise.
4493 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
4495         PR tree-optimization/23410
4496         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4497         sequence is not wrapping during the first step.
4499 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
4501         PR debug/7241
4502         * dwarf2out.c (base_type_die): Compare char_type_node with
4503         TYPE_MAIN_VARIANT (type), not type.
4505 2005-09-01  Richard Guenther  <rguenther@suse.de>
4507         PR tree-optimization/15366
4508         * common.opt: Add -finline-functions-called-once.
4509         Put -fearly-inlining in alphabetically ordered place.
4510         * doc/invoke.texi: Document new option.
4511         * ipa-inline.c (cgraph_decide_inlining): Honour
4512         flag_inline_functions_called_once.
4514 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
4516         PR rtl-optimization/23478
4517         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4518         (alloc_qty): Initialize it.
4519         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4520         (combine_regs): Combine also n_throwing_calls_crossed fields.
4521         (find_free_reg): Don't attempt to caller-save pseudos crossing
4522         calls that might throw.
4523         * global.c (struct allocno): Add throwing_calls_crossed field.
4524         (global_alloc): Revert 2005-08-22 change.  Initialize
4525         throwing_calls_crossed.
4526         (find_reg): Don't attempt to caller-save pseudos crossing calls that
4527         might throw.
4529 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
4531         PR target/23649
4532         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4533         (mask64_operand): Reinstate code prior to 2005-06-11 change.
4534         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4535         (and64_2_operand): Tweak to use predicate.
4536         (and_operand): Adjust for mask_operand changes.
4537         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4538         (print_operand): Likewise.
4539         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4540         (mask64_1or2_operand): Delete.
4541         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4542         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4543         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4544         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4545         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4546         (rotldi3_internal4): Likewise.
4547         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4548         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4549         (ashldi3_internal7): Likewise.
4550         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4551         (ashldi3_internal, ashldi3_internal9 split): Likewise.
4552         (anddi3 split): Don't match mask64_operand.
4553         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
4554         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
4555         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
4556         't' splitter predicate.
4557         (movdi_internal64 + 2): Revert 2005-06-11 change.
4559 2005-08-31  DJ Delorie  <dj@redhat.com>
4561         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4562         (m32c_asm_integer): Add support for 32 bit pointers.
4564 2005-08-31  Richard Henderson  <rth@redhat.com>
4566         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4567         component-like references for setting MEM_NOTRAP_P.
4569         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4570         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4572 2005-08-31  Richard Henderson  <rth@redhat.com>
4574         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4575         into a pseudo before applying gen_lowpart.
4577 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
4579         * doc/install.texi (Specific): Update cctools version required
4580         for full functionality.
4581         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4582         linkers as -macosx_version_min.
4584 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
4586         PR target/21255
4587         * sh.c (print_operand, %R and %S): Add handling of floating point
4588         registers, memory, constants and invalid operands.
4590 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
4592         * ipa-pure-const.c: Change dump name.
4594 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4596         PR target/23570
4597         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4598         to "reg_or_0_operand".
4599         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4601 2005-08-31  Dale Johannesen  <dalej@apple.com>
4603         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
4604         loops that count down.
4606 2005-08-31  Richard Henderson  <rth@redhat.com>
4608         PR rtl-opt/23601
4609         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4610         (fixup_eh_region_note): New.
4611         (reload_as_needed): Call it.
4612         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4613         don't call find_many_sub_basic_blocks; call verify_flow_info.
4614         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4615         (keep_stack_depressed): Likewise.
4616         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4618 2005-08-31  Richard Henderson  <rth@redhat.com>
4620         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4621         fp return matching.
4623 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
4625         * expr.c (expand_expr_real_1): Compare size of address
4626         mode to target's address mode size in deciding expansion of
4627         the constant address.
4629 2005-08-31  Richard Guenther  <rguenther@suse.de>
4631         PR middle-end/23477
4632         * expr.c (all_zeros_p): New function.
4633         (expand_expr_real_1): Handle the case of an all-zero
4634         non-addressable constructor separately.
4636 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
4638         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4639         arguments, adjust all callers.
4640         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4642 2005-08-30  Richard Henderson  <rth@redhat.com>
4644         PR target/23630
4645         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4646         whenever the mode sizes match.
4648 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
4650         * calls.c (load_register_parameters): Fix comment typo.
4651         * expr.c (emit_push_insn): Comment formatting.
4653 2005-08-30  Ian Lance Taylor  <ian@airs.com>
4655         * config/i386/x-cygwin (host-cygwin): Change dependency from
4656         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4658 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
4660         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4661         parts of 'vals'.
4663 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
4665         PR middle-end/23408
4666         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4667         call to ggc_collect.
4669 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
4671         PR bootstrap/21268
4672         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4673         beginning.  Remove $(INCLUDES) from all the rules, if following
4674         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4676 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
4678         PR middle-end/23484
4679         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4680         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4681         not constant, but maxlen is, don't set len to maxlen, rather
4682         set maxlen to len if len is a constant.
4684 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
4686         PR tree-optimization/23475
4687         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4688         and counts.
4690 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
4692         Fix PR middle-end/22455
4694         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4695         Checksum only the parts of the tree that exist for the tree code.
4697 2005-08-28  Dale Johannesen  <dalej@apple.com>
4699         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
4701 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
4703         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4705 2005-08-28  Richard Henderson  <rth@redhat.com>
4707         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4708         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4709         of char_type_node.
4711 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
4713         PR ada/23593
4714         * builtins.c (get_memory_rtx): Don't strip nops
4715         in between COMPONENT_REFs.
4717 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
4719         PR middle-end/23463
4720         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4721         types.
4722         (gimplify_modify_expr): Check for zero sized types and gimplify the
4723         rhs and lhs as statements.
4725 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
4727         PR libgcj/23508
4728         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4729         state for return address column of signal frames.
4731 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
4733         PR target/23539
4734         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4735         bytes >= 2 not bytes == 2.
4736         (expand_block_move): Same.
4738 2005-08-27  Richard Guenther  <rguenther@suse.de>
4740         PR target/23575
4741         * config/i386/sse.md (sse2_movsd): Add missing closing
4742         braces.
4744 2005-08-27  Paul Brook  <paul@codesourcery.com>
4746         * genrecog.c (enum decision_type): Add DT_num_insns.
4747         (struct decision_test): Add u.num_insns.
4748         (add_to_sequence): Add DT_num_insns test.
4749         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4750         (write_cond, debug_decision_2): Ditto.
4751         (change_state): Assume peep2_next_insn never fails.
4752         Remove "afterward" argument.
4753         (write afterward, write_tree): Update to match.
4754         * recog.c (peep2_current_count): New variable.
4755         (peep2_next_insn): Check it.
4756         (peephole2_optimize): Set peep2_current_count.
4757         * recog.h (peep2_current_count): Declare.
4759 2005-08-26  Josh Conner  <jconner@apple.com>
4761         PR middle-end/23584
4762         * ipa-pure-const.c (check_tree): Check for volatile-ness
4763         when considering a dereference.
4765 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
4767         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4769 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
4771         PR rtl-optimization/23561
4772         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
4773         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4774         at most LEN bytes long memory fits into the field.
4775         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4776         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4777         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4779 2005-08-26  Richard Henderson  <rth@redhat.com>
4781         PR rtl-opt/23560
4782         * loop.c (biased_biv_may_wrap_p): New.
4783         (maybe_eliminate_biv_1): Use it to suppress non-equality
4784         comparison transformations.  Delete disabled code.
4786 2005-08-26  Ian Lance Taylor  <ian@airs.com>
4788         * combine.c (make_extraction): Avoid reference outside object.
4790 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
4792         * stor-layout.c (finalize_type_size): Restore behaviour for
4793         non-aggregate types to the status quo ante of the patch for
4794         pr 23467.  Document why it matters.
4796 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
4798         PR c/23506
4799         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4800         array by one element, initialize the BT_LAST element with NULL.
4802 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
4804         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4805         optimizing for size.
4806         (plus_eqsi): Same.
4807         (compare_plus_eqsi): Same.
4808         (plus_eqsi_compare): Same.
4809         (neg_eq0<mode>): Same.
4810         (neg_eq<mode>): Same.
4812         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4813         PROCESSOR_POWER4.
4815 2005-08-26  Nick Clifton  <nickc@redhat.com>
4817         * config/v850/v850.c (ep_memory_operand): Return FALSE if
4818         TARGET_EP is not defined.
4819         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4820         TARGET_EP is enabled.
4821         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4822         * config/v850/v850.md (save_all_interrupt): Only use the EP
4823         register if TARGET_EP is defined.
4824         (restore_all_interrupt): Likewise.
4825         * config/v850/lib1funcs.asm: Update functions so that the EP
4826         register is only used if __EP__ is defined.
4828 2005-08-26  David Ung  <davidu@mips.com>
4830         * config/mips/mips.c (mips_expand_prologue): Handle case when
4831         generating for MIPS16 and the outgoing argument area is more than
4832         SMALL_OPERAND. Use the frame pointer as temporary to generate the
4833         add instruction.
4835 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
4837         * config/crx/crx.md: Make doloop_end pattern usage controllable
4838         via mloop-nesting=<max-nesting> command line switch. Make sure
4839         the combiner cannot use doloop_end_<mode> in an illegal way.
4840         * config/crx/crx.c: Use regs up to r6 for argument passing.
4841         Refine crx_address_cost (non cst4 displacements are expensive).
4842         * config/crx/crx.opt: Add switch for mloop-nesting=.
4844 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
4846         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4847         (UNSPEC_MVST): New constant.
4849 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
4851         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4852         Reject operands containing eliminable registers.
4853         * testsuite/gcc.dg/20050825-1.c: New testcase.
4855 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4856             Jan Hubicka  <jh@suse.cz>
4858         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4860 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4862         PR tree-optimization/23546
4863         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4864         and REAL_CST nodes.
4866 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
4868         * params.def (PARAM_MIN_SPEC_PROB): New.
4869         * sched-rgn.c (MIN_PROBABILITY): Delete.
4870         (compute_trg_info): Convert to PARAM_VALUE.
4871         * doc/invoke.texi (param): Document min-spec-prob.
4873 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
4875         * config/darwin.h: define __PIC__
4876         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4877         TARGET_OS_CPP_BUILTINS macro.
4879 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4881         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4882         yesterday.
4884 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
4886         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4887         to duplicate_block.
4888         * cfghooks.c (duplicate_block): Added position where to place
4889         new block as argument.
4890         * cfghooks.h (duplicate_block): Declaration changed.
4891         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
4892         duplicate_block.
4893         * cfglayout.h (copy_bbs): Declaration changed.
4894         * cfgloop.h (loop_version): Declaration changed.
4895         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4896         position to copy_bbs.
4897         (loop_version): Pass position to duplicate_loop_to_header_edge.
4898         Add place_after argument and position new blocks according to
4899         it.
4900         * modulo-sched.c (sms_schedule): Pass place_after argument
4901         to loop_version.
4902         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4903         * tree-cfg.c (split_edge_bb_loc): New function.
4904         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4905         to determine position of new blocks.
4906         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4907         to loop_version.
4908         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4909         argument to duplicate_block.
4910         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4911         Pass position to copy_bbs.
4913 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
4915         * fold-const.c (ptr_difference_const): Use
4916         cst_and_fits_in_hwi instead of host_integerp.
4918 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4920         * config/darwin.c (gen_pic_offset): New.
4921         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
4922         Use it.
4924 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
4926         PR tree-optimization/23486
4927         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
4929 2005-08-23  Phil Edwards  <phil@codesourcery.com>
4931         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
4932         remove use_collect2.
4933         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
4935         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
4936         configuration files to override the default value.
4938         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
4939         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
4940         * config/vx-common.h:  New file, split out from...
4941         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
4942         * config/vxworksae.h:  New file, for VxWorks AE.
4943         * config/vxworks.opt:  New file.
4944         * config/vxlib.c:  Update for VxWorks 6.
4946         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
4947         other MULTILIB_* variables appropriately.
4948         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
4949         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
4950         * config/rs6000/vxworks.h:  Update for VxWorks 6.
4951         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
4953 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
4955         PR target/20799
4956         * config/darwin.c (machopic_select_section): Remove the hack to
4957         mark "::operator new" and "::operator delete" for coalescing
4958         even though they are not weak.
4960 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
4962         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4963         * configure: Regenerate.
4965 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
4967         PR middle-end/23517
4968         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
4969         between vectors.
4970         * convert.c (convert_to_integer, convert_to_vector): Likewise.
4971         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
4972         Likewise.
4974 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
4976         * config/rs6000/predicates.md (equality_operator): New.
4977         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
4978         comparison with a large constant.
4980 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
4982         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
4984 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
4986         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
4987         registers is even, and we have a hardware double precision fp,
4988         align the buffer.
4989         (sh_gimplify_va_arg_expr): For floating point arguments, consider
4990         size of current argument when checking if argument was passed in
4991         registers.
4993         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
4995         PR middle-end/23467
4996         * stor-layout.c (finalize_type_size): Dont override
4997         existing alignment with a smaller alignment from the mode.
4999 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
5001         * lambda-code.c (lambda_vector_lexico_pos): Moved...
5002         * lambda.h (lambda_vector_lexico_pos): ... here.
5003         * tree-data-ref.c (build_classic_dist_vector): Return false when
5004         the distance vector is lexicographically negative.
5006 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
5008         PR tree-optimization/23511
5009         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5010         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5012 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
5014         PR tree-optimization/22043
5015         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5016         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5017         If ALLOW_FLEXARR, handle types ending with flexible array member.
5018         Pass false as second argument to recursive count_type_elements calls.
5019         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5020         argument to count_type_elements call.
5021         * tree-sra.c (decide_block_copy): Likewise.
5022         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5023         for a constant-sized object, set cleared as well.  Pass true as
5024         second argument to count_type_elements call.
5026 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
5028         PR target/21571
5029         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5030         from legitimate_small_data_p, and make global.  Update use.
5031         Remove forward declaration.
5032         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5033         Declare.
5034         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5036 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
5038         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5039         of scratch intermediates.
5040         (eq<mode>_compare): Same.
5041         (neg_eq0<mode>): New.
5042         (neg_eq<mode>): Convert to define_insn_and_split.
5044 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
5046         PR target/23070
5047         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5048         stdarg functions, set/clear the fp marker even when no variable
5049         args are passed.
5050         * config/rs6000/sysv4.opt (mprototype): Describe.
5052 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
5054         PR rtl-optimization/23478
5055         * regs.h (reg_info): Add throw_calls_crossed.
5056         (REG_N_THROWING_CALLS_CROSSED): Define.
5057         * flow.c (allocate_reg_life_data): Initialize
5058         REG_N_THROWING_CALLS_CROSSED.
5059         (propagate_one_insn, attempt_auto_inc): Update
5060         REG_N_THROWING_CALLS_CROSSED.
5061         * global.c (global_alloc): Don't allocate pseudos across
5062         calls that may throw.
5064 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
5066         PR c/18715
5067         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5068         value is inbetween the range if we did not find an exact match.
5070 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
5072         * doc/invoke.texi (Option Summary): Add ms1 options.
5073         * doc/extend.texi: Document interrupt handler attribute for ms1.
5074         * doc/md.texi: Document ms1 constraints.
5075         * config.gcc: Add ms1-*-elf.
5076         * config/ms1/ms1.h: New.
5077         * config/ms1/ms1.c: New.
5078         * config/ms1/ms1.md: New.
5079         * config/ms1/ms1-protos.h: New.
5080         * config/ms1/ABI.txt: New.
5081         * config/ms1/crti.asm: New.
5082         * config/ms1/crtn.asm: New.
5083         * config/ms1/lib2extra-funcs.c: New.
5084         * config/ms1/t-ms1: New.
5085         * config/ms1/ms1.opt: New.
5087 2005-08-22 Ira Rosen <irar@il.ibm.com>
5089         * config/rs6000/altivec.md (xorv4sf3): New.
5090         (negv4sf2, neg<mode>2): Likewise.
5092 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
5094         PR target/23485
5095         * config/ia64/ia64.md (divsi3): Check divide by zero.
5096         (udivsi3): Likewise.
5097         (divdi3): Likewise.
5098         (udivdi3): Likewise.
5100 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
5102         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5103         up to elem_bitsize bits, not max_bitsize.
5105 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
5107         PR tree-optimization/23433
5108         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5109         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5111 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
5113         PR tree-optimization/23434
5114         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5115         the iteration bound is not an INTEGER_CST.
5117 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
5119         * tree-vect-transform.c (get_initial_def_for_reduction): Set
5120         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5121         NULL if need_epilog_adjust is false.
5122         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5123         Case 3 always peels first itration, not just for PLUS case, and no need
5124         to use scalar_initial_def here. Create an epilog adjustment only if
5125         scalar_initial_def is not NULL.
5127         (vectorizable_reduction): Remove assert.
5129 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
5131         PR target/23485
5132         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5133         (__moddi3): Likewise.
5134         (__udivdi3): Likewise.
5135         (__umoddi3): Likewise.
5136         (__divsi3): Likewise.
5137         (__modsi3): Likewise.
5138         (__udivsi3): Likewise.
5139         (__umodsi3): Likewise.
5141 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
5143         * tree-pass.h (TDF_GRAPH): Define.
5144         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5145         * passes.c (finish_optimization_passes): Only call
5146         finish_graph_dump_file if TDF_GRAPH is set.
5147         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5148         NULL.  Set TDF_GRAPH bit.
5149         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5151 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
5153         * arm.h (arm_stack_offsets): Add locals_base field.
5154         * arm.c (arm_get_frame_offsets): Compute it.
5155         (thumb_compute_initial_elimination offset): Make the Thumb frame
5156         pointer point to the base of the local variables.
5157         (thumb_expand_prologue): Update accordingly.
5158         (thumb_expand_epilogue): Likewise.
5160         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
5161         mode of clobbered scratch to DImode.  Handle a case that's known to
5162         need this.
5164 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
5166         * config/rs6000/rs6000.md (gt0<mode>): Delete.
5167         (gt0<mode>_compare): Delete.
5168         (neg_gt0<mode>): Delete.
5170 2005-08-19  Eric Christopher  <echristo@apple.com>
5172         * optabs.h: Change CTI_ to COI_.
5173         * optabs.c: Ditto.
5175 2005-08-19  James E Wilson  <wilson@specifix.com>
5177         * builtins.c (expand_builtin_return_addr): Set
5178         current_function_accesses_prior_frames when count != 0.  Use
5179         frame_pointer_rtx when count == 0.
5180         * function.h (struct function): Add accesses_prior_frames field.
5181         (current_function_accesses_prior_frames): Define.
5182         * reload1.c (init_elim_table): Check
5183         current_function_accesses_prior_frames.
5184         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5186 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5188         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5189         indicator.  Return true if the flowgraph changed during
5190         cleanup.
5192 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5194         PR 23476
5195         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5196         conditional expression before testing its value.
5198 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5200         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5202 2005-08-19  Devang Patel  <dpatel@apple.com>
5204         PR tree-optimization/23048
5205         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5206         third parameter. Check whether latch is dominated by exit
5207         block or not.
5208         (if_convertible_loop_p): Supply exit block itself to
5209         if_convertible_bb_p.
5211 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
5213         PR target/23473
5214         * arm.md (arm_load_pic_register): Change argument to the mask of
5215         saved registers.  Call thumb_find_work_register if we need a
5216         scratch register on Thumb.
5217         (arm_expand_prologue): Pass empty register set to
5218         arm_load_pic_register.
5219         (thumb_expand_prologue): Pass live_regs_mask directly to
5220         arm_load_pic_register.
5221         * arm-protos.h (arm_load_pic_register): Update prototype.
5223 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
5225         * sh.c (find_sole_member): New function.
5226         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5227         if the record's alignment is larger than the size of its only member.
5229 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
5231         PR target/23436
5232         * arm.c (thumb_legitimize_reload_address): New function.
5233         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5234         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5236 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
5238         * config/crx/crx.c: Implement crx_decompose_address. Reject
5239         symbolic displacements since CRX register relative adressing
5240         mode can't handle unsigned 32-bit values as displacements.
