1 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
3 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
4 argument, they are always sparc_compare_op0 and sparc_compare_op1.
5 (gen_v9_scc): Update callers.
6 * config/sparc/sparc.md: Likewise.
7 * config/sparc/sparc-protos.h: Update extern declaration.
9 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
11 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
14 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
16 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
17 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
20 2005-11-29 Ben Elliston <bje@au.ibm.com>
22 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
25 2005-11-29 Ben Elliston <bje@au.ibm.com>
27 * Makefile.in (clean-target): Depend on clean-target-libgcc.
28 (clean-target-libgcc): Import rule from the top-level Makefile.in.
30 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
34 * builtins.c (init_target_chars): New.
35 (expand_builtin_printf, expand_builtin_fprintf,
36 expand_builtin_sprintf, fold_builtin_sprintf,
37 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
38 fold_builtin_snprintf_chk, fold_builtin_printf,
39 fold_builtin_fprintf): Check for matching format strings using
42 2005-11-29 Paul Brook <paul@codesourcery.com>
44 * config.gcc: Do not use fixproto on m68k-elf.
46 2005-11-28 Roger Sayle <roger@eyesopen.com>
48 * expmed.c (div_cost): Replace with...
49 (sdiv_cost, udiv_cost): New.
50 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
51 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
52 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
53 (expand_divmod): Replace use of div_cost with either sdiv_cost
54 or udiv_cost depending upon the signedness of the operation.
56 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
59 * config/darwin.c (machopic_indirection_name,
60 machopic_output_indirection): Follow transparent alias chain.
62 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
64 * varasm.c (ultimate_transparent_alias_target): Add comment.
66 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
68 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
69 SET_SRC instead of XEXP where appropriate.
71 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
73 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
76 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
78 * config/fp-bit.h (LSHIFT): Take shift count parameter.
79 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
82 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
84 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
85 secondary_input_reload_class, made static. Adapt to new
87 (secondary_output_reload_class): Delete.
88 (TARGET_SECONDARY_RELOAD): New macro.
89 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
90 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
92 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
95 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
96 when its natural alignment is > BITS_PER_UNIT.
97 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
98 * c-common.c (handle_packed_attribute): Ignore packing on a field
99 whose type is naturally char aligned.
101 2005-11-28 Richard Guenther <rguenther@suse.de>
103 * c-common.c (strict_aliasing_warning): Handle all
104 component-ref like accesses.
106 2005-11-28 Roger Sayle <roger@eyesopen.com>
107 Uros Bizjak <uros@kss-loka.si>
110 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
111 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
112 when flag_unsafe_math_optimizations is set and
113 we don't care about NaNs or Infinities.
115 Move x/expN(y) and x/pow(y,z) transformation into common
116 flag_unsafe_math_optimizations section.
118 2005-11-27 Mark Mitchell <mark@codesourcery.com>
120 * gcc.c (main): Change type of argv to "char **".
122 2005-11-28 Alan Modra <amodra@bigpond.net.au>
124 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
126 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
127 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
128 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
129 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
130 output locals to sbss if !rs6000_elf_in_small_data_p.
131 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
133 2005-11-28 Alan Modra <amodra@bigpond.net.au>
136 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
138 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
139 indexed_or_indirect_address.
140 (indexed_or_indirect_address): Don't test for base reg. Call
141 address_operand last. Make it a special predicate.
143 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
145 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
147 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
150 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
152 (negate_expr): Likewise.
154 2005-11-27 Andreas Schwab <schwab@suse.de>
156 * config/m68k/m68k.c: Reindent and fix whitespace, remove
159 2005-11-27 Steven Bosscher <stevenb@suse.de>
161 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
162 has EH predecessor edges.
164 2005-11-26 Eric Christopher <echristo@apple.com>
166 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
167 register stalls by zero extending to the full register.
169 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
171 * config/floatunsisf.c, config/floatunsidf.c,
172 config/floatunsixf.c, config/floatunsitf.c: New files.
173 * config/ia64/t-hpux: Add floatunsitf.c.
174 * config/ia64/ia64.c (ia64_init_libfuncs): Use
175 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
177 2005-11-26 Richard Henderson <rth@redhat.com>
179 * c-lex.c (pragma_lex): Rename from c_lex.
180 * c-pch.c: Update for pragma_lex rename.
181 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
182 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
183 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
184 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
185 * doc/tm.texi: Likewise.
187 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
190 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
191 when overflow is undefined.
193 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
195 * doc/md.texi (Insn Canonicalizations): Refer to the
196 function commutative_operand_precedence for further rules.
198 2005-11-25 Roger Sayle <roger@eyesopen.com>
201 * expmed.c (choose_mult_variant): Return immediately when mult_cost
202 is less than zero. Limit mult_cost to a reasonable upper bound for
203 the synthetic multiplication sequence.
205 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
208 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
209 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
210 Lookup the explicit replacement functions for any unlocked
211 stdio builtin transformations.
213 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
215 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
217 * targhooks.c (default_secondary_reload): Don't require operand 2
218 for an input reload to be earlyclobber.
220 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
222 * fold-const.c (negate_mathfn_p): Fix comment and add support
223 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
226 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
229 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
230 _Q_ulltoq for unsigned conversions from SImode and DImode to
233 2005-11-25 Alan Modra <amodra@bigpond.net.au>
235 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
236 (__floatundidf, __floatundisf): Likewise.
238 2005-11-25 David Edelsohn <edelsohn@gnu.org>
240 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
241 (rs6000_override_options): Remove initialization of
243 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
244 (rs6000_emit_stack_tie): Same.
245 (emit_frame_save): Same.
246 (gen_frame_mem_offset): Same.
247 (rs6000_emit_prologue): Same.
248 (rs6000_emit_epilogue): Same.
250 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
253 * fold-const.c (fold_build): Convert bool_var != 1 and
254 bool_var == 0 to !bool_var.
256 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
259 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
260 for C being INTEGER_CST. Likewise for !=.
262 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
265 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
266 unsigned conversions from SImode to TFmode.
268 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
270 * expr.c (expand_expr_real_1): Fix error in last change.
272 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
274 * caller-save.c: (this_insn_sets): Move into:
275 (save_call_clobbered_regs).
276 (mark_set_regs): Get this_insn_sets from data.
278 (save_call_clobbered_regs): Take sets of the return value by
279 sibcalls into account.
281 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
284 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
285 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
286 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
287 (memory_move_secondary_cost, init_reg_autoinc): Remove
288 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
289 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
290 secondary_reload_class call.
291 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
293 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
294 (push_secondary_reload): Use secondary_reload target hook.
295 (secondary_reload_class, scratch_reload_class): New functions.
296 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
297 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
298 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
299 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
300 (secondary_reload_class, scratch_reload_class): Declare.
301 * reload1.c: Include target.h.
302 (reload_adjust_reg_for_temp): New function.
303 (reload_adjust_reg_for_icode): Likewise.
304 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
305 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
307 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
308 for inheritance. Support case when both secondary & tertiary reloads
309 are for intermediate registers.
310 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
311 with secondary_reload_class call. Support case when both secondary
312 & tertiary reloads are for intermediate registers.
313 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
314 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
315 * target.h (secondary_reload_info): New struct / typedef.
316 (struct gcc_target): New member secondary_reload.
317 * targhooks.c Include reload.h, optabs.h and recog.h.
318 (default_secondary_reload): New function.
319 * targhooks.h (default_secondary_reload): Declare.
320 * doc/tm.texi: Document secondary_reload target hook. Update
321 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
322 * doc/md.texi: Likewise.
324 * sh-protos.h (sh_secondary_reload): Declare.
325 * sh.c (TARGET_SECONDARY_RELOAD): Override.
326 (sh_secondary_reload): New function.
327 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
328 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
329 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
330 (HAVE_SECONDARY_RELOADS): Define.
331 * sh.md (reload_indf): Rename to:
333 (reload_outdf): Rename to:
334 (reload_outdf__RnFRm).
335 (reload_insf): Rename to:
337 (reload_insi): Rename to:
338 (reload_insi__i_fpul).
340 2005-11-24 Uros Bizjak <uros@kss-loka.si>
342 * configure.ac: Require at least texinfo 4.4.
343 * configure: Regenerate.
345 * doc/install.texi (Tools/packages necessary for building GCC):
346 Update required version of texinfo to at least 4.4.
347 (Installing GCC: Building): Update required version of texinfo
349 (Installing GCC: Final installation): Update required version
350 of texi2dvi to at least 4.4.
351 (Host/target specific installation notes for GCC): Update required
352 version of texinfo to at least 4.4.
354 2005-11-24 Richard Guenther <rguenther@suse.de>
355 Dirk Mueller <dmueller@suse.de>
358 * c-common.h (strict_aliasing_warning): Declare.
359 * c-common.c (strict_aliasing_warning): New function,
361 * c-typeck.c (build_c_cast): ... here.
363 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
365 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
367 (swap_commutative_operands_with_target): New.
369 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
371 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
372 also when doing PRE, rather than only for global CPROP.
374 2005-11-24 Ben Elliston <bje@au.ibm.com>
376 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
377 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
379 (expand_twoval_unop): Likewise.
380 (widen_clz): Likewise.
381 (expand_parity): Likewise.
382 (expand_unop): Likewise.
383 (emit_cmp_and_jmp_insn_1): Likewise.
384 (prepare_float_lib_cmp): Likewise.
386 2005-11-24 Ben Elliston <bje@au.ibm.com>
388 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
389 Remove unused `class' variable.
391 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
394 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
395 C/C++ diagnostic function warn_array_subscript_with_type_char.
396 * c-common.h (warn_array_subscript_with_type_char): Declare.
397 * c-common.c (warn_array_subscript_with_type_char): Define.
399 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
402 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
403 compiling at the intersection of C and C++.
405 2005-11-23 Mark Mitchell <mark@codesourcery.com>
407 * doc/invoke.texi: For man pages, include gcc-vers.texi.
408 List @file in the option summary. Include the libiberty
409 documentation for @file.
410 * gcc.c (main): Call expandargv.
411 * Makefile.in (gcc-vers.texi): Define srcdir.
413 2005-11-23 Diego Novillo <dnovillo@redhat.com>
415 * passes.c (init_optimization_passes): Document
416 sequencing of passes.
418 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
420 * config/m68k/predicates.md (pcrel_address, extend_operator,
421 post_inc_operand, pre_dec_operand): Remove redundant
423 (const_uint32_operand, const_sint32_operand): Use gcc_assert
425 (valid_dbcc_comparison_p): Rewrite in the lisp style.
427 2005-11-23 Ben Elliston <bje@au.ibm.com>
429 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
431 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
433 Preparatory work for PR target/21623:
434 * alpha.c (secondary_reload_class): Rename to:
435 (alpha_secondary_reload_class).
436 * alpha.h, alpha-protos.h: Likewise.
437 * mn10300.c (secondary_reload_class): Rename to:
438 (mn10300_secondary_reload_class).
439 * mn10300.h, mn10300-protos.h: Likewise.
440 * pa.c (secondary_reload_class): Rename to:
441 (pa_secondary_reload_class).
442 * pa.h, pa-protos.h: Likewise.
443 * rs6000.c (secondary_reload_class): Rename to:
444 rs6000_secondary_reload_class.
445 * rs6000.h, rs6000-protos.h: Likewise.
447 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
450 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
452 2005-11-22 Ian Lance Taylor <ian@airs.com>
454 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
456 (prepare_cmp_insn): Likewise.
458 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
461 * m68k.md (zero_extendsidi2): Force operands[1] to a register
462 if both operands[0] and operands[1] are memory.
464 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
467 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
468 COMPARISON_CLASS_P and an integral types create create a new
469 expression with the new type and fold that.
471 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
474 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
475 to SUBTARGET_OS_CPP_BUILTINS.
477 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
479 * arm.c (emit_set_insn): New function.
480 (arm_split_constant): Call it.
481 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
482 (arm_legitimize_address): Likewise. Use plus_constant.
483 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
484 (thumb_expand_prologue): Likewise.
485 (arm_gen_load_multiple): Use VOIDmode in SET.
486 (arm_gen_store_multiple): Likewise.
487 (vfp_emit_fstmx): Likewise. Use plus_constant.
488 (emit_multi_reg_push): Likewise.
489 (emit_sfm): Use plus_constant.
491 2005-11-23 Alan Modra <amodra@bigpond.net.au>
494 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
497 2005-11-22 Alan Modra <amodra@bigpond.net.au>
500 * expmed.c (store_bit_field): Don't attempt to insv a field
503 2005-11-22 Alan Modra <amodra@bigpond.net.au>
506 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
507 explicit sign extension, not a (char) cast.
509 2005-11-22 Ben Elliston <bje@au.ibm.com>
511 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
512 GET_MODE_CLASS (x) == MODE_FLOAT.
513 * config/i386/i386.c: Likewise.
514 * config/rs6000/xcoff.h: Likewise.
515 * config/rs6000/linux64.h: Likewise.
516 * config/rs6000/rs6000.c: Likewise.
517 * config/rs6000/rs6000.h: Likewise.
518 * config/rs6000/predicates.md: Likewise.
519 * config/rs6000/sysv4.h: Likewise.
521 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
523 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
526 * config/alpha/freebsd.h, config/alpha/linux.h,
527 config/arm/linux-elf.h, config/bfin/bfin.h,
528 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
529 config/i386/beos-elf.h, config/i386/gnu.h,
530 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
531 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
532 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
533 config/rs6000/linux64.h, config/rs6000/sysv4.h,
534 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
535 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
536 config/sparc/linux.h, config/sparc/linux64.h,
537 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
539 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
540 are both defined when either flag -fpic or -fPIC are used.
542 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
544 * config/fp-bit.c (clzusi): New function.
545 (si_to_float, usi_to_float): Use it to compute proper shift.
546 (usi_to_float): Preserve guard bits when shifting right.
547 * libgcc-std.ver (GCC_4.2.0): New version.
548 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
549 __floatundisf): New functions.
550 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
551 __floatundisf): Declare.
552 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
553 _floatundixf, and _floatunditf.
554 * optabs.c (expand_float): If target does not define a pattern for
555 signed or unsigned conversion, use an unsigned libcall instead of
557 (init_optabs): Initialize ufloat_optab.
559 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
561 * config/rs6000/rs6000.opt (mmulhw): New option.
562 * doc/invoke.texi (-mmulhw): Document.
563 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
565 * config/rs6000/rs6000.md: Add half-word multiply and
566 multiply-accumulate instructions for 405 and 440.
568 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
570 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
571 which matches behavior of gcc 4.0 and older for RTEMS targets. The
572 default now includes a linker group which makes the RTEMS one nest.
574 2005-11-22 Ben Elliston <bje@au.ibm.com>
576 * cse.c (fold_rtx): Typo fix.
577 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
579 2005-11-21 Richard Henderson <rth@redhat.com>
581 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
582 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
584 * c-tree.h (lookup_name): Move declaration ...
585 * c-common.h (lookup_name): ... here.
586 * config/darwin-c.c: Include c-common.h.
587 * config/t-darwin: Update dependencies.
589 2005-11-22 Ben Elliston <bje@au.ibm.com>
591 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
592 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
593 * genopinit.c (gen_insn): Likewise.
594 * reload.c (find_equiv_reg): Likewise.
595 * loop.c (load_mems): Likewise.
596 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
597 * cse.c (find_comparison_args, fold_rtx): Likewise.
598 * dwarf2out.c (add_const_value_attribute): Likewise.
599 * expr.c (convert_move): Likewise.
600 * recog.c (general_operand, register_operand): Likewise.
601 * reg-stack.c (replace_reg): Likewise.
602 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
603 * c-common.c (handle_vector_size_attribute): Likewise.
604 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
605 (simplify_binary_operation_1): Likewise.
606 (simplify_const_binary_operation): Likewise.
607 (simplify_relational_operation): Likewise.
608 (simplify_const_relational_operation): Likewise.
609 (simplify_immed_subreg): Likewise.
610 * emit-rtl.c (gen_lowpart_common): Likewise.
611 * expmed.c (expand_mult): Likewise.
612 * stor-layout.c (layout_type): Likewise.
614 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
617 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
618 cst2 only for SPE vectors.
620 2005-11-21 David Edelsohn <edelsohn@gnu.org>
623 * config/rs6000/predicates.md (vrsave_operation): Check
624 UNSPEC_VOLATILE value.
626 2005-11-21 Jan Hubicka <jh@suse.cz>
628 PR tree-optimization/24653
629 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
631 2005-11-21 Uros Bizjak <uros@kss-loka.si>
633 * config/i386/predicates.md (ax_reg_operand): New predicate.
634 (memory_displacement_only_operand): New predicate.
635 * config/i386/i386.md ("modrm" attribute): Return 0 if one
636 operand is AX register and the other operand is memory operand
637 with displacement only.
639 2005-11-21 Uros Bizjak <uros@kss-loka.si>
641 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
642 if we don't care about NaNs or Infinities.
644 2005-11-20 Ian Lance Taylor <ian@airs.com>
646 PR rtl-optimization/24883
647 * combine.c (combinable_i3pat): When checking whether the
648 destination of i3 is used in i3, consider paradoxical subregs.
650 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
653 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
655 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
657 * combine.c (try_combine): Do not run subst on i1src and i2src in
658 the case of generating a PARALLEL for a comparison.
660 2005-11-20 Richard Henderson <rth@redhat.com>
663 * tree-sra.c (struct sra_elt): Add all_no_warning.
664 (struct sra_walk_fns) <use>: Add use_all argument.
665 (sra_walk_expr): Pass it.
666 (sra_walk_modify_expr): Likewise.
667 (scalarize_ldst): Likewise.
668 (scan_use): Update for new argument.
669 (mark_no_warning): New.
670 (scalarize_use): Use it.
672 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
674 * expr.c (expand_expr_real): Use usmul_optab for widening
675 signed * unsigned multiplies.
676 * genopinit.c (optabs): Add usmul_widen_optab.
677 * optabs.c (init_optabs): Likewise.
678 * optabs.h (enum optab_index): Add OTI_usmul_widen.
679 (usmul_widen_optab): Define.
680 * config/bfin/bfin.md (usmulhisi3): New pattern.
682 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
684 2005-11-20 Graham Stott <btinternet.com>
686 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
688 2005-11-20 Andreas Schwab <schwab@suse.de>
691 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
694 2005-11-19 Richard Henderson <rth@redhat.com>
697 * tree-gimple.c (is_gimple_id): Export.
698 * tree-gimple.h (is_gimple_id): Declare.
699 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
700 (get_default_value): Use it.
701 (maybe_fold_stmt_indirect): Likewise.
703 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
705 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
706 than VR1 or vice-versa.
708 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
712 * reload.c (find_reloads_address_1): Mention dependency on
714 * reload1.c (gen_reload): For IN with an unary operation, try
715 moving inner expression to OUT if trivial SET is not valid.
716 Confirm that the result is valid. Move common code block into...
717 (emit_insn_if_valid_for_reload): New function.
719 2005-11-19 Richard Guenther <rguenther@suse.de>
721 * fold-const.c (fold_indirect_ref_1): Make sure we fold
722 ARRAY_REFs of constant strings.
724 2005-11-19 Jakub Jelinek <jakub@redhat.com>
726 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
729 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
731 * combine.c (make_compound_operation): Swap operands of
732 commutative operation if necessary before returning.
734 2005-11-19 Richard Guenther <rguenther@suse.de>
737 * fold-const.c (fold_plusminus_mult_expr): New function.
738 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
739 cases, remove now unnecessary code.
741 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
743 * gensupport.c (old_preds): Rename to std_preds, add special field.
744 (struct old_pred_table): Rename to struct std_pred_table, add special
746 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
747 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
748 (init_predicate_table): Adjust, and set along the way whether a
749 predicate is special.
751 2005-11-18 Mark Mitchell <mark@codesourcery.com>
753 * BASE-VER: Change to 4.2.0.
