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