5241         * config/crx/crx.h: Simplify definitions, remove redundant
5242         parenthesis and obsolete macros.
5243         * config/crx/crx.opt: Add new switch for debugging addresses.
5244         * config/crx/crx-protos.h: Add new declarations for above.
5246 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
5248         PR middle-end/20624
5249         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5250         looking past it.
5252 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5254         * collect2.c (dup2): Delete.
5255         * configure.ac: Don't check for dup2.
5257         * config.in, configure: Regenerate.
5259 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
5261         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5262         record with the type of its only member.
5264 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
5266         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5267         define_insn_and_split.
5268         (plus_ltu<mode>_compare): Same.
5269         (gtu<mode>_compare): Same.
5270         (plus_gtu<mode>_compare): Same.
5272 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
5274         PR tree-optimization/22228
5275         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5276         todo_flags_start.
5277         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5278         are recorded in vect_vnames_to_rename for renaming.
5279         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5280         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5281         in vect_vnames_to_rename.
5282         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5283         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5285 2005-08-18  Jan Hubicka  <jh@suse.cz>
5287         PR c++/22034
5288         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5289         info only for local statics, not for member variables.
5291 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5293         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5295 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5297         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5299 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
5301         PR middle-end/16045
5302         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5304 2005-08-17  James E Wilson  <wilson@specifix.com>
5306         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5307         array size check.
5309 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
5311         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5312         (leu<mode>_compare): Same.
5313         (plus_leu<mode>): Same.
5314         (neg_leu<mode>): Same.
5315         (and_neg_leu<mode): Same.
5316         (ltu<mode>_compare): Same.
5317         (plus_ltu<mode>): Same.
5318         (geu<mode>): Same.
5319         (geu<mode>_compare): Same.
5320         (plus_geu<mode>): Same.
5321         (neg_geu<mode>): Same.
5322         (and_neg_geu<mode>): Same.
5323         (plus_gt<mode>): Same.
5324         (gtu<mode>_compare): Same.
5325         (plus_gtu<mode>): Same.
5327 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
5329         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5330         Move call_table_data to end.  Delete spurious .text.
5331         (callt_save_all_interrupt): Fix comment typo.
5333 2005-08-17  James E Wilson  <wilson@specifix.com>
5334             Kevin Winchester  <winchester@amirix.com>
5336         PR target/21684
5337         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5339 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
5341         PR target/23268
5342         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5343         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5345 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
5347         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5348         record with the type of its only member if the modes don't match.
5350         * varasm.c (decode_reg_name): Skip empty additional register names.
5352 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
5354         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5355         lsm_tmp_name_length): New.
5356         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5357         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5359 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5360             Andreas Krebbel  <krebbel1@de.ibm.com>
5362         * config.gcc: Added z9-109 switch.
5363         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5364         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5365         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5366         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5367         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5368         for "z9_109" cpu attribute.
5369         * config/s390/s390.c (z9_109_cost): New processor cost structure.
5370         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5371         (s390_handle_arch_option): Added z9-109 switch.
5372         (override_options): Set respective cost function for z9-109.
5373         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5374         (legitimate_reload_constant_p): Accept extended immediates.
5375         (print_operand): Three new output modifiers added: k, m and o.
5376         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5377         (s390_output_mi_thunk): Use extended immediate when possible.
5378         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5379         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5380         (CONSTRAINT_LEN): Added length of O constraint.
5381         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5382         * config/s390/s390.md ("cpu"): New value z9_109 added.
5383         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5384         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5385         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5386         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5387         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5388         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5389         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5390         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5391         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5392         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5393         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5394         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5395         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5396         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5397         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5398         immediates.
5399         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5400         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5401         insns for TARGET_EXTIMM.
5403 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5405         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5407 2005-08-17  Nick Clifton  <nickc@redhat.com>
5409         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5410         Call default_encode_section_info.
5412 2005-08-17  Steven Bosscher  <stevenb@suse.de>
5414         PR tree-optimization/21574
5415         * tree-ssa-ccp.c (likely_value): If the right hand side is a
5416         constant, return CONSTANT.
5417         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5418         (ccp_fold, visit_assignment): Likewise.
5419         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5421 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
5423         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5424         fold_buildN instead of buildN then fold_initializer or fold.
5425         (build_unary_op): Likewise.
5426         (build_binary_op): Likewise.
5427         * fold-const.c (fold_initializer): Remove.
5428         (fold_build1_initializer): New function.
5429         (fold_build2_initializer): New function.
5430         (fold_build3_initializer): New function.
5431         * tree.h (fold_initializer): Remove.
5432         (fold_build1_initializer): New function.
5433         (fold_build2_initializer): New function.
5434         (fold_build3_initializer): New function.
5436 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
5438         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5439         (try_move_mult_to_index): Call fold_build2 instead of build2.
5440         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5441         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5442         fold_binary_to_constant.
5443         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5444         fold (build.
5445         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5446         check if A == gcd (A, B).  Remove TYPE argument.
5447         (analyze_offset) Use fold_build2 instead of fold (build.
5448         (create_data_ref): Likewise.
5449         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5450         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5451         then fold.
5453 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
5455         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5456         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5458 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
5460         PR tree-opt/23402
5461         * gimplify.c (zero_sized_type): New function.
5462         (gimplify_modify_expr_rhs): If we have a zero sized type,
5463         replace the statement with an empty statement.
5465 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
5467         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5468         fxsave.
5470 2005-08-16  Ian Lance Taylor  <ian@airs.com>
5472         * doc/tm.texi (Label Output): Correct typo.
5474 2005-08-16  Steven Bosscher  <stevenb@suse.de>
5476         PR target/23376
5477         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5478         force_operand will work later on using have_insn_for.
5480 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5482         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5484 2005-08-16  Ian Lance Taylor  <ian@airs.com>
5486         PR c++/23337
5487         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5488         vector type, don't try to construct it element by element.  Add an
5489         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5491 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5493         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5495 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
5497         * doc/invoke.texi (Precompiled Headers): Document some more options
5498         which are known to be safe.
5500 2005-08-16  James E Wilson  <wilson@specifix.com>
5502         PR tree-optimization/21105
5503         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5504         TREE_OVERFLOW check.
5506 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
5508         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5509         (neg_ltu<mode>): Same.
5510         (gtu<mode>): Same.
5511         (neg_gtu<mode>): Same.
5513 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5515         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5516         (fold_builtin_isdigit): Use fold_buildN.
5517         (build_function_call_expr): Likewise.
5518         * c-typeck.c (c_finish_loop): Likewise.
5520 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
5521             Richard Shann <rshann@superh.com>
5523         PR middle-end/20396:
5524         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5526 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
5528         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5530 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
5532         PR target/23355
5533         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5534         arm_compure_save_reg0_reg12_mask to determine when the PIC register
5535         must be saved.
5537 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5539         PR middle-end/23369
5540         * fold-const.c (build_range_check): Disable optimization for function
5541         pointer expressions on targets that require function pointer
5542         canonicalization.
5544 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
5546         * simplify-rtx.c (simplify_const_relational_operation): When
5547         extracting arguments of a COMPARE, recompute the mode as well.
5549 2005-08-15  Ian Lance Taylor  <ian@airs.com>
5551         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5553 2005-08-15  DJ Delorie  <dj@redhat.com>
5555         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5556         the stack.
5557         (movsi_splittable): Allow, but split, moves to the stack.
5558         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5559         stack.
5561 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5563         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5564         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5565         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5567         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5568         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5569         Delete HOST_PTR_PRINTF.
5571         * configure, config.in: Regenerate.
5573 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
5575         * config/rs6000/rs6000.md (QHSI): New mode macro.
5576         (wd): Extend mode attr for QImode and HImode
5577         (dbits): New mode attr.
5578         (zero_extend<mode>di2): Convert to mode macro.
5580 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
5582         PR target/21841
5583         * doc/invoke.texi (-mgnu-ld): Update description.
5584         (-mhp-ld): Ditto.
5586 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
5588         PR 23391
5589         * Makefile.in (tree-chrec.o): Depends on real.h.
5590         * tree-chrec.c: Include real.h.
5591         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5592         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5593         * tree-scalar-evolution.c (add_to_evolution_1,
5594         interpret_rhs_modify_expr): Ditto.
5596 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
5598         PR 23386
5599         * tree-data-ref.c (estimate_niter_from_size_of_data): When
5600         step is negative compute the estimation from init downwards to zero.
5602 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
5604         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5606 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
5608         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5609         constraint.
5610         (legitimate_reload_constant_p): Fix handling of lliXX operands.
5611         Accept double-word constants that can be split.
5612         * config/s390/s390.md ("movti"): Use 'P' constraint.
5613         ("*movdi_31", "*movdf_31"): Likewise.
5615 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
5617         Fix PR tree-optimization/22615
5619         * tree-ssa-structalias.c (solution_set_add): Handle
5620         first_vi_for_offset returning NULL.
5621         (do_da_constraint): Ditto.
5622         (do_sd_constraint): Ditto.
5623         (do_ds_constraint): Ditto
5624         (find_func_aliases): Ditto.
5625         (build_constraint_graph): RHS is allowed be ANYTHING.
5626         (first_vi_for_offset): Return NULL if we couldn't find anything at
5627         the offset.
5629 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
5631         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5632         over memory as first operand.
5634 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
5636         PR target/23360
5637         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5638         available for setting it.
5640 2005-08-14  Ira Rosen  <irar@il.ibm.com>
5642         PR tree-optimization/23320
5643         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5644         data-refs' types instead of base object nullness. Add check for
5645         pointer type data-refs before first location comparison. Remove
5646         assert.
5648 2005-08-14  Andreas Schwab  <schwab@suse.de>
5650         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5652 2005-08-13  James E Wilson  <wilson@specifix.com>
5654         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5655         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5656         -fstack-protector-all, --param ssp-buffer-size): Document.
5657         (-Wvariadic-macros): Alphabetize.
5658         (-fsched-stalled-insns-dep): Add missing 'f'.
5660         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5661         macros.
5663 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
5665         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5666         or indirect address operand.
5667         (EXTRA_ADDRESS_CONSTRAINT): New.
5668         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5670 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
5672         PR tree-optimization/22236
5673         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5674         successors and predecessors.
5675         * tree-chrec.c (chrec_convert): Before converting, check that
5676         sequences don't wrap.
5677         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5678         (analyze_array): Extern.
5679         (find_data_references_in_loop): Remove call to
5680         compute_estimated_nb_iterations.
5681         * tree-data-ref.h (analyze_array): Declared.
5682         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5683         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5684         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5685         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5686         condition.
5687         * tree-ssa-loop-ivcanon.c: Fix documentation.
5688         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5689         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5690         (infer_loop_bounds_from_undefined): New.
5691         (estimate_numbers_of_iterations_loop): Use
5692         infer_loop_bounds_from_undefined.
5693         (used_in_pointer_arithmetic_p): New.
5694         (scev_probably_wraps_p): Pass an extra parameter.  Call
5695         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
5696         (convert_step): Fix documentation.
5697         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5698         Use initial_condition_in_loop_num and evolution_part_in_loop_num
5699         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
5700         scev_probably_wraps_p.
5702 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
5704         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5705         (s390_register_info): Ignore clobbered_regs information for fixed
5706         registers, and only fixed registers.
5707         (s390_init_frame_layout): Remove redundant call.
5709 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
5711         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5712         description of -Wold-style-casts.
5714 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5715             Jakub Jelinek  <jakub@redhat.com>
5717         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5718         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5719         * config/s390/s390.c (print_operand): New output modifier 'G' added.
5720         (get_thread_pointer): Renamed to s390_get_thread_pointer.
5721         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5722         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5723         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5724         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5725         ("stack_protect_set", "stack_protect_test"): New expanders.
5726         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5727         "stack_protect_testdi"): New insn definitions.
5729 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5731         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5733 2005-08-12  Paul Brook  <paul@codesourcery.com>
5735         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5737 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5739         * config/s390/predicates.md (setmem_operand): New predicate.
5740         (shift_count_operand): Accept ANDs with special constants as
5741         operand.
5742         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5743         with special constants.
5744         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5745         shift_count_operand with setmem_operand.
5747 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5749         * config/s390/s390.c (s390_extract_part, s390_single_part):
5750         Type cast added.
5751         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5752         (s390_output_mi_thunk): Don't use lg on 31 bit.
5753         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5754         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5756 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5758         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5759         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5760         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5761         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5762         with one of the new macros.
5764 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5766         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5767         Don't set save_return_addr_p.
5768         (s390_register_info): Make clobbered_regs not depending on
5769         save_return_addr_p.
5771 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
5773         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5774         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5776 2005-08-11  James E. Wilson  <wilson@specifix.com>
5778         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5780 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
5782         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5783         locations gathered by var-tracking in single entry loc_list
5784         over loc_descriptor_from_tree.
5786         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5787         pass it down to loc_descriptor.
5788         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5789         (containing_function_has_frame_base): Move earlier in the file.
5790         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5791         instead of always assuming fbreg can't be used.
5793 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
5795         * config/rs6000/altivec.md: Change constraint "m" to "Z".
5796         * config/rs6000/predicates.md (indexed_or_indirect_operand):
5797         Accept address wrapped in AND for Altivec.
5798         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5799         Strip AND wrapping offset address for Altivec.
5801 2005-08-11  Richard Henderson  <rth@redhat.com>
5803         PR middle-end/23312
5804         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5805         before using TYPE_IS_SIZETYPE.
5807 2005-08-11  Richard Henderson  <rth@redhat.com>
5809         PR target/22225
5810         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5811         insn types not present on ev4.
5812         (alphaev5_insn_pipe): Similarly.
5814 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5816         PR target/23250
5817         * arm.c (arm_override_options): If the user has selected callee-super-
5818         interworking, then enable normal interworking.
5820 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5822         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5823         redefinition.
5825 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
5827         * doc/rtl.texi: Fix two typos.
5829 2005-08-11  Richard Guenther  <rguenther@suse.de>
5831         PR target/23289
5832         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5833         cases where we call to/from functions returning void.
5835 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
5837         PR c++/23225
5838         * tree.c (build_pointer_type_for_mode): Robustify.
5840 2005-08-10  James E Wilson  <wilson@specifix.com>
5842         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5843         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5845         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5846         "cum->".
5848 2005-08-10  Eric Christopher  <echristo@apple.com>
5850         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5851         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5852         V2DFmode.
5854 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
5856         PR target/21887
5857         * config/darwin.c (machopic_indirect_data_reference): Use a new register
5858         for the high part when generating dynamic-no-pic code.
5860 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5862         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5863         (x86_64-*-linux*): Likewise.
5865         * config/i386/crtfastmath.c: New file.
5866         * config/i386/t-crtfm: Likewise.
5868         * config/i386/linux.h (ENDFILE_SPEC): New.
5869         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5871         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5872         crtfastmath.o.
5874 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
5876         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5877         (vec_shl, vec_shr): Document new operations.
5878         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5880 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
5882         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5883         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5884         change predicate to indexed_or_indirect_address.
5886 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
5888         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5889         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5890         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5891         and __aeabi_uwrite8.
5892         * config/arm/unaligned-funcs.c: New file.
5893         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5895 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
5897         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5898         Add dump.
5899         * cfglayout.c (pass_insn_locators_initialize): Add dump.
5900         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5901         Add dump.
5902         * except.c (pass_convert_to_eh_region_ranges): Add dump.
5903         * final.c (pass_shorten_branches): Add dump.
5904         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5905         (pass_life): Rename dump.
5906         (rest_of_handle_flow2): Remove initial verify_flow_info.
5907         * function.c (pass_instantiate_virtual_regs): Add dump.
5908         * integrate.c (pass_initial_value_sets): Add dump.
5909         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5910         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5911         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5912         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5913         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5914         gate_rtl_unrool_and_peel_loops): New.
5915         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5916         rtl_doloop): Do not look at flags.
5917         * mode-switching.c (pass_mode_switching): Add dump.
5918         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
5919         pass_split_before_regstack): Add dump.
5920         * regmove.c (pass_stack_adjustments): Add dump.
5921         * tree-optimize.c (pass_fixup_cfg): Add dump.
5923 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5925         PR 23309
5926         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
5927         deciding which instruction sequence to use.
5929 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
5931         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
5932         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
5934 2005-08-09  Richard Guenther  <rguenther@suse.de>
5936         * c-common.c (builtin_function_2): Remove.
5937         (def_builtin_1): New function.
5938         (c_common_nodes_and_builtins): Use def_builtin_1 to
5939         build builtin functions.
5941 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
5943         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
5944         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5945         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
5946         Visual DSP.
5948 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
5950         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
5951         fold_binary instead of fold_build2 since we don't care about the
5952         resulting tree.
5953         (loop_niter_by_eval): Likewise.
5954         (compare_trees): Likewise.
5955         (proved_non_wrapping_p): Likewise.
5957 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
5959         PR c/23161
5960         PR c/23165
5961         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5962         if the if is really empty.
5964 2005-08-09  Steven Bosscher  <stevenb@suse.de>
5966         PR tree-optimization/23234
5967         * tree-ssa-math-opts.c (place_reciprocal): New enum.
5968         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
5969         argument of the new enum.
5970         (execute_cse_reciprocals): Add reciprocals for function arguments
5971         on the unique successor edge of the entry block.  Update other calls
5972         to execute_cse_reciprocals_1.
5974 2005-08-08  Richard Henderson  <rth@redhat.com>
5976         PR 22439
5977         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
5979 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
5981         * expr.c (write_complex_part): Return after handling MEM.
5983 2005-08-08  Josh Conner  <jconner@apple.com>
5985         PR rtl-optimization/23241
5986         * combine.c (simplify_comparison): Fix error in determining
5987         whether to lift a subreg from comparison.
5989 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
5991         PR target/18506
5992         * config/rs6000/altivec.md (vec_init<mode>): New.
5993         (vec_set<mode>): New.
5994         (vec_extract<mode>): New.
5995         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
5996         (rs6000_expand_vector_set): New.
5997         (rs6000_expand_vector_extract): New.
5998         (rs6000_legitimate_offset_address_p): Offset addresses are valid
5999         for Altivec modes before reload.
6000         (altivec_expand_vec_init_builtin): New.
6001         (get_element_number): New.
6002         (altivec_expand_vec_set_builtin): New.
6003         (altivec_expand_vec_ext_builtin): New.
6004         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6005         builtins.
6006         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6007         builtins.
6008         * config/rs6000/rs6000.h (rs6000_builtins): Add
6009         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6010         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6011         * config/rs6000/rs6000-protos.h: Declare new functions.
6013 2005-08-08  Jan Hubicka  <jh@suse.cz>
6015         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6016         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6017         * i386.md (movdi*): Use pic_32bit_operand.
6018         * predicates.md (pic_32bit_operand): New.
6020 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
6022         PR c++/21166
6023         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6025 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
6027         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6028         (test_for_singularity): Use fold_build2.
6030 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6032         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6034 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
6036         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6037         (COMMON_ASM_OP) Define.
6038         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6039         (ix86_encode_section_info): Likewise.
6040         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6041         SUBTARGET_ENCODE_SECTION_INFO.
6043 2005-08-06  Richard Henderson  <rth@redhat.com>
6045         PR 21894
6046         * tree-nested.c (convert_local_reference): Save and restore val_only
6047         around component_ref and friends.  Clear walk_subtrees by default.
6049 2005-08-06  Peter O'Gorman  <peter@pogma.com>
6051         PR 21366
6052         * gcc.c (process_command): Check the argument to -b has a dash.
6053         * doc/invoke.texi: Update -b and -V docs.
6055 2005-08-06  James E Wilson  <wilson@specifix.com>
6057         * config/mips/cross64.h, config/mips/t-cross64: Delete.
6059 2005-08-06  Michael Matz  <matz@suse.de>
6061         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6062         member only if only one insn is associated with the value.
6064 2005-08-06  Nick Clifton  <nickc@redhat.com>
6066         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6067         New define.
6068         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6069         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6070         Check symbol flags instead of symbol name mangling.
6071         (xstormy16_asm_output_aligned_common): Likewise.  Also
6072         simplify code since the bss100_section cass is the only case
6073         where the below100 code will be triggered.