755 2005-11-18 James E Wilson <wilson@specifix.com>
757 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
760 2005-11-18 Mike Stump <mrs@apple.com>
762 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
763 * config/darwin-c.c (darwin_pragma_unused): Likewise.
764 * c-decl.c (lookup_name_two) Remove.
765 * c-tree.h (lookup_name_two): Remove.
766 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
767 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
768 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
769 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
771 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
774 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
775 when not generating code to use that co-processor.
777 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
779 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
780 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
781 these functions are now in tree-phinodes.c.
783 2005-11-18 Jie Zhang <jie.zhang@analog.com>
785 * config/bfin/bfin.md (trap): New pattern.
787 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
789 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
792 * expr.c (expand_expr_real): Don't call record_block_change unless
793 ib_boundaries_block is non-null
795 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
797 * fold-const.c (build_range_check): Use proper type for subtraction
798 when merging lower bound.
800 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
802 PR rtl-optimization/24497
803 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
806 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
808 * tree-scalar-evolution.c (expression_expensive_p): New function.
809 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
811 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
813 * config/bfin/crtlibid.s: New file.
815 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
818 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
819 when not using sjlj exceptions.
820 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
821 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
822 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
823 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
824 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
825 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
826 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
827 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
828 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
829 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
830 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
831 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
832 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
834 * config/pa/hpux-unwind.h: New file.
836 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
838 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
839 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
840 * varasm.c (do_assemble_alias): Adjust call.
841 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
843 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
845 2005-11-17 James E Wilson <wilson@specifix.com>
847 * tree.def (FUNCTION_DECL): Correct typo in comment.
849 2005-11-17 Richard Henderson <rth@redhat.com>
851 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
852 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
853 and DW_CFA_def_cfa_sf.
854 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
855 (dbx_reg_number): Don't assert particular registers here.
856 (based_loc_descr): ... do it here instead. Fold in ...
857 (eliminate_reg_to_offset): ... this function.
858 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
859 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
860 * unwind-dw2.c (execute_cfa_program): Apply data align factor
861 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
862 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
863 (instantiate_virtual_regs): Likewise.
864 * var-tracking.c (adjust_stack_reference): Likewise.
865 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
867 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
869 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
870 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
871 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
873 ($(T)crtlibid.o): New rule.
875 2005-11-16 Richard Guenther <rguenther@suse.de>
878 * fold-const.c (extract_array_ref): Return byte offset
880 (fold_binary): Fold &x[a] CMP &x[b] to
881 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
884 2005-11-16 Richard Henderson <rth@redhat.com>
887 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
888 parts of an SSA_NAME.
890 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
893 * arm.md (split for movsf with immediate): Restrict split to insns
894 that set a general register.
896 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
898 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
900 * unwind-dw2.c (uw_advance_context): Likewise.
901 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
902 _Unwind_SjLj_Unregister.
903 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
905 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
907 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
909 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
911 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
912 langhook to get a DImode integer type.
914 2005-11-16 Richard Henderson <rth@redhat.com>
915 J"orn Rennecke <joern.rennecke@st.com>
916 Ulrich Weigand <uweigand@de.ibm.com>
920 * reload1.c (reg_equiv_invariant): New.
921 (reload): Allocate, initialize, and free it.
922 (calculate_needs_all_insns): Check it when skipping equivalence
924 (alter_reg): Likewise.
925 (eliminate_regs_1): Rename from eliminate_regs. Add new
926 may_use_invariant argument; only use reg_equiv_invariant when true.
927 (eliminate_regs): New.
928 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
929 a context for which may_use_invariant may be true.
931 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
933 * fold-const.c (const_binop): Don't constant fold the operation
934 if the result has overflowed and flag_trapping_math.
935 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
937 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
939 * config/arm/unwind-arm.c (abort): Add prototype here.
940 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
941 (struct phase1_vrs): Add prev_sp.
942 (unwind_phase2_forced): Save the original core registers instead of
943 modifying entry_vrs. Take a new flag argument for resuming unwinding
944 and set action flags accordingly. Always set _US_END_OF_STACK when
945 get_eit_entry fails. Unwind before calling the stop function.
946 (_Unwind_GetCFA): New function.
947 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
948 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
949 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
950 just call unwind_phase2_forced.
951 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
952 * config/arm/unwind-arm.h (abort): Remove prototype.
953 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
955 (_Unwind_GetCFA): New prototype.
956 * config/arm/pr-support.c (abort): Add prototype here.
957 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
959 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
960 not schedule the prologue with non-call exceptions and EABI.
962 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
964 * config/arm/unwind-arm.h: Reorder interface function declarations.
965 (_URC_END_OF_STACK): New enumeration value.
966 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
967 (struct _Unwind_Control_Block): Document reserved field use.
968 (_Unwind_Stop_Fn): New typedef.
969 (_Unwind_ForcedUnwind): Declare.
970 (_Unwind_Resume_or_Rethrow): Declare.
971 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
973 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
974 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
975 (UCB_FORCED_STOP_ARG): New.
976 (search_EIT_table): Update boundary condition checks.
977 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
978 (unwind_phase2): Replace for with do..while.
979 (unwind_phase2_forced): New.
980 (__gnu_Unwind_RaiseException): Replace for with do..while.
981 (__gnu_Unwind_ForcedUnwind): New.
982 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
983 Use appropriate phase2 unwinder.
984 (__gnu_Unwind_Resume_or_Rethrow): New.
985 (__gnu_unwind_pr_common): Cope with forced unwinding.
987 2005-11-16 David Edelsohn <edelsohn@gnu.org>
990 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
992 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
993 roundsf2): Remove "s" from mnemonic.
995 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
997 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
999 * config/bfin/crtn.s: Change epilogues to match.
1000 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
1001 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
1002 __PIC__ and __pic__.
1004 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1007 * doc/invoke.texi: Distinguish between free and fixed form instead of
1008 Fortran and Fortran 90/95. Remove ratfor from the list of supported
1010 * gcc.c (default_compilers): Remove double entries, add entries for
1011 suffixes '.F90' and '.F95'.
1013 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1015 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
1016 in the stack probing loop.
1018 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1020 * configure.ac: Use .machine power5 not power5x.
1021 * configure: Regenerate.
1023 2005-11-15 Mike Stump <mrs@apple.com>
1025 * c-decl.c (lookup_name_two): Add.
1026 * c-tree.h (lookup_name_two): Likewise.
1027 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1028 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1030 2005-11-16 Alan Modra <amodra@bigpond.net.au>
1032 PR rtl-optimization/23392
1033 * regrename.c (enum scan_actions) Add mark_access.
1034 (scan_actions_name): Ditto.
1035 (scan_rtx_reg): Handle mark_access.
1036 (scan_rtx_address): Do nothing for mark_access.
1037 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1038 and regs in REG_INC notes before closing chains for dead regs.
1039 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1040 opening chains for new writes.
1042 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1044 * c.opt (ffixed-line-length-none): New.
1046 2005-11-15 Steve Ellcey <sje@cup.hp.com>
1048 * mklibgcc.in: Change contents of eh_dummy.c.
1050 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1052 * loop.c (scan_loop): Do not insert temporaries for hard registers.
1054 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1056 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1058 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
1060 2005-11-15 Jan Hubicka <jh@suse.cz>
1062 * invoke.texi (large-unit-insns): Document.
1063 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1064 * params.def (large-unit-insns): New param.
1066 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
1069 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1070 special register for operand 3. Reindent constraints to align
1073 2005-11-14 David Edelsohn <edelsohn@gnu.org>
1075 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1076 -mpopcntb, -mfprnd. Add -mcpu=power5+.
1077 * configure.ac: Add test for FP rounding instructions.
1078 * configure: Regenerate.
1079 * config.in: Regenerate.
1080 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1081 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1083 * config/rs6000/rs6000.opt (mfprnd): New.
1084 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1085 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1086 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1087 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1088 (TARGET_FPRND): New.
1089 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1091 (btrunc<mode>2): New.
1093 (floor<mode>2): New.
1094 (round<mode>2): New.
1096 2005-11-14 Geoffrey Keating <geoffk@apple.com>
1098 * gcc.c (version_compare_spec_function): Use fatal() rather than
1101 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1102 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1103 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1105 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1108 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1109 on -mmacosx-version-min setting.
1111 2005-11-14 Diego Novillo <dnovillo@redhat.com>
1114 * tree-vrp.c (infer_value_range): Return false if STMT is a
1115 block terminator and its basic block has no successors.
1117 2005-11-14 Mike Stump <mrs@apple.com>
1119 * config/i386/i386.c (override_options): -masm=intel isn't
1120 supported on darwin.
1121 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1123 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
1125 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1126 vfork after including auto-host.h.
1128 2005-11-15 Alan Modra <amodra@bigpond.net.au>
1130 PR rtl-optimization/22002
1131 * combine.c (distribute_notes): Detect cases where a reg dies
1132 two or more times in a bb, including on the insn we are combining,
1133 and place the death note on the correct range.
1135 2005-11-14 Dale Johannesen <dalej@apple.com>
1137 * expmed.c (store_bit_field): Add offset unconditionally for
1139 (extract_bit_field): Don't force extzv or extv operand into
1140 a register if field is too big.
1142 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1144 * config/arm/arm.c (pic_labelno): New.
1145 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1146 LABEL_REF. Pass only the labelno to PIC insns.
1147 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1148 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1149 * arm.md (UNSPEC_PIC_LABEL): New constant.
1150 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1151 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1152 Use the correct label prefix.
1154 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1156 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1159 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
1161 * loop-invariant.c: Include tm_p.h.
1162 * Makefile.in: Updated.
1164 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1166 * pa.c (store_reg): Revise generation of frame notes in large frames.
1167 (set_reg_plus_d): Likewise.
1169 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
1171 PR tree-optimization/24709
1172 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1175 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1177 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1178 and duplicate declaration of pthread_self.
1180 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
1181 Ian Lance Taylor <ian@airs.com>
1184 * calls.c (expand_call): If TARGET is a MEM and some part of the
1185 argument area has been saved, force TARGET to a register.
1187 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
1189 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1192 2005-11-13 Jason Merrill <jason@redhat.com>
1195 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1196 lazily declared methods.
1197 (force_decl_die): Stop if forcing out the context already make a
1199 (force_type_die): Likewise.
1201 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
1204 * builtins.c (integer_valued_real_p): Add break in
1205 REAL_CST having TREE_OVERFLOW set.
1207 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
1209 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1210 addressing modes during calculation of costs.
1212 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
1214 * function.c (assign_stack_local_1): Restrict sanity check
1215 on frame size overflow to 32-bit and above platforms.
1217 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1219 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1220 * config/cris/cris.c: Include reload.h.
1221 (cris_initial_elimination_offset): New function.
1222 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1225 2005-11-12 Richard Guenther <rguenther@suse.de>
1227 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1229 2005-11-12 Jan Hubicka <jh@suse.cz>
1231 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1232 to compare against 0 when possible.
1234 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1236 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1237 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1238 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1239 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1242 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1244 * recog.c (constrain_operands) <case 'g'>: For a match, require
1245 that a non-register matches general_operand when strict >= 0.
1247 2005-11-11 Steven Bosscher <stevenb@suse.de>
1249 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1252 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1254 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1255 (memory_address_same): New.
1256 (dse_optimize_stmt): Call memory_address_same.
1258 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1261 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1262 ZERO_EXTEND>: New cases.
1264 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1266 * longlong.h (__clz_tab): Always provide.
1268 2005-11-11 Steven Bosscher <stevenb@suse.de>
1271 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1273 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1274 before check_maybe_invariant.
1275 (move_invariant_reg): Use gen_move_insn instead of replacing
1276 SET_DEST with the temporary for the invariant.
1277 (move_loop_invariants): If checking is enabled, do internal
1278 consistency checks after completing the pass.
1280 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1283 * common.opt (Wvolatile-register-var): New.
1284 * varasm.c (make_decl_rtl): Only emit warning when option
1285 specified. Clarify warning message.
1286 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1288 * doc/md.texi (copysign): Document standard named pattern.
1290 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1292 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1293 bytes when align is 2.
1294 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1295 by the first instruction of the loop.
1297 2005-11-11 Jason Merrill <jason@redhat.com>
1300 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1303 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1305 PR rtl-optimization/22509
1306 * local-alloc.c (memref_used_between_p): Check whether a function call
1307 could not reference the memref.
1309 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1311 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1312 algorithm so as to choose the best, not the worst, alternative.
1313 Reset accumulated register class before processing next alternative.
1315 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1318 * calls.c (expand_call): Copy a return value to a plain register
1321 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1324 * varasm.c (assemble_name): Recompute name only for transparent
1327 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1329 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1331 2005-11-04 Jeff Law <law@redhat.com>
1334 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1335 perform reassociation if the parent statement will not die as
1336 a result of the optimization.
1338 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1340 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1341 delete_old_heap_vars.
1342 * tree-dfa.c (referenced_var_remove): Remove function.
1343 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1344 (delete_tree_ssa): Remove call to delete_old_heapvars.
1345 Add call to delete_alias_heapvars.
1346 * tree-flow.h (referenced_var_remove): Remove prototype
1347 (init_alias_heapvars): New prototype.
1348 (delete_alias_heapvars): Ditto.
1349 * Makefile.in (tree-ssa-structalias.o): Add
1350 gt-tree-ssa-structalias.o
1351 (GTFILES): Add tree-ssa-structalias.h and
1352 tree-ssa-structalias.c.
1353 (s-gtype): Add gt-tree-ssa-structalias.h.
1354 * tree-ssa-structalias.c (heapvars): Remove.
1355 (oldheapvars): Remove.
1356 (heapvar_for_stmt): New variable.
1357 (heapvar_lookup): New function.
1358 (heapvar_insert): Ditto.
1359 (get_constraint_for): See if we have an old heapvar
1361 (init_alias_heapvars): New function.
1362 (delete_alias_heapvars): Ditto.
1363 Add include of gt-tree-ssa-structalias.h.
1365 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1368 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1370 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1372 * tree.c (int_fits_type_p): Only look at the base type
1373 if it has the same precision as the original type.
1375 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1378 * varasm.c (assemble_alias): Use %q+D in the error
1379 message instead of %J and %qD.
1381 2005-11-10 Richard Guenther <rguenther@suse.de>
1383 * gcse.c (free_ldst_entry): Only free hashtable if
1386 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1388 * function.c (assign_stack_local_1): Issue an error message if
1389 the frame size overflows in the signed target arithmetics.
1391 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1393 * tree.c (build_qualified_type): Chain the new type to the original
1394 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1395 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1396 (build_pointer_type_for_mode): Only return unqualified types.
1397 (build_reference_type_for_mode): Likewise.
1399 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1401 * Makefile.in (gnucompare): Do comparison of all files using one of
1402 the chosen methods and only afterwards decide if just warning should
1403 be issued or comparison failure raised.
1405 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1407 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1408 (noce_try_abs): Negate if the comparison is reversed.
1409 Look only one instruction backwards for a REG_EQUAL note.
1411 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1414 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1415 gthr-tpf.h: Define __gthrw. For all identifiers that might
1416 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1417 and prefix all uses with __ghtrw.
1419 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1422 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1423 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1424 * c-common.c (handle_weakref_attribute): New.
1425 (c_common_attribute_table): Add weakref.
1426 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1428 * configure, config.in: Rebuilt.
1429 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1430 * doc/extend.texi: Document weakref attribute.
1431 * varasm.c (ultimate_transparent_alias_target): New
1432 (assemble_name): Use it.
1433 (weak_finish_1): Split out of...
1434 (weak_finish): ... and deal with weakrefs in...
1435 (weakref_targets): ... new list.
1436 (globalize_decl): Clean up weakref_targets.
1437 (do_assemble_alias): Handle weakrefs.
1438 (finish_aliases_1): Do not reject weakrefs to external symbols.
1439 (assemble_alias): Handle weakrefs.
1441 2005-11-09 Richard Guenther <rguenther@suse.de>
1443 PR tree-optimization/24716
1444 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1445 t_bool to track results from follow_ssa_edge.
1447 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1449 * final.c (force_source_line): New global variable.
1450 (final_scan_insn): Set it to true instead of clearing last_filename.
1451 (notice_source_line): Return true if force_source_line is true,
1452 unless source info is absent.
1454 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1457 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1458 a linkage name for a variable if it a register variable.
1459 * c-decl.c (grokdeclarator): Global register variables
1460 should be set as PUBLIC.
1462 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1465 * config/s390/s390.c (struct s390_frame_layout): New fields
1466 first_save_gpr_slot and last_save_gpr_slot.
1467 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1468 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1469 first_save_gpr and last_save_gpr with the _slot variants.
1470 (s390_register_info): Calculate first_save_gpr_slot and
1471 last_save_gpr_slot using regs_ever_live.
1473 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1476 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1477 for a function containing a landing pad.
1479 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1482 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1485 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1487 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1488 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1490 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1493 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1495 (call,load,store): New insn types.
1496 (mem_access, branch_access): Adjust reservation conditions.
1497 (define_delay): Adjust condition.
1498 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1500 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1501 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1503 (call_internal, call_value_internal, return_internal,
1504 return_interrupt_internal, eh_return_internal, indirect_jump,
1505 tablejump): Set call insn type.
1506 (blockage, ei, di): Use appropriate unspec const.
1507 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1508 (ms1_get_attr_type): Adjust to give load & store types.
1509 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1510 backwards past a barrier.
1511 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1513 (struct branch_info, struct label_info): New.
1515 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1516 (ms1_machine_reorg): New.
1517 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1518 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1519 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1520 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1523 2005-11-09 Per Bothner <per@bothner.com>
1524 Uros Bizjak <uros@kss-loka.si>
1527 * toplev.c (process_options): Initialize debug_hooks early
1528 in case lang_hooks.post_options ends up calling a debug_hook.
1530 2005-11-08 Jakub Jelinek <jakub@redhat.com>
1532 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1533 DBX_REGISTER_NUMBER being contiguous.
1535 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
1536 Diego Novillo <dnovillo@redhat.com>
1539 * tree-vrp.c (register_edge_assert_for): Do not register
1540 always-false predicates.
1542 2005-11-08 Devang Patel <dpatel@apple.com>
1544 PR tree-optimization/23115
1545 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1548 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
1550 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1553 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
1555 Fix PR tree-optimization/23382
1557 * tree-ssa-alias.c (compute_may_aliases): Call
1558 delete_old_heap_vars.
1559 * tree-dfa.c (referenced_var_remove): New function.
1560 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1561 * tree-flow.h (referenced_var_remove): Add prototype.
1562 (delete_old_heap_vars): Ditto.
1563 * tree-ssa-structalias.c (heapvars): New variable.
1564 (oldheapvars): Ditto.
1565 (get_constraint_for): Put heap vars on heapvars list.
1566 (delete_old_heap_vars): New function.
1568 2005-11-08 Jason Merrill <jason@redhat.com>
1570 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1572 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1575 * reg-stack.c (reg_to_stack): Update register liveness also
1576 for flag_sched2_use_traces.
1578 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1581 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1582 override prior explicit -mno-powerpc-gfxopt.
1584 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1586 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1587 if the bitsize is zero.
1588 * doc/md.texi (Standard Pattern Names): Document it.
1590 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1591 (TARGET_PASS_BY_REFERENCE): Likewise.
1593 2005-11-07 Ian Lance Taylor <ian@airs.com>
1595 PR rtl-optimization/24683
1596 * config/i386/i386.c (legitimize_pic_address): If constant operand
1597 to PLUS is too large, put it in a register.
1599 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1601 * configure.ac: Enable checking assembler dwarf2 support for bfin
1603 * configure: Regenerate.
1605 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1609 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1610 gen_easy_vector_constant_add_self): Delete.
1611 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1613 (output_vec_const_move): Use gen_easy_altivec_constant.
1614 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1615 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1616 (easy_vector_constant_add_self): Rewritten.