6074         (xstormy16_encode_section_info): Encode below100 attribute
6075         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6076         the name.
6077         (xstormy16_strip_name_encoding): Delete - this function is no
6078         longer needed.
6079         (TARGET_STRIP_NAME_ENCODING): Undefine.
6080         * config/stormy16/stormy16-protos.h: Delete prototype for
6081         xstormy16_strip_name_encoding.
6083 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
6085         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6086         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6087         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6088         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6089         config/alpha/predicates.md, config/arc/arc.h,
6090         config/arm/arm.h, config/arm/ieee754-df.S,
6091         config/arm/ieee754-sf.S, config/bfin/bfin.c,
6092         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6093         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6094         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6095         config/m68hc11/m68hc11.h, config/mips/mips.c,
6096         config/mips/mips.h, config/mips/openbsd.h,
6097         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6098         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6099         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6100         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6101         config/sparc/linux.h, config/sparc/linux64.h,
6102         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6103         doc/extend.texi, doc/gcov.texi, doc/install.texi,
6104         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6105         typos.  Follow spelling conventions.
6107 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
6109         PR c/23113
6110         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6111         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6112         specially.  Check for side effects only for COND_EXPR.
6113         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6114         return with TREE_NO_WARNING.
6116 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
6118         PR rtl-optimization/23233
6119         * loop.c (combine_movables): Require the modes to be the same.
6120         (move_movables): Remove handling of cases where the replacement
6121         had a different mode to the original.
6123 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
6125         PR tree-optimization/23128
6126         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6127         subtraction wrap, and set TREE_OVERFLOW if they do.
6129 2005-08-05  Richard Henderson  <rth@redhat.com>
6131         PR 21728
6132         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6133         FORCED_LABEL labels.
6135 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
6137         PR middle-end/23135
6138         * reload.c (find_reloads_subreg_address): Pass down TYPE
6139         unchanged.  Change all callers except find_reloads_toplev.
6141 2005-08-05  Michael Matz  <matz@suse.de>
6143         * genattrtab.c (current_alternative_string): Remove.
6144         (SIMPLIFY_ALTERNATIVE): Ditto.
6145         (attr_alt_bit_p): Ditto.
6146         (alternative_name): Make const char *.
6147         (evaluate_eq_attr): Remove use of above things.
6148         (simplify_test_exp): Ditto.
6149         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6150         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6152 2005-08-04  James E Wilson  <wilson@specifix.com>
6154         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6155         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6156         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6157         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6158         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6160 2005-08-04  Richard Henderson  <rth@redhat.com>
6162         PR 21529
6163         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6164         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6165         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
6166         if we'd have to instantiate too many members.
6168 2005-08-04  Richard Henderson  <rth@redhat.com>
6170         PR 21291
6171         * tree-outof-ssa.c (coalesce_asm_operands): New.
6172         (coalesce_ssa_name): Use it.  Split out ...
6173         (coalesce_phi_operands, coalesce_result_decls): ... these.
6175 2005-08-04  Paul Brook  <paul@codesourcery.com>
6177         * read-rtl.c (read_quoted_string): Break if EOF.
6179 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
6181         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6182         (fold_build2): Likewise.
6183         (fold_build3): Likewise.
6184         (fold_build1_stat): New function prototype.
6185         (fold_build2_stat): Likewise.
6186         (fold_build3_stat): Likewise.
6187         * fold-const.c (fold_build1): Rename to ..
6188         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6189         through to build1_stat.
6190         (fold_build2): Rename to ..
6191         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6192         through to build2_stat.
6193         (fold_build3): Rename to ..
6194         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6195         through to build3_stat.
6197 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
6198             Ian Lance Taylor  <ian@airs.com>
6200         * function.c (assign_stack_local_1): Do not correct stack slot
6201         address if allocation size is smaller than mode size.
6203 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
6205         PR 22037
6206         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6207         (tree_merge_blocks): Propagate anything allowed by
6208         may_propagate_copy.
6209         Clarify documentation.
6210         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6211         SSA form, schedule an update if necessary.
6213 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
6215         * doc/install.texi (Binaries): Remove broken link to
6216         Sinix/Reliant Unix binaries.
6218 2005-08-03  Richard Henderson  <rth@redhat.com>
6220         PR 23221
6221         * function.c (stack_protect_epilogue): Export.
6222         * tree.h (stack_protect_epilogue): Declare.
6223         * calls.c (expand_call): Call it.
6225 2005-08-03  Eric Christopher  <echristo@apple.com>
6227         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6228         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6229         spec.
6231 2005-08-04  Jan Hubicka  <jh@suse.cz>
6233         * profile.c (branch_prob): Split edges with goto locus on them
6234         to get proper line counts.
6235         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6237 2005-08-03  Paul Brook  <paul@codesourcery.com>
6239         * function.c (assign_parms): Round current_function_args_size
6240         to PARM_BOUNDARY, not STACK_BOUNDARY.
6242 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
6244         * config/i386/i386.c (x86_elf_aligned_common)
6245         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6247 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
6249         PR tree-optimization/23157
6250         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6251         before emitting them.
6253 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6255         PR tree-optimization/19899
6256         * Makefile.in (tree-scalar-evolution.o): Add real.h.
6257         * tree-scalar-evolution.c: Include real.h.
6258         (add_to_evolution): Build constant -1 of correct type.
6260 2005-08-03  Jan Hubicka  <jh@suse.cz>
6262         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6263         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6264         profile updating for complette unrolling.
6265         * loop-unroll.c (peel_loop_completely): Use it.
6266         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6267         (tree_unroll_loops_completely): Disable code growing unrolling of cold
6268         loops.
6270 2005-08-03  Paul Brook  <paul@codesourcery.com>
6272         * combine.c (can_change_dest_mode): New function.
6273         (try_combine, simplify_set): Use it.
6275 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
6277         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6278         TFmode to BLKmode.
6280 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
6282         * doc/install.texi (Specific): Adjust link to openavr.org.
6283         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6284         (Binaries): Adjust HP-UX Porting Center link.
6285         (Binaries): Adjust Free Software Foundation ordering link.
6287 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
6289         * convert.c (convert_to_integer): Use fold_build1 instead of
6290         build1 when converting an integer to an integer.
6292 2005-08-02  Richard Henderson  <rth@redhat.com>
6294         * combine.c (combine_instructions): Don't use reg_equal/equiv
6295         results if the mode doesn't match.
6297 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
6299         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6300         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6302 2005-08-02  Richard Henderson  <rth@redhat.com>
6304         PR 23196
6305         * explow.c (memory_address): Remove special-case for
6306         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6308 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
6310         PR 23164
6311         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6312         number of calls to cleanup_tree_cfg_1.
6314 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
6316         * doc/invoke.texi: document file extensions .F90 and .F95
6318 2005-08-02  Richard Guenther  <rguenther@suse.de>
6320         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6321         positive if its first argument is positive.
6323 2005-08-02  Richard Guenther  <rguenther@suse.de>
6325         PR tree-optimization/23177
6326         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6327         on TMR_TAG.
6329 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
6331         PR tree-optimization/23129
6332         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6333         varying for divisions with anti-ranges.
6335 2005-08-02  Jan Hubicka  <jh@suse.cz>
6337         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6338         * tree-ssa-threadupdate.c (thread_block): Add it here.
6340 2005-08-01  James E Wilson  <wilson@specifix.com>
6342         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6343         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6344         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6345         New.
6346         * config/mips/predicates.md (const_call_insn_operand): Add check for
6347         SYMBOL_REF_LONG_CALL_P.
6348         * doc/extend.texi (long_call): Document the new attribute.
6350 2005-08-01  Ian Lance Taylor  <ian@airs.com>
6351             Richard Henderson  <rth@redhat.com>
6353         * Makefile.in (RTL_BASE_H): Add real.h.
6354         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6355         instead of memcpy.
6356         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6357         directly.
6358         * rtl.c (rtl_check_failed_code_mode): New.
6359         * rtl.h (struct rtx_def): Add u.rv.
6360         (XCMWINT, XCNMPRV): New.
6361         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6362         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6364 2005-08-01  Richard Henderson  <rth@redhat.com>
6366         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6367         with auto-inc codes.
6369         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6371 2005-08-01  Jan Hubicka  <jh@suse.cz>
6373         * i386-protos.h (asm_preferred_eh_data_format): Declare.
6374         * i386.c: Include dwarf2.h
6375         (asm_preferred_eh_data_format): New.
6376         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6378 2005-08-01  Ian Lance Taylor  <ian@airs.com>
6380         * config/host-linux.c (linux_gt_pch_get_address): Add new name
6381         randomize_va_space for virtual address randomization control.
6383 2005-08-01  Steven Bosscher  <stevenb@suse.de>
6385         * common.opt (flag_ipa_cp): Put in right place to maintain
6386         alphabetic sort.
6388 2005-08-01  Jan Hubicka  <jh@suse.cz>
6390         * profile.c (compute_value_histograms): Fix thinko.
6391         * value-prof.c: Include toplev.h
6392         (check_counter): New function.
6393         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6394         tree_mod_subtract_transform): Add sanity check.
6396 2005-08-01  Richard Guenther  <rguenther@suse.de>
6398         PR tree-optimization/23133
6399         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6400         current functions parameter decls to find defs to cse
6401         reciprocals of.
6403 2005-08-01  Richard Guenther  <rguenther@suse.de>
6405         PR tree-optimization/23109
6406         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6407         If trapping math is in effect, use post-dominator information
6408         to check if we'd in any case reach a trapping point before
6409         doing the reciprocal insertion.
6410         (execute_cse_reciprocals): Compute post-dominators, if necessary.
6411         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6412         expressions are invariant only if trapping math is not in effect.
6414 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
6416         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6417         cgraph_function_versioning): New declarations.
6418         * cgraphunit.c: Add include to ipa-prop.h.
6419         (update_call_expr, cgraph_copy_node_for_versioning,
6420         cgraph_function_versioning): New functions.
6421         * integrate.c (copy_decl_for_inlining): Remove.
6422         * ipa-prop.h (ipa_replace_map): New struct.
6423         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6424         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6425         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6426         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6427         ipcp_iterate_stage, ipcp_method_scale_print,
6428         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6429         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6430         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6431         ipcp_update_bb_counts, ipcp_update_profiling,
6432         ipcp_update_edges_counts): New functions.
6433         (ipcp_method_cval_init): Remove restriction regarding local methods.
6434         (ipcp_init_stage): Add ipcp_method_compute_scale.
6435         (ipcp_insert_stage): Add versioning.
6436         (ipcp_structures_print): Add ipcp_method_scale_print.
6437         (ipcp_driver): Dump profiling info.
6438         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6439         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6440         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6441         (struct inline_data): Add versioning_p, ipa_info, new fields.
6442         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6443         declare_return_variable): Replace calls to copy_decl_for_inlining with
6444         copy_decl_for_dup.
6445         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6446         versioning support.
6447         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6448         Add argument VERSIONING.
6449         (copy_arguments_for_versioning, copy_static_chain,
6450         function_versionable_p, tree_versionable_function_p,
6451         tree_function_versioning, replace_ref_tree): New functions.
6452         * tree-inline.h: Include varray.h.
6453         (tree_versionable_function_p,  tree_function_versioning,
6454         tree copy_decl_for_dup): New declarations.
6456 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
6458         * ipa-cp.c: New file. Contains IPCP specific functionality.
6459         * ipa-prop.h: New file. Contains structures/definitions that can be
6460         used by several interprocedural data flow optimizations (and also IPCP).
6461         * ipa-prop.c: New file.
6462         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6463         * common.opt: Add ipa-cp flag.
6464         * timevar.def: Add IPCP optimization.
6465         * tree-optimize.c (init_tree_optimization_passes): Schedule
6466         pass_ipa_cp.
6467         * tree-pass.h (pass_ipa_cp): Declare.
6469 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
6471         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6472         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6473         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6474         config/i386/i386.c, config/mips/mips.h,
6475         config/rs6000/rs6000.h, config/sh/sh.c,
6476         config/stormy16/stormy16.c: Fix comment typos.
6478 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
6480         PR c/22311
6481         * c-typeck.c (build_binary_op): Use common_type wrapper on
6482         shortened types.
6483         (common_type): Update comment.
6485 2005-07-31  Steven Bosscher  <stevenb@suse.de>
6487         PR target/23095
6488         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6489         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6490         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6492 2005-07-31  Jan Hubicka  <jh@suse.cz>
6494         * pretty-print.h (pp_widest_integer): New macro.
6495         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6496         counts.
6498 2005-07-31  Jan Hubicka  <jh@suse.cz>
6500         * output.h (enum section_category): Export from varasm.c
6501         (categorize_decl_for_section): Likewise.
6502         * varasm.c (enum section_category): Kill.
6503         (categorize_decl_for_section): Make global.
6504         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6505         Declare.
6506         * i386.c (ix86_section_threshold): New static variable.
6507         (ix86_in_large_data_p, ix86_encode_section_info,
6508         x86_64_elf_unique_section,
6509         x86_64_elf_select_section): New functions.
6510         (TARGET_ENCODE_SECTION_INFO): Define
6511         (override_options): Enable medium model for PIC.
6512         (ix86_expand_prologue): Expand gen_set_got_rex64.
6513         (legitimate_constant_p): Handle new UNSPECs.
6514         (legitimate_pic_address_disp_p): Likewise.
6515         (legitimize_pic_address): Lower MEDIUM model addressing.
6516         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6517         (enum cmodel): Add MEDIUM_PIC.
6518         (SYMBOL_REF_FAR_ADDR_P): New macro.
6519         (SYMBOL_FLAG_FAR_ADDR): New flag.
6520         * i386.md (movdi): Support medium model.
6521         (set_got_rex64): New pattern.
6522         * i386.opt (mlarge-data-threshold): New flag.
6523         * predicates.md (zext_operand/sext_operand): Deal with medium model.
6524         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6525         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6526         TARGET_ASM_UNIQUE_SECTION): New.
6528         * invoke.texi (-mlarge_data_threshold): Document
6530 2005-07-31  Jan Hubicka  <jh@suse.cz>
6532         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6533         (coalesce_vars): Likewise.
6534         * tree-ssa-live.c (coalesce_cost): New.
6535         (build_tree_conflict_graph): Use coalesce_cost.
6536         * tree-ssa-live.h (coalesce_cost): Declare.
6538 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
6540         * arm.md (all peepholes for post-increment operations): Delete.
6541         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6542         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6543         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6544         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6545         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6547 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
6549         * fold-const.c (tree_expr_nonnegative_p): Always return true for
6550         non-integral types.
6552 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
6554         PR target/22582
6555         * doc/invoke.texi: Document -rdynamic.
6557 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
6559         PR c/23143
6560         * c-parser.c (c_parser_parms_list_declarator): Call
6561         mark_forward_parm_decls.
6562         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6563         decls with visibility structure.
6565 2005-07-30  Paul Brook  <paul@codesourcery.com>
6567         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6569 2005-07-30  Paul Brook  <paul@codesourcery.com>
6571         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6572         prototype.
6573         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6574         value for mode.
6575         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6577 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6579         PR c/529
6580         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6581         nested function declarators.
6582         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6583         (grokparms): Call warn_if_shadowing for parameters used within the
6584         parameter list.
6585         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6586         not used within the parameter list.
6587         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6589 2005-07-30  Jan Hubicka  <jh@suse.cz>
6591         * expr.c (expand_expr_real_1): Do not load mem targets into register.
6592         * i386.c (ix86_fixup_binary_operands): Likewise.
6593         (ix86_expand_unary_operator): Likewise.
6594         (ix86_expand_fp_absneg_operator): Likewise.
6595         * optabs.c (expand_vec_cond_expr): Validate dest.
6597 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6599         PR c/21720
6600         * real.c (real_from_string): Also set last bit if there is a
6601         nonzero hex digit beyond GCC's internal precision after ".".
6603 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
6605         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6606         define_constants.  Change duplicate values to unassigned numbers.
6607         Change UNSPEC_SUBS to UNSPEC_VSUBS.
6608         (*altivec_vspltsf): New.
6609         (altivec_vperm_v4sf): Delete.
6610         (altivec_vperm_<mode>): Use mode macro V.
6611         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6612         (altivec_predicate_v4sf): Delete.
6613         (altivec_predicate_<mode>): Use mode macro V.
6614         (*altivec_lvesfx): New.
6615         (*altivec_stvesfx): New.
6616         (vec_realign_load_v4sf): Delete.
6617         (vec_realign_load_<mode>): Use mode macro V.
6618         * config/rs6000/rs6000.c (generate_set_vrsave): Use
6619         UNSPECV_SET_VRSAVE.
6621 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
6623         PR bootstrap/23131
6624         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6625         string.
6626         * configure: Regenerated.
6628 2005-07-29  Paul Brook  <paul@codesourcery.com>
6630         * doc/install.texi: Add link to GFortran binaries wiki page.
6632 2005-07-29  David Ung  <davidu@mips.com>
6634         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6635         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6636         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6637         * config/mips/mips.md (cpu): Add 5kf name.
6638         (includes): Includes 5k.md.
6639         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6640         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6641         -march flag.
6643 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
6645         PR 22550
6646         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6647         (cleanup_tree_cfg): ... here.
6648         Call cleanup_tree_cfg_1 until there are no more cleanups to
6649         do.
6651 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
6653         * tree-vrp.c (compare_range_with_value): Return true or false
6654         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6655         EQ_EXPR respectively.
6657 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
6659         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6660         Fix comment typos.
6662 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
6664         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6665         (tree_ssa_dominator_optimize): Increment it.
6666         (dump_dominator_optimization_stats): Print it.
6668 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
6669             Steven Bosscher  <stevenb@suse.de>
6671         PR rtl-optimization/23117
6672         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6673         when head == tail.  Tidy comment.
6675 2005-07-28  Richard Henderson  <rth@redhat.com>
6677         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6678         * cselib.c (rtx_equal_for_cselib_p): Likewise.
6679         * jump.c (rtx_renumbered_equal_p): Likewise.
6680         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6681         CONST_INT and CONST_DOUBLE.
6682         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6683         * reload.c (operands_match_p): Special case CONST_INT and
6684         CONST_DOUBLE; check mode earlier.
6686 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6688         PR c/22240
6689         * c-typeck.c (convert_for_assignment): Do not check
6690         DECL_IN_SYSTEM_HEADER on NULL fundecl.
6692 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6694         PR c/22192
6695         * c-typeck.c (composite_type): Prefer constant size arrays to
6696         VLAs.
6698 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6700         PR c/21720
6701         * real.c (real_from_string): Set last bit if there is a nonzero
6702         hex digit beyond GCC's internal precision.
6704 2005-07-28  Richard Henderson  <rth@redhat.com>
6706         PR rtl-opt/22619
6707         * cfgcleanup.c (try_forward_edges): Watch out for end of
6708         insn chain.
6710 2005-07-28  James E Wilson  <wilson@specifixinc.com>
6712         PR c/23106
6713         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6715 2005-07-28  Jan Hubicka  <jh@suse.cz>
6717         * Makefile.in (rtl-profile.o): Kill all traces of it.
6718         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6719         * coverage.h (rtl_coverage_counter_ref): Kill.
6720         * opts.c (flag_speculative_prefetching_set): Kill.
6721         (flag_loop_optimize_set): New.
6722         (common_handle_option): Disable loop optimizer when profiling;
6723         do not handle speculative prefetching.
6724         * passes.c (init_optimization_passes): Replace pass_profiling combo
6725         by branch_prob pass.
6726         * profile.c (compute_value_histograms): Update for simplified value
6727         profiles.
6728         (rtl_register_profile_hooks): Kill.
6729         (pass_profiling): Kill.
6730         (rest_of_handle_branch_prob): Do not profile.
6731         * toplev.c (process_options): Remove speculative prefetching.
6732         * toplev.h (flag_tree_based_profiling): Kill.
6733         * tree-profile.c (prepare_instrumented_value,
6734         tree_gen_interval_profiler, tree_gen_pow2_profiler,
6735         tree_gen_one_value_profiler, do_tree_profiling): Update for
6736         simplified datastructures.