1617 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1618 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1619 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1620 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1621 Macroize and adjust for the other changes.
1623 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1627 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1628 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1630 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1632 PR rtl-optimization/23567
1633 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1634 (noce_process_if_block): Don't do any optimizations except
1635 if (cond) x = x; if !set_b and write into orig_x may trap
1636 or fault. Remove the MEM_READONLY_P check.
1638 2005-11-06 Diego Novillo <dnovillo@redhat.com>
1641 * tree-vrp.c (fix_equivalence_set): New.
1642 (extract_range_from_assert): Call it.
1644 2005-11-05 Ian Lance Taylor <ian@airs.com>
1647 * combine.c (apply_distributive_law): Don't distribute across a
1650 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
1652 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1653 config/ms1/ms1.h, config/rs6000/predicates.md,
1654 config/s390/s390.c, params.def, postreload-gcse.c,
1655 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1656 tree-vrp.c, tree.c: Fix comment typos.
1657 * doc/invoke.texi: Fix typos.
1659 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
1661 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1662 for testing whether the data_dependence_relation contains distance
1663 vectors. Iterate over all distance vectors of the ddr.
1664 * lambda.h: Define a vec of lambda_vector pointers.
1665 * tree-data-ref.c (dump_data_dependence_relation,
1666 dump_data_dependence_direction): Iterate over all distance and
1667 direction vectors of the ddr.
1668 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1670 (build_classic_dist_vector, build_classic_dir_vector): Push a set
1671 of distance/direction vectors instead of a single one.
1672 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1673 lambda_vectors with a vec of lambda_vectors.
1674 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1675 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1676 DDR_NUM_DIST_VECTS): New.
1677 * tree-loop-linear.c (gather_interchange_stats): Test for the
1678 existence of distance vectors only after having checked that there
1679 is a dependence. Iterate over all distance vectors of the ddr.
1680 (linear_transform_loops): Use dump_data_dependence_relation.
1681 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1682 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
1683 distance vectors of the ddr.
1685 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
1687 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1688 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1689 IS_INTHANDLER; all callers changed.
1690 (n_regs_saved_by_prologue): Take interrupt handler attributes into
1692 (do_link, do_unlink): New argument ALL; all callers changed.
1693 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1694 If function isn't leaf, save and restore all registers.
1695 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1698 2005-11-05 Jan Hubicka <jh@suse.cz>
1700 PR rtl-optimization/23490
1701 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1702 max-flow-memory-location): Document.
1703 * flow.c: Include params.h
1704 (MAX_MEM_SET_LIST_LEN): Kill.
1705 (add_to_mem_set_list): Use new param.
1706 * cse.c (cse_basic_block): Replace 1000 by new param.
1707 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1708 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1709 * predict.c (predict_loops): Use new param.
1710 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1712 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1713 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1714 Do not hold memory returned by cgraph_node_name across other call.
1716 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
1719 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1722 2005-11-04 Jeff Law <law@redhat.com>
1725 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1726 * tree-ssa-dom.c: Include params.h.
1727 (thread_across_edge): If there are too many statements in the
1728 target block, then do not thread through it.
1729 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1730 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1732 2005-11-03 Diego Novillo <dnovillo@redhat.com>
1735 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1736 TODO_update_ssa instead of TODO_update_ssa_no_phi.
1738 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
1741 * tree-scalar-evolution.c (instantiate_parameters_1,
1742 instantiate_parameters, resolve_mixers): Compute the size of an
1743 expression to be instantiated and give up the instantiation if the
1744 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1746 2005-11-04 Richard Guenther <rguenther@suse.de>
1748 * tree-flow.h (ref_contains_indirect_ref): Rename to
1749 array_ref_contains_indirect_ref.
1750 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1751 (array_ref_contains_indirect_ref): Make comment match the code
1753 (ref_contains_array_ref): Likewise.
1754 * tree-ssa-structalias.c (find_func_aliases): Remove call to
1755 ref_contains_indirect_ref.
1756 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1757 Rename calls to ref_contains_indirect_ref.
1759 2005-11-04 Paul Brook <paul@codesourcery.com>
1761 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1762 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1763 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1764 * config/arm/arm.md: Use match_operand in peephole input templates
1765 and match_dup in peephole output templates.
1767 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1769 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1772 2005-11-04 Mark Mitchell <mark@codesourcery.com>
1773 Daniel Jacobowitz <dan@codesourcery.com>
1775 * longlong.h (add_ssaaaa): Clobber condition code register
1777 (sub_ddmmss): Likewise.
1778 (umul_ppmm): Likewise.
1780 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1781 Paul Brook <paul@codesourcery.com>
1782 Phil Blundell <pb@reciva.com>
1784 * configure.ac: Add test for ARM TLS support.
1785 * configure: Regenerated.
1786 * config/arm/arm-protos.h (legitimize_tls_address)
1787 (arm_tls_referenced_p, tls_mentioned_p)
1788 (arm_output_addr_const_extra): New prototypes.
1789 (thumb_legitimize_pic_address): Delete.
1790 * config/arm/arm.c: Include "gt-arm.h".
1791 (enum tls_reloc): New.
1792 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1793 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1794 (arm_call_tls_get_addr, legitimize_tls_address)
1795 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1796 (arm_init_tls_builtins, arm_emit_tls_decoration)
1797 (arm_output_addr_const_extra): New functions.
1798 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1799 (TARGET_HAVE_TLS): Define.
1800 (target_thread_pointer): New.
1801 (arm_override_options): Handle -mtp=.
1802 (legitimize_pic_address): Ignore UNSPECs.
1803 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1805 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1806 (tls_get_addr_libfunc): New variable.
1807 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1808 (arm_init_builtins): Call arm_init_tls_builtins.
1809 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1810 (arm_encode_section_info): Call default_encode_section_info.
1811 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1812 (enum arm_tp_type): New.
1813 (target_thread_pointer): Add declaration.
1814 (LEGITIMATE_CONSTANT_P): Handle TLS.
1815 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1816 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1817 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1818 * config/arm/arm.md: Add UNSPEC_TLS.
1819 (movsi): Handle TLS.
1820 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1822 (tls_load_dot_plus_eight): New insn and a peephole to create it.
1823 (load_tp_hard, load_tp_soft): New insns.
1824 * arm.opt: Add -mtp=.
1825 * doc/invoke.texi (ARM Options): Document -mtp.
1827 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1829 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1830 * config/arm/libunwind.S: Include "lib1funcs.asm".
1831 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1832 (LIB2ADDEH): Add libunwind.S.
1833 (LIB2ADDEHDEP): Add lib1funcs.asm.
1834 * mklibgcc.in: Handle asm files in libgcc_eh.a.
1836 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1839 * gcc/c.opt: Add a -lang-fortran option.
1840 * gcc/c-opts.c: Add a lang_fortran flag.
1841 (c_common_init_options): Handling the -lang-fortran option.
1842 (c_common_handle_option): Add a case for Fortran options in
1843 preprocessing. Remove cases for -ffixed-form and
1844 -ffixed-line-length. Add a case for -lang-fortran.
1846 2005-11-03 David Edelsohn <edelsohn@gnu.org>
1848 * config/rs6000/rs6000.c: Include params.h
1849 (optimization_options): Set max-grow-copy-bb-insns default to 16.
1850 (bdesc_2arg): Delete vpkuhss and vpkuwss.
1851 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1852 (UNSPEC_VPKUWSS): Delete.
1853 (altivec_vpkuhss): Delete.
1854 (altivec_vpkuwss): Delete.
1855 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1857 (neg_eq0<mode>): Remove final condition.
1858 (neg_eq<mode>): Remove condition and split-condition.
1860 2005-11-04 Alan Modra <amodra@bigpond.net.au>
1862 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1863 Use associated print macros.
1865 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1868 * diagnostic.c (diagnostic_set_info_translated): New function.
1869 (diagnostic_set_info): Use it. Add comment.
1870 * diagnostic.h (diagnostic_set_info_translated): Declare.
1872 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
1874 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1875 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1876 reference only if 'public' is true.
1877 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1878 emit the .hidden directive only if the indirect reference is public.
1879 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1880 Pass it to dw2_force_const_mem.
1881 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1882 * dwarf2out.c (output_cfi): Adjust calls to above function.
1883 (output_call_frame_info): Likewise.
1884 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1885 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1887 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
1889 PR tree-optimization/24483
1890 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1891 field to elts if possible.
1893 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1896 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1899 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
1901 Fix PR tree-optimization/24351
1903 * tree-ssa-structalias.c (struct variable_info): Add
1905 (get_varinfo_fc): New function to follow collapsing.
1906 (new_var_info): Set collapsed_to to NULL.
1907 (dump_constraint): Follow collapsing.
1908 (build_constraint_graph): Handle collapsing.
1909 (do_simple_structure_copy): Return false if something bad
1911 (collapse_rest_of_var): New function.
1912 (do_structure_copy): Collapse if do_simple_structure_copy returns
1915 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1918 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1919 expressions to a statement list instead of gimplifying them.
1921 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1923 PR rtl-optimization/23585
1924 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1925 that can't trap plus a constant integer, if the mode has zero size.
1927 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
1930 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1932 ("*insv<mode>_reg_extimm"): Likewise.
1934 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1937 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1938 c_common_type_for_mode returns an unnamed type.
1940 2005-11-02 Richard Henderson <rth@redhat.com>
1944 * dwarf2out.c (dwarf2out_reg_save_reg): New.
1945 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1946 * function.c (assign_parms): Use calls.internal_arg_pointer.
1947 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1949 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1950 (TARGET_CALLS): Add it.
1951 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1952 * targhooks.c (default_internal_arg_pointer): New.
1953 * targhooks.h (default_internal_arg_pointer): Declare.
1954 * tree.h (dwarf2out_reg_save_reg): Declare.
1955 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1956 * config/i386/i386.c (dbx_register_map): Add return column.
1957 (dbx64_register_map, svr4_dbx_register_map): Likewise.
1958 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1959 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1960 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1961 (ix86_save_reg): Save force_align_arg_pointer.
1962 (ix86_emit_save_regs): Make regno unsigned.
1963 (ix86_emit_save_regs_using_mov): Likewise.
1964 (ix86_expand_prologue): Handle force_align_arg_pointer.
1965 (ix86_expand_epilogue): Likewise.
1966 * config/i386/i386.h: (dbx_register_map): Update.
1967 (dbx64_register_map, svr4_dbx_register_map): Update.
1968 (struct machine_function): Add force_align_arg_pointer.
1969 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1970 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1971 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1973 2005-11-02 Jan Hubicka <jh@suse.cz>
1976 * i386.md: Add peep2 for simplyfing array accesses.
1978 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1981 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1982 * config/s390/s390.c (s390_decompose_shift_count): New function.
1983 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1984 (print_shift_count_operand): Use s390_decompose_shift_count.
1985 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1986 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
1988 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1991 * loop.c (loop_givs_rescan): Use force_operand to expand
1994 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
1997 * fold-const.c (build_range_check): Use unsigned when signed
1998 overflow is undefined also. If etype is subtype, make sure that
1999 the subtraction is in the supertype.
2001 2005-11-02 Richard Henderson <rth@redhat.com>
2004 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
2007 2005-11-01 Richard Henderson <rth@redhat.com>
2010 * loop.c (scan_loop): Do not propagate computations to a hard
2011 register destination with SMALL_REGISTER_CLASSES.
2013 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
2015 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
2016 costs for MULT inside PLUS or MINUS.
2018 2005-11-01 Bob Wilson <bob.wilson@acm.org>
2020 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2021 (TRAMPOLINE_SIZE): Round up to 60.
2022 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2024 2005-10-31 James E. Wilson <wilson@specifix.com>
2027 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2028 ifdef. Put ifdefs around call in gen_subprogram_die.
2029 (compute_frame_pointer_to_cfa_displacement): Likewise.
2030 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2033 PR rtl-optimization/17356
2034 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
2035 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2037 2005-10-31 Jan Hubicka <jh@suse.cz>
2040 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2043 * i386.c (legitimize_pic_address): Deal with large immediates.
2046 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2047 from symbol names while computing checkup.
2050 * predict.c (predict_loops): Do not estimate more than
2051 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2052 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2054 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
2056 PR tree-optimization/19097
2057 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2059 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
2061 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2063 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
2066 * tree-inline.c (setup_one_parameter): If the init_stmt
2067 is NULL, don't insert the statement.
2069 2005-10-30 Jan Hubicka <jh@suse.cz>
2071 PR tree-optimization/24172
2072 * tree-inline.c (copy_body_r): Unshare the substituted value first.
2074 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
2076 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2077 constants for hosts with long != 32 bits.
2079 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
2082 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2084 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
2086 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2087 (TARGET_MS1_16_002): New.
2088 (TARGET_MS1_16_003): New.
2090 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2091 ("*decrement_and_branch_until_zero_no_clobber"): New.
2092 Add corresponding splitter for decrement_and_branch_until_zero
2094 Key all decrement_and_branch_until_zero patterns off of
2097 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
2100 * tree-complex.c (extract_component): Treat RESULT_DECL
2101 like the rest of the decls.
2103 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
2105 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2106 indirect call to _mcount if the function needs a static chain.
2108 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
2109 Caroline Tice <ctice@apple.com>
2111 PR rtl-optimization/24460
2112 * dwarf2out.c (have_switched_text_sections): New boolean variable.
2113 (dwarf2out_switch_text_section): Set it to true instead of
2114 incrementing separate_line_info_table_in_use.
2115 (output_loc_list): Additionally test have_switched_text_sections.
2116 (output_ranges): Likewise.
2117 (dwarf2out_finish): Likewise.
2118 * varasm.c (assemble_start_function): Do not call
2119 insert_section_boundary_note.
2120 (assemble_end_function): If flag_reorder_blocks_and_partition,
2121 switch to the function's section before emitting the .size directive.
2122 * bb-reorder.c (insert_section_boundary_note): Staticify.
2123 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2124 * output.h (insert_section_boundary_note): Delete.
2126 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
2129 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2130 instead of pointer equality when comparing types.
2132 2005-10-24 James E. Wilson <wilson@specifix.com>
2134 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2135 add_dependence_list_and_free calls.
2137 2005-10-24 Steven Bosscher <stevenb@suse.de>
2139 * contrib.texi: Add the names of the LLNL folks who donated
2140 Cray pointer support for gfortran.
2142 2005-10-24 Steven Bosscher <stevenb@suse.de>
2144 PR tree-optimization/24225
2145 * profile.c (branch_prob): Look from end to start through a
2146 basic block when looking for a locus.
2148 2005-10-24 Richard Henderson <rth@redhat.com>
2150 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2152 (hppa_expand_prologue): Likewise.
2154 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2156 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2157 (NO_DEFERRED_PROFILE_COUNTERS): Define.
2158 * pa.h (NO_PROFILE_COUNTERS): Define.
2159 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2160 (funcdef_nos): New vector to hold label numbers of deferred profile
2162 (output_deferred_profile_counters): New function.
2163 (hppa_profile_hook): Push label number onto funcdef_nos.
2164 (pa_hpux_file_end): Call output_deferred_profile_counters if
2165 NO_DEFERRED_PROFILE_COUNTERS is false.
2167 * pa-protos.h (get_deferred_plabel): New prototype.
2168 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
2170 (output_call): Adjust calls.
2172 2005-10-24 Alan Modra <amodra@bigpond.net.au>
2174 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2175 peculiarity of GOT/TOC section usage.
2177 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
2180 * c-common.c (constant_string_class_name): Add documentation.
2182 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
2185 * recog.c (peephole2_optimize): Increment peep2_current_count
2186 only when the slot is empty.
2188 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2191 * except.c (output_function_exception_table): Call
2192 assemble_external_libcall if we need a personality function.
2194 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2196 PR rtl-optimization/24460
2197 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2198 set the basic block for barriers.
2200 2005-10-21 Janis Johnson <janis187@us.ibm.com>
2202 * var-tracking.c (vt_initialize): Initialize post.
2204 2005-10-21 Devang Patel <dpatel@apple.com>
2207 * c-common.c (vector_types_convertible_p): Check vector element type.
2209 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
2211 * config/sh/sh.c (prepare_move_operands): Handle the address
2212 constant which is a tls symbolic address plus a constant.
2214 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
2217 * gcc.c (main): Use the correct counter for erroring out
2218 about mulitple files.
2220 2005-10-21 Alan Modra <amodra@bigpond.net.au>
2223 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2224 use r2 for 64-bit tls .got access.
2226 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
2228 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2231 2005-10-20 Steven Bosscher <stevenb@suse.de>
2233 PR tree-optimization/24307
2234 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2236 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2239 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2241 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2242 is ready, stop marking functions, but still mark variables.
2244 2005-10-20 Richard Guenther <rguenther@suse.de>
2247 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2250 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2252 PR rtl-optimization/23585
2253 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2254 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2255 (may_trap_p_1): New predicate extracted from...
2256 (may_trap_p): ... here. Invoke may_trap_p_1.
2257 (may_trap_or_fault_p): New predicate.
2258 * rtl.h (may_trap_or_fault_p): Declare it.
2259 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2260 instead of may_trap_p.
2261 (steal_delay_list_from_fallthrough): Likewise.
2262 (fill_simple_delay_slots): Likewise.
2263 (fill_slots_from_thread): Likewise.
2264 * function.c (pad_to_arg_alignment): Rework comment about
2265 SPARC_STACK_BOUNDARY_HACK.
2266 * config/sparc/sparc.h: Likewise.
2268 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2270 * config/s390/s390.c (s390_expand_insv): New.
2271 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2272 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2273 ("icm_hi"): Remove mode attribute.
2274 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2276 ("*extracthi", "*extractqi"): Remove.
2277 (extv<mode>", "*extzv<mode>"): New.
2278 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2279 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2281 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2283 * cfgexpand.c (discover_nonconstant_array_refs_r,
2284 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2285 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2286 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2287 discover_nonconstant_array_refs.
2289 2005-10-19 Steven Bosscher <stevenb@suse.de>
2292 * c-decl.c (pop_scope): Don't warn about an unused variable
2293 if it is marked with TREE_NO_WARNING.
2294 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2295 somenow mismatch and olddecl is to be replaced.
2297 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2300 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2301 whether registers live on the edge can be saved/restored.
2303 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2305 * config/sh/sh.c (fixup_mova): Skip notes.
2307 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2309 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2310 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2311 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2312 (s390_initial_elimination_offset): Likewise.
2313 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2314 register on TARGET_ZARCH targets.
2315 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2316 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2317 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2318 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2320 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2322 * config/s390/s390.md: Comment describing output modifiers updated.
2323 * config/s390/s390.c (print_operand): Likewise.
2325 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2327 * config/s390/s390.c (override_options): Added check for -mstack-size
2329 * doc/invoke.texi: Mention that limit in the documenation.
2331 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2334 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2336 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2338 Fix PR tree-optimization/24231
2340 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2341 (compute_avail): Ditto.
2343 2005-10-18 Richard Henderson <rth@redhat.com>
2346 * config/i386/i386.c (legitimate_constant_p): Check
2347 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2349 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2350 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2351 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2353 (print_operand_address): Likewise.
2354 * config/i386/predicates.md (x86_64_immediate_operand): Test
2355 SYMBOL_REF_TLS_MODEL properly inside CONST.
2356 (x86_64_zext_immediate_operand): Likewise.
2357 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2358 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2359 * config/i386/i386-protos.h: Remove predicates.md entries.
2361 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2363 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2364 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2366 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2367 Ian Lance Taylor <ian@airs.com>
2370 * fold-const.c (fold_widened_comparison): Do not allow range based
2371 constant folding when right operand cannot be unwidened.
2373 2005-10-17 Richard Henderson <rth@redhat.com>
2375 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2376 with a memory clobber.
2378 2005-10-17 James E Wilson <wilson@specifix.com>
2380 PR rtl-optimization/17356
2381 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2382 checking for EDGE_EH.