6737         * value-prof.c: Add comment that speculative prefetching was dropped;
6738         update rest of file for simplified datastructures.
6739         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6740         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6741         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6742         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6743         rtl_mod_subtract, gen_speculative_prefetch,
6744         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6745         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6746         (gate_handle_value_profile_transformations,
6747         rest_of_handle_value_profile_transformations,
6748         pass_value_profile_transformations): Kill.
6749         * value-prof.h (histogram_value_t): Remove IL based unions.
6750         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6751         rtl_profile_hooks): Remove hooks.
6753         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6755         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6756         (cgraph_clone_node): Likewise.
6757         * cgraph.h (cgraph_clone_edge): Update prototype.
6758         (cgraph_clone_node): Likewise.
6759         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6760         cgraph_clone_node.
6761         (lookup_recursive_calls): Consider profile.
6762         (cgraph_decide_recursive_inlining): Fix updating; use new
6763         probability argument; use profile.
6764         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6765         * tree-inline.c (copy_bb): Update clal of clone_edge.
6766         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6768         * invoke.texi (min-inline-recursive-probability): Document.
6770 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
6772         * doc/install.texi (Configuration): Update Valgrind homepage.
6774 2005-07-28  Richard Henderson  <rth@redhat.com>
6776         PR middle-end/21362
6777         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6778         labels we want to delete.
6779         (cfg_layout_merge_blocks): Likewise.
6781 2005-07-28  Richard Henderson  <rth@redhat.com>
6783         PR target/17692
6784         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6785         when expanding to nothing.
6787 2005-07-28  Josh Conner  <jconner@apple.com>
6789         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6790         (cgraph_decide_inlining_of_small_functions): Likewise.
6792 2005-07-28  Josh Conner  <jconner@apple.com>
6794         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
6795         direction of badness if negative.
6796         (cgraph_default_inline_p): Add reason to parameters, and assign it
6797         a value.
6798         (cgraph_decide_inlining_of_small_functions): New parameter in call
6799         to cgraph_default_inline_p.
6800         (cgraph_decide_inlining_incrementally): Likewise.
6801         * cgraphunit.c (decide_is_function_needed): Likewise.
6802         * cgraph.h (cgraph_default_inline_p): Likewise.
6804 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6806         * builtins.c: Fix comment typo(s).
6807         * genautomata.c: Likewise.
6808         * gimplify.c: Likewise.
6809         * tree-dfa.c: Likewise.
6810         * tree-flow-inline.h: Likewise.
6811         * tree-into-ssa.c: Likewise.
6812         * tree-ssa-alias.c: Likewise.
6813         * tree-ssa-ccp.c: Likewise.
6814         * tree-ssa-copy.c: Likewise.
6815         * tree-ssa-dce.c: Likewise.
6816         * tree-ssa-dom.c: Likewise.
6817         * tree-ssa-operands.c: Likewise.
6818         * tree-tailcall.c: Likewise.
6819         * tree-vectorizer.c: Likewise.
6820         * tree-vrp.c: Likewise.
6821         * tree.c: Likewise.
6823 2005-07-28  Jeff Law  <law@redhat.com>
6825         * tree-vrp.c (test_for_singularity): Extracted from  ...
6826         (simplify_cond_using_ranges): Attempt to simplify a relational
6827         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
6829 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
6831         PR tree-optimization/22506
6832         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6833         phis whose argument is constant.
6835 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
6837         PR rtl-optimization/18992
6838         Back out this patch:
6839           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6840           PR optimization/12142
6841           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6842           uses of the register in the SET_SRC.  Remove unnecessary argument.
6844         Replace it with this:
6845         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6846         if flag_non_call_exceptions is set and the insn may trap, pass
6847         pc_rtx as dest for recursion.
6848         In SET_SRC part of SET case, if dest is already set, pass it down
6849         unchanged.
6851 2005-07-28  Jan Hubicka  <jh@suse.cz>
6853         * cfg.c (update_bb_profile_for_threading): Use RDIV.
6854         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6855         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6856         roundoff errors.
6857         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6858         profile when available.
6860 2005-07-28  Jan Beulich <jbeulich@novell.com>
6862         * config/ia64/ia64.c (ia64_load_pair_ok): New.
6863         (ia64_print_operand): Describe and handle 'X'.
6864         (ia64_register_move_cost): Also handle FP_REGS.
6865         (ia64_preferred_reload_class): Likewise.
6866         (ia64_secondary_reload_class): Likewise.
6867         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6868         it. Also check for ITANIUM_CLASS_FLDP.
6869         * config/ia64/ia64.h (FP_REGNO_P): New.
6870         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6871         (reg_class): Add FP_REGS.
6872         (REG_CLASS_NAMES): Adjust for it.
6873         (REG_CLASS_CONTENTS): Likewise.
6874         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6875         (REG_CLASS_FROM_LETTER): Handle 'x'.
6876         (CLASS_MAX_NREGS): Handle FP_REGS.
6877         (MEMORY_MOVE_COST): Likewise.
6878         * config/ia64/ia64.md (itanium_class): Add fldp.
6879         (type): Handle fldp.
6880         (movti_internal): More allowable operand combinations. Use ldfp8 when
6881         splitting unnecessary. Remove predicable attribute. Adjust
6882         itanium_class attribute.
6883         (smuldi3_highpart): Remove outdated comment.
6884         (mulditi3, umulditi3, rotlti3): New expanders.
6885         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6886         (absti2): Disabled new insn for future reference.
6887         Respective new splitters.
6888         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6889         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6890         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6892 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
6894         PR rtl-optimization/23047
6895         * simplify-rtx.c (simplify_const_relational_operation): Respect
6896         flag_wrapv for comparisons with ABS.
6898 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
6900         PR tree-optimization/22493
6901         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6902         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6904 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
6906         * config/frv/frv.opt (moptimize-membar): New.
6908         * doc/invoke.texi: Document -moptimize-membar and its inverse.
6910         * config/frv/frv.h: Remove machine_function definition.
6912         * config/frv/frv.c (struct frv_io): New.
6913         (struct machine_function): Moved from frv.h.  Add has_membar_p.
6914         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6915         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6916         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6917         (frv_optimize_membar_global, frv_optimize_membar): New functions.
6918         (frv_reorg): Call frv_optimize_membar when appropriate.
6919         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
6920         (frv_expand_builtin): Adjust calls accordingly.
6921         (frv_io_address_cookie): New function.
6922         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
6923         load or store rather than a special insn.  Add ccnstant address and
6924         io-type operands to the membar.
6925         (frv_ifcvt_modify_tests): Unsign regno.
6926         (frv_ifcvt_modify_tests): Same.
6928         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
6929         UNSPEC_OPTIONAL_MEMBAR constant.
6930         (builtin_read_<mode>): Delete.
6931         (builtin_write_<mode>): Delete.
6932         ("optional_membar_<mode>"): Add operand.
6934         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
6935         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
6936         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
6937         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
6938         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
6939         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
6940         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
6941         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
6942         * testsuite/gcc.target/frv/all-read-write-1.c: New.
6944 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
6946         * df.c (df_uses_record): Handle SCRATCH.
6948 2005-07-28  Steven Bosscher  <stevenb@suse.de>
6950         PR debug/20161
6951         * passes.c (rest_of_decl_compilation): If decl is a type and
6952         we have encountered errors, don't emit debug information.
6954 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
6956         * params.def: Fixed comment.
6958 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
6960         PR target/19885
6961         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6962         (TARGET_ASM_UNALIGNED_HI_OP): Add.
6963         (TARGET_ASM_UNALIGNED_SI_OP): Add.
6965 2005-07-27  Steven Bosscher  <stevenb@suse.de>
6967         PR c++/22003
6968         * varasm.c (assemble_start_function): Don't do anything that may
6969         require a CFG if the current function is a thunk.
6971 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
6973         * doc/install.texi (Prerequisites): Mention that perl is needed
6974         to do export control in libstdc++ targetting Darwin.
6976 2005-07-27  Steven Bosscher  <stevenb@suse.de>
6978         PR rtl-optimization/17808
6979         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
6980         (sched_insns_conditions_mutex_p): Split out from...
6981         (add_dependence): ...here.  But don't call it from here.
6982         (add_dependence_list): Check sched_insns_conditions_mutex_p
6983         before calling add_dependence.
6984         (add_dependence_list_and_free): Likewise.
6985         (fixup_sched_groups): Likewise.
6986         (sched_analyze_1): Likewise.
6987         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
6988         (sched_analyze): Likewise.
6989         (sched_analyze_insn): Likewise.
6990         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6991         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
6992         dependencies on all COND_EXEC insns to jumps ending basic blocks
6993         when doing intrablock scheduling.
6994         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
6996 2005-07-27  Jeff Law  <law@redhat.com>
6998         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
6999         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
7000         equivalency sets, correctly handle the case were vr0 has an
7001         equivalency set, but vr1 does not.
7003 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
7005         PR tree-optimization/23073
7006         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7007         vect_print_dump_info before fprintf.
7009 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7011         PR tree-optimize/22348
7012         * tree-ssa-loop-niter.c (number_of_iterations_cond):
7013         Fold the partial computation.
7015 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7017         PR tree-optimization/22325
7018         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7019         Declare.
7020         * tree-scalar-evolution.c (scev_const_prop): Add generic final
7021         value replacement.
7022         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7023         (force_var_cost): ... this function.
7024         (compute_phi_arg_on_exit): Export.
7026 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7028         PR tree-optimization/20773
7029         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7030         edge.
7032 2005-07-27  Richard Guenther  <rguenther@suse.de>
7034         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7035         Avoid pushing again if current struct contains only
7036         fields we decomposed.
7038 2005-07-27  Jan Hubicka  <jh@suse.cz>
7040         PR tree-optimization/22574
7041         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7042         not available.
7044         * tree-tailcall.c (decrease_profile): New function.
7045         (eliminate_tail_call): Use it.
7047         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7048         visibility flags correctly in whole program mode.
7050 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
7052         PR rtl-optimization/22472
7053         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7055 2005-07-26  Steven Bosscher  <stevenb@suse.de>
7057         PR tree-optimization/22504
7058         * tree-complex.c (expand_complex_addition): Use 'code' instead
7059         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7061 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
7063         * config.gcc (cpu_type): Add frv case.
7064         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7065         (supported_defaults): Add fr550 case.
7067 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
7069         PR 22591
7070         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7071         whether a pointer of type T * may point to objects of type T *.
7073 2005-07-26  DJ Delorie  <dj@redhat.com>
7075         * configure: Regenerate.
7077 2005-07-26  Dale Johannesen  <dalej@apple.com>
7079         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
7081 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
7083         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7084         Clarify use of "build" in name.
7086 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
7088         * doc/extend.texi (Raw read/write Functions): New section.
7089         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7090         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7091         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7092         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7093         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7094         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7095         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7096         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7097         * config/frv/frv.c: Add bdesc_loads global.
7098         Add bdesc_stores global.
7099         (frv_init_builtins): Add support for __builtin_{read/write}*.
7100         (frv_volatile_memref): New.
7101         (frv_expand_load_builtin): New.
7102         (frv_expand_store_builtin): New.
7103         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7104         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7105         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7106         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7107         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7108         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7109         (builtin_read_<mode>): New.
7110         (builtin_write_<mode>): New.
7111         (builtin_write64): New.
7112         (optional_membar_<mode>): New.
7114 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
7116         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7117         (rather than units) against HOST_BITS_PER_WIDE_INT.
7119 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
7121         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7122         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7123         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7124         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7125         FSF address.
7127         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7128         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7129         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7130         comment typos.
7131         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7133 2005-07-26  Richard Guenther  <rguenther@suse.de>
7135         PR tree-optimization/22486
7136         * fold-const.c (fold_unary): Fold away useless component
7137         references of the form (T *)&T.x, if the address
7138         doesn't change.
7140 2005-07-25  James E Wilson  <wilson@specifixinc.com>
7142         * dwarf2out.c (add_call_src_coords_attributes): New.
7143         (gen_inlined_subroutine_die): Call it.
7144         (maybe_emit_file, init_file_table): Add comments.
7145         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7146         maybe_emit_file.
7147         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7148         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7149         * tree.h (BLOCK_SOURCE_LOCATION): New.
7150         (struct tree_block): New field locus.
7152 2005-07-26  Andreas Schwab  <schwab@suse.de>
7154         PR rtl-optimization/23043
7155         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7156         when allocating a struct unoccr.
7158 2005-07-25  Richard Henderson  <rth@redhat.com>
7160         PR 22626
7161         * tree-complex.c (gate_no_optimization): True if errors.
7162         * Makefile.in (tree-complex.o): Update dependencies.
7164 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
7166         * config/frv/predicates.md (integer_register_operand): Use
7167         GPR_AP_OR_PSEUDO_P.
7169 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
7171         PR tree-opt/22484
7172         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7173         after fold.
7174         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7176 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
7178         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7179         types when flag_unsafe_math_optimizations is true.
7181 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
7183         * gcc.c (option_map): Add --sysroot.
7184         (process_command): Handle --sysroot.
7185         (display_help): Document it.
7186         * doc/cppopts.tex (-isysroot): Document.
7187         * doc/invoke.texi (--sysroot): Document.
7188         * doc/install.texi (--with-build-sysroot): Document.
7190         * Makefile.in (inhibit_libc): New variable.
7191         (INHIBIT_LIBC_CFLAGS): Likewise.
7192         (LIBGCC2_CFLAGS): Include
7193         $(INHIBIT_LIBC_CFLAGS).
7194         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7195         ($(T)crtbegin.o): Do not use @inhibit_libc@.
7196         ($(T)crtend.o): Likewise.
7197         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7198         ($(T)crtendS.o): Likewise.
7199         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7200         ($(T)crtendT.o): Likewise.
7201         (stmp-fixinc): Do not complain about missing headers if
7202         inhibit_libc.
7203         * configure.ac (inhibit_libc): Set it to true/false.
7204         (--with-build-sysroot): New option.  Use it to set
7205         SYSTEM_HEADER_DIR.
7206         * configure: Regenerated.
7208 2005-07-25  Manfred Hollstein  <mh@suse.com>
7210         * calls.c (store_one_arg): Fix unsigned comparison warning.
7212 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
7214         PR other/22337
7215         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7216         (ggc_print_statistics): Initialize variable before use.
7218 2005-07-25  Richard Guenther  <rguenther@suse.de>
7220         * tree-dfa.c (mark_new_vars_to_rename): Protect against
7221         calling with a PHI_NODE argument.
7223         * tree-flow-inline.h (overlap_subvar): Protect against
7224         possible overflow.
7226 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
7228         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7229         * configure: Regenerate.
7231 2005-07-25  Ira Rosen  <irar@il.ibm.com>
7233         * expr.c (highest_pow2_factor): Make extern.
7234         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7235         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7236         record_array_differ_p, array_ptr_differ_p): Likewise.
7237         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7238         additional cases. Call the above functions.
7239         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7240         base_object_differ_p when there are two base objects. Otherwise, compare
7241         base address and offset. Call may_alias_p.
7242         (dump_data_reference): Use a correct field name.
7243         (analyze_array): Make static. Initialize new data-ref fields.
7244         (analyze_indirect_ref): New function.
7245         (init_data_ref): Initialize new data-ref fields.
7246         (strip_conversion): Moved from tree-vect-analyze.c.
7247         (analyze_offset_expr, get_ptr_offset, address_analysis,
7248         object_analysis): Likewise.
7249         (analyze_offset): New function.
7250         (create_data_ref): Likewise.
7251         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7252         dimensions for ARRAY_REFs only.
7253         (build_classic_dist_vector): Make static.
7254         (access_functions_are_affine_or_constant_p): Call macro to get the
7255         address of access functions.
7256         (compute_all_dependences): Add new parameter
7257         compute_self_and_read_read_dependences. Compute self and read-read
7258         dependences if it is true.
7259         (find_data_references_in_loop): Call create_data_ref. Initialize new
7260         data-ref fields.
7261         (compute_data_dependences_for_loop): Add new parameter
7262         compute_self_and_read_read_dependences. Remove parameter nb_loops,
7263         compute nb_loops. Call compute_all_dependences,
7264         build_classic_dist_vector and build_classic_dir_vector with correct
7265         parameters.
7266         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7267         with correct parameters. Compare dimensions for ARRAY_REFs only.
7268         (free_data_refs): Call macro to free access functions.
7269         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7270         fields from stmt_vinfo.
7271         (struct base_object_info): New structure.
7272         (struct data_reference): Move fields to base_object_info. Add fields
7273         first_location and object_info for above structures. Move fields from
7274         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7275         aligned_to.  Add macros to access the new fields.
7276         Update functions declarations.
7277         * tree-flow.h (is_aliased_with): Declare.
7278         * tree-loop-linear.c (linear_transform_loops): Call
7279         compute_data_dependences_for_loop with correct parameters.
7280         * tree-ssa-alias.c (is_aliased_with): New function.
7281         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7282         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7283         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7284         vect_base_addr_differ_p, compute_subscript_distance and
7285         build_classic_dist_vector. Add printings. Check absolute value of
7286         distance.
7287         (vect_analyze_data_ref_dependences): Go through ddrs instead of
7288         data-refs.
7289         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7290         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7291         to bytes. Add printing.
7292         (vect_compute_data_refs_alignment): Go through loads and stores in one
7293         loop.
7294         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7295         vect_analyze_data_ref_access): Likewise.
7296         (vect_analyze_pointer_ref_access): Remove.
7297         (vect_address_analysis, vect_object_analysis): Likewise.
7298         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7299         and analyze data-refs in the loop.
7300         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7301         fields of data-ref instead of stmt. Add init to the offset from the
7302         base.
7303         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7304         (vect_update_init_of_dr): Likewise.
7305         (vect_update_inits_of_drs): Go through loads and stores in one loop.
7306         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7307         removed fields.
7308         (new_loop_vec_info): Initialize new fields.
7309         (destroy_loop_vec_info): Free new fields.
7310         (vect_strip_conversion): Remove.
7311         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7312         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7313         datarefs. Add new field ddrs.
7314         Add macros for the new fields access.
7315         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7316         base_aligned_p, misalignment, memtag, ptr_info and subvars.
7317         Remove their macros.
7318         * tree.h (highest_pow2_factor): Declare.
7320 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
7322         * calls.c (store_one_arg): Check for sibling call MEM arguments
7323         from already clobbered incoming argument area.
7325 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7327         * c-common.c (check_missing_format_attribute): New.
7328         * c-common.h (check_missing_format_attribute): Likewise.
7329         * c-typeck.c (convert_for_assignment): Use it.
7331 2005-07-24  Andreas Schwab  <schwab@suse.de>
7333         * config/m68k/m68k.md ("extendqidi2"): When source is an address
7334         register use a word move.  Correct operand of ext.w in 68000 code.
7336 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
7338         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7339         variables as declarations, rather than definitions.
7341 2005-07-24  Ira Rosen  <irar@il.ibm.com>
7343         PR tree-optimization/22526
7344         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7345         of the zero node.
7347 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7349         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7350         that C99 reserve for future use. Use it to define clog10,
7351         clog10f and clog10l.
7353 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7355         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7356         * configure.ac: Check for -Wmissing-format-attribute.
7358         * configure: Regenerate.
7360 2005-07-23  Richard Henderson  <rth@redhat.com>
7362         PR tree-optimization/22623
7363         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7365 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
7367         PR target/22577
7368         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7370 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7372         * Makefile.in (C_TREE_H): Update dependencies.
7373         * c-tree.h: Include toplev.h.
7374         * diagnostic.h (diagnostic_set_info): Add format attribute.
7375         * rtl-error.c (diagnostic_for_asm): Likewise.
7377 2005-07-23  Chao-ying Fu  <fu@mips.com>
7379         * config/mips/mips-dsp.md: New file.
7380         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7381         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7382         functions.
7383         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7384         MIPS_BUILTIN_BPOSGE32.
7385         (mips_expand_builtin_direct): Add one parameter to indicate that
7386         builtin functions need to return a value.
7387         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7388         functions.
7389         (mips_regno_to_class): Add classes for 12 new DSP registers.
7390         (mips_subword): Change to check four HI registers.
7391         (mips_output_move): Output move to and from 6 new DSP accumulators.
7392         (override_options): Make sure -mdsp and -mips16 are not used together.
7393         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
7394         for machine modes.
7395         (mips_conditional_register_usage): Disable 6 new DSP accumulators
7396         when !TARGET_DSP.
7397         (print_operand): Add 'q' for printing DSP accumulators.
7398         (mips_cannot_change_mode_class): Check ACC_REGS.
7399         (mips_secondary_reload_class): Check ACC_REGS.
7400         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7401         (mips_register_move_cost): Check ACC_REGS.
7402         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7403         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7404         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7405         (dsp_bdesc): New array.
7406         (bdesc_arrays): Add DSP builtin function table.
7407         (mips_prepare_builtin_arg): Check predicate again after
7408         copy_to_mode_reg.
7409         (mips_expand_builtin): Add one more parameter to
7410         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7411         MIPS_BUILTIN_BPOSGE32.
7412         (mips_init_builtins): Initialize new function types.
7413         (mips_expand_builtin_direct): Check if builtin functions need to
7414         return a value and pass operands properly.
7415         (mips_expand_builtin_bposge): New function.
7416         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7417         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7418         (FIRST_PSEUDO_REGISTER): Increase to 188.
7419         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7420         Update for 12 new DSP registers.
7421         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7422         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7423         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7424         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7425         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7426         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7427         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7428         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7429         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7430         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7431         (REGISTER_NAMES): Add names for 12 new DSP registers.
7432         * config/mips/mips.md: Include mips-dsp.md.
7433         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7434         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7435         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7436         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7437         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7438         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7439         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7440         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7441         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7442         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7443         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7444         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7445         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7446         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7447         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7448         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7449         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7450         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7451         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7452         (UNSPEC_RDDSP): New constants.
7453         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7454         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
7455         A<-d alternative.
7456         * config/mips/mips.opt (-mdsp): New option.
7457         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7458         (reg_imm10_operand): New predicates.
7459         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7460         * doc/invoke.texi (-mdsp): Document new option.
7462 2005-07-22  DJ Delorie  <dj@redhat.com>
7464         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7465         to warning calls.
7466         * tree-inline.c (inlinable_function_p): Likewise.
7468 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
7470         PR debug/21828
7471         * toplev.c (check_global_declarations): Do not mark undefined
7472         variables as DECL_IGNORED_P.
7473         * varasm.c (first_global_object_name): GTY it.
7474         (weak_global_object_name): Likewise.
7475         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7476         a string to go into {weak,first}_global_object_name.
7478 2005-07-22  DJ Delorie  <dj@redhat.com>
7480         * c-format.c (check_function_format): Change warning control
7481         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7483 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
7485         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7486         &PTR->FLD a dereference of PTR.
7487         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7488         a potential dereference of PTR.
7490 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
7492         PR rtl-optimization/20370
7493         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7494         call allocate_reg_info if necessary.
7496         PR rtl-optimization/21848
7497         * calls.c (emit_library_call_value_1): For const functions, add
7498         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7500         PR rtl-optimization/22445
7501         * cselib.c (target.h): Include.
7502         (rtx_equal_for_cselib_p): Allow commutative matches.
7503         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7504         Remove MODE parameter.  Changed all callers.
7506         PR rtl-optimization/22258
7507         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7508         New functions.
7509         (try_combine): Use likely_spilled_retval_p.
7511 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
7513         * config.gcc: Add crx-elf support.
7515         * doc/contrib.texi: Mention crx.
7516         * doc/extend.texi: Document crx extensions.
7517         * doc/install.texi: Document crx install.
7518         * doc/invoke.texi: Document crx options.
7519         * doc/md.texi: Document crx constraints.
7521         * config/crx/crx-protos.h: New file.
7522         * config/crx/crx.c: New file.
7523         * config/crx/crx.h: New file.
7524         * config/crx/crx.md: New file.
7525         * config/crx/crx.opt: New file.
7526         * config/crx/t-crx: New file.
7528 2005-07-22  Manfred Hollstein  <mh@suse.com>
7530         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7531         warnings.
7532         (int_add_graph_edge): Likewise.
7533         (collapse_nodes): Likewise.
7534         (process_unification_queue): Likewise.
7536 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7537             Laurent GUERBY  <laurent@guerby.net>
7539         PR tree-optimization/22336
7540         * function.c (record_block_change): Check for
7541         cfun->ib_boundaries_block.
7543 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
7545         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7546         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7548 2005-07-21  DJ Delorie  <dj@redhat.com>
7550         * toplev.c (warn_deprecated_use): Add warning control to warning
7551         call.
7552         * c-typeck.c (parser_build_binary_op): Likewise.
7553         (c_finish_if_stmt): Likewise.
7554         * c-common.c (check_function_sentinel): Likewise.
7555         (check_nonnull_arg): Likewise.
7557 2005-07-21  Richard Henderson  <rth@redhat.com>
7559         PR tree-opt/22504
7560         * tree-complex.c (complex_ssa_name_components): New.
7561         (cvc_lookup): Allow entry not found.
7562         (create_components): Remove.
7563         (create_one_component_var, get_component_var): New.
7564         (get_component_ssa_name, set_component_ssa_name): New.
7565         (extract_component): Use get_component_ssa_name.
7566         (update_complex_components): Use set_component_ssa_name.
7567         (update_complex_components_on_edge): Likewise.
7568         (update_phi_components): Create new PHI nodes directly, instead
7569         of adding insns to edges.
7570         (tree_lower_complex): Allocate and free complex_variable_components
7571         and complex_ssa_name_components here.
7573 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
7575         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7576         revert to returning false.
7578 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
7580         PR target/21149
7581         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7583 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
7585         PR target/22576
7586         * config/i386/i386.md (cmpxf): Change operand constraints
7587         to "nonmemory_operand".
7589 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7591         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7593 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7595         PR middle-end/21180
7596         * fold-const.c (fold_build1): Add checksum for the operands.
7597         (fold_build2): Likewise.
7598         (fold_build3): Likewise.
7600 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7602         PR middle-end/19055
7603         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7605 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7607         * common.opt (-fforward-propagate): Committed by mistake,
7608         removed.
7610 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7612         * reg-stack.c: Fix comment typo(s).
7613         * tree-ssa-operands.c: Likewise.
7614         * tree-vectorizer: Likewise.
7616 2005-07-21  Nick Clifton  <nickc@redhat.com>
7618         * config/sh/symbian.c: Replace C++ style line comments with C
7619         style line comments.
7620         (symbian_add_attribute): Do not use a ? operator on the LHS of
7621         an assignment.
7622         (sh_symbian_handle_dll_attribute): Change the type of the
7623         method vector to "VEC(tree,gc)*" and use vector accessor
7624         macros to walk over the elements.
7625         (symbian_export_vtable_and_rtti_p): Likewise.
7626         (symbian_class_needs_attribute_p): Likewise.
7628 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7630         PR target/22085
7631         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7632         initialize targetm.resolve_overloaded_builtin here.
7633         (altivec_expand_overloaded_builtin): Make it non-static.
7634         * config/rs6000/rs6000-protos.h
7635         (altivec_expand_overloaded_builtin): New prototype.
7636         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7637         targetm.resolve_overloaded_builtin here.
7638         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7640 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7641             Zdenek Dvorak  <dvorakz@suse.cz>
7643         PR tree-optimization/19210
7644         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7645         New.
7646         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7647         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7648         rely on unproven assumptions.
7649         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7650         * tree-flow.h (number_of_iterations_exit): Add final parameter.
7651         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7652         to number_of_iterations_exit.
7653         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7654         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7655         * tree-ssa-loop-niter.c (find_loop_niter,
7656         estimate_numbers_of_iterations_loop): Likewise.
7657         (number_of_iterations_exit): Honor the new options.
7658         * doc/invoke.texi (Wunsafe-loop-optimizations,
7659         funsafe-loop-optimizations): Document them.
7661 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
7663         PR rtl-optimization/22167
7664         * gcse.c (hoist_code): Fix hoist_exprs[] check.
7666 2005-07-20  Adam Nemet  <anemet@lnxw.com>
7668         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7669         __do_global_dtors_aux longcall.
7671 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
7673         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7674         (old_special_pred_table): Don't reference
7675         SPECIAL_MODE_PREDICATES.
7676         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7677         * config/arc/arc.h: Don't mention PREDICATE_CODES.
7678         * config/sh/predicates.h: Don't mention
7679         SPECIAL_MODE_PREDICATES.
7680         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7681         Remove.
7683 2005-07-20  DJ Delorie  <dj@redhat.com>
7685         * config.gcc: Add m32c-elf support.
7687         * doc/contrib.texi: Mention m32c.
7688         * doc/extend.texi: Document m32c extensions.
7689         * doc/install.texi: Mention m32c.
7690         * doc/invoke.texi: Document m32c options.
7691         * doc/md.texi: Document m32c constraints.
7693         * config/m32c/addsub.md: New file.
7694         * config/m32c/bitops.md: New file.
7695         * config/m32c/cond.md: New file.
7696         * config/m32c/jump.md: New file.
7697         * config/m32c/m32c-lib1.S: New file.
7698         * config/m32c/m32c-lib2.c: New file.
7699         * config/m32c/m32c-modes.def: New file.
7700         * config/m32c/m32c-pragma.c: New file.
7701         * config/m32c/m32c-protos.h: New file.
7702         * config/m32c/m32c.abi: New file.
7703         * config/m32c/m32c.c: New file.
7704         * config/m32c/m32c.h: New file.
7705         * config/m32c/m32c.md: New file.
7706         * config/m32c/m32c.opt: New file.
7707         * config/m32c/minmax.md: New file.
7708         * config/m32c/mov.md: New file.
7709         * config/m32c/muldiv.md: New file.
7710         * config/m32c/predicates.md: New file.
7711         * config/m32c/prologue.md: New file.
7712         * config/m32c/shift.md: New file.
7713         * config/m32c/t-m32c: New file.
7715 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7717         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7718         (stack_protect_set, stack_protect_test): New expanders.
7719         (stack_protect_set_si, stack_protect_set_si_media,
7720         stack_protect_set_di_media, stack_protect_test_si,
7721         stack_protect_test_si_media, stack_protect_test_di_media):
7722         New insns.
7724 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
7726         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7728 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
7730         * tree.h (tree_expr_nonzero_p): Export.
7731         * fold-const.c (tree_expr_nonzero_p): Likewise.
7732         Return true for CALL_EXPRs that are alloca calls.
7733         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7734         against zero.
7735         * tree-flow.h (expr_computes_nonzero): Remove.
7736         * tree-vrp.c (expr_computes_nonzero): Remove.
7737         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7738         (extract_range_from_unary_expr): Likewise.
7739         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7740         tree_expr_nonzero_p.
7742 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
7744         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7745         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
7746         extra arg "picreg" and use it instead of pic_offset_table_rtx.
7747         All callers changed.
7748         (frame_related_constant_load): New arg "related" which controls
7749         setting of RTX_FRAME_RELATED_P.  All callers changed.
7750         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7751         (bfin_expand_prologue): Add stack limit checking.
7752         * config/bfin/bfin.md (trapifcc): New pattern.
7754         * config/bfin/bfin.c: Include "langhooks.h".
7755         (def_builtin): Go through lang_hooks to call builtin_function.
7757         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7758         * config/bfin/predicates.md (symbol_ref_operand): New.
7759         (call_insn_operand): Delete.  All callers changed to use
7760         register_no_elim_operand.
7761         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7762         call_cookie field.
7763         (function_arg): Use it to generate the call's operand 2.
7764         (bfin_longcall_p): New function.
7765         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
7766         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
7767         determine if the address needs to be in a REG.
7768         (bfin_handle_longcall_attribute): New function.
7769         (bfin_attribute_table): Add "longcall" and "shortcall".
7770         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7771         (CUMULATIVE_ARGS): New member call_cookie.
7772         (PREDICATE_CODES): Add symbol_ref_operand.
7773         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7774         extra USE to the pattern.
7775         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7776         New patterns, split off call_insn, sibcall_insn, call_value_insn and
7777         sibcall_value_insn; now the new patterns handle direct calls and the
7778         old ones indirect calls.
7779         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7781 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
7783         * doc/trouble.texi: Update section on handling of empty loops.
7785 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
7787         * config.gcc: Remove support for sparc-*-openbsd*,
7788         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7789         ns32k-*-netbsd*.
7790         * config.host: Remove support for i860-*-sysv4* as a host.
7791         * config/i860/*, config/ip2k/*, config/ns32k/*,
7792         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7793         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7794         mention obsolete ports.
7796 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7798         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7799         soft frame pointer.
7800         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7801         of frame_pointer_rtx.
7802         (sh_expand_epilogue): Likewise.
7803         (sh_set_return_address): Likewise.
7804         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7805         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
7806         offsets from FRAME_POINTER_REGNUM.
7807         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7808         (sh_register_names): Add initializer for sfp.
7809         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7810         (VALID_REGISTER_P): Likewise.
7811         (FIRST_PSEUDO_REGISTER): Update.
7812         (DWARF_FRAME_REGISTERS): Define.
7813         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7814         (HARD_FRAME_POINTER_REGNUM): Define.
7815         (FRAME_POINTER_REGNUM): Redefine.
7816         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7817         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
7818         from FRAME_POINTER_REGNUM.
7819         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7820         FRAME_POINTER_REGNUM.
7821         (REG_CLASS_CONTENTS): Add sfp.
7822         (REG_ALLOC_ORDER): Likewise.
7823         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
7824         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7825         of frame_pointer_rtx.
7826         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7828 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
7830         * fold-const.c (tree_expr_nonnegative_p): Only return true for
7831         ABS_EXPR when flag_wrapv is false because of INT_MIN.
7832         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7833         of an ABS_EXPR.
7834         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7835         ABS_EXPR<x>.
7837 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
7839         Make CONSTRUCTOR use VEC to store initializers.
7840         * c-common.c (complete_array_type): Update to cope with VEC in
7841         CONSTRUCTOR_ELTS.
7842         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7843         (pp_c_constructor_elts): New function.
7844         * c-pretty-print.h (pp_c_constructor_elts): Declare.
7845         * c-typeck.c (build_function_call, build_c_cast, digest_init,
7846         struct constructor_stack, struct initializer_stack,
7847         constructor_elements, push_init_level, pop_init_level,
7848         add_pending_init, find_init_member, output_init_element): Update to
7849         cope with VEC in CONSTRUCTOR_ELTS.
7850         * coverage.c (build_fn_info_value, build_ctr_info_value,
7851         build_gcov_info): Likewise.
7852         * expr.c (categorize_ctor_elements_1, store_constructor,
7853         expand_expr_real_1): Likewise.
7854         * fold-const.c (fold_ternary): Likewise.
7855         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7856         gimplify_init_constructor, gimplify_expr): Likewise.
7857         * tree-dump.c (dequeue_and_dump): Likewise.
7858         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7859         node.
7860         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7861         CONSTRUCTOR_ELTS.
7862         * tree-sra.c (generate_element_init_1): Likewise.
7863         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7864         * tree-ssa-operands.c (get_expr_operands): Likewise.
7865         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7866         * tree-vect-transform.c (vect_get_vec_def_for_operand):
7867         (get_initial_def_for_reduction): Likewise.
7868         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7869         value handle in annotations.
7870         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7871         tree_node_structure): Add support for constr_kind.
7872         (build_vector_from_ctor, build_constructor_single,
7873         build_constructor_from_list): New functions.
7874         (build_constructor): Update to take a VEC instead of a TREE_LIST.
7875         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7876         Update to cope with VEC in CONSTRUCTOR_ELTS.
7877         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7878         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7879         CONSTRUCTOR_APPEND_ELT): New macros.
7880         (struct constructor_elt, struct tree_constructor): New data types.
7881         (union tree_node): Add tree_constructor field.
7882         * treestruct.def: Define TS_CONSTRUCTOR.
7883         * varasm.c (const_hash_1, compare_constant, copy_constant,
7884         compute_reloc_for_constant, output_addressed_constants,
7885         initializer_constant_valid_p, output_constant,
7886         array_size_for_constructor, output_constructor): Update to cope with
7887         VEC in CONSTRUCTOR_ELTS.
7888         * vec.h (VEC_empty, VEC_copy): New macros.
7890 2005-07-19  Devang Patel  <dpatel@apple.com>
7892         * dbxout.c (dbxout_type): Check Objective-C++ lang.
7894 2005-07-19  Richard Henderson  <rth@redhat.com>
7896         PR tree-opt/22278
7897         * gimplify.c (gimplify_expr): Use main variant type for the temp
7898         destination for a discarded volatile read.
7899         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7900         casts between non-void types that change volatility.
7902 2005-07-15  DJ Delorie  <dj@redhat.com>
7904         * toplev.h: Add comment about the first parameter for warning().
7905         * errors.h: Likewise.
7907         * c.opt (Wpragmas): New.
7908         * doc/invoke.texi: Document it.
7910         * function.c (do_warn_unused_parameter): Add warning control to
7911         warning call.
7912         * c-decl.c (warn_if_shadowing): Likewise.
7913         * c-lex.c (cb_def_pragma): Likewise.
7914         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7915         (pop_alignment): Likewise.
7916         (handle_pragma_pack): Likewise.
7917         (apply_pragma_weak): Likewise.
7918         (handle_pragma_weak): Likewise.
7919         (handle_pragma_redefine_extname): Likewise.
7920         (add_to_renaming_pragma_list): Likewise.
7921         (handle_pragma_extern_prefix): Likewise.
7922         (maybe_apply_renaming_pragma): Likewise.
7923         (handle_pragma_visibility): Likewise.
7925         * config/c4x/c4x-c.c (BAD): Likewise.
7926         (c4x_parse_pragma): Likewise.
7927         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
7928         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
7929         (rs6000_pragma_longcall): Likewise.
7930         * config/v850/v850-c.c (pop_data_area): Likewise.
7931         (ghs_pragma_section): Likewise.
7932         (ghs_pragma_section): Likewise.
7933         (ghs_pragma_interrupt): Likewise.
7934         (ghs_pragma_starttda): Likewise.
7935         (ghs_pragma_startsda): Likewise.
7936         (ghs_pragma_startzda): Likewise.
7937         (ghs_pragma_endtda): Likewise.
7938         (ghs_pragma_endsda): Likewise.
7939         (ghs_pragma_endzda): Likewise.
7941 2005-07-19  Danny Berlin <dberlin@dberlin.org>
7942             Kenneth Zadeck <zadeck@naturalbridge.com>
7944         * Makefile.in: Removed tree-promote-statics.c
7945         * tree-promote-statics.c: Removed.
7946         * common.opt: Removed flag-promote-statics.
7947         * opts.c: Ditto.
7948         * passes.c: Removed tree-promote-statics pass.
7949         * tree-pass.h: Ditto.
7950         * timevar.def: Removed TV_PROMOTE_STATICS.
7953 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
7955         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
7956         and *-*-freebsd9.
7957         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
7959 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7961         PR c/22476
7962         * c-common.c (check_function_arguments): Call
7963         'check_function_format' if either -Wformat or
7964         -Wmissing-format-attribute are specified.
7965         * c-format.c (check_function_format): Check -Wformat before
7966         calling 'check_format_info'.
7967         * c-opts.c (c_common_post_options): Don't warn for
7968         -Wmissing-format-attribute without -Wformat.
7969         * c-typeck.c (convert_for_assignment): Detect additional cases for
7970         -Wmissing-format-attribute.
7971         * doc/invoke.texi (-Wmissing-format-attribute): Document new
7972         behavior.
7974 2005-07-19  Richard Guenther  <rguenther@suse.de>
7976         * config/i386/i386.md (lrint<mode>2): Use temporary
7977         instead of clobbering non-existent memory.
7979 2005-07-19  Nick Clifton  <nickc@redhat.com>
7981         * config/avr/avr.c (legitimate_address_p): Fix debugging print
7982         statement to avoid displaying ASCII control characters.
7984 2005-07-19  Ben Elliston  <bje@au.ibm.com>
7986         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
7987         * cfganal.c (find_edge_index): Ditto.