2384 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2386 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2387 the slot on an even boundary for any type with 16-byte alignment.
2389 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2392 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2393 after register allocation.
2395 2005-10-17 DJ Delorie <dj@redhat.com>
2397 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2400 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2403 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2406 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2408 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2409 to 2 if it's already non-zero.
2410 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2411 is set and warn about it if flag_schedule_insns is 1.
2413 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2415 * config/crx/crx.md: Compare-and-branch instructions need to
2418 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2421 * config/i386/i386.md (*pushdi2_rex64 splitter)
2422 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2423 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2424 flow2 pass only when (optimize > 0 && flag_peephole2).
2426 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2429 * gcc.c (have_c): New static variable.
2431 (process_command): Remove declation of have_c.
2432 Set have_o to 1 when handling -o.
2433 (main): Add a fatel error if there are multiple
2434 files specified and -o and -c/-S is passed witout
2435 -combine or multiple languages.
2437 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2439 Fix PR tree-optimization/22444
2440 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2441 Assert that we don't hit something with subvars.
2442 (setup_pointers_and_addressables): Don't add things with subvars,
2443 because we'll already process the subvars for aliasing purposes.
2445 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2448 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2449 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2450 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2451 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2452 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2453 swapped, alternatives for the R constraint.
2456 * builtins.c (get_builtin_sync_mode): Make unlimited
2457 mode_for_size request.
2459 2005-10-15 Richard Henderson <rth@redhat.com>
2461 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2462 (gimplify_expr): ... here.
2463 (gimplify_compound_lval): Use it in initial scan loop. Allow
2464 fb_lvalue in base expression.
2466 2005-10-15 Richard Henderson <rth@redhat.com>
2469 * builtins.c (expand_builtin_trap): Export.
2470 * expr.h (expand_builtin_trap): Declare.
2471 * expr.c (expand_assignment): Emit a trap for integral offsets
2472 from registers that weren't reduced to bitpos.
2474 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2475 (mark_array_ref_addressable): Remove.
2476 * tree-flow.h (mark_array_ref_addressable): Remove.
2477 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2479 2005-10-15 James E Wilson <wilson@specifix.com>
2482 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2483 (add_dependence_list_and_free): Likewise.
2484 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2487 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2491 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2492 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2494 (vrp_visit_phi_node): Only prevent infinite iterations when
2495 the previous result and the new result are both VR_RANGEs.
2497 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2499 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2502 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2505 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2508 2005-10-14 Per Bothner <per@bothner.com>
2510 PR preprocessor/21250
2511 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2513 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2516 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2517 overflow flags. Refactor some conditionals.
2519 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2522 * tree-dfa.c (add_referenced_var): Only look at decls which
2523 have TREE_CONSTANT or TREE_READONLY set instead of if
2524 !TREE_PUBLIC or !TREE_CONSTANT.
2526 2005-10-13 James E Wilson <wilson@specifix.com>
2528 * doc/invoke.texi: For -x, add f95-cpp-input.
2529 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2531 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
2533 PR tree-optimization/24262
2534 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2535 in loop all the time.
2537 2005-10-12 Richard Henderson <rth@redhat.com>
2540 * tree.h (DECL_TRANSPARENT_UNION): Remove.
2541 * function.c (assign_parm_find_data_types): Don't support it.
2542 * print-tree.c (print_node): Likewise.
2543 * c-common.c (handle_transparent_union_attribute): Likewise.
2544 Use build_duplicate_type.
2545 * tree-inline.c (remap_type_1): Split out of remap_type;
2546 properly remap aggregate fields.
2547 (build_duplicate_type): New.
2548 * doc/extend.texi (Variable Attributes): Remove documentation
2549 for transparent_union.
2551 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2554 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2555 (gen_stack_pointer_dec): Likewise.
2557 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
2561 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2563 (struct cxx): Add adjust_class_at_definition target hook.
2564 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2565 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2566 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2567 hook_void_tree. Add to TARGET_CXX.
2568 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2570 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2571 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2572 instead of attribute. Check for dllexport override. Warn if
2573 inconsistent dll linkage. Don't lose old dllimport if decl has
2574 had address referenced. Tweak lookup of dllimport atribute.
2575 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2576 for target specific rules. Don't add dllimport attribute if
2577 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2578 dllimport attribute.
2579 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2580 * varasm.c (initializer_constant_valid_p): Replace
2581 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2585 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2586 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2587 (i[34567]86-*-mingw32*): Likewise.
2589 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2590 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2592 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2593 C++-specific code. Change return value to bool.
2594 (i386_pe_dllimport_p): Likewise.
2595 (associated_type): Simplify and make language-independent
2596 (i386_pe_encode_section_info): Replace override of ambiguous
2597 dllimport symbol refs with a gcc_assert.
2598 (i386_pe_valid_dllimport_attribute_p): Define.
2599 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2600 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2601 i386_pe_adjust_class_at_definition.
2602 * config/i386/winnt-stubs.c: New file. Define stub versions of
2603 lang-specific functions.
2604 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2605 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2606 i386_pe_adjust_class_at_definition.
2607 (i386_pe_valid_dllimport_attribute_p): Declare.
2608 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2609 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2610 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2613 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2614 dllimport attribute with test of DECL_DLLIMPORT_P.
2616 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2618 * combine.c (make_extraction): Correct offset computation.
2620 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2622 * config/cris/t-linux (LIMITS_H_TEST): Define.
2624 2005-10-12 Richard Henderson <rth@redhat.com>
2627 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2629 2005-10-12 Richard Guenther <rguenther@suse.de>
2631 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2633 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2636 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2637 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2640 2005-10-12 Richard Guenther <rguenther@suse.de>
2643 * varasm.c (output_constant): Correct typo from previous
2646 2005-10-11 Ian Lance Taylor <ian@airs.com>
2648 PR rtl-optimization/13931
2649 * combine.c: Revert patch of 2003-05-14, and:
2650 (try_combine): Only set elim_i1 and elim_i2 if the destination is
2651 completely killed in the appropriate insn.
2652 (distribute_notes): Don't skip multiple hard register test for
2653 elim_i1 and elim_i2.
2655 2005-10-11 Richard Henderson <rth@redhat.com>
2658 * c-typeck.c (convert_for_assignment): Use build_constructor_single
2659 to initialize a transparent union instead of a nop_expr.
2661 2005-10-11 Richard Henderson <rth@redhat.com>
2663 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2664 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2665 (tree_ssa_dce_loop): Call scev_reset.
2668 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2669 * tree-ssa-dce.c: Include cfgloop.h.
2670 (tree_ssa_dce_loop, pass_dce_loop): New.
2671 * tree-pass.h (pass_dce_loop): Declare it.
2672 * passes.c (init_optimization_passes): Use it.
2674 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2677 * convert.c (convert_to_real): Revert 2005-10-05 patch.
2678 Only apply the optimization for rounding builtins if the inner
2679 cast is also an extension.
2681 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
2684 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2685 mark_new_vars_to_rename instead of update_stmt.
2687 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
2689 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2691 2005-10-11 Jakub Jelinek <jakub@redhat.com>
2693 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2694 for setting MMX register to 0 rather than mmx.
2696 2005-10-10 Steve Ellcey <sje@cup.hp.com>
2699 * configure.ac: Move gas check from mips specific case to common case.
2700 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2701 * configure: Regenerate
2702 * doc/install.texi: Update.
2704 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2707 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2709 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
2711 * gcc.c (do_spec_1): Accept numeric characters in file name
2714 2005-10-10 Nick Clifton <nickc@redhat.com>
2716 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
2717 describing the deleted arm_gen_rotated_half_load function.
2719 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
2721 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2724 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
2726 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2728 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2729 (EXTRA_MULTILIB_PARTS): Define.
2730 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2731 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2732 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2733 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2734 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2735 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2737 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
2739 PR tree-optimization/24226
2740 * tree-cfg.c (remove_bb): Clean up unreachable loops.
2741 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2742 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2745 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2747 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2749 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
2752 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2753 Rewrite for no need for the early clobber.
2755 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2757 Merge from csl-arm-branch:
2758 2005-09-07 Paul Brook <paul@codesourcery.com>
2759 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2762 2005-04-30 Paul Brook <paul@codesourcery.com>
2763 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2764 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2766 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
2767 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2768 (arm_override_options): Use TARGET_AAPCS_BASED.
2769 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2770 (PTRDIFF_TYPE): Use int for AAPCS.
2771 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2772 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2773 (DEFAULT_SHORT_ENUMS): Delete.
2774 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2776 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
2777 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2778 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2779 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2781 2004-12-03 Mark Mitchell <mark@codesourcery.com>
2782 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2784 2004-11-22 Mark Mitchell <mark@codesourcery.com>
2785 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2787 2004-11-19 Mark Mitchell <mark@codesourcery.com>
2788 * config.gcc (arm*-*-linux-gnueabi): Add it.
2789 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2791 (TARGET_OS_CPP_BUILTINS): Likeiwse.
2792 * config/arm/linux-eabi.h: New file.
2793 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2794 (LINUX_TARET_LINK_SPEC): Likewise.
2795 (LINK_SPEC): Use it.
2796 * config/arm/t-linux-eabi: New file.
2798 2005-10-08 Steven Bosscher <stevenb@suse.de>
2801 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2803 (PARAM_SMS_DFA_HISTORY): Likewise.
2805 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2808 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2809 (load_register_parameters): Call it.
2810 (check_sibcall_argument_overlap_1): Likewise.
2811 (store_one_arg): Likewise.
2813 2005-10-07 James E. Wilson <wilson@specifix.com>
2815 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2816 DImode not VECINT24 for operand 2.
2819 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2823 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2824 fr_spill): Use destination_operand for operand 0.
2826 2005-10-07 DJ Delorie <dj@redhat.com>
2828 * varasm.c (output_constant): Limit error to expanding
2831 2005-10-07 Richard Guenther <rguenther@suse.de>
2834 * fold-const.c (fold_binary): Fix operand types during folding
2835 of X op (A, Y). Evaluation order of the side-effects of
2836 X and A are frontend-defined, so ensure we honour that even for
2837 tcc_comparison class operands; eased by removing duplicate code.
2839 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2841 * stor-layout.c (layout_type): Do not allow alignment of array
2842 elements to be greater than their size.
2844 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2846 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2848 (hppa*-*-linux*): Ditto.
2849 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2850 * config/host-hpux.c: New.
2851 * config/x-hpux: New.
2852 * config/pa/x-hpux: Remove.
2853 * config/pa/x-linux: Remove.
2854 * config/pa/pa-host.c: Remove.
2856 2005-10-07 Jeff Law <law@redhat.com>
2858 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2859 determine whether or not to try and thread outgoing edges.
2861 2005-10-07 David Edelsohn <edelsohn@gnu.org>
2863 * config/rs6000/rs6000.md (eqsi_power): New.
2864 (neg_eq0si): Add TARGET_POWER to final condition.
2867 2005-10-06 Richard Henderson <rth@redhat.com>
2869 * config/rs6000/rs6000.c: Revert last change.
2871 2005-10-06 Richard Henderson <rth@redhat.com>
2873 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2874 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2876 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
2880 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2881 out return_label and naked_return_label.
2883 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2885 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2888 2005-10-06 Richard Henderson <rth@redhat.com>
2891 * tree-inline.c (declare_return_variable): Handle modify_dest not
2894 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2896 Fix PR tree-optimization/22488
2897 * tree-ssa-structalias.c (check_for_overlaps): New function.
2898 (create_variable_info_for): Use it.
2900 2005-10-06 Richard Henderson <rth@redhat.com>
2903 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2904 (dwarf2out_start_source_file): Print it.
2906 2005-10-06 Geoffrey Keating <geoffk@apple.com>
2908 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2910 2005-10-06 Richard Henderson <rth@redhat.com>
2913 * mode-switching.c (optimize_mode_switching): Clear transp bit
2914 for block with incomming abnormal edges.
2916 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2917 (fpscr_set_from_mem): Use them.
2918 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2919 (fpscr postinc splitters): Rewrite as peephole2+split.
2921 2005-10-06 David Edelsohn <edelsohn@gnu.org>
2923 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2924 (eq<mode>_compare): Same.
2926 2005-10-06 Richard Guenther <rguenther@suse.de>
2928 PR tree-optimization/24238
2929 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2931 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
2933 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2934 here. Use AC_PATH_PROG for environment variables instead of
2936 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
2938 * configure: Regenerated.
2940 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
2943 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2944 then force it into a register.
2945 (call_value): Likewise.
2947 2005-10-06 Richard Henderson <rth@redhat.com>
2950 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2951 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
2952 under pass_vectorize.
2954 2005-10-05 Devang Patel <dpatel@apple.com>
2957 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2958 handling constants. Check NAMESPACE_DECL context for constants.
2960 2005-10-05 Eric Christopher <echristo@apple.com>
2962 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2964 2005-10-05 Richard Henderson <rth@redhat.com>
2967 * tree-cfg.c (mark_array_ref_addressable_1): New.
2968 (mark_array_ref_addressable): New.
2969 * tree-flow.h (mark_array_ref_addressable): Declare.
2970 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2972 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
2976 * reload.c (subst_reloads): When adding a REG_LABEL to a
2977 jump instruction, also update JUMP_LABEL.
2979 2005-10-05 David Edelsohn <edelsohn@gnu.org>
2981 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2982 * bb-reorder.c (copy_bb_p): Use it.
2983 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2985 2005-10-05 Richard Henderson <rth@redhat.com>
2988 * toplev.c (process_options): Warn about unsupported combinations
2989 of unwind tables and omit-frame-pointer.
2990 * config/i386/i386.c (override_options): Similarly. Enable
2991 accumulate-outgoing-args if not explicitly disabled.
2993 2005-10-05 Steve Ellcey <sje@cup.hp.com>
2995 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2996 Handle big endian vs. small endian.
2997 (vec_initv2sf): Handle big endian vs. small endian.
2998 (*vec_extractv2sf_1): Ditto.
3000 2005-10-05 Dale Johannesen <dalej@apple.com>
3002 * convert.c (convert_to_real): Don't convert
3003 (float)floor(double d) to floorf((float)d).
3005 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
3007 * config/arm/arm.md (insv): Use gen_int_mode in more places.
3009 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
3011 PR tree-optimization/18587
3012 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
3013 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
3014 build_vuses): Change to VEC type.
3015 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
3016 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
3017 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
3018 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3019 (get_name_decl): New. Return DECL_UID of base variable.
3020 (operand_build_cmp): New. qsort comparison routine.
3021 (operand_build_sort_virtual): New. Sort virtual build vector.
3022 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3023 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3024 (FINALIZE_BASE): Use get_name_decl.
3025 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3026 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3027 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3028 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3029 direct VEC_* manipulations.
3030 (build_ssa_operands): Call operand_build_sort_virtual.
3031 (copy_virtual_operand, create_ssa_artficial_load_stmt,
3032 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3033 with direct VEC_* manipulations.
3034 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3035 with direct VEC manipulations.
3037 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
3039 PR tree-optimization/21419
3040 PR tree-optimization/24146
3041 PR tree-optimization/24151
3043 * c-typeck.c (readonly_error): Handle USE being lv_asm.
3044 (build_asm_expr): Call it if outputs are read-only.
3045 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3047 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
3048 Paolo Bonzini <bonzini@gnu.org>
3052 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3053 enable the instructions and not just the built-ins.
3054 * doc/invoke.texi (x86 Options): Likewise.
3056 2005-10-04 Geoffrey Keating <geoffk@apple.com>
3058 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3060 * doc/invoke.texi (Option Summary): Correct spelling
3061 of -mmacosx-version-min.
3063 2005-10-04 Devang Patel <dpatel@apple.com>
3065 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3068 2005-10-04 Steve Ellcey <sje@cup.hp.com>
3070 * tree-vect-transform.c (vect_create_epilog_for_reduction):
3071 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3073 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
3075 * config/s390/s390.md ("TDSI","DP"): New mode macros.
3076 ("TE","tg"): New mode attributes.
3077 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3078 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3079 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3080 dword_mode and one for GPRmode.
3082 2005-10-04 Ian Lance Taylor <ian@airs.com>
3084 PR preprocessor/13726
3085 * c-ppoutput.c (cb_include): Add comments parameter, and print out
3086 any comments passed in.
3088 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3090 * tree.c (annotate_with_file_line): Fix typo.
3092 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3095 * builtins.c (fold_builtin_memcmp): When constructing the pointer
3096 type used to access data in the inlined length == 1 case, use
3097 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3098 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3100 2005-10-04 Uros Bizjak <uros@kss-loka.si>
3102 * config/i386/i386.h (TARGET_FISTTP): Enable also for
3103 TARGET_SSE3 and only for TARGET_80387.
3104 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3105 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3106 Do not depend on TARGET_80387.
3108 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3110 * tree.c (last_annotated_node): Change type to location_t*.
3111 (annotate_with_file_line): Reflect the change of
3112 last_annotated_node type.
3114 2005-10-04 Richard Guenther <rguenther@suse.de>
3117 * c-decl.c (grokdeclarator): Don't write to fields
3120 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3123 * c-decl.c (finish_decl): Use set_user_assembler_name even for
3125 * varasm.c (make_decl_rtl): If a register variable does not
3126 have a set user assmbler name, error out.
3127 Decode the asmspec is now name+1 bypassing '*'.
3129 2005-10-04 Steven Bosscher <stevenb@suse.de>
3131 PR tree-optimization/23049
3132 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3133 of a COND_EXPR is folded before calling fold on the whole rhs of a
3134 conditional assignment.
3135 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3136 document that a COND_EXPR may appear there.
3138 2005-10-03 Diego Novillo <dnovillo@redhat.com>
3141 * tree-vrp.c (extract_range_from_assert): If the new numeric
3142 range created out of the assertion contradicts the existing
3143 numeric range of the ASSERT_EXPR variable, make the new range
3146 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
3148 * config/sh/sh.c (sh_register_move_cost): Add case for moving
3149 from T_REGS to FP register class.
3151 2005-10-03 Richard Henderson <rth@redhat.com>
3154 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3155 before creating a new one.
3157 2005-10-03 David Edelsohn <edelsohn@gnu.org>
3159 * config/rs6000/t-aix43 (LDFLAGS): New.
3160 * config/rs6000/t-aix52 (LDFLAGS): New.
3162 2005-10-03 Ian Lance Taylor <ian@airs.com>
3164 * gimplify.c (find_single_pointer_decl_1): New static function.
3165 (find_single_pointer_decl): New static function.
3166 (internal_get_tmp_var): For a formal variable, set restrict base
3167 information if appropriate.
3168 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3170 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3171 (DECL_GET_RESTRICT_BASE): Define.
3172 (SET_DECL_RESTRICT_BASE): Define.
3173 (decl_restrict_base_lookup): Declare.
3174 (decl_restrict_base_insert): Declare.
3175 (struct tree_decl_with_vis): Add based_on_restrict_p field.
3176 * tree.c (restrict_base_for_decl): New static variable.
3177 (init_ttree): Initialize restrict_base_for_decl.
3178 (copy_node_stat): Copy restrict base information.
3179 (decl_restrict_base_lookup): New function.
3180 (decl_restrict_base_insert): New function.
3181 (print_restrict_base_statistics): New static function.
3182 (dump_tree_statistics): Call print_restrict_base_statistics.
3184 2005-10-02 Diego Novillo <dnovillo@redhat.com>
3187 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3188 case of anti-ranges.
3190 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
3193 * c-typeck.c (tagged_tu_seen): Rename to ...
3194 (tagged_tu_seen_cache): this and add val field.
3195 (comptypes): Move functional to comptypes_internal
3196 and free tagged_tu_seen.
3197 (comptypes_internal): New function and call comptypes_internal
3198 instead of comptypes. Speed up by sibcalling
3199 tagged_types_tu_compatible_p.
3200 (alloc_tagged_tu_seen): New function
3201 (free_all_tagged_tu_seen_up_to): New function.