7988         * combine.c (combine_instructions): Ditto.
7989         * ddg.c (create_scc): Ditto.
7990         (find_successors): Ditto.
7991         (find_predecessors): Ditto.
7992         (find_nodes_on_paths): Ditto.
7993         (longest_simple_path): Ditto.
7994         * flow.c (update_life_info): Ditto.
7995         (count_or_remove_death_notes): Ditto.
7996         (clear_log_links): Ditto.
7997         * modulo-sched.c (generate_reg_moves): Ditto.
7998         (find_max_asap): Ditto.
7999         (find_max_hv_min_mob): Ditto.
8000         (find_max_dv_min_mob): Ditto.
8001         * sbitmap.c (sbitmap_first_set_bit): Ditto.
8002         * sched-rgn.c (extract_edgelst): Ditto.
8003         * tree-into-ssa.c (prepare_names_to_update): Ditto.
8004         (dump_update_ssa): Ditto.
8005         (ssa_names_to_replace) Ditto.
8006         (switch_virtuals_to_full_rewrite): Ditto.
8007         (update_ssa): Ditto.
8008         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8010 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
8012         Fix PR tree-optimization/22483
8014         * tree-complex.c (create_components): Use
8015         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8016         * tree-flow-inline.h (fill_referenced_var_vec): New function.
8017         * tree-flow.h (safe_referenced_var_iterator): New structure.
8018         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8019         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8020         safe_referenced_var iterator.
8021         (add_type_alias): Ditto.
8023 2005-07-19  Steven Bosscher  <stevenb@suse.de>
8025         * loop-init.c (rest_of_handle_loop2): Remove.
8026         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8027         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8028         (pass_rtl_loop_init, pass_rtl_loop_done,
8029         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8030         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8031         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8032         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8033         pass_tree_loop_done, and pass_tree_unswitch.
8034         (gate_loop): Rename to gate_tree_loop.
8035         * passes.c (init_optimization_passes): Update for renamed tree
8036         loop passes.  Add the new loop2 passes as subpasses of loop2.
8037         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8038         Update for the renamed tree loop passes.
8040 2005-07-18  Ian Lance Taylor  <ian@airs.com>
8042         PR middle-end/22057
8043         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8044         blocks when optimizing.
8046 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
8048         * common.opt (frename-registers): Initialize to 2.
8049         (fweb): Ditto.
8050         (fgcse-after-reload): Ditto.
8051         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8052         (process_options): Only change flag_web, flag_rename_registers,
8053         and flag_rerun_cse_after_loop if not explicitly set by user.
8055 2005-07-18  Jan Beulich  <jbeulich@novell.com>
8057         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8058         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8059         in 64-bit mode the same as DImode in 32-bit mode.
8060         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8061         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8062         mode. Add new mode parameter.
8063         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8064         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8065         x86_64_shift_adj): New expanders.
8066         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8067         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8068         insns.
8069         Respective new splitters. Use renamed shift splitter helpers in 32-bit
8070         DImode shift splitters.
8071         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8072         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8073         mode parameter.
8075 2005-07-18  Jan Beulich  <jbeulich@novell.com>
8077         * i386.md (movdi_extzv_1): New.
8078         (zero_extendhidi2): Combine alternatives and never force use of
8079         REX64 prefix.
8080         (zero_extendqidi2): Likewise. Don't restrict input selection.
8082 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8084         Fix PR tree-optimization/22531
8085         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
8086          moment.
8088 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8090         * tree-promote-statics.c (pass_promote_statics): Change dump file
8091          name.
8093 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8095         * tree-optimize.c (init_tree_optimization_passes): Add
8096         pass_eliminate_useless_stores pass.
8097         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8098         * tree-ssa-pre.c (is_copy_stmt): New function.
8099         (follow_copies_till_vuse): Ditto.
8100         (do_eustores): Ditto.
8101         (gate_eustores): Ditto.
8103 2005-07-16  Richard Henderson  <rth@redhat.com>
8105         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8107 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8108            Kenneth Zadeck <zadeck@naturalbridge.com>
8110         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8111         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8112         ipa-type-escape.h, tree-promote-statics.c
8113         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8114         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8115         tree-promote-statics.c: new files.
8116         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8117         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8118         int nonlocal_set_p, mark_constant_function): Deleted.
8119         (rest_of_handle_cfg): Removed call to mark_constant_function.
8120         (nonoverlapping_component_refs_p): Added calls to support
8121         type based aliasing.
8122         * tree-ssa-alias.c (may_alias_p,
8123         compute_flow_insensitive_aliasing): Ditto.
8124         * calls.c (flags_from_decl_or_type): Removed reference to
8125         cgraph_rtl_info.
8126         * c-typeck.c (convert_arguments): Make builtins tolerant of having
8127         too many arguments.  This is necessary for Spec 2000.
8128         * cgraph.h (const_function, pure_function): Removed.
8129         * common.opt: Added "fipa-pure-const", "fipa-reference",
8130         "fipa-type-escape", and "ftree-promote-static".
8131         * opts.c: Ditto.
8132         * passes.c: Added ipa and tree-promote-statics passes.
8133         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8134         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8135         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8136         * tree-flow.h: Added exposed sra calls and addition of
8137         reference_vars_info field for FUNCTION_DECLS.
8138         * tree-pass.h: Added passes.
8139         * tree-sra.c: (sra_init_cache): New function.
8140         (sra_insert_before, sra_insert_after) Made public.
8141         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8142         and made public.
8143         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8144         aliasing. (may_alias_p): Added code to use type escape analysis to
8145         improve alias sets.
8146         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8147         code to prune clobbers of static variables based on information
8148         produced in ipa-reference pass.  Changed call clobbering so that
8149         statics are not marked as clobbered if the call does not clobber
8150         them.
8152 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
8154         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8155         too.
8157 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8159         * doc/install.texi (*-*-solaris2*): Document recommended version
8160         of GNU binutils and mention GNU linker problem on Solaris 10.
8162 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
8164         PR c/22421
8165         * c-decl.c (c_build_bitfield_integer_type): New function.
8166         (finish_struct): Call it.
8167         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8169 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8171         * c-typeck.c (digest_init): Call 'convert_for_assignment'
8172         before returning.
8174 2005-07-16  Jan Hubicka  <jh@suse.cz>
8176         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8177         (scale_bbs_frequencies_int): Watch roundoff errors.
8178         * predict.c (return_prediction): Initialize return_stmt.
8180 2005-07-16  Jan Hubicka  <jh@suse.cz>
8182         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8183         after RTL profiling.
8185 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
8187         PR middle-end/22398
8188         * fold-const.c (build_range_check): Convert high/low to etype
8189         if we are only comparing against exp.
8191 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
8193         Fix PR tree-optimization/22376
8194         * tree-ssa-structalias.c (build_constraint_graph): We really meant
8195         special var here.
8196         (need_to_solve): New function.
8197         (compute_points_to_sets): Use it.
8199 2005-07-15  Jan Hubicka  <jh@suse.cz>
8201         * cfg.c (update_bb_profile_for_threading): More diagnostic.
8202         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8204 2005-07-15  Richard Guenther  <rguenther@suse.de>
8206         * c-common.c (handle_flatten_attribute): New function.
8207         Add flatten function attribute.
8208         * doc/extend.texi: Document flatten function attribute.
8209         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8210         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8211         New functions.
8212         (cgraph_decide_inlining): Handle functions with flatten
8213         attribute.
8215 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
8217         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8218         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8219         UNSPEC_XCHG, UNSPEC_AND): New.
8220         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8221         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8222         * config/rs6000/sync.md (FETCHOP): New code macro.
8223         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8224         New code attrs.
8225         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8226         (sync_compare_and_swap<mode>): Same.
8227         (sync_lock_test_and_set<mode>): Same.
8228         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8229         for QImode and HImode, and not PPC405.
8230         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8231         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8232         (sync_<fetchop>{si,di}_internal): New.
8233         (sync_nand{si,di}_internal): New.
8234         (sync_old_<fetchop>{si,di}_internal): New.
8235         (sync_old_nand{si,di}_internal): New
8236         (sync_new_<fetchop>{si,di}_internal): New.
8237         (sync_new_nand{si,di}_internal): New.
8238         (atomic_and{si,di}): New.
8239         (sync_new_nand{si,di}_internal): New.
8240         (atomic_and{si,di}): New.
8241         (sync_add<mode>_internal): Delete.
8242         (sync_addshort_internal): Use unspec instead of unspec_volatile.
8243         (sync_sub<mode>_internal): Delte.
8244         (sync_subshort_internal): New.
8245         (sync_andsi_internal): Use unspec instead of unspec_volatile.
8246         (sync_anddi_internal): Delete.
8247         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8248         (sync_booldi_internal): Delete.
8249         (sync_boolc<mode>_internal): Delete.
8250         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8251         (sync_boolc<mode>_internal2): Delete.
8252         (sync_boolcc<mode>_internal): Delete.
8253         (isync, lwsync): Use unspec instead of unspec_volatile.
8254         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8255         Revert UNSPEC_VOLATILE.
8256         (rs6000_split_atomic_op): New.
8257         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8259 2005-07-14  Eric Christopher  <echristo@redhat.com>
8261         * config/mips/mips.c (mips_canonicalize_comparison): Cast
8262         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8264 2005-07-14  Eric Christopher  <echristo@redhat.com>
8266         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8268 2005-07-14  Steven Bosscher  <stevenb@suse.de>
8270         PR tree-optimization/22230
8271         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8272         the computation of the four cross productions for "range op range".
8274 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
8275             Ulrich Weigand  <uweigand@de.ibm.com>
8277         PR target/20126
8278         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8279         in some insn.
8281 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
8283         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8285 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
8287         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8289 2005-07-14  Richard Guenther  <rguenther@suse.de>
8291         PR middle-end/22347
8292         * config/i386/i386-protos.h (ix86_function_value): Change
8293         prototype to match new target hook.
8294         * config/i386/i386.c (ix86_value_regno): Change prototype
8295         to take extra type argument.
8296         (TARGET_FUNCTION_VALUE): Define.
8297         (ix86_function_ok_for_sibcall): Pass extra argument to
8298         ix86_value_regno, check return slot rtx for exact match.
8299         (ix86_function_value): Take extra parameter.  Dispatch to
8300         ix86_value_regno with fndecl/fntype as provided.
8301         (ix86_value_regno): Handle extra type argument.
8302         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8304         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8305         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8306         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8307         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8308         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8310 2005-07-14  Richard Guenther  <rguenther@suse.de>
8312         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8313         * calls.c (expand_call): Pass fntype to hard_function_value.
8314         (emit_library_call_value_1): Likewise.
8315         * explow.c: Include target.h.
8316         (hard_function_value): Take extra argument, the fntype.
8317         Use new target hook for function_value.
8318         * expr.h (hard_function_value): Change prototype.
8319         * function.c (aggregate_value_p): Pass 0 as fntype to
8320         hard_function_value.
8321         (assign_parms): Use new target hook for function_value.
8322         Pass 0 as fntype to hard_function_value.
8323         (expand_function_end): Likewise.
8324         * reg-stack.c: Include target.h.
8325         (stack_result): Use new target hook for function_value.
8326         * target-def.h: New target hook function_value.
8327         * target.h: Likewise.
8328         * targhooks.c (default_function_value): New function.
8329         * targhooks.h (default_function_value): Declare.
8331 2005-07-13  Ian Lance Taylor  <ian@airs.com>
8333         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8335 2005-07-14  Jan Hubicka  <jh@suse.cz>
8337         * tree-dfa.c (dump_variable): Use default_def function.
8338         * tree-ssa-alias.c (dump_points_to_info): Likewise.
8339         * tree-ssa.c (verify_use): Likewise.
8340         * tree-ssanames.c (release_ssa_name): Likewise.
8341         * tree-tailcall.c (eliminate_tail_call): Likewise.
8342         (tree_optimize_tail_calls_1): Likewise.
8343         * tree-vrp.c (get_value_range): Likewise.
8345 2005-07-14  Ben Elliston  <bje@au.ibm.com>
8347         * gcc.c (main): Compare language[0] with '*' when iterating over
8348         the infiles.
8350 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
8352         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8353         "s390_emit_compare".  Add handling of CCZ1mode.
8354         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8355         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8356         checking.
8357         (s390_branch_condition_mask): Add CCZ1mode handling.
8358         * config/s390/s390.md: ("seq", "*seq"): New pattern.
8359         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8360         Use CCZ1mode instead of CCZmode.
8361         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
8363 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
8365         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8366         pattern.
8367         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8369 2005-07-13  Eric Christopher  <echristo@redhat.com>
8371         * config/mips/mips.c (mips_canonicalize_comparison): New.
8372         (mips_emit_int_relational): Use.
8374 2005-07-13  Eric Christopher  <echristo@redhat.com>
8376         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8377         static extra parts.
8378         * config/s390/s390.md: Include tpf.md. Move tpf specific
8379         patterns...
8380         * config/s390/tpf.md: To here.
8381         * config/s390/s390.opt: Move tpf specific options...
8382         * config/s390/tpf.opt: to here. Add mmain option.
8383         * config/s390/tpf-unwind.h: Remove unnecessary defines.
8384         * config/s390/tpf.h: Rewrite.
8386 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
8388         * doc/tm.texi: Remove @xref{Cross-profiling}.
8390 2005-07-13  Jeff Law  <law@redhat.com>
8392         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8393         expressions, test their _DECL operands for pointer equality rather
8394         than using operand_equal_p.
8396 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
8398         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8399         (TARGET_POSIX_IO): This.
8400         * config/darwin.h: Likewise.
8401         * config/freebsd.h: Likewise.
8402         * config/linux.h: Likewise.
8403         * config/lynx.h: Likewise.
8404         * config/netbsd.h: Likewise.
8405         * config/rs6000/linux64.h: Likewise.
8406         * config/rs6000/linux.h: Likewise.
8407         * config/s390/tpf.h: Likewise.
8408         * config/sh/embed-elf.h: Likewise.
8409         * config/sparc/linux64.h: Likewise.
8410         * config/sparc/linux.h: Likewise.
8411         * config/svr4.h: Likewise.
8412         * gcov-io.h: Likewise.
8414         * doc/tm.texi: Updated.
8416         * libgcov.c (create_file_directory): Defined only if
8417         TARGET_POSIX_IO is defined.
8418         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8419         is defined.
8421 2005-07-13  Jan Hubicka  <jh@suse.cz>
8423         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8425 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
8427         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8428         structure as argument.
8430 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
8432         PR tree-optimization/21921
8433         * tree-iterator.c (tsi_link_before): Support the case when
8434         tsi_end_p (tsi) == true.
8436 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8438         PR tree-optimization/22442
8439         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8440         correctly.
8442 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8444         PR rtl-optimization/20376
8445         * toplev.c (process_options): Enable -fweb and -frename-registers when
8446         unrolling.
8447         * doc/invoke.texi: Update the information about when -fweb and
8448         -frename-registers are enabled.
8450 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8452         PR tree-opt/21840
8453         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8454         if *rhs_p is not a SSA_NAME.
8456 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
8458         Fix PR tree-optimization/22422
8459         * tree-ssa-structalias.c (struct variable_info): Add flag for
8460         special vars.
8461         (get_varinfo): Now a static function.
8462         (new_varinfo): init has_union and is_special_var to false.
8463         (solution_set_add): Check has_union.
8464         (do_da_constraint): Move temporary variable so it gets reset
8465         properly.
8466         Also check for special variable.
8467         (do_ds_constraint): Ditto.
8468         (do_sd_constraint): Ditto.
8469         (do_structure_copy): Check for special variable.
8470         (find_func_aliases): Ditto.
8471         (init_base_vars): Set special vars properly.
8473 2005-07-13  Jan Hubicka  <jh@suse.cz>
8475         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8476         do unit-at-a-time.
8478         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8479         (get_expr_operands): Fix thinko wrt flags and subvars.
8481         PR tree-optimize/22379
8482         * tree-inline.c (expand_call_inline): Do not output sorry in early
8483         inlining.
8485 2005-07-12  Dale Johannesen  <dalej@apple.com>
8487         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
8489 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8491         PR bootstrap/21704
8492         * host-linux.h: Include limits.h.
8494 2005-07-12  Dale Johannesen  <dalej@apple.com>
8496         * expr.c (compress_float_constant):  Add cost check.
8497         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
8499 2005-07-12  Dale Johannesen  <dalej@apple.com>
8501         * gcc.target/i386/compress-float-sse.c:  New.
8502         * gcc.target/i386/compress-float-sse-pic.c:  New.
8503         * gcc.target/i386/compress-float-387.c:  New.
8504         * gcc.target/i386/compress-float-387-pic.c:  New.
8505         * gcc.dg/compress-float-ppc.c:  New.
8506         * gcc.dg/compress-float-ppc-pic.c:  New.
8508 2005-07-12  Eric Christopher  <echristo@redhat.com>
8510         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8511         static extra parts.
8512         * config/s390/s390.md: Include tpf.md. Move tpf specific
8513         patterns...
8514         * config/s390/tpf.md: To here.
8515         * config/s390/s390.opt: Move tpf specific options...
8516         * config/s390/tpf.opt: to here. Add mmain option.
8517         * config/s390/tpf-unwind.h: Remove unnecessary defines.
8518         * config/s390/tpf.h: Rewrite.
8520 2005-07-12  Eric Christopher  <echristo@redhat.com>
8522         * gcc.c (struct infile): Update comment for language.
8523         (main): Rewrite input file resetting code.
8525 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8527         PR tree-opt/22335
8528         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8529         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
8530         (lookup_avail_expr): Use constant_boolean_node instead
8531         of boolean_false_node/boolean_true_node.
8533 2005-07-12  Ben Elliston  <bje@au.ibm.com>
8535         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8536         and use it when printing num_edges.
8538 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
8540         * doc/extend.texi (Blackfin Built-in Functions): New section.
8541         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8542         @opindex.
8544 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
8546         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8547         s/cmpstrsi/cmpstrnsi
8548         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8549         'cmpstrnsi'.
8550         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8551         (init_optabs): Initialize cmpstrn_optab.
8552         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8553         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8554         * expr.c: (enum insn_code cmpstrn_optab): Declare.
8555         * config/i386/i386.md: s/cmpstr/cmpstrn
8556         * config/c4x/c4x.md: s/cmpstr/cmpstrn
8557         * doc/md.texi: Update documentation.
8559 2005-07-11  Richard Henderson  <rth@redhat.com>
8561         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8562         build_va_arg_indirect_ref.
8563         (alpha_gimplify_va_arg): Likewise.
8564         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8565         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8566         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8567         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8568         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8569         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8570         Likewise.
8571         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8573 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8575         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8576         * passes.c (init_optimization_passes): Add pass_empty_loop.
8577         * tree-pass.h (pass_empty_loop): Declare.
8578         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8579         try_remove_empty_loop, remove_empty_loops): New functions.
8580         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8581         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8583 2005-07-12  Peter Barada  <peter@the-baradas.com>
8585         PR middle-end/16719
8586         PR middle-end/18421
8587         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8588         in address registers.
8589         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8590         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8591         alternative of addsi3_5200.
8593 2005-07-11  Ian Lance Taylor  <ian@airs.com>
8595         * config/mips/mips.md (ffs<mode>2): Remove.
8597 2005-07-11  Ian Lance Taylor  <ian@airs.com>
8599         * doc/tree-ssa.texi (Cleanups): Improve description of
8600         TRY_FINALLY_EXPR.
8601         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8603 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
8605         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8606         * tree.h (DECL_ARGUMENT_FLD): New macro.
8608 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
8610         Fix PR tree-optimization/22404
8612         * tree-ssa-structalias.c (create_variable_info_for): Use
8613         correct offset.
8615 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
8617         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8618         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8619         for second comparison operand.
8620         * config/bfin/predicates.md (reg_or_const_int_operand): New.
8622         * config/bfin/bfin.md (define_attr "type"): Add "sync".
8623         (define_insn_reservation "alu"): Likewise.
8624         (csync, ssync): Now of type sync.
8625         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8626         -mcsync-anomaly -mspecld-anomaly.