3202 (tagged_types_tu_compatible_p): Return the val of the seen two
3204 Add that the two types are the same to tagged_tu_seen_base
3205 if they are and call comptypes_internal instead of comptypes.
3206 <case UNION_TYPE>: Speed up common type where the fields are
3208 (function_types_compatible_p): Call comptypes_internal instead of
3210 (type_lists_compatible_p): Likewise.
3211 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3213 2005-10-02 Matthias Klose <doko@debian.org>
3215 * doc/invoke.texi: Fix typo and speling error.
3217 2005-10-01 Richard Henderson <rth@redhat.com>
3219 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3221 2005-10-01 Mark Mitchell <mark@codesourcery.com>
3223 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3224 using --start-group and --end-group.
3226 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3228 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3229 FIXME note regarding quirky semantics.
3231 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3234 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3235 non-null range as a last resort.
3237 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3238 Diego Novillo <dnovillo@redhat.com>
3241 * tree-vrp.c (extract_range_from_assert): For !=
3242 assertions, only build an anti-range if LIMIT is a
3243 single-valued range.
3245 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3247 * arm.md (movqi): On thumb when optimizing, handle loading from
3248 memory by describing this as taking a subreg of a zero-extended load
3249 into an SImode register.
3252 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3254 * reload1.c (merge_assigned_reloads): Do not change any
3255 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3257 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3259 * Makefile.in (LIPO_FOR_TARGET): Define.
3260 (STRIP_FOR_TARGET): Define.
3262 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3263 before creating new ones. Do symlinks before creating the actual
3266 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3267 to work out which multilibs are actually being built.
3269 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3271 * tree-vect-transform.c, config/ms1/ms1.md,
3272 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3273 Follow spelling conventions.
3274 * doc/invoke.texi, doc/md.texi: Fix typos.
3276 2005-09-30 Andrew Macleod <amacleod@redat.com>
3278 PR tree-optimization/21430
3279 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3280 use operands, and set stmt pointer if need be.
3281 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3282 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3285 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3288 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3290 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3292 * optabs.c (expand_binop): Initialize first_pass_p.
3294 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3297 * c-decl.c (c_write_global_declarations_1): If any
3298 wrapup_global_declaration_2 call returned true, restart the loop.
3300 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3302 Fix PR tree-optimization/24117
3303 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3304 before considering whether to use anyoffset.
3306 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3310 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3312 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3314 (swap_commutative_operands_with_target): New.
3316 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3319 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3322 2005-09-29 Steven Bosscher <stevenb@suse.de>
3324 PR tree-optimization/23911
3325 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3326 and IMAGPART_EXPR too.
3328 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3331 * expmed.c (expand_shift): Move logic to reverse rotation
3332 direction when rotating by constants ...
3333 * optabs.c (expand_binop): ... here.
3334 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3335 (ix86_rotrdi3): New pattern.
3336 (rotldi3): Handle 32-bit mode.
3337 (ix86_rotldi3): New pattern.
3339 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3342 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3343 check for numbers that need no bit twiddle.
3345 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3347 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3348 multilib to be built.
3350 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3351 (stage1-start): Delete old libgcc and libunwind before moving
3352 anything into the stage directory.
3353 (stage2-start): Likewise.
3354 (stage3-start): Likewise.
3355 (stage4-start): Likewise.
3356 (stageprofile-start): Likewise.
3357 (stagefeedback-start): Likewise.
3358 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3359 header in tm_file and CPU-specific t-darwin in tmake_file.
3360 (i[34567]86-*-darwin*): Don't change tm_file.
3361 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3362 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3363 shared library stub for target OS version.
3364 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3365 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3366 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3367 (libgcc_s.%.dylib): New.
3369 (install-darwin-libgcc-stubs): New.
3370 (INSTALL_LIBGCC): New append.
3371 * config/i386/darwin-libgcc.10.4.ver: New.
3372 * config/i386/darwin-libgcc.10.5.ver: New.
3373 * config/i386/t-darwin: New.
3374 * config/rs6000/darwin-libgcc.10.4.ver: New.
3375 * config/rs6000/darwin-libgcc.10.5.ver: New.
3376 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3377 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3379 2005-09-28 Paul Brook <paul@codesourcery.com>
3381 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3384 2005-09-28 Richard Guenther <rguenther@suse.de>
3386 PR tree-optimization/23853
3387 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3388 host_integerp to verify misalignment value.
3390 2005-09-28 Richard Henderson <rth@redhat.com>
3392 * builtins.c (get_builtin_sync_mode): New.
3393 (expand_builtin_sync_operation): Pass in mode argument.
3394 (expand_builtin_compare_and_swap): Likewise.
3395 (expand_builtin_lock_test_and_set): Likewise.
3396 (expand_builtin_lock_release): Likewise.
3397 (expand_builtin): Update to match.
3399 2005-09-28 Nick Clifton <nickc@redhat.com>
3401 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3402 formatting. Add check to PLUS case to ensure that the offset is
3403 within an acceptable range.
3405 * config/v850/v850.md (casesi): Disable the generation of the
3406 switch pattern as it is not being handled properly at the moment.
3408 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3409 for when the high words are identical.
3411 2005-09-27 Richard Henderson <rth@redhat.com>
3413 * pretty-print.c (pp_base_format): Fix typo for %>.
3415 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3416 Devang Patel <dpatel@apple.com>
3418 PR tree-optimization/23625
3419 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3420 LABEL_EXPR, assertion check.
3422 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3424 * optabs.c (no_conflict_move_test): Check if a result of a
3425 to-be-moved insn would be clobbered by an originally
3428 2005-09-27 Jeff Law <law@redhat.com>
3430 * passes.c (init_optimization_passes): Replace copy propagation
3431 passes immediately after DOM with phi-only copy propagation
3432 pases. Add phi-only copy propagation pass after first DOM pass.
3433 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3434 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3435 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3436 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3437 to init_copy_prop. Callers updated.
3438 (do_phi_only_copy_prop): New function.
3439 (pass_phi_only_copy_prop): New pass descriptor.
3441 2005-09-27 Nick Clifton <nickc@redhat.com>
3443 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3445 2005-09-26 Jason Merrill <jason@redhat.com>
3448 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3450 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3452 2005-09-26 James E Wilson <wilson@specifix.com>
3454 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3455 copyright. Add gcc copyright plus libgcc exception.
3456 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3458 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3460 2005-09-26 Jeff Law <law@redhat.com>
3462 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3463 about when to iterate.
3465 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3468 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3469 for __complex__ double in -mcpu=G5 mode.
3471 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3473 PR tree-optimization/23942
3474 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3475 * tree-scalar-evolution.c: Include params.h.
3477 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3478 follow_ssa_edge_in_condition_phi_branch,
3479 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3480 Change return type to t_bool. Use a parameter to limit the size of
3481 trees that are walked before stopping
3482 (analyze_evolution_in_loop): Initialize the limit to 0.
3483 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3484 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3486 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3489 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3490 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3492 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3494 * combine.c (make_extraction): Check for valid use of subreg.
3496 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3499 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3500 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3501 ("fist<mode>2_with_temp"): Use only register operands.
3503 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3505 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3506 CALL_INSN_FUNCTION_USAGE.
3508 2005-09-26 Richard Guenther <rguenther@suse.de>
3511 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3512 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3513 (ldst_entry): Use the hashtable instead of list-walking.
3514 (find_rtx_in_ldst): Likewise.
3515 (free_ldst_entry): Free the hashtable.
3516 (compute_ld_motion_mems): Create the hashtable.
3517 (trim_ld_motion_mems): Remove entry from hashtable if
3518 removing it from list.
3519 (compute_store_table): Likewise^2.
3520 (store_motion): Free hashtable in case we did not see
3523 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
3525 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3526 and arg1 if we are passing them to fold_build2.
3528 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
3531 * config/i386/i386.c (ix86_function_regparm): Fix the test for
3534 2005-09-25 Richard Henderson <rth@redhat.com>
3536 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3537 SYMBOL_REF_TLS_MODEL to be correct.
3539 2005-09-24 Richard Henderson <rth@redhat.com>
3541 * ipa-type-escape.c (discover_unique_type): Remove dead code at
3542 end of function. Reindent.
3544 2005-09-24 Ian Lance Taylor <ian@airs.com>
3546 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3547 NEGATE_EXPR/BIT_NOT_EXPR case.
3549 2005-09-24 Richard Henderson <rth@redhat.com>
3551 * c-common.c (handle_mode_attribute): When not modifying in place,
3552 create subtypes for enumerations.
3553 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3554 * gimplify.c (create_tmp_from_val): Likewise.
3556 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
3558 * config/i386/i386.md (*tls_global_dynamic_64,
3559 *tls_local_dynamic_base_64): Add missing mode to call.
3560 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3562 2005-09-24 Jan Hubicka <jh@suse.cz>
3564 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3565 (cgraph_clone_node): Likewise.
3566 * cgraph.h (cgraph_clone_edge): Update prototype.
3567 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3568 duplicated prototypes; add updating argument.
3569 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3570 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3572 (cgraph_mark_inline_edge): Likewise.
3573 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3574 (cgraph_flatten_node): Likewise.
3575 (cgraph_decide_recursive_inlining): Likewise.
3576 (cgraph_decide_inlining_of_small_function): Likewise.
3577 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3579 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3580 Pete Steinmetz <steinmtz@us.ibm.com>
3582 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3583 (rldic.): Set type to "compare".
3585 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3586 mfjmpr for MFCTR/MFLR.
3587 (movdf_hardfloat64): Same.
3588 (movdf_softfloat64): Same. Correct order of store and move types.
3589 (movti_string): Set type to store_ux/load_ux.
3590 (load_multiple): Set type to load_ux.
3591 (store_multiple): Set type to store_ux.
3592 (movmemsi): Set type to store_ux.
3593 (output_cbranch direct_return): Set type to jmpreg.
3594 (stmw): Set type to store_ux.
3595 (lmw): Set type to load_ux.
3596 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3597 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3598 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3599 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3600 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3601 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3602 (rios1-fpstore): Increase latency to 3.
3603 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3604 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3606 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3607 Andrew Pinski <pinskia@physics.uc.edu>
3609 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3610 operand2 constraint to "b".
3611 (sync_<fetchop_name>di_internal): Same.
3612 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3614 (sync_old_<fetchop_name>di_internal): Same.
3615 (sync_new_<fetchop_name>si_internal): Same.
3616 (sync_new_<fetchop_name>di_internal): Same.
3618 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3621 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3622 case, define as macros.
3624 PR rtl-optimization/23837
3625 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3626 clobber / clobber match between dest and p->first.
3628 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3629 (no_conflict_move_test): Update comments.
3631 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3633 * doc/install.texi: Update URL for Jacks.
3634 * doc/sourcebuild.texi: Likewise.
3636 2005-09-22 David Edelsohn <edelsohn@gnu.org>
3639 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3640 registers when choosing register preferences.
3641 (movdf_hardfloat64): Same.
3643 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
3645 * expmed.c (expand_shift): Don't use the target of the rotate as
3646 target for the first expanded shift insn.
3647 * testsuite/gcc.dg/20050922-1.c: Testcase added.
3649 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
3651 PR tree-optimization/22438
3652 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3653 preserved iv rhs rewriting specially.
3655 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
3657 * tree-data-ref.c (analyze_array_indexes): Only estimate when
3658 estimate_only is true.
3659 * tree-flow.h (ref_contains_indirect_ref): New prototype.
3660 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3661 tree-ssa-structalias.c
3662 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3663 ref_contains_indirect_ref.
3664 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3666 2005-09-21 DJ Delorie <dj@redhat.com>
3668 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3670 (mn10300_return_in_memory): Support variable size types also.
3671 (mn10300_pass_by_reference): Likewise.
3672 (mn10300_function_value): New.
3673 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3674 (FUNCTION_OUTGOING_VALUE): Likewise.
3675 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3676 * doc/invoke.texi: Document it.
3678 2005-09-21 Uros Bizjak <uros@kss-loka.si>
3681 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3682 force integer op1 into register for XFmode compares.
3684 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3687 * expmed.c (alg_code): Add alg_impossible.
3688 (alg_hash_entry): Add cost.
3689 (synth_mult): Record alg_impossible in the hash table if
3690 multiplication by a given integer is impossble within the
3691 limit. Speed up using alg_impossible.
3693 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3695 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3696 argument. Allow and set any offset if needs_anyoffset is passed
3698 (get_constraint_for): Add argument here too.
3700 (do_structure_copy): Pass NULL to get_constraint_for.
3701 (handle_ptr_arith): Ditto.
3702 (find_func_aliases): Ditto.
3704 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
3706 PR rtl-optimization/23898
3707 * output.h (get_attr_min_length): Declare.
3708 * final.c (get_attr_length_1): New function, broken out of:
3710 (get_attr_min_length): New function.
3711 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3712 (duplicate_computed_gotos): Likewise.
3713 * genattr.c (insn_min_length): Generate declaration.
3714 * genattrtab.c (min_fn, min_attr_value): New functions.
3715 (make_length_attrs): Generate insn_min_length.
3717 2005-09-20 Steve Ellcey <sje@cup.hp.com>
3719 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3721 2005-09-20 Richard Henderson <rth@redhat.com>
3723 PR tree-optimization/24059
3724 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3727 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
3729 * c.opt (fextended-identifiers): New.
3730 * c-opts.c (c_common_handle_option): Handle
3731 -fextended-identifiers.
3732 * doc/cpp.texi: Update documentation of extended identifiers.
3733 * doc/cppopts.texi (-fextended-identifiers): Document.
3735 2005-09-20 Jakub Jelinek <jakub@redhat.com>
3737 PR tree-optimization/23929
3738 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3741 PR tree-optimization/23818
3742 * tree-stdarg.c (execute_optimize_stdarg): Call
3743 calculate_dominance_info.
3745 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3747 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3748 (analyze_siv_subscript_cst_affine): Add weak SIV test.
3749 (compute_overlap_steps_for_affine_1_2): Use
3750 get_number_of_iters_for_loop.
3751 (analyze_subscript_affine_affine): Check whether difference is
3753 Use get_number_of_iters_for_loop.
3754 Check whether overlap occurs outside of bounds.
3755 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3757 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
3759 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3760 base register if possible.
3762 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
3764 PR tree-optimization/18463
3765 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3766 converting it directly is not possible.
3767 (chrec_convert_aggressive): New function.
3768 * tree-chrec.h (chrec_convert_aggressive): Declare.
3769 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3770 Fold chrec conversions aggressively if asked to.
3771 (instantiate_parameters): Modified because of changes in
3772 instantiate_parameters_1.
3774 2005-09-19 Richard Henderson <rth@redhat.com>
3776 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3777 (reduc_splus_v2df): New.
3779 2005-09-19 Richard Sandiford <richard@codesourcery.com>
3781 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3782 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
3784 2005-09-19 Richard Henderson <rth@redhat.com>
3786 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3789 2005-09-19 Richard Henderson <rth@redhat.com>
3791 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3792 (ia64_expand_dot_prod_v8qi): New.
3793 * config/ia64/ia64-protos.h: Update.
3794 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3795 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3796 sdot_prodv8qi, sdot_prodv4hi): New.
3797 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3799 2005-09-19 Richard Henderson <rth@redhat.com>
3802 * real.c (exact_real_truncate): Return false if the format cannot
3803 represent the number as a normal.
3805 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3806 for a memory source.
3808 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
3810 * tree-ssa-operands.c (swap_tree_operands): Export.
3811 * tree.h (swap_tree_operands): Declare.
3812 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3813 Call swap_tree_operands.
3815 2005-09-19 Richard Henderson <rth@redhat.com>
3817 * tree-flow.h (merge_alias_info): Declare.
3818 * tree-ssa-copy.c (merge_alias_info): Export.
3819 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3820 (vect_create_data_ref_ptr): Use create_iv directly.
3821 (vectorizable_load): Use correct types for integer constants.
3822 (vect_generate_tmps_on_preheader): Likewise.
3823 (vect_gen_niters_for_prolog_loop): Likewise.
3825 2005-09-19 Steven Bosscher <stevenb@suse.de>
3827 PR rtl-optimization/23943
3828 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3830 2005-09-18 Jan Hubicka <jh@suse.cz>
3832 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3834 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
3836 * varasm.c (output_constant): Do not abort on conversions to union
3837 types between different sizes.
3839 2005-09-18 Richard Guenther <rguenther@suse.de>
3842 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3845 2005-09-18 Paul Brook <paul@codesourcery.com>
3847 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3849 2005-09-17 Richard Henderson <rth@redhat.com>
3851 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3852 * tree-ssa-loop.c (pass_vect_dce): Remove.
3853 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3856 2005-09-17 Richard Henderson <rth@redhat.com>
3858 * tree-pass.h (pass_vect_dce): Declare.
3859 * passes.c (init_optimization_passes): Add it.
3860 * tree-flow.h (tree_ssa_dce): Declare.
3861 * tree-ssa-dce.c (tree_ssa_dce): Export.
3862 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3863 (gate_tree_vectorize): ... here.
3864 (pass_vect_dce): New.
3866 2005-09-17 Jan Hubicka <jh@suse.cz>
3868 * except.c (struct eh_status): Turn region_array into vec.
3869 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3870 convert_from_eh_region_ranges, find_exception_handler_labels,
3871 current_function_has_exception_handlers, assign_filter_values,
3872 build_post_landing_pads, dw2_build_landing_pads,
3873 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3874 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3875 foreach_reachable_handler, can_throw_internal_1,
3876 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3878 (duplicate_eh_region_1): Update region_array.
3879 (duplicate_eh_regions): Resize region_array and avoid recomputing.
3881 2005-09-17 David Edelsohn <edelsohn@gnu.org>
3884 * expmed.c (expand_mult): Substitute simple register for op0 when
3887 2005-09-17 Richard Henderson <rth@redhat.com>
3889 * expr.c (emit_move_via_integer): Add force argument, pass it on
3890 to emit_move_change_mode. Update callers.
3891 (emit_move_complex): Pass true to new force argument.
3892 * function.c (expand_function_end): Move expand_eh_return call
3893 earlier. Merge sub-word complex values into a pseudo before
3894 copying to the return hard register.
3896 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
3898 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3899 between different sizes.
3901 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
3905 * passes.c (init_optimization_passes): Register dump files for
3908 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
3910 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3911 * config/s390/s390.c (s390_overlap_p): New function.
3912 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3913 peephole2, "*xc" peephole2): Added overlap check to the peephole2
3916 2005-09-16 Richard Guenther <rguenther@suse.de>
3918 * ipa-pure-const.c (static_execute): Free auxiliar information.
3919 * ipa-type-escape.c (discover_unique_type): Free temporary key.
3920 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3922 2005-09-15 DJ Delorie <dj@redhat.com>
3924 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3926 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3928 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3930 (swap_commutative_operands_with_target): New.
3932 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
3934 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3937 (estimate_iters_using_array): New function.
3938 * tree-data-ref.h (estimate_iters_using_array): Prototype
3939 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3940 Use estimate_iters_using_array instead of analyze_array.
3942 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
3944 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3947 2005-09-15 Michael Matz <matz@suse.de>
3949 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3951 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
3953 PR tree-optimization/23835
3954 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3955 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3957 2005-09-14 Richard Henderson <rth@redhat.com>
3959 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3960 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3962 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
3964 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3965 in the ARRAY_TYPE case.
3967 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
3969 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3971 2005-09-14 Uros Bizjak <uros@kss-loka.si>
3974 * tree-vect-transform.c (vectorizable_operation): Return false for
3975 scalar shift operations and for vector shift operations with
3976 non-invariant shift arguments. Use scalar tree operand op1 as
3977 a shift operand when vector shift insn pattern uses scalar shift
3979 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3981 2005-09-14 Olivier Hainque <hainque@adacore.com>
3983 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3984 value if it has side-effects.