8627         * config/bfin/bfin.opt (mcsync): Remove.
8628         (mcsync-anomaly, mspecld-anomaly): Add.
8629         * config/bfin/bfin.c: Include "insn-codes.h".
8630         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8631         (TARGET_DEFAULT_TARGET_FLAGS): New.
8632         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8634 2005-07-11  Steven Bosscher  <stevenb@suse.de>
8636         * basic-block.h: Give the BB flags enum a name, bb_flags.
8637         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8638         * cfgcleanup.c (enum bb_flags): Remove here.
8639         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8640         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8641         (update_forwarder_flag): Likewise.
8642         (thread_jump): Likewise.
8643         (try_forward_edges): Likewise.
8644         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
8645         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
8646         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8648 2005-07-11  Richard Guenther  <rguenther@suse.de>
8650         * config/i386/i386.opt: New target option -msseregparm.
8651         * config/i386/i386.c (override_options): Error out for
8652         -msseregparm but no SSE support.
8653         (ix86_function_sseregparm): Check for global sseregparm.
8654         * doc/invoke.texi: Document -msseregparm.
8656 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8658         * config.gcc (m32r-*-linux*): Use the default extra_parts.
8659         (m32rle-*-linux*): Ditto.
8661 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
8663         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8664         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8665         bytes.
8667 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8669         PR middle-end/22239
8670         PR target/20126
8671         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8672         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8674 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
8676         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8677         (varmap): Heapify varmap.
8678         (constraints): Heapify constraints.
8679         (struct constraint_graph): Heapify succs and preds.
8680         (constraint_vec_find): Update for heapification.
8681         (constraint_set_union): Ditto.
8682         (insert_into_complex): Ditto.
8683         (constraint_edge_vec_find): Ditto.
8684         (erase_graph_self_edge): Ditto.
8685         (add_graph_edge): Ditto.
8686         (get_graph_weights): Ditto.
8687         (merge_graph_nodes): Ditto.
8688         (build_constraint_graph): Ditto.
8689         (topo_visit): Ditto.
8690         (solve_graph): Ditto.
8691         (create_variable_info_for): Ditto.
8692         (init_base_vars): Ditto.
8693         (delete_points_to_sets): Free graph, varmap, and complex constraints.
8694         (condese_varmap_nodes): Free complex vector.
8695         (clear_edges_for_node): Clear succs and preds vector.
8697 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
8699         * tree-ssa-structalias.c (update_alias_info): Change counting of
8700         references to not include vdefs.
8702 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
8704         * tree-ssa-alias.c (free_used_part_map): Add missing free.
8705         (up_insert): Ditto.
8707 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8709         * pa.c (pa_commutative_p): Make PLUS commutative when
8710         TARGET_NO_SPACE_REGS is true.
8712 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
8714         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8715         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8716         * tree-dfa.c (dump_subvars_for): New.
8717         (debug_subvars_for): New.
8718         (dump_variable): Show subvariables if VAR has them.
8719         * tree-flow-inline.h (get_subvar_at): New.
8720         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8721         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8722         Update all users.
8723         (struct subvar): Change fields offset and size to unsigned
8724         HOST_WIDE_INT.
8725         (dump_subvars_for): Declare.
8726         (debug_subvars_for): Declare.
8727         (get_subvar_at): Declare.
8728         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8729         to unsigned HOST_WIDE_INT *.
8730         (overlap_subvar): Likewise.
8731         * tree-gimple.c (is_gimple_reg): Always return false for
8732         SFTs and memory tags.
8733         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8734         Update all callers.
8735         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8736         (compute_may_aliases): Call compute_points_to_sets.
8737         (collect_points_to_info_for): Remove.
8738         (compute_points_to_and_addr_escape): Remove.
8739         (delete_alias_info): Call delete_points_to_sets.
8740         (compute_flow_sensitive_aliasing): If the call to
8741         find_what_p_points_to returns false, call set_pt_anything.
8742         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8743         (set_pt_anything): Clear pi->pt_vars.
8744         (set_pt_malloc): Remove.
8745         (merge_pointed_to_info): Remove.
8746         (add_pointed_to_expr): Remove.
8747         (add_pointed_to_var): Remove.
8748         (collect_points_to_info_r): Remove.
8749         (is_escape_site): Make extern.
8750         (create_sft): New.
8751         (create_overlap_variables_for): Call it.
8752         * tree-ssa-copy.c (merge_alias_info): Never merge
8753         flow-sensitive alias information.
8754         * tree-ssa-operands.c (get_expr_operands): Adjust variables
8755         offset and size to be unsigned HOST_WIDE_INT.
8756         (add_to_addressable_set): Rename from note_addressable.
8757         Set TREE_ADDRESSABLE as the variables are added to the set.
8758         Update all users.
8759         (add_stmt_operand): Do not try to micro-optimize unmodifiable
8760         operands into VUSEs when adding V_MAY_DEFs for members in an
8761         alias set.
8762         * tree-ssa-operands.h (add_to_addressable_set): Declare.
8763         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8764         (struct variable_info): Add bitfield is_heap_var.
8765         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8766         (new_var_info): Initialize is_heap_var.
8767         (get_constraint_for): Add HEAP variables to the symbol table.
8768         Mark them with is_heap_var.
8769         (update_alias_info): New.  Taken mostly from the old
8770         compute_points_to_and_addr_escape.
8771         (handle_ptr_arith): New.
8772         (find_func_aliases): Call update_alias_info.
8773         Call handle_ptr_info for tcc_binary expressions.
8774         Call mark_stmt_modified.
8775         (create_variable_info_for): If DECL has subvars, do not create
8776         variables for its subvars.  Always add all the fields.
8777         (set_uids_in_ptset): If the solution includes ANYOFFSET and
8778         SFTs, then add all the SFTs of the structure.
8779         If VI->DECL is an aggregate with subvariables, add the SFT at
8780         VI->OFFSET.
8781         (find_what_p_points_to): If VI is an artificial variable,
8782         translate to bitfields in SSA_NAME_PTR_INFO.
8783         If the solution is empty, set pi->pt_vars to NULL
8784         (init_base_vars): Create ANYOFFSET.
8785         (compute_points_to_sets): Rename from create_alias_vars.
8786         Make extern.
8787         (pass_build_pta): Remove.
8788         (delete_points_to_sets): Rename from delete_alias_vars.
8789         (pass_del_pta): Remove.
8790         * tree-ssa-structalias.h (struct alias_info): Move from
8791         tree-ssa-alias.h.
8792         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8793         NUM_REFERENCES_SET): Likewise.
8794         (compute_points_to_sets, delete_points_to_sets): Declare.
8796 2005-07-09  Richard Henderson  <rth@redhat.com>
8798         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8799         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8800         alpha_split_lock_test_and_set_12): New functions.
8801         * config/alpha/alpha-protos.h: Update.
8802         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8803         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8804         * config/alpha/sync.md (I12MODE): New.
8805         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8806         (sync_<fetchop_name><I48MODE>): Likewise.
8807         (sync_nand<I48MODE>): Likewise.
8808         (sync_old_<fetchop_name><I48MODE>): Likewise.
8809         (sync_new_<fetchop_name><I48MODE>): Likewise.
8810         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8811         (sync_compare_and_swap<I48MODE>): Likewise.
8812         (sync_lock_test_and_set<I48MODE>): Likewise.
8813         (sync_compare_and_swap<I12MODE>): New.
8814         (sync_compare_and_swap<I12MODE>_1): New.
8815         (sync_lock_test_and_set<I12MODE>): New.
8816         (sync_lock_test_and_set<I12MODE>_1): New.
8818 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
8820         PR 21356
8821         PR 22332
8822         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8824 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
8826         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8827         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8829 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
8831         PR target/21656
8832         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8834 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
8836         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8837         memory_operand constraint.
8838         (store_conditional_<mode>): Same.
8839         (sync_compare_and_swap<mode>): Same.
8840         (sync_lock_test_and_set<mode>): Same.
8842 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
8844         Rewrite PIC support to more closely model actual instructions.
8845         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8846         (cris_symbol): Remove prototypes for removed functions.
8847         (cris_pic_symbol_type_of, cris_valid_pic_const)
8848         (cris_expand_pic_call_address): Prototypes for new functions.
8849         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8850         variable.
8851         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8852         modifiers.
8853         <case ':'>: Add case for new punctuation character.
8854         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8855         emitting (extra) PIC modifier.
8856         <case UNSPEC>: Do not assert for PLT.
8857         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8858         (cris_expand_prologue, cris_expand_epilogue): Check
8859         for pic_offset_table_rtx usage instead of taking
8860         current_function_uses_pic_offset_table as the final word.
8861         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8862         Remove flag_pic difference.
8863         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8864         the moral equivalents of...
8865         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8866         functions.
8867         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8868         (cris_handle_option): Mark ARG as unused.
8869         (cris_expand_pic_call_address): New worker function for "call",
8870         "call_value".
8871         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8872         output PIC constructs here.
8873         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8874         as symbol-specific modifers, not whole or part of operands.
8875         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8876         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8877         constants and flag_pic.
8878         (CONSTANT_INDEX_P): Adjust for new functions.
8879         (enum cris_pic_symbol_type): New helper type.
8880         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8881         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8882         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8883         define_constants.
8884         ("movsi"): Emit actual instructions for GOT and relative access.
8885         ("*movsi_got_load"): New pattern to set up the register holding
8886         the GOT pointer.
8887         ("*movsi_internal"): Operand 1 is not a plain general_operand.
8888         Adjust FIXME for 'S'.
8889         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8890         Use "movs" for -fpic cases.
8891         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8892         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8893         ("call", "call_value"): Just call cris_expand_pic_call_address for
8894         PIC addresses.
8895         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8896         Remove special pattern.
8897         ("*expanded_call_side", "*expanded_call_value_side"): New
8898         patterns.
8899         (gotplt-to-plt, gotplt-to-plt-side-call)
8900         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8901         peephole2:s.
8902         * config/cris/cris/predicates.md
8903         ("cris_general_operand_or_gotless_symbol"): Remove unused
8904         predicate.
8905         ("cris_general_operand_or_symbol"): Adjust for new functions.
8907 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
8909         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8911 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
8913         * Makefile.in (TREE_H): Add treestruct.def.
8914         (c-decl.o): Add pointer-set.h
8915         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8916         visibility on regular DECL's.
8917         (merge_decls): Fix the copying of decl nodes of various types for
8918         the new structures.  Don't update RTL, section name, weak status,
8919         etc, on DECL's without RTL.
8920         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
8921         Don't check volatile on non-variable types.
8922         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
8923         to check whether we have seen arguments.
8924         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
8925         flag is checked before field (flag is common, field is not).
8926         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
8927         TS_DECL_COMMON could have an origin.
8928         (add_location_or_const_value_attribute): Don't check section name
8929         on non-var/function decls.
8930         (dwarf2out_var_location): Reverse order of tests.
8931         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
8932         with DECL_WRTL_CHECK.
8933         * expmed.c (make_tree): rtl is now in decl_with_rtl.
8934         * fold-const.c (fold_binary): Don't check weakness on
8935         non-var/function decls.
8936         (tree_expr_nonzero_p): Ditto.
8937         (fold_checksum_tree): Use tree_decl_extra as sizeof
8938         buffer.
8939         * ggc-page.c (extra_order_size_table): Add sizes for
8940         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
8941         tree_field_decl.
8942         * gimplify.c (gimplify_bind_expr): Only set
8943         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
8944         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
8945         without RTL.
8946         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
8947         * langhooks.h (init_ts). New langhook.
8948         * passes.c (rest_of_decl_compilation): Reverse order of tests.
8949         * print-tree.c (print_node): Update to only print fields that
8950         exist in the structures the passed decl has.
8951         * toplev.c (wrapup_global_declarations): Don't reset
8952         DECL_DEFER_OUTPUT on DECL's that don't contain it.
8953         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
8954         * tree-inline.c (remap_decl): Ditto.
8955         * tree-outof-ssa.c (create_temp): Reverse order of tests.
8956         * tree-pretty-print.c (print_declaration): Don't print
8957         DECL_REGISTER on things that don't contain it.
8958         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
8959         non-var/function decls.
8960         * tree.c (tree_contains_struct): New structure.
8961         (init_priority_for_decl): New hashtable.
8962         (tree_int_map): New structure.
8963         (tree_int_map_eq): New function.
8964         (tree_int_map_marked_p): Ditto.
8965         (tree_int_map_hash): Ditto.
8966         (tree_map): Move to tree.h.
8967         (tree_map_eq): Externalize.
8968         (tree_map_hash): Ditto.
8969         (tree_map_marked_p): Ditto.
8970         (init_ttree): Set up tree_contains_struct and call langhook.
8971         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
8972         (tree_code_size): Update for new structures.
8973         (tree_node_structure): Update for new structures.
8974         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
8975         without the field.
8976         (copy_node_stat):  Copy init priority.
8977         (build_decl_stat): Ditto for visibility.
8978         (ts_enum_names): New.
8979         (tree_contains_struct_check_failed): New function.
8980         (decl_init_priority_lookup): Ditto.
8981         (decl_init_priority_insert): Ditto.
8982         * treestruct.def: New file.
8983         * tree.h (CODE_CONTAINS_STRUCT): New macro.
8984         (CONTAINS_STRUCT_CHECK): Ditto.
8985         (tree_contains_struct_check_failed): New prototype.
8986         (DECL_CHECK): Removed.
8987         (DECL_MINIMAL_CHECK): New.
8988         (DECL_COMMON_CHECK): Ditto.
8989         (DECL_WRTL_CHECK): Ditto.
8990         (DECL_NON_COMMON_CHECK): Ditto.
8991         (DECL_WITH_VIS_CHECK): Ditto.
8992         (VAR_OR_FUNCTION_DECL_P): Ditto
8993         (struct tree_decl_minimal): New structure.
8994         (struct tree_decl_common): Ditto.
8995         (struct tree_decl_with_rtl): Ditto.
8996         (struct tree_decl_with_vis): Ditto.
8997         (struct tree_decl_non_common): Ditto.
8998         (struct tree_field_decl): Ditto.
8999         (struct tree_parm_decl): Ditto.
9000         (struct tree_var_decl): Ditto.
9001         (struct tree_function_decl): Ditto.
9002         (struct tree_const_decl): Ditto.
9003         (struct tree_result_decl): Ditto.
9004         (union tree_node): Add new structures.
9005         * var-tracking.c (track_expr_p): Reverse order of tests.
9007         * doc/c-tree.texi: Add documentation on DECL node internal structure.
9009 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
9011         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9012         * system.h: Poison FINALIZE_PIC.
9013         * doc/tm.texi (FINALIZE_PIC): Remove.
9015 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9017         PR tree-opt/22329
9018         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9019         to the correct type if we have a MODIFY_EXPR.
9021 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
9023         PR tree-optimization/22360
9024         * tree.c (upper_bound_in_type): Fix calculations for casting
9025         to a non-wider signed type and casting a signed value to a
9026         wider unsigned type.
9027         (lower_bound_in_type): Fix calculations for casting to a
9028         non-wider signed type.
9030         PR tree-optimization/20139
9031         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9032         release_defs.
9033         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9034         fold_cond_expr_cond.
9035         * tree-ssanames.c (release_defs): Assert in_ssa_p.
9036         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9038 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9040         PR tree-opt/22356
9041         * tree-complex.c (expand_complex_libcall): Produce
9042         REALPART_EXPR/IMAGPART_EXPR with the correct type.
9044 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
9046         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9047         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9048         b" assert and inserted fastpath code for this case.
9049         (bitmap_ior): Removed "a != b" assert.
9051 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9053         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9054         (ENDFILE_SPEC): Likewise.
9055         * config/m32r/m32r.h (ASM_SPEC): Likewise.
9057         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9058         a large stack frame at epilogue.
9060 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
9062         * final.c: Include sdbout.h when required.
9064 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
9066         * config.gcc (*-*-darwin*): Only one target-specific header file
9067         for generic darwin.
9068         (powerpc-*-darwin*): Add version-specific header files.
9069         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9070         * config.in: Regenerate.
9071         * configure: Regenerate.
9072         * gcc.c: Include xregex.h.
9073         (version_compare_spec_function): New.
9074         (spec_function): Add version-compare.
9075         (replace_outfile_spec_function): Reformat comment.
9076         (compare_version_strings): New.
9077         * config/darwin-c.c (version_as_macro): New.
9078         (builtin_define): New.
9079         (darwin_cpp_builtins): New.
9080         * config/darwin-protos.h (darwin_cpp_builtins): New.
9081         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9082         (LIB_SPEC): Make unconditional, update comment.
9083         (TARGET_C99_FUNCTIONS): Define.
9084         * config/darwin.opt: Sort.
9085         (mmacosx-version-min=): New.
9086         * config/darwin7.h: Delete.
9087         * config/darwin8.h: Delete.
9088         * config/i386/darwin.h (): Call darwin_cpp_builtins.
9089         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9090         (TARGET_C99_FUNCTIONS): Define.
9091         * config/rs6000/darwin7.h: New.
9092         * config/rs6000/darwin8.h: New.
9093         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9094         (-mmacosx-version-min): Document.
9096 2005-07-07  Ian Lance Taylor  <ian@airs.com>
9098         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9100 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
9102         PR middle-end/22239
9103         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9105 2005-07-07  Khem Raj  <kraj@mvista.com>
9107         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9108         in bytes, not words.
9110 2005-07-07  Paul Brook  <paul@codesourcery.com>
9112         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9113         DEFAULT_FUNCTION_ARG_PADDING to upward.
9115 2005-07-07  Richard Henderson  <rth@redhat.com>
9117         * function.c (locate_and_pad_parm): Record parameter alignment in
9118         stack_alignment_needed.
9120 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
9122         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9123         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9124         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9125         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9126         (define_attr "type"): Add isync, sync, load_l, store_c.
9127         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9128         Create scratch volatile MEM.
9129         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
9130         sync.
9131         (load_locked_<mode>): New.
9132         (store_conditional_<mode>): New.
9133         (sync_compare_and_swap<mode>): Replace with splitter.
9134         (sync_lock_test_and_set<mode>): Replace with splitter.
9135         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9136         and UNSPECV_ISYNC.
9137         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
9138         is ics.  Attribute isync.
9139         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
9140         lwsync.
9141         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9142         and UNSPECV_SYNC_OP.
9143         (emit_unlikely_jump): New.
9144         (emit_load_locked): New.
9145         (emit_store_conditional): New.
9146         (rs6000_split_compare_and_swap): New.
9147         (rs6000_split_lock_test_and_set): New.
9148         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9149         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9150         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9151         rs6000_split_lock_test_and_set): Declare.
9152         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9153         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9154         store_c, isync, sync.
9156 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
9158         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9159         filenames to gtyp-gen.h.
9160         (s-typ-gen): Use it in place of for loops.
9162 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
9164         * hooks.c (hook_bool_rtx_int_false): New function.
9165         * hooks.h (hook_bool_rtx_int_false): Declare.
9166         * target-def.h (TARGET_COMMUTATIVE_P): Define.
9167         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9168         * target.h (struct gcc_target): Add commutative_p member.
9169         * targhooks.c (hook_bool_rtx_commutative_p): New function.
9170         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9171         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9172         (pa_commutative_p): New function.
9173         * jump.c (target.h): Include.
9174         (rtx_renumbered_equal_p): Use targetm.commutative_p.
9175         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9177 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9179         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9180         (s390_expand_setmem): New.
9181         * config/s390/s390.c: Likewise.
9182         (print_shift_count_operand): Truncate to 12 bits instead of 6.
9183         Adapt comments.
9184         * config/s390/s390.md: ("setmem<mode>"): Accept character as
9185         general_operand.  Call new function "s390_expand_setmem".
9186         ("clrmem_long", "*clrmem_long"): Rewrite to ...
9187         ("setmem_long", "*setmem_long"): ... this.
9189 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9191         * config/s390/s390.c: (optimization_options): Enable
9192         TARGET_MVCLE at -Os.
9193         * doc/invoke.texi: Document changes in default behaviour.
9194         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9196 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9198         * expr.c: (set_storage_via_setmem): Convert opchar to mode
9199         defined by back-end.