3986 2005-09-14 David Edelsohn <edelsohn@gnu.org>
3989 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3991 2005-09-14 Alan Modra <amodra@bigpond.net.au>
3993 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3994 passed as NAME as if it were label at start of function code.
3996 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
3998 * config/sh/sh.md (*movv4sf_i): Add general register cases to
4001 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4003 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
4004 as early clobber. Rewrite so the PIC register is not implicitly used.
4006 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4008 * tree.c (annotate_with_file_line): Compare line numbers before
4011 2005-09-13 Uros Bizjak <uros@kss-loka.si>
4014 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
4015 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
4017 2005-09-13 Ian Lance Taylor <ian@airs.com>
4019 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4020 than a HOST_WIDEST_INT to gen_doloop_begin.
4022 2005-09-13 Diego Novillo <dnovillo@redhat.com>
4024 * tree-dfa.c (dump_variable): Guard against NULL annotations.
4026 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
4028 PR tree-optimize/23817
4029 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4031 2005-09-13 Alan Modra <amodra@bigpond.net.au>
4034 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4035 word before changing the stack pointer. Use gen_frame_mem for MEMs.
4036 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4037 (restore_stack_nonlocal): Likewise.
4038 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4040 2005-09-12 Ian Lance Taylor <ian@airs.com>
4043 * c.opt (ffriend-injection): New C++ option.
4044 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4045 (C++ Dialect Options): Document -ffriend-injection.
4047 2005-09-12 Josh Conner <jconner@apple.com>
4050 * ipa-reference.c (static_execute): Don't mark variables in
4051 named sections TREE_READONLY.
4053 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4055 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4058 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4060 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4061 V_MUST_DEF instead of just the first_use_p.
4062 Don't mark the virtual variables for renaming on the statement which
4064 (pass_dse): Remove TODO_update_ssa.
4066 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
4069 * stor-layout.c (compute_record_mode): For records with a single
4070 field, actually check the field's mode size against the type size.
4072 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4073 registers for TARGET_SHMEDIA.
4074 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4075 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
4076 of GENERAL_REGS and FP_REGS.
4078 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
4080 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4082 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4084 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4085 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4086 are omitted. Exclude stack_tie insn too.
4088 2005-09-11 David Edelsohn <edelsohn@gnu.org>
4090 PR rtl-optimization/23098
4091 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4093 * config/rs6000/rs6000.md (movdf splitter): Use
4094 const_double_operand predicate for TARGET_POWERPC64.
4095 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4096 SYMBOL_REF method to ABI_V4.
4098 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4099 replace_equiv_address.
4100 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4101 rs6000_sr_alias_set and MEM_NOTRAP.
4102 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4104 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
4106 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4107 handle CALL_EXPR again.
4109 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
4111 * arm/predicates.md (alignable_memory_operand): Delete.
4113 2005-09-10 Richard Henderson <rth@redhat.com>
4116 * dbxout.c (dbxout_expand_expr): New.
4117 (dbxout_symbol): Use it.
4119 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
4121 * arm.c (arm_gen_rotated_half_load): Delete.
4122 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4123 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4124 (thumb_set_return_address): Likewise.
4125 (thumb_load_double_from_address): Use adjust_address.
4126 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4127 (extendhsisi2_mem, movhi_bytes): Use change_address.
4128 (movhi): Use widen_memory_access.
4129 (reload_out_df): Use replace_equiv_address.
4130 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4132 2005-09-09 Richard Henderson <rth@redhat.com>
4135 * dbxout.c: Include expr.h.
4136 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4137 (dbxout_symbol): Handle DECL_VALUE_EXPR.
4138 * Makefile.in (dbxout.o): Add EXPR_H.
4140 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
4142 PR tree-optimization/23509
4143 * tree-cfg.c (replace_uses_by): Use replace_exp.
4144 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4145 pointers have name_mem_tag or type_mem_tag set.
4147 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4149 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4150 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4151 of wrongly accessing operands.
4153 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4155 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4156 * tree-chrec.c: Include tree-scalar-evolution.h.
4157 (chrec_convert): Instantiate the base and step before calling
4158 scev_probably_wraps_p that would fail on parametric evolutions.
4159 Collect all the fails into a single section failed_to_convert,
4160 print a diagnostic, and return chrec_dont_know instead of calling
4162 * tree-scalar-evolution.c (loop_closed_phi_def): New.
4163 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4165 (scev_const_prop): Don't replace the definition of a loop closed ssa
4166 phi node by itself, or by another loop closed ssa phi node.
4167 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4168 that base and step are defined.
4170 2005-09-09 Richard Guenther <rguenther@suse.de>
4173 * fold-const.c (fold_ternary): Check truth_value_p before
4174 calling invert_truthvalue.
4176 2005-09-09 Nick Clifton <nickc@redhat.com>
4178 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4179 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4180 dimension of these arrays.
4181 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4183 * longlong.h: Only provide a prototype for the __clz_tab[] array
4184 if this header has not been included from libgcc2.h.
4185 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4187 Provide prototypes for exported functions.
4188 Use the __clz_tab[] and __popcount_tab[] arrays provided by
4191 2005-09-08 Josh Conner <jconner@apple.com>
4195 * expr.c (expand_expr_addr_expr_1): Don't invoke
4196 expand_simple_binop for EXPAND_INITIALIZER.
4198 2005-09-08 Richard Henderson <rth@redhat.com>
4201 * toplev.c (wrapup_global_declaration_1): Split out ...
4202 (wrapup_global_declaration_2): ... from ...
4203 (wrapup_global_declarations): ... here. Return bool.
4204 (check_global_declaration_1): Split out ...
4205 (check_global_declarations): from here.
4206 (emit_debug_global_declarations): New.
4207 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4208 check_global_declaration_1, emit_debug_global_declarations): Declare.
4209 * c-decl.c (c_write_global_declarations_1): Don't create a vector
4210 of decls. Call wrapup_global_declaration_1,
4211 wrapup_global_declaration_2, check_global_declaration_1 directly.
4212 (c_write_global_declarations_2): New.
4214 (c_write_global_declarations): Call c_write_global_declarations_2.
4215 * langhooks.c (write_global_declarations): Call
4216 emit_debug_global_declarations.
4218 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4219 remove decls that have DECL_RTL_SET_P.
4220 * passes.c (rest_of_decl_compilation): Invoke
4221 cgraph_varpool_finalize_decl for all but functions.
4223 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4225 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4226 the result of a conversion if the new min and max cannot be compared.
4228 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
4230 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4231 (override_options): Setting s390_sr_alias_set removed.
4232 (save_fpr, save_gprs): Set alias set to vararg or frame.
4233 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4234 s390_sr_alias_set with get_frame_alias_set ().
4235 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4236 get_varargs_alias_set ().
4238 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4242 * c-parser.c (c_parser_objc_method_definition): If the next
4243 token is not "{", error out and don't start the function.
4245 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4247 * tree-vrp.c (extract_range_from_expr): Move the check for non
4248 nullness after the check for gimple invariant.
4250 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4252 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4254 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4257 * config/m32r.md (movmemsi_internal): Canonicalize order of
4258 operands in PLUS component of template.
4260 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4262 * reload1.c (fixup_eh_region_note): Remove assertion.
4263 (fixup_abnormal_edges): Reverted removal of call to
4264 find_many_sub_basic_blocks made on 2005-08-31.
4266 2005-09-07 Richard Henderson <rth@redhat.com>
4268 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4269 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4270 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4271 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4272 rearrange for better packing.
4273 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4274 (lookup_cfa_1): Remove inline marker.
4275 (cfa_equal_p): Split out of ...
4276 (def_cfa_1): ... here. Use INVALID_REGNUM.
4277 (build_cfa_loc): Handle !cfa->indirect.
4278 (frame_pointer_cfa_offset): New.
4279 (dbx_reg_number): Assert register elimination performed; do
4280 leaf register remapping.
4281 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4282 (eliminate_reg_to_offset): New.
4283 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4284 for verifiably local stack frame addresses; re-base to CFA.
4285 (mem_loc_descriptor): Remove can_use_fbreg argument.
4286 (concat_loc_descriptor, loc_descriptor): Likewise.
4287 (containing_function_has_frame_base): Remove.
4288 (rtl_for_decl_location): Don't do register elimination or
4289 leaf register remapping here.
4290 (secname_for_decl): Split out from ..
4291 (add_location_or_const_value_attribute): ... here.
4292 (convert_cfa_to_loc_list): New.
4293 (compute_frame_pointer_to_cfa_displacement): New.
4294 (gen_subprogram_die): Use them.
4295 * tree.h (frame_base_decl): Remove.
4296 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4297 (prologue_stack_adjust): Remove.
4298 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4299 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4300 (set_frame_base_location): Remove.
4301 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4302 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4303 (vt_add_function_parameters): Don't eliminate_regs.
4304 (vt_initialize): Don't create frame_base_decl.
4306 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4308 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4309 version of GNU binutils for 4.x and later.
4311 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4313 * ggc-page.c (ggc_push_context): Remove.
4314 (ggc_pop_context): Likewise.
4315 * ggc.h (ggc_push_context): Remove.
4316 (ggc_pop_context): Likewise.
4318 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4321 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4322 returning from an interrupt handler.
4324 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4327 * config/arc/arc.c (output_shift): Add check for loop count when
4330 2005-09-06 Steven Bosscher <stevenb@suse.de>
4332 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4334 (abs_replacement): Likewise.
4335 (pass_phiopt): Remove TODO_update_ssa.
4337 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4340 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4341 if "return with no value, in function returning non-void" warning
4343 * tree-cfg.c (execute_warn_function_return): Don't look at
4344 RETURN_EXPRs with TREE_NO_WARNING set.
4347 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4348 for internal functions doesn't use registers used by global registers
4349 variables. Use fewer register parameters if there are global register
4352 2005-09-06 Olivier Hainque <hainque@adacore.com>
4353 Eric Botcazou <ebotcazou@adacore.com>
4356 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4357 when we would be extracting outside its bit span (bitpos+bitsize
4358 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4359 Ada unchecked conversions.
4361 2005-09-06 Steven Bosscher <stevenb@suse.de>
4363 * tree-ssa-pre.c (try_look_through_load): New function.
4364 (compute_avail): Use it to try to look through loads for some
4365 more useful expressions.
4367 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4369 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4370 condition for detecting cases like (a&a) and (a^a).
4372 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4374 * common.opt: Add option ftree-vect-loop-version.
4375 * params.def: Add --param vect-max-version-checks.
4376 * doc/invoke.texi: Document ftree-vect-loop-version and
4377 --param vect-max-version-checks.
4378 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4379 may_misalign_stmts and defines for accessors.
4380 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4381 LOOP_VINFO_MAY_MISALIGN_STMTS.
4382 (destroy_loop_vec_info): VEC_free for
4383 LOOP_VINFO_MAY_MISALIGN_STMTS.
4384 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4385 Update documentation.
4386 (vect_update_misalignment_for_peel): New.
4387 (vect_enhance_data_refs_alignment): Update to choose loop
4388 peeling or loop versioning if appropriate for the (potentially)
4389 unaligned data references in the loop.
4390 (vect_analyze_data_refs_alignment): Remove call to
4391 vect_enhance_data_refs_alignment so the checks can be done
4393 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4394 and move up call to vect_analyze_data_refs_alignment.
4395 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4396 (vect_transform_loop): Add call to loop_version.
4398 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4400 PR rtl-optimization/23098
4401 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4402 * simplify-rtx.c (constant_pool_reference_p): New function.
4403 * rtl.h (constant_pool_reference_p): New prototype.
4404 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4405 constant_pool_reference_p in condition and
4406 avoid_constant_pool_reference in preparation statements.
4408 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4410 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4411 STRICT_LOW_PART SETs.
4413 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4416 * except.c (sjlj_emit_function_enter): Find the function begin
4417 note even when it's not in first basic block.
4419 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4421 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4422 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4423 * aclocal.m4: Regenerate.
4425 2005-09-05 DJ Delorie <dj@redhat.com>
4427 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4430 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4432 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4433 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4434 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4435 Follow spelling conventions.
4436 * doc/invoke.texi: Follow spelling conventions.
4438 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4440 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4441 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4442 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4444 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4447 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4448 (output_stack_adjust): Use gen_tmp_stack_mem.
4449 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4450 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4451 (sh_get_pr_initial_val): Likewise.
4452 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4453 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4454 * sh.md (divsi_inv_m0): Use gen_const_mem.
4455 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4456 (movdf_i4+1): Use gen_tmp_stack_mem.
4457 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4458 (fpu_switch+2): Likewise.
4459 (movv4sf_i, movv16sf_i): Use adjust_address.
4460 (symGOT_load): Set MEM_NOTRAP_P bit.
4462 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4465 * pa.c (emit_move_sequence): Fix typo in last change.
4467 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4469 PR rtl-optimization/23454
4470 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4473 2005-09-03 Richard Henderson <rth@redhat.com>
4474 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4477 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4480 2005-09-02 Nicolas Pitre <nico@cam.org>
4482 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4483 to bit_count to 32 bits.
4485 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4488 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4489 generating synthetic loads from volatile lvalues.
4491 005-09-02 Nick Clifton <nickc@redhat.com>
4493 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4494 __ctzhi2, __clzhi2): New functions.
4496 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4499 * tree-nested.c (struct var_map_elt): Mark with GTY.
4500 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4502 (lookup_field_for_decl): Allocate new element in GC memory.
4503 (lookup_tramp_for_decl): Likewise.
4504 (convert_nl_goto_reference): Likewise
4505 (create_nesting_tree): Allocate info in GC memory. Likewise for
4507 (free_nesting_tree): Free with ggc_free instead of free.
4508 (root): New static variable.
4509 (lower_nested_functions): Remove root as local variable. And zero out
4510 root at the end of the function.
4512 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4514 PR rtl-optimization/20365
4515 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4516 to short. New member ix.
4517 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4518 (simplify_plus_minus): Initialize ix members before calling qsort.
4520 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4522 PR tree-optimization/23626
4523 * tree-cfg.c (replace_uses_by): Clean up eh info.
4525 2005-09-01 DJ Delorie <dj@redhat.com>
4527 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4530 2005-09-01 David Edelsohn <edelsohn@gnu.org>
4532 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4533 (rs6000_split_multireg_move): Use replace_equiv_address instead of
4536 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
4538 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
4539 do not issue warning for a variable definition following
4542 2005-09-01 Richard Henderson <rth@redhat.com>
4545 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4546 conversion to CONST_VECTOR.
4548 2005-09-01 Richard Henderson <rth@redhat.com>
4551 * reload1.c (reload_as_needed): Check !CALL_P before calling
4552 fixup_eh_region_note.
4553 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4555 2005-09-01 DJ Delorie <dj@redhat.com>
4557 * varasm.c (output_constant): Let the target resolve
4558 conversions of addresses to non-default pointer sizes.
4560 2005-09-01 Nicolas Pitre <nico@cam.org>
4562 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4563 to alow matching ARM pre-indexed addressing mode.
4564 (arm_override_options): Remove now irrelevant comment.
4566 2005-09-01 Phil Edwards <phil@codesourcery.com>
4568 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
4569 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
4570 * config/i386/vxworks.h: Likewise.
4571 * config/i386/t-vxworksae: New file, for VxWorks AE.
4572 * config/i386/vxworksae.h: Likewise.
4574 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4576 PR tree-optimization/23410
4577 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4578 sequence is not wrapping during the first step.
4580 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4583 * dwarf2out.c (base_type_die): Compare char_type_node with
4584 TYPE_MAIN_VARIANT (type), not type.
4586 2005-09-01 Richard Guenther <rguenther@suse.de>
4588 PR tree-optimization/15366
4589 * common.opt: Add -finline-functions-called-once.
4590 Put -fearly-inlining in alphabetically ordered place.
4591 * doc/invoke.texi: Document new option.
4592 * ipa-inline.c (cgraph_decide_inlining): Honour
4593 flag_inline_functions_called_once.
4595 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4597 PR rtl-optimization/23478
4598 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4599 (alloc_qty): Initialize it.
4600 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4601 (combine_regs): Combine also n_throwing_calls_crossed fields.
4602 (find_free_reg): Don't attempt to caller-save pseudos crossing
4603 calls that might throw.
4604 * global.c (struct allocno): Add throwing_calls_crossed field.
4605 (global_alloc): Revert 2005-08-22 change. Initialize
4606 throwing_calls_crossed.
4607 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4610 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4613 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4614 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4615 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4616 (and64_2_operand): Tweak to use predicate.
4617 (and_operand): Adjust for mask_operand changes.
4618 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4619 (print_operand): Likewise.
4620 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4621 (mask64_1or2_operand): Delete.
4622 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4623 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4624 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4625 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4626 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4627 (rotldi3_internal4): Likewise.
4628 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4629 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4630 (ashldi3_internal7): Likewise.
4631 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4632 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4633 (anddi3 split): Don't match mask64_operand.
4634 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4635 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4636 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
4637 't' splitter predicate.
4638 (movdi_internal64 + 2): Revert 2005-06-11 change.
4640 2005-08-31 DJ Delorie <dj@redhat.com>
4642 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4643 (m32c_asm_integer): Add support for 32 bit pointers.
4645 2005-08-31 Richard Henderson <rth@redhat.com>
4647 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4648 component-like references for setting MEM_NOTRAP_P.
4650 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4651 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4653 2005-08-31 Richard Henderson <rth@redhat.com>
4655 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4656 into a pseudo before applying gen_lowpart.
4658 2005-08-31 Geoffrey Keating <geoffk@apple.com>
4660 * doc/install.texi (Specific): Update cctools version required
4661 for full functionality.
4662 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4663 linkers as -macosx_version_min.
4665 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4668 * sh.c (print_operand, %R and %S): Add handling of floating point
4669 registers, memory, constants and invalid operands.
4671 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
4673 * ipa-pure-const.c: Change dump name.
4675 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4678 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4679 to "reg_or_0_operand".
4680 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4682 2005-08-31 Dale Johannesen <dalej@apple.com>
4684 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
4685 loops that count down.
4687 2005-08-31 Richard Henderson <rth@redhat.com>
4690 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4691 (fixup_eh_region_note): New.
4692 (reload_as_needed): Call it.
4693 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4694 don't call find_many_sub_basic_blocks; call verify_flow_info.
4695 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4696 (keep_stack_depressed): Likewise.
4697 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4699 2005-08-31 Richard Henderson <rth@redhat.com>
4701 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4704 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
4706 * expr.c (expand_expr_real_1): Compare size of address
4707 mode to target's address mode size in deciding expansion of
4708 the constant address.
4710 2005-08-31 Richard Guenther <rguenther@suse.de>
4713 * expr.c (all_zeros_p): New function.
4714 (expand_expr_real_1): Handle the case of an all-zero
4715 non-addressable constructor separately.
4717 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
4719 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4720 arguments, adjust all callers.
4721 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4723 2005-08-30 Richard Henderson <rth@redhat.com>
4726 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4727 whenever the mode sizes match.
4729 2005-08-31 Alan Modra <amodra@bigpond.net.au>
4731 * calls.c (load_register_parameters): Fix comment typo.
4732 * expr.c (emit_push_insn): Comment formatting.
4734 2005-08-30 Ian Lance Taylor <ian@airs.com>
4736 * config/i386/x-cygwin (host-cygwin): Change dependency from
4737 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4739 2005-08-29 Geoffrey Keating <geoffk@apple.com>
4741 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4744 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4747 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4748 call to ggc_collect.
4750 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
4753 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4754 beginning. Remove $(INCLUDES) from all the rules, if following
4755 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4757 2005-08-29 Jakub Jelinek <jakub@redhat.com>
4760 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4761 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4762 not constant, but maxlen is, don't set len to maxlen, rather
4763 set maxlen to len if len is a constant.
4765 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
4767 PR tree-optimization/23475
4768 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4771 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
4773 Fix PR middle-end/22455
4775 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4776 Checksum only the parts of the tree that exist for the tree code.
4778 2005-08-28 Dale Johannesen <dalej@apple.com>
4780 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
4782 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
4784 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4786 2005-08-28 Richard Henderson <rth@redhat.com>
4788 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4789 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4792 2005-08-28 Jakub Jelinek <jakub@redhat.com>
4795 * builtins.c (get_memory_rtx): Don't strip nops
4796 in between COMPONENT_REFs.
4798 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
4801 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4803 (gimplify_modify_expr): Check for zero sized types and gimplify the
4804 rhs and lhs as statements.
4806 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
4809 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4810 state for return address column of signal frames.
4812 2005-08-27 David Edelsohn <edelsohn@gnu.org>
4815 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4816 bytes >= 2 not bytes == 2.
4817 (expand_block_move): Same.
4819 2005-08-27 Richard Guenther <rguenther@suse.de>
4822 * config/i386/sse.md (sse2_movsd): Add missing closing
4825 2005-08-27 Paul Brook <paul@codesourcery.com>
4827 * genrecog.c (enum decision_type): Add DT_num_insns.
4828 (struct decision_test): Add u.num_insns.
4829 (add_to_sequence): Add DT_num_insns test.
4830 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4831 (write_cond, debug_decision_2): Ditto.
4832 (change_state): Assume peep2_next_insn never fails.
4833 Remove "afterward" argument.
4834 (write afterward, write_tree): Update to match.
4835 * recog.c (peep2_current_count): New variable.
4836 (peep2_next_insn): Check it.
4837 (peephole2_optimize): Set peep2_current_count.
4838 * recog.h (peep2_current_count): Declare.
4840 2005-08-26 Josh Conner <jconner@apple.com>
4843 * ipa-pure-const.c (check_tree): Check for volatile-ness
4844 when considering a dereference.
4846 2005-08-27 Jakub Jelinek <jakub@redhat.com>
4848 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4850 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4852 PR rtl-optimization/23561
4853 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
4854 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4855 at most LEN bytes long memory fits into the field.
4856 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4857 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4858 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4860 2005-08-26 Richard Henderson <rth@redhat.com>
4863 * loop.c (biased_biv_may_wrap_p): New.
4864 (maybe_eliminate_biv_1): Use it to suppress non-equality
4865 comparison transformations. Delete disabled code.
4867 2005-08-26 Ian Lance Taylor <ian@airs.com>
4869 * combine.c (make_extraction): Avoid reference outside object.
4871 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
4873 * stor-layout.c (finalize_type_size): Restore behaviour for
4874 non-aggregate types to the status quo ante of the patch for
4875 pr 23467. Document why it matters.
4877 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4880 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4881 array by one element, initialize the BT_LAST element with NULL.
4883 2005-08-26 David Edelsohn <edelsohn@gnu.org>
4885 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4886 optimizing for size.
4888 (compare_plus_eqsi): Same.
4889 (plus_eqsi_compare): Same.
4890 (neg_eq0<mode>): Same.
4891 (neg_eq<mode>): Same.
4893 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4896 2005-08-26 Nick Clifton <nickc@redhat.com>
4898 * config/v850/v850.c (ep_memory_operand): Return FALSE if
4899 TARGET_EP is not defined.
4900 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4901 TARGET_EP is enabled.
4902 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4903 * config/v850/v850.md (save_all_interrupt): Only use the EP
4904 register if TARGET_EP is defined.
4905 (restore_all_interrupt): Likewise.
4906 * config/v850/lib1funcs.asm: Update functions so that the EP
4907 register is only used if __EP__ is defined.
4909 2005-08-26 David Ung <davidu@mips.com>
4911 * config/mips/mips.c (mips_expand_prologue): Handle case when
4912 generating for MIPS16 and the outgoing argument area is more than
4913 SMALL_OPERAND. Use the frame pointer as temporary to generate the
4916 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
4918 * config/crx/crx.md: Make doloop_end pattern usage controllable
4919 via mloop-nesting=<max-nesting> command line switch. Make sure
4920 the combiner cannot use doloop_end_<mode> in an illegal way.
4921 * config/crx/crx.c: Use regs up to r6 for argument passing.
4922 Refine crx_address_cost (non cst4 displacements are expensive).
4923 * config/crx/crx.opt: Add switch for mloop-nesting=.
4925 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
4927 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4928 (UNSPEC_MVST): New constant.
4930 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
4932 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4933 Reject operands containing eliminable registers.
4934 * testsuite/gcc.dg/20050825-1.c: New testcase.
4936 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4937 Jan Hubicka <jh@suse.cz>
4939 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4941 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4943 PR tree-optimization/23546
4944 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4947 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
4949 * params.def (PARAM_MIN_SPEC_PROB): New.
4950 * sched-rgn.c (MIN_PROBABILITY): Delete.
4951 (compute_trg_info): Convert to PARAM_VALUE.
4952 * doc/invoke.texi (param): Document min-spec-prob.
4954 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
4956 * config/darwin.h: define __PIC__
4957 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4958 TARGET_OS_CPP_BUILTINS macro.
4960 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4962 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4965 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4967 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4969 * cfghooks.c (duplicate_block): Added position where to place
4970 new block as argument.
4971 * cfghooks.h (duplicate_block): Declaration changed.
4972 * cfglayout.c (copy_bbs): Add argument after. Pass it to
4974 * cfglayout.h (copy_bbs): Declaration changed.
4975 * cfgloop.h (loop_version): Declaration changed.
4976 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4977 position to copy_bbs.
4978 (loop_version): Pass position to duplicate_loop_to_header_edge.
4979 Add place_after argument and position new blocks according to
4981 * modulo-sched.c (sms_schedule): Pass place_after argument
4983 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4984 * tree-cfg.c (split_edge_bb_loc): New function.
4985 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4986 to determine position of new blocks.
4987 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4989 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4990 argument to duplicate_block.
4991 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4992 Pass position to copy_bbs.
4994 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4996 * fold-const.c (ptr_difference_const): Use
4997 cst_and_fits_in_hwi instead of host_integerp.
4999 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5001 * config/darwin.c (gen_pic_offset): New.
5002 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
5005 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
5007 PR tree-optimization/23486
5008 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
5010 2005-08-23 Phil Edwards <phil@codesourcery.com>
5012 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
5013 remove use_collect2.
5014 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
5016 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
5017 configuration files to override the default value.
5019 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
5020 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5021 * config/vx-common.h: New file, split out from...
5022 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
5023 * config/vxworksae.h: New file, for VxWorks AE.
5024 * config/vxworks.opt: New file.
5025 * config/vxlib.c: Update for VxWorks 6.
5027 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
5028 other MULTILIB_* variables appropriately.
5029 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
5030 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
5031 * config/rs6000/vxworks.h: Update for VxWorks 6.
5032 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
5034 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
5037 * config/darwin.c (machopic_select_section): Remove the hack to
5038 mark "::operator new" and "::operator delete" for coalescing
5039 even though they are not weak.
5041 2005-08-24 Alan Modra <amodra@bigpond.net.au>
5043 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5044 * configure: Regenerate.
5046 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5049 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5051 * convert.c (convert_to_integer, convert_to_vector): Likewise.
5052 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5055 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5057 * config/rs6000/predicates.md (equality_operator): New.
5058 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5059 comparison with a large constant.
5061 2005-08-23 Mark Mitchell <mark@codesourcery.com>
5063 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5065 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
5067 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5068 registers is even, and we have a hardware double precision fp,
5070 (sh_gimplify_va_arg_expr): For floating point arguments, consider
5071 size of current argument when checking if argument was passed in
5074 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5077 * stor-layout.c (finalize_type_size): Dont override
5078 existing alignment with a smaller alignment from the mode.
5080 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5082 * lambda-code.c (lambda_vector_lexico_pos): Moved...
5083 * lambda.h (lambda_vector_lexico_pos): ... here.
5084 * tree-data-ref.c (build_classic_dist_vector): Return false when
5085 the distance vector is lexicographically negative.
5087 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5089 PR tree-optimization/23511
5090 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5091 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5093 2005-08-23 Jakub Jelinek <jakub@redhat.com>
5095 PR tree-optimization/22043
5096 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5097 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5098 If ALLOW_FLEXARR, handle types ending with flexible array member.
5099 Pass false as second argument to recursive count_type_elements calls.
5100 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5101 argument to count_type_elements call.
5102 * tree-sra.c (decide_block_copy): Likewise.
5103 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5104 for a constant-sized object, set cleared as well. Pass true as
5105 second argument to count_type_elements call.
5107 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5110 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5111 from legitimate_small_data_p, and make global. Update use.
5112 Remove forward declaration.
5113 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5115 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5117 2005-08-23 David Edelsohn <edelsohn@gnu.org>
5119 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5120 of scratch intermediates.
5121 (eq<mode>_compare): Same.
5122 (neg_eq0<mode>): New.
5123 (neg_eq<mode>): Convert to define_insn_and_split.
5125 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5128 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5129 stdarg functions, set/clear the fp marker even when no variable
5131 * config/rs6000/sysv4.opt (mprototype): Describe.
5133 2005-08-22 Jakub Jelinek <jakub@redhat.com>
5135 PR rtl-optimization/23478
5136 * regs.h (reg_info): Add throw_calls_crossed.
5137 (REG_N_THROWING_CALLS_CROSSED): Define.
5138 * flow.c (allocate_reg_life_data): Initialize
5139 REG_N_THROWING_CALLS_CROSSED.
5140 (propagate_one_insn, attempt_auto_inc): Update
5141 REG_N_THROWING_CALLS_CROSSED.
5142 * global.c (global_alloc): Don't allocate pseudos across
5143 calls that may throw.
5145 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
5148 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5149 value is inbetween the range if we did not find an exact match.
5151 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
5153 * doc/invoke.texi (Option Summary): Add ms1 options.
5154 * doc/extend.texi: Document interrupt handler attribute for ms1.
5155 * doc/md.texi: Document ms1 constraints.
5156 * config.gcc: Add ms1-*-elf.
5157 * config/ms1/ms1.h: New.
5158 * config/ms1/ms1.c: New.
5159 * config/ms1/ms1.md: New.
5160 * config/ms1/ms1-protos.h: New.
5161 * config/ms1/ABI.txt: New.
5162 * config/ms1/crti.asm: New.
5163 * config/ms1/crtn.asm: New.
5164 * config/ms1/lib2extra-funcs.c: New.
5165 * config/ms1/t-ms1: New.
5166 * config/ms1/ms1.opt: New.
5168 2005-08-22 Ira Rosen <irar@il.ibm.com>
5170 * config/rs6000/altivec.md (xorv4sf3): New.
5171 (negv4sf2, neg<mode>2): Likewise.
5173 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
5176 * config/ia64/ia64.md (divsi3): Check divide by zero.
5177 (udivsi3): Likewise.
5179 (udivdi3): Likewise.
5181 2005-08-21 Jakub Jelinek <jakub@redhat.com>
5183 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5184 up to elem_bitsize bits, not max_bitsize.
5186 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5188 PR tree-optimization/23433
5189 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5190 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5192 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5194 PR tree-optimization/23434
5195 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5196 the iteration bound is not an INTEGER_CST.
5198 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
5200 * tree-vect-transform.c (get_initial_def_for_reduction): Set
5201 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5202 NULL if need_epilog_adjust is false.
5203 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5204 Case 3 always peels first itration, not just for PLUS case, and no need
5205 to use scalar_initial_def here. Create an epilog adjustment only if
5206 scalar_initial_def is not NULL.
5208 (vectorizable_reduction): Remove assert.
5210 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
5213 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5214 (__moddi3): Likewise.
5215 (__udivdi3): Likewise.
5216 (__umoddi3): Likewise.
5217 (__divsi3): Likewise.
5218 (__modsi3): Likewise.
5219 (__udivsi3): Likewise.
5220 (__umodsi3): Likewise.
5222 2005-08-20 Jakub Jelinek <jakub@redhat.com>
5224 * tree-pass.h (TDF_GRAPH): Define.
5225 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5226 * passes.c (finish_optimization_passes): Only call
5227 finish_graph_dump_file if TDF_GRAPH is set.
5228 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5229 NULL. Set TDF_GRAPH bit.
5230 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5232 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5234 * arm.h (arm_stack_offsets): Add locals_base field.
5235 * arm.c (arm_get_frame_offsets): Compute it.
5236 (thumb_compute_initial_elimination offset): Make the Thumb frame
5237 pointer point to the base of the local variables.
5238 (thumb_expand_prologue): Update accordingly.
5239 (thumb_expand_epilogue): Likewise.
5241 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5242 mode of clobbered scratch to DImode. Handle a case that's known to
5245 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5247 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5248 (gt0<mode>_compare): Delete.
5249 (neg_gt0<mode>): Delete.
5251 2005-08-19 Eric Christopher <echristo@apple.com>
5253 * optabs.h: Change CTI_ to COI_.
5256 2005-08-19 James E Wilson <wilson@specifix.com>
5258 * builtins.c (expand_builtin_return_addr): Set
5259 current_function_accesses_prior_frames when count != 0. Use
5260 frame_pointer_rtx when count == 0.
5261 * function.h (struct function): Add accesses_prior_frames field.
5262 (current_function_accesses_prior_frames): Define.
5263 * reload1.c (init_elim_table): Check
5264 current_function_accesses_prior_frames.
5265 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5267 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5269 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5270 indicator. Return true if the flowgraph changed during
5273 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5276 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5277 conditional expression before testing its value.
5279 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5281 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5283 2005-08-19 Devang Patel <dpatel@apple.com>
5285 PR tree-optimization/23048
5286 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5287 third parameter. Check whether latch is dominated by exit
5289 (if_convertible_loop_p): Supply exit block itself to
5290 if_convertible_bb_p.
5292 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5295 * arm.md (arm_load_pic_register): Change argument to the mask of
5296 saved registers. Call thumb_find_work_register if we need a
5297 scratch register on Thumb.
5298 (arm_expand_prologue): Pass empty register set to
5299 arm_load_pic_register.
5300 (thumb_expand_prologue): Pass live_regs_mask directly to
5301 arm_load_pic_register.
5302 * arm-protos.h (arm_load_pic_register): Update prototype.
5304 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5306 * sh.c (find_sole_member): New function.
5307 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5308 if the record's alignment is larger than the size of its only member.
5310 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5313 * arm.c (thumb_legitimize_reload_address): New function.
5314 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5315 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5317 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5319 * config/crx/crx.c: Implement crx_decompose_address. Reject
5320 symbolic displacements since CRX register relative adressing
5321 mode can't handle unsigned 32-bit values as displacements.
5322 * config/crx/crx.h: Simplify definitions, remove redundant
5323 parenthesis and obsolete macros.
5324 * config/crx/crx.opt: Add new switch for debugging addresses.
5325 * config/crx/crx-protos.h: Add new declarations for above.
5327 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5330 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5333 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5335 * collect2.c (dup2): Delete.
5336 * configure.ac: Don't check for dup2.
5338 * config.in, configure: Regenerate.
5340 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5342 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5343 record with the type of its only member.
5345 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5347 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5348 define_insn_and_split.
5349 (plus_ltu<mode>_compare): Same.
5350 (gtu<mode>_compare): Same.
5351 (plus_gtu<mode>_compare): Same.
5353 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5355 PR tree-optimization/22228
5356 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5358 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5359 are recorded in vect_vnames_to_rename for renaming.
5360 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5361 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5362 in vect_vnames_to_rename.
5363 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5364 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5366 2005-08-18 Jan Hubicka <jh@suse.cz>
5369 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5370 info only for local statics, not for member variables.
5372 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5374 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5376 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5378 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5380 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5383 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5385 2005-08-17 James E Wilson <wilson@specifix.com>
5387 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5390 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5392 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5393 (leu<mode>_compare): Same.
5394 (plus_leu<mode>): Same.
5395 (neg_leu<mode>): Same.
5396 (and_neg_leu<mode): Same.
5397 (ltu<mode>_compare): Same.
5398 (plus_ltu<mode>): Same.
5400 (geu<mode>_compare): Same.
5401 (plus_geu<mode>): Same.
5402 (neg_geu<mode>): Same.
5403 (and_neg_geu<mode>): Same.
5404 (plus_gt<mode>): Same.
5405 (gtu<mode>_compare): Same.
5406 (plus_gtu<mode>): Same.
5408 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5410 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5411 Move call_table_data to end. Delete spurious .text.
5412 (callt_save_all_interrupt): Fix comment typo.
5414 2005-08-17 James E Wilson <wilson@specifix.com>
5415 Kevin Winchester <winchester@amirix.com>
5418 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5420 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5423 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5424 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5426 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5428 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5429 record with the type of its only member if the modes don't match.
5431 * varasm.c (decode_reg_name): Skip empty additional register names.
5433 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5435 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5436 lsm_tmp_name_length): New.
5437 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5438 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5440 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5441 Andreas Krebbel <krebbel1@de.ibm.com>
5443 * config.gcc: Added z9-109 switch.
5444 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5445 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5446 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5447 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5448 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5449 for "z9_109" cpu attribute.
5450 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5451 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5452 (s390_handle_arch_option): Added z9-109 switch.
5453 (override_options): Set respective cost function for z9-109.
5454 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5455 (legitimate_reload_constant_p): Accept extended immediates.
5456 (print_operand): Three new output modifiers added: k, m and o.
5457 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5458 (s390_output_mi_thunk): Use extended immediate when possible.
5459 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5460 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5461 (CONSTRAINT_LEN): Added length of O constraint.
5462 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5463 * config/s390/s390.md ("cpu"): New value z9_109 added.
5464 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5465 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5466 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5467 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5468 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5469 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5470 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5471 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5472 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5473 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5474 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5475 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5476 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5477 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5478 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5480 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5481 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5482 insns for TARGET_EXTIMM.
5484 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5486 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5488 2005-08-17 Nick Clifton <nickc@redhat.com>
5490 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5491 Call default_encode_section_info.
5493 2005-08-17 Steven Bosscher <stevenb@suse.de>
5495 PR tree-optimization/21574
5496 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5497 constant, return CONSTANT.
5498 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5499 (ccp_fold, visit_assignment): Likewise.
5500 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5502 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5504 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5505 fold_buildN instead of buildN then fold_initializer or fold.
5506 (build_unary_op): Likewise.
5507 (build_binary_op): Likewise.
5508 * fold-const.c (fold_initializer): Remove.
5509 (fold_build1_initializer): New function.
5510 (fold_build2_initializer): New function.
5511 (fold_build3_initializer): New function.
5512 * tree.h (fold_initializer): Remove.
5513 (fold_build1_initializer): New function.
5514 (fold_build2_initializer): New function.
5515 (fold_build3_initializer): New function.
5517 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5519 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5520 (try_move_mult_to_index): Call fold_build2 instead of build2.
5521 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5522 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5523 fold_binary_to_constant.
5524 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5526 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5527 check if A == gcd (A, B). Remove TYPE argument.
5528 (analyze_offset) Use fold_build2 instead of fold (build.
5529 (create_data_ref): Likewise.
5530 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5531 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5534 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
5536 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5537 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5539 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
5542 * gimplify.c (zero_sized_type): New function.
5543 (gimplify_modify_expr_rhs): If we have a zero sized type,
5544 replace the statement with an empty statement.
5546 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
5548 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5551 2005-08-16 Ian Lance Taylor <ian@airs.com>
5553 * doc/tm.texi (Label Output): Correct typo.
5555 2005-08-16 Steven Bosscher <stevenb@suse.de>
5558 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5559 force_operand will work later on using have_insn_for.
5561 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5563 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5565 2005-08-16 Ian Lance Taylor <ian@airs.com>
5568 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5569 vector type, don't try to construct it element by element. Add an
5570 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5572 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5574 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5576 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5578 * doc/invoke.texi (Precompiled Headers): Document some more options
5579 which are known to be safe.
5581 2005-08-16 James E Wilson <wilson@specifix.com>
5583 PR tree-optimization/21105
5584 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5585 TREE_OVERFLOW check.