9201 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
9203         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9204         all sets in the pattern.
9205         * config/rs6000/rs6000.md (stack_protect_testsi,
9206         stack_protect_testdi): Likewise.
9208 2005-07-06  Jeff Law  <law@redhat.com>
9210         * tree-vrp.c (simplify_using_ranges): Kill.
9211         (vrp_finalize): Remove call to simplify_using_ranges.
9212         (simplify_stmt_using_ranges): New function extracted from
9213         simplify_using_ranges.
9214         (simplify_div_or_mod_using_ranges): Likewise.
9215         (simplify_abs_using_ranges): Likewise.
9216         (simplify_cond_using_ranges): New function.
9217         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9218         * tree-ssa-propagate.c (substitute_and_fold): Call
9219         simplify_stmt_using_ranges if we have range information.
9221 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
9223         * config/ia64/ia64.c (ia64_reorg): Check optimize before
9224         ia64_flag_schedule_isns2.
9226         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9227         reading/writing general registers.
9228         (ia64_function_arg): Revert 2005-06-18 change.
9230 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
9232         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9233         (legitimize_tls_address): Use gcc_unreachable instead of abort.
9235 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
9237         * function.c (expand_function_end): Revert part of 2005-06-27
9238         patch.  Do sjlj_emit_function_exit_after after return_label.
9240 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
9242         * doc/install.texi (--disable-libssp): New.
9244 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
9246         * doc/invoke.texi: Update -fforce-mem documentation.
9247         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9248         code for -fforce-mem.
9249         * expmed.c: (store_bit_field,store_fixed_bit_field,
9250         extract_bit_field): Ditto.
9251         * expr.c: (convert_move): Ditto.
9252         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9253         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9254         emit_conditional_add,expand_float,expand_fix): Ditto.
9255         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9256         (common_handle_option): Issue warning when -fforce-mem specified.
9258 2005-07-06  Paul Brook  <paul@codesourcery.com>
9260         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9261         argument is empty.
9262         * configure: Regenerate.
9264 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
9266         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9268 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
9270         Fix PR tree-optimization/22319
9271         Fix PR tree-optimization/22140
9272         Fix PR tree-optimization/22310
9274         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9275         variable sized types.
9276         Use correct type for intermediate structure on *a = *b structure
9277         copies.
9279 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
9281         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9282         Remove.
9283         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9284         (machine_function): Move typedef to...
9285         * config/rs6000/rs6000.c (machine_function): ... here.  Add
9286         varargs_save_offset field.
9287         (rs6000_stack_t): Remove varargs_size field.
9288         (setup_incoming_varargs): Allocate varargs save area using
9289         assign_stack_local, try to make it as small as possible.
9290         Save offset from virtual_stack_vars_rtx to the save area
9291         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
9292         instead of magic 8 when fp word byte size is used.
9293         (rs6000_va_start): Use cfun->machine->varargs_save_offset
9294         instead of -RS6000_VARARGS_SIZE.
9295         (rs6000_stack_info, debug_stack_info,
9296         rs6000_initial_elimination_offset): Remove all traces of
9297         varargs_size.
9298         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9299         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9300         RS6000_VARARGS_AREA.
9302 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
9304         PR tree-optimization/21963
9305         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9306         constant_multiple_of in the same way get_computation_cost_at does.
9308 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
9310         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9311         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9312         (gen_compare_reg): If sparc_compare_emitted is set, clear it
9313         and return its previous value.
9314         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9315         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9316         constants.
9317         (stack_protect_set, stack_protect_test): New expanders.
9318         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9319         stack_protect_testdi): New insns.
9320         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9321         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9323 2005-07-06  Jeff Law  <law@redhat.com>
9325         * tree-ssa-dce.c (cfg_altered): New global.
9326         (tree_dce_init): Initialize cfg_altered.
9327         (remove_dead_stmt): If we remove an edge in the CFG, then set
9328         CFG_ALTERED.
9329         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9330         the dominators.
9332 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
9334         * Makefile.in (stamp-collect-ld): Use
9335         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
9336         ./collect-ld if it already exists.
9337         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9338         Don't remove ./nm if it already exists.
9340 2005-07-05  Devang Patel  <dpatel@apple.com>
9342         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9343         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9344         * tree-vectorizer.c (vect_loop_location): New.
9345         (vect_print_dump_info): Use vect_loop_location.
9346         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9347         (vectorize_loops): Set vect_loop_location.
9348         * tree-vect-analyze.c (vect_analyze_offset_expr,
9349         vect_determin_vectorization_factor, vect_analyze_operations,
9350         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9351         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9352         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9353         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9354         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9355         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9356         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9357         vect_analyze_loop): Adjust vect_print_dump_info API.
9358         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9359         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9360         vect_finish_stmt_generation, vectorizable_assignment,
9361         vectorizable_operation, vectorizable_store, vectorizable_load,
9362         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9363         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9364         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9365         vect_transform_loop): Same.
9366         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9367         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9368         Same.
9370 2005-07-05  Randolph Chung  <tausq@debian.org>
9372         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9373         * configure: Regenerate.
9374         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9375         (pa_tls_referenced_p): Declare.
9376         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9377         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9378         (legitimize_tls_address): New.
9379         (hppa_legitimize_address): Handle TLS addresses.
9380         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9381         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9382         (emit_move_sequence): Handle TLS addresses.
9383         (pa_encode_section_info): Call default handler to handle common
9384         sections.
9385         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9386         (CONSTANT_ADDRESS_P): Reject TLS operands.
9387         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9388         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9389         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9390         (UNSPEC_TLSLE): Define new constants.
9391         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9392         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9393         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9394         (tie_symbolic_operand, tle_symbolic_operand): New
9396 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
9398         * aclocal.m4: Update macros for autoconf 2.59 style.
9399         * configure.ac: Likewise.
9401 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9403         * pa.c (function_value): Handle small aggregates on 32-bit targets.
9404         (function_arg): Pass small aggregates in general registers on 32-bit
9405         targets.
9406         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9408 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
9410         * Makefile.in (final.o): Fix dependencies.
9412 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
9414         PR c/22013
9415         PR c/22098
9416         * langhooks.h (struct lang_hooks): Add expr_to_decl.
9417         * langhooks.c (lhd_expr_to_decl): New.
9418         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9419         New.
9420         (LANG_HOOKS_INITIALIZER): Update.
9421         * tree.c (recompute_tree_invarant_for_addr_expr): Call
9422         expr_to_decl langhook.
9423         * c-tree.h (c_expr_to_decl): Declare.
9424         * c-typeck.c (c_expr_to_decl): New.
9425         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9426         specially.
9427         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9429 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
9431         PR c/22308
9432         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9433         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9435 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
9437         * Makefile.in: Adjust dependencies.
9438         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9439         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9440         * alias.c (rest_of_handle_cfg, pass_cfg): New.
9441         * bb-reorder.c (duplicate_computed_gotos): Make it static.
9442         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9443         rest_of_compilation.
9445         * bb-reorder.c (gate_duplicate_computed_gotos,
9446         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9447         rest_of_handle_reorder_blocks, pass_reorder_blocks,
9448         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9449         pass_partition_blocks): New.
9450         * bt-load.c (gate_handle_branch_target_load_optimize,
9451         rest_of_handle_branch_target_load_optimize,
9452         pass_branch_target_load_optimize): New.
9453         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9454         pass_jump2): New.
9455         * cfglayout.c (pass_insn_locators_initialize): New.
9456         * cfgrtl.c (pass_free_cfg): New.
9457         * combine.c (gate_handle_combine, rest_of_handle_combine,
9458         pass_combine): New.
9459         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9460         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9461         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9462         * except.c (pass_set_nothrow_function_flags,
9463         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9464         pass_rtl_eh): New.
9465         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9466         rest_of_handle_shorten_branches, pass_shorten_branches,
9467         rest_of_clean_state, pass_clean_state): New.
9468         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9469         rest_of_handle_remove_death_notes, pass_remove_death_notes,
9470         rest_of_handle_life, pass_life, rest_of_handle_flow2,
9471         pass_flow2): New.
9472         * function.c (pass_instantiate_virtual_regs, pass_init_function,
9473         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9474         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9475         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9476         pass_gcse): New.
9477         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9478         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9479         pass_rtl_ifcvt, gate_handle_if_after_combine,
9480         rest_of_handle_if_after_combine, pass_if_after_combine,
9481         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9482         pass_if_after_reload): New.
9483         * integrate.c (pass_initial_value_sets): New.
9484         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9485         pass_purge_lineno_notes): New.
9486         * mode-switching.c (rest_of_handle_mode_switching,
9487         pass_mode_switching): New.
9488         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9489         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9490         pass_loop2): New.
9491         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9492         pass_loop_optimize): New.
9493         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9494         pass_sms): New.
9495         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9496         pass_gcse2): New.
9497         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9498         pass_postreload_cse): New.
9499         * profile.c (gate_handle_profiling, pass_profiling,
9500         rest_of_handle_branch_prob, pass_branch_prob): New.
9501         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9502         pass_split_before_regstack, gate_handle_split_before_regstack,
9503         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9504         rest_of_handle_split_all_insns, pass_split_all_insns): New.
9505         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9506         pass_stack_regs): New.
9507         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9508         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9509         pass_stack_adjustments): New.
9510         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9511         pass_regrename): New.
9512         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9513         pass_delay_slots, gate_handle_machine_reorg,
9514         rest_of_handle_machine_reorg, pass_machine_reorg): New.
9515         * rtl.h (extern void purge_line_number_notes): New.
9516         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9517         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9518         pass_sched2): New.
9519         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9520         pass_tracer): New.
9521         * value-prof.c (gate_handle_value_profile_transformations,
9522         rest_of_handle_value_profile_transformations,
9523         pass_value_profile_transformations): New.
9524         * var-tracking.c (gate_handle_var_tracking,
9525         pass_variable_tracking): New.
9526         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9528         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9529         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9530         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9531         rest_of_handle_old_regalloc, rest_of_handle_regrename,
9532         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9533         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9534         rest_of_handle_gcse2, rest_of_handle_regmove,
9535         rest_of_handle_tracer, rest_of_handle_if_conversion,
9536         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9537         rest_of_handle_web, rest_of_handle_branch_prob,
9538         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9539         rest_of_handle_jump_bypass, rest_of_handle_combine,
9540         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9541         rest_of_handle_gcse, rest_of_handle_loop_optimize,
9542         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9543         rest_of_handle_mode_switching, rest_of_handle_jump,
9544         rest_of_handle_eh, rest_of_handle_stack_adjustments,
9545         rest_of_handle_flow2, rest_of_handle_jump2,
9546         rest_of_handle_peephole2, rest_of_handle_postreload,
9547         rest_of_handle_shorten_branches, rest_of_clean_state,
9548         rest_of_compilation): Remove.
9550         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9551         * passes.c (dump_flags, in_gimple_form, all_passes,
9552         all_ipa_passes, all_lowering_passes, register_one_dump_file,
9553         register_dump_files, next_pass_1, last_verified, execute_todo,
9554         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9555         from tree-optimize.c.
9556         (init_optimization_passes): Moved from tree-optimize.c,
9557         adding the RTL optimizations.
9558         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9559         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9560         all_ipa_passes, all_lowering_passes, register_one_dump_file,
9561         register_dump_files, next_pass_1, last_verified, execute_todo,
9562         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9563         init_tree_optimization_passes, ipa_passes): Delete.
9564         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9565         the RTL dumps.
9566         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9567         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9568         from tree.h.
9569         (ipa_passes): Remove.
9570         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9571         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9572         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9573         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9574         (dump_info_p, dump_flag): Moved to tree-dump.h.
9576         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9577         cgraph.c, opts.c.
9578         * passes.c (finish_optimization_passes): Use dump_begin
9579         and dump_end, TDI_end.
9580         (gate_rest_of_compilation): New.
9581         (pass_rest_of_compilation): Use it.
9582         (gate_postreload, pass_postreload): New.
9583         * toplev.c (general_init): Rename init_tree_optimization_passes.
9584         * toplev.h (init_tree_optimization_passes): Rename to
9585         init_optimizations_passes.
9586         * tree-dump.c (dump_flag): Make static.
9587         (dump_files): Remove RTL dumps.
9588         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9589         pass_cleanup_cfg, pass_free_cfg_annotations,
9590         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9591         pass_init_datastructures, pass_fixup_cfg): Make non-static.
9592         * tree-pretty-print.c: Include tree-pass.h.
9593         * cgraph.c: Include tree-dump.h.
9595 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
9597         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9598         Only fall back to saying it points to readonly memory if
9599         we can't do better.
9601 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9603         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9604         * config/m32r/m32r.c (m32r_compute_frame_size,
9605         m32r_expand_prologue): Take current_function_profile into
9606         account whenever we reference
9607         current_function_uses_pic_offset_table.
9608         (m32r_finalize_pic): Remove.
9609         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9611 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
9613         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9614         instead of $<.  Don't remove ./as if it already exists.
9616 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9618         PR target/21723
9619         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9620         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9621         for complex modes when generating code for PA 1.0.
9622         (VALID_FP_MODE_P): New macro.
9623         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
9624         sets for all general and floating point modes.  Align wide floating
9625         point modes to even register boundaries to comply with architectural
9626         requirements.
9627         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9628         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9629         (VALID_FP_MODE_P): New macro.
9630         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
9631         sets for all general and floating point modes.  Align wide floating
9632         point modes to even register boundaries to comply with architectural
9633         requirements.
9635 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9637         * tree-dump.c (dump_files): Initialize dump number for .cgraph
9638         to 0.
9640 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9642         * tree-ssa-structalias.c: Don't include expr.h.
9644 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9646         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9647         comments.
9649 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
9651         Fix PR tree-optimization/22279
9653         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9654         correct operator.
9656 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
9658         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9660 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
9662         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9663         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9664         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9665         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9666         config/stormy16/stormy16.c, config/v850/v850.c,
9667         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9668         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9669         Avoid "." or "\n" at end of diagnostics and capital letters at
9670         start of diagnostics.
9671         * combine.c, cse.c: Don't translate dump file output.
9672         * toplev.c (print_version): Only translate output if going to
9673         stderr.
9675 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
9677         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9678         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9679         typos.
9681 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9683         * pa.c (fix_range): Fix typo in comment.
9685 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
9687         * tree-vrp.c (extract_range_from_assert): Replace
9688         fold (build (...)) with fold_build2.
9690 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9692         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9693         gcc_gfc_char_table, init_dynamic_gfc_info): New.
9694         (format_types_orig, handle_format_attribute): Add support for
9695         format "gcc_gfc".
9697 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9699         * varasm.c (assemble_variable): Fix format specifier thinko.
9701 2005-07-03  Ira Rosen  <irar@il.ibm.com>
9703         PR tree-optimization/22029 (and 22135)
9704         * tree-pretty-print.c (dump_generic_node): Check that the node is not
9705         a phi node before calling dump_vops.
9707 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9709         * tree-dump.h (dump_string_field): Declare.
9710         * tree-dump.c: Use it instead of dump_string.
9711         (dump_string_field): Make non-static.
9713 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
9715         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9716         up the minimal CFG stuff always when optimize > 0.  Call
9717         split_all_insns_noflow in PIC case if needed.
9719 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9720             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9722         PR c++/18279
9723         * c-decl.c (c_write_global_declarations): Dump contents of
9724         external scope to.
9725         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9726         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9727         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9728         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9729         is enabled.
9731 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
9733         * c-common.h (GCC_DIAG_STYLE): Define.
9734         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
9735         version for format checking to 4.1.
9736         * c-format.c: Include toplev.h after c-common.h.
9737         (enum format_type): Add gcc_tdiag_format_type.
9738         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9739         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9740         (format_types_orig): Add gcc_tdiag.
9741         (init_dynamic_diag_info): Support gcc_tdiag formats.
9742         (handle_format_attribute): Likewise.
9743         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9744         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
9745         version for format checking to 4.1.
9746         (warning0, warning, error, pedwarn, sorry): Use
9747         ATTRIBUTE_GCC_DIAG.
9748         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9749         (finish_aliases_1): Do not use %qE.
9750         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9751         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9752         Correct format bugs.
9753         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9754         parameter to unsigned HOST_WIDE_INT.
9755         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9757 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
9759         PR middle-end/21742
9760         * expr.c (write_complex_part): Use adjust_address for MEM.
9761         (read_complex_part): Same.
9763 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
9765         Fix PR tree-optimization/22280
9767         * tree-sra.c (generate_element_init): Remove useless loop.
9769 2005-07-02  Richard Henderson  <rth@redhat.com>
9771         * config/alpha/alpha.c (alpha_legitimize_address): Check for
9772         TLS_MODEL_NONE.
9773         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9775 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
9777         PR middle-end/14490
9778         * fold-const.c (fold_binary): Handle the return value of
9779         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9780         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9782 2005-07-02  Jeff Law  <law@redhat.com>
9784         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9785         a eliminate type conversion which feeds an equality comparison
9786         if the original type or either operand in the comparison is a
9787         function pointer.
9789 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
9791         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9792         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9793         texts.
9794         * config/avr/avr.c: Do not use '`' as left quote.
9795         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9796         Remove "." from end of diagnostics.  Make diagnostics start with
9797         lowercase letter.
9799 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
9800             Joseph S. Myers  <joseph@codesourcery.com>
9802         * toplev.c (default_tree_printer): Handle setting location with
9803         '+' flag.
9804         * c-objc.common.c (c_tree_printer): Likewise.
9805         * c-format.c (gcc_diag_flag_specs): Add '+'.
9806         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9807         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9808         formats.
9809         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9810         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9811         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9812         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9813         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9814         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
9815         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
9816         format arguments where %J is used without %D.
9818 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
9820         * gcc.c (LINK_SSP_SPEC): Define.
9821         (link_ssp_spec): New variable.
9822         (LINK_COMMAND_SPEC): Add %(link_ssp).
9823         (static_specs): Add link_ssp_spec.
9824         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9825         * configure: Rebuilt.
9826         * config.in: Rebuilt.
9828         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9829         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9830         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9831         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9832         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9833         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9834         -0x7008(2) instead of reading __stack_chk_guard variable.
9835         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9836         number.
9837         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9838         (stack_protect_set, stack_protect_test): Use *_tls* patterns
9839         if TARGET_THREAD_SSP_OFFSET is defined.
9840         (stack_tls_protect_set_si, stack_tls_protect_set_di,
9841         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9843         Revert:
9844         2005-06-27  Richard Henderson  <rth@redhat.com>
9845         * libgcc-std.ver (GCC_4.1.0): New.
9846         * libgcc.h (__stack_chk_guard): Declare.
9847         (__stack_chk_fail, __stack_chk_fail_local): Declare.
9848         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9849         * mklibgcc.in (lib2funcs): Add them.
9851 2005-07-01  Richard Henderson  <rth@redhat.com>
9853         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9854         void * before struct sigcontext *.
9855         (x86_fallback_frame_state): Likewise.
9857 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
9859         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9861 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
9863         PR tree-opt/22269
9864         * tree-ssa-reassoc.c (should_transpose): Fix which operand
9865         we check for SSA_NAME for.
9867 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
9869         Fix PR tree-optimization/22071
9871         * tree-ssa-structalias.c (offset_overlaps_with_access): New
9872         function.
9873         (get_constraint_for_component_ref): Use it.
9875 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
9877         PR other/22264
9878         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9879         print out the last new line.
9881 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
9883         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9884         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9885         * config/cris/cris.c (cris_conditional_register_usage): Adjust
9886         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9887         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9888         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9889         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9890         (enum reg_class): New member CC0_REGS.
9891         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9892         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9893         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9894         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9895         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9896         Adjust for register now described.
9898 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
9900         PR target/22262
9901         * config/i386/i386.md (stack_protect_test_si,
9902         stack_protect_test_di): Add earlyclobber for scratch 3.
9903         * config/rs6000/rs6000.md (stack_protect_testsi,
9904         stack_protect_testdi): Add earlyclobber for scratch 3,
9905         remove earlyclobber from scratch 4.
9907 Older entries for 2005 can be found in ChangeLog-2005.