5587 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5589 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5590 (neg_ltu<mode>): Same.
5592 (neg_gtu<mode>): Same.
5594 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5596 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5597 (fold_builtin_isdigit): Use fold_buildN.
5598 (build_function_call_expr): Likewise.
5599 * c-typeck.c (c_finish_loop): Likewise.
5601 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5602 Richard Shann <rshann@superh.com>
5604 PR middle-end/20396:
5605 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5607 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5609 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5611 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5614 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5615 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5618 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5621 * fold-const.c (build_range_check): Disable optimization for function
5622 pointer expressions on targets that require function pointer
5625 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5627 * simplify-rtx.c (simplify_const_relational_operation): When
5628 extracting arguments of a COMPARE, recompute the mode as well.
5630 2005-08-15 Ian Lance Taylor <ian@airs.com>
5632 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5634 2005-08-15 DJ Delorie <dj@redhat.com>
5636 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5638 (movsi_splittable): Allow, but split, moves to the stack.
5639 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5642 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5644 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5645 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5646 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5648 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5649 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5650 Delete HOST_PTR_PRINTF.
5652 * configure, config.in: Regenerate.
5654 2005-08-15 David Edelsohn <edelsohn@gnu.org>
5656 * config/rs6000/rs6000.md (QHSI): New mode macro.
5657 (wd): Extend mode attr for QImode and HImode
5658 (dbits): New mode attr.
5659 (zero_extend<mode>di2): Convert to mode macro.
5661 2005-08-15 Steve Ellcey <sje@cup.hp.com>
5664 * doc/invoke.texi (-mgnu-ld): Update description.
5667 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5670 * Makefile.in (tree-chrec.o): Depends on real.h.
5671 * tree-chrec.c: Include real.h.
5672 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5673 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5674 * tree-scalar-evolution.c (add_to_evolution_1,
5675 interpret_rhs_modify_expr): Ditto.
5677 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5680 * tree-data-ref.c (estimate_niter_from_size_of_data): When
5681 step is negative compute the estimation from init downwards to zero.
5683 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
5685 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5687 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5689 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5691 (legitimate_reload_constant_p): Fix handling of lliXX operands.
5692 Accept double-word constants that can be split.
5693 * config/s390/s390.md ("movti"): Use 'P' constraint.
5694 ("*movdi_31", "*movdf_31"): Likewise.
5696 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
5698 Fix PR tree-optimization/22615
5700 * tree-ssa-structalias.c (solution_set_add): Handle
5701 first_vi_for_offset returning NULL.
5702 (do_da_constraint): Ditto.
5703 (do_sd_constraint): Ditto.
5704 (do_ds_constraint): Ditto
5705 (find_func_aliases): Ditto.
5706 (build_constraint_graph): RHS is allowed be ANYTHING.
5707 (first_vi_for_offset): Return NULL if we couldn't find anything at
5710 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5712 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5713 over memory as first operand.
5715 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
5718 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5719 available for setting it.
5721 2005-08-14 Ira Rosen <irar@il.ibm.com>
5723 PR tree-optimization/23320
5724 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5725 data-refs' types instead of base object nullness. Add check for
5726 pointer type data-refs before first location comparison. Remove
5729 2005-08-14 Andreas Schwab <schwab@suse.de>
5731 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5733 2005-08-13 James E Wilson <wilson@specifix.com>
5735 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5736 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5737 -fstack-protector-all, --param ssp-buffer-size): Document.
5738 (-Wvariadic-macros): Alphabetize.
5739 (-fsched-stalled-insns-dep): Add missing 'f'.
5741 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5744 2005-08-13 David Edelsohn <edelsohn@gnu.org>
5746 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5747 or indirect address operand.
5748 (EXTRA_ADDRESS_CONSTRAINT): New.
5749 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5751 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
5753 PR tree-optimization/22236
5754 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5755 successors and predecessors.
5756 * tree-chrec.c (chrec_convert): Before converting, check that
5757 sequences don't wrap.
5758 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5759 (analyze_array): Extern.
5760 (find_data_references_in_loop): Remove call to
5761 compute_estimated_nb_iterations.
5762 * tree-data-ref.h (analyze_array): Declared.
5763 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5764 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5765 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5766 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5768 * tree-ssa-loop-ivcanon.c: Fix documentation.
5769 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5770 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5771 (infer_loop_bounds_from_undefined): New.
5772 (estimate_numbers_of_iterations_loop): Use
5773 infer_loop_bounds_from_undefined.
5774 (used_in_pointer_arithmetic_p): New.
5775 (scev_probably_wraps_p): Pass an extra parameter. Call
5776 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
5777 (convert_step): Fix documentation.
5778 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5779 Use initial_condition_in_loop_num and evolution_part_in_loop_num
5780 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
5781 scev_probably_wraps_p.
5783 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
5785 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5786 (s390_register_info): Ignore clobbered_regs information for fixed
5787 registers, and only fixed registers.
5788 (s390_init_frame_layout): Remove redundant call.
5790 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
5792 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5793 description of -Wold-style-casts.
5795 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5796 Jakub Jelinek <jakub@redhat.com>
5798 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5799 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5800 * config/s390/s390.c (print_operand): New output modifier 'G' added.
5801 (get_thread_pointer): Renamed to s390_get_thread_pointer.
5802 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5803 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5804 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5805 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5806 ("stack_protect_set", "stack_protect_test"): New expanders.
5807 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5808 "stack_protect_testdi"): New insn definitions.
5810 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5812 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5814 2005-08-12 Paul Brook <paul@codesourcery.com>
5816 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5818 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5820 * config/s390/predicates.md (setmem_operand): New predicate.
5821 (shift_count_operand): Accept ANDs with special constants as
5823 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5824 with special constants.
5825 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5826 shift_count_operand with setmem_operand.
5828 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5830 * config/s390/s390.c (s390_extract_part, s390_single_part):
5832 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5833 (s390_output_mi_thunk): Don't use lg on 31 bit.
5834 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5835 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5837 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5839 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5840 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5841 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5842 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5843 with one of the new macros.
5845 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5847 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5848 Don't set save_return_addr_p.
5849 (s390_register_info): Make clobbered_regs not depending on
5852 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
5854 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5855 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5857 2005-08-11 James E. Wilson <wilson@specifix.com>
5859 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5861 2005-08-11 Jakub Jelinek <jakub@redhat.com>
5863 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5864 locations gathered by var-tracking in single entry loc_list
5865 over loc_descriptor_from_tree.
5867 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5868 pass it down to loc_descriptor.
5869 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5870 (containing_function_has_frame_base): Move earlier in the file.
5871 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5872 instead of always assuming fbreg can't be used.
5874 2005-08-11 David Edelsohn <edelsohn@gnu.org>
5876 * config/rs6000/altivec.md: Change constraint "m" to "Z".
5877 * config/rs6000/predicates.md (indexed_or_indirect_operand):
5878 Accept address wrapped in AND for Altivec.
5879 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5880 Strip AND wrapping offset address for Altivec.
5882 2005-08-11 Richard Henderson <rth@redhat.com>
5885 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5886 before using TYPE_IS_SIZETYPE.
5888 2005-08-11 Richard Henderson <rth@redhat.com>
5891 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5892 insn types not present on ev4.
5893 (alphaev5_insn_pipe): Similarly.
5895 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
5898 * arm.c (arm_override_options): If the user has selected callee-super-
5899 interworking, then enable normal interworking.
5901 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5903 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5906 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
5908 * doc/rtl.texi: Fix two typos.
5910 2005-08-11 Richard Guenther <rguenther@suse.de>
5913 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5914 cases where we call to/from functions returning void.
5916 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
5919 * tree.c (build_pointer_type_for_mode): Robustify.
5921 2005-08-10 James E Wilson <wilson@specifix.com>
5923 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5924 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5926 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5929 2005-08-10 Eric Christopher <echristo@apple.com>
5931 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5932 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5935 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
5938 * config/darwin.c (machopic_indirect_data_reference): Use a new register
5939 for the high part when generating dynamic-no-pic code.
5941 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
5943 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5944 (x86_64-*-linux*): Likewise.
5946 * config/i386/crtfastmath.c: New file.
5947 * config/i386/t-crtfm: Likewise.
5949 * config/i386/linux.h (ENDFILE_SPEC): New.
5950 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5952 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5955 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
5957 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5958 (vec_shl, vec_shr): Document new operations.
5959 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5961 2005-08-10 David Edelsohn <edelsohn@gnu.org>
5963 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5964 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5965 change predicate to indexed_or_indirect_address.
5967 2005-08-10 Richard Sandiford <richard@codesourcery.com>
5969 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5970 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5971 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5972 and __aeabi_uwrite8.
5973 * config/arm/unaligned-funcs.c: New file.
5974 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5976 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
5978 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5980 * cfglayout.c (pass_insn_locators_initialize): Add dump.
5981 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5983 * except.c (pass_convert_to_eh_region_ranges): Add dump.
5984 * final.c (pass_shorten_branches): Add dump.
5985 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5986 (pass_life): Rename dump.
5987 (rest_of_handle_flow2): Remove initial verify_flow_info.
5988 * function.c (pass_instantiate_virtual_regs): Add dump.
5989 * integrate.c (pass_initial_value_sets): Add dump.
5990 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5991 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5992 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5993 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5994 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5995 gate_rtl_unrool_and_peel_loops): New.
5996 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5997 rtl_doloop): Do not look at flags.
5998 * mode-switching.c (pass_mode_switching): Add dump.
5999 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
6000 pass_split_before_regstack): Add dump.
6001 * regmove.c (pass_stack_adjustments): Add dump.
6002 * tree-optimize.c (pass_fixup_cfg): Add dump.
6004 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6007 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
6008 deciding which instruction sequence to use.
6010 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
6012 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
6013 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
6015 2005-08-09 Richard Guenther <rguenther@suse.de>
6017 * c-common.c (builtin_function_2): Remove.
6018 (def_builtin_1): New function.
6019 (c_common_nodes_and_builtins): Use def_builtin_1 to
6020 build builtin functions.
6022 2005-08-09 Jie Zhang <jie.zhang@analog.com>
6024 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6025 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6026 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6029 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6031 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6032 fold_binary instead of fold_build2 since we don't care about the
6034 (loop_niter_by_eval): Likewise.
6035 (compare_trees): Likewise.
6036 (proved_non_wrapping_p): Likewise.
6038 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6042 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6043 if the if is really empty.
6045 2005-08-09 Steven Bosscher <stevenb@suse.de>
6047 PR tree-optimization/23234
6048 * tree-ssa-math-opts.c (place_reciprocal): New enum.
6049 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6050 argument of the new enum.
6051 (execute_cse_reciprocals): Add reciprocals for function arguments
6052 on the unique successor edge of the entry block. Update other calls
6053 to execute_cse_reciprocals_1.
6055 2005-08-08 Richard Henderson <rth@redhat.com>
6058 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6060 2005-08-08 Bob Wilson <bob.wilson@acm.org>
6062 * expr.c (write_complex_part): Return after handling MEM.
6064 2005-08-08 Josh Conner <jconner@apple.com>
6066 PR rtl-optimization/23241
6067 * combine.c (simplify_comparison): Fix error in determining
6068 whether to lift a subreg from comparison.
6070 2005-08-08 David Edelsohn <edelsohn@gnu.org>
6073 * config/rs6000/altivec.md (vec_init<mode>): New.
6074 (vec_set<mode>): New.
6075 (vec_extract<mode>): New.
6076 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6077 (rs6000_expand_vector_set): New.
6078 (rs6000_expand_vector_extract): New.
6079 (rs6000_legitimate_offset_address_p): Offset addresses are valid
6080 for Altivec modes before reload.
6081 (altivec_expand_vec_init_builtin): New.
6082 (get_element_number): New.
6083 (altivec_expand_vec_set_builtin): New.
6084 (altivec_expand_vec_ext_builtin): New.
6085 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6087 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6089 * config/rs6000/rs6000.h (rs6000_builtins): Add
6090 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6091 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6092 * config/rs6000/rs6000-protos.h: Declare new functions.
6094 2005-08-08 Jan Hubicka <jh@suse.cz>
6096 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6097 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6098 * i386.md (movdi*): Use pic_32bit_operand.
6099 * predicates.md (pic_32bit_operand): New.
6101 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
6104 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6106 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
6108 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6109 (test_for_singularity): Use fold_build2.
6111 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6113 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6115 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
6117 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6118 (COMMON_ASM_OP) Define.
6119 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6120 (ix86_encode_section_info): Likewise.
6121 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6122 SUBTARGET_ENCODE_SECTION_INFO.
6124 2005-08-06 Richard Henderson <rth@redhat.com>
6127 * tree-nested.c (convert_local_reference): Save and restore val_only
6128 around component_ref and friends. Clear walk_subtrees by default.
6130 2005-08-06 Peter O'Gorman <peter@pogma.com>
6133 * gcc.c (process_command): Check the argument to -b has a dash.
6134 * doc/invoke.texi: Update -b and -V docs.
6136 2005-08-06 James E Wilson <wilson@specifix.com>
6138 * config/mips/cross64.h, config/mips/t-cross64: Delete.
6140 2005-08-06 Michael Matz <matz@suse.de>
6142 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6143 member only if only one insn is associated with the value.
6145 2005-08-06 Nick Clifton <nickc@redhat.com>
6147 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6149 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6150 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6151 Check symbol flags instead of symbol name mangling.
6152 (xstormy16_asm_output_aligned_common): Likewise. Also
6153 simplify code since the bss100_section cass is the only case
6154 where the below100 code will be triggered.
6155 (xstormy16_encode_section_info): Encode below100 attribute
6156 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6158 (xstormy16_strip_name_encoding): Delete - this function is no
6160 (TARGET_STRIP_NAME_ENCODING): Undefine.
6161 * config/stormy16/stormy16-protos.h: Delete prototype for
6162 xstormy16_strip_name_encoding.
6164 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
6166 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6167 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6168 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6169 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6170 config/alpha/predicates.md, config/arc/arc.h,
6171 config/arm/arm.h, config/arm/ieee754-df.S,
6172 config/arm/ieee754-sf.S, config/bfin/bfin.c,
6173 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6174 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6175 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6176 config/m68hc11/m68hc11.h, config/mips/mips.c,
6177 config/mips/mips.h, config/mips/openbsd.h,
6178 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6179 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6180 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6181 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6182 config/sparc/linux.h, config/sparc/linux64.h,
6183 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6184 doc/extend.texi, doc/gcov.texi, doc/install.texi,
6185 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6186 typos. Follow spelling conventions.
6188 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
6191 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6192 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6193 specially. Check for side effects only for COND_EXPR.
6194 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6195 return with TREE_NO_WARNING.
6197 2005-08-06 Richard Sandiford <richard@codesourcery.com>
6199 PR rtl-optimization/23233
6200 * loop.c (combine_movables): Require the modes to be the same.
6201 (move_movables): Remove handling of cases where the replacement
6202 had a different mode to the original.
6204 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
6206 PR tree-optimization/23128
6207 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6208 subtraction wrap, and set TREE_OVERFLOW if they do.
6210 2005-08-05 Richard Henderson <rth@redhat.com>
6213 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6214 FORCED_LABEL labels.
6216 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
6219 * reload.c (find_reloads_subreg_address): Pass down TYPE
6220 unchanged. Change all callers except find_reloads_toplev.
6222 2005-08-05 Michael Matz <matz@suse.de>
6224 * genattrtab.c (current_alternative_string): Remove.
6225 (SIMPLIFY_ALTERNATIVE): Ditto.
6226 (attr_alt_bit_p): Ditto.
6227 (alternative_name): Make const char *.
6228 (evaluate_eq_attr): Remove use of above things.
6229 (simplify_test_exp): Ditto.
6230 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6231 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6233 2005-08-04 James E Wilson <wilson@specifix.com>
6235 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6236 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6237 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6238 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6239 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6241 2005-08-04 Richard Henderson <rth@redhat.com>
6244 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6245 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6246 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6247 if we'd have to instantiate too many members.
6249 2005-08-04 Richard Henderson <rth@redhat.com>
6252 * tree-outof-ssa.c (coalesce_asm_operands): New.
6253 (coalesce_ssa_name): Use it. Split out ...
6254 (coalesce_phi_operands, coalesce_result_decls): ... these.
6256 2005-08-04 Paul Brook <paul@codesourcery.com>
6258 * read-rtl.c (read_quoted_string): Break if EOF.
6260 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6262 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6263 (fold_build2): Likewise.
6264 (fold_build3): Likewise.
6265 (fold_build1_stat): New function prototype.
6266 (fold_build2_stat): Likewise.
6267 (fold_build3_stat): Likewise.
6268 * fold-const.c (fold_build1): Rename to ..
6269 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6270 through to build1_stat.
6271 (fold_build2): Rename to ..
6272 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6273 through to build2_stat.
6274 (fold_build3): Rename to ..
6275 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6276 through to build3_stat.
6278 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6279 Ian Lance Taylor <ian@airs.com>
6281 * function.c (assign_stack_local_1): Do not correct stack slot
6282 address if allocation size is smaller than mode size.
6284 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6287 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6288 (tree_merge_blocks): Propagate anything allowed by
6290 Clarify documentation.
6291 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6292 SSA form, schedule an update if necessary.
6294 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6296 * doc/install.texi (Binaries): Remove broken link to
6297 Sinix/Reliant Unix binaries.
6299 2005-08-03 Richard Henderson <rth@redhat.com>
6302 * function.c (stack_protect_epilogue): Export.
6303 * tree.h (stack_protect_epilogue): Declare.
6304 * calls.c (expand_call): Call it.
6306 2005-08-03 Eric Christopher <echristo@apple.com>
6308 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6309 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6312 2005-08-04 Jan Hubicka <jh@suse.cz>
6314 * profile.c (branch_prob): Split edges with goto locus on them
6315 to get proper line counts.
6316 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6318 2005-08-03 Paul Brook <paul@codesourcery.com>
6320 * function.c (assign_parms): Round current_function_args_size
6321 to PARM_BOUNDARY, not STACK_BOUNDARY.
6323 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6325 * config/i386/i386.c (x86_elf_aligned_common)
6326 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6328 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6330 PR tree-optimization/23157
6331 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6332 before emitting them.
6334 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6336 PR tree-optimization/19899
6337 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6338 * tree-scalar-evolution.c: Include real.h.
6339 (add_to_evolution): Build constant -1 of correct type.
6341 2005-08-03 Jan Hubicka <jh@suse.cz>
6343 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6344 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6345 profile updating for complette unrolling.
6346 * loop-unroll.c (peel_loop_completely): Use it.
6347 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6348 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6351 2005-08-03 Paul Brook <paul@codesourcery.com>
6353 * combine.c (can_change_dest_mode): New function.
6354 (try_combine, simplify_set): Use it.
6356 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6358 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6361 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6363 * doc/install.texi (Specific): Adjust link to openavr.org.
6364 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6365 (Binaries): Adjust HP-UX Porting Center link.
6366 (Binaries): Adjust Free Software Foundation ordering link.
6368 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6370 * convert.c (convert_to_integer): Use fold_build1 instead of
6371 build1 when converting an integer to an integer.
6373 2005-08-02 Richard Henderson <rth@redhat.com>
6375 * combine.c (combine_instructions): Don't use reg_equal/equiv
6376 results if the mode doesn't match.
6378 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6380 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6381 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6383 2005-08-02 Richard Henderson <rth@redhat.com>
6386 * explow.c (memory_address): Remove special-case for
6387 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6389 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6392 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6393 number of calls to cleanup_tree_cfg_1.
6395 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6397 * doc/invoke.texi: document file extensions .F90 and .F95
6399 2005-08-02 Richard Guenther <rguenther@suse.de>
6401 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6402 positive if its first argument is positive.
6404 2005-08-02 Richard Guenther <rguenther@suse.de>
6406 PR tree-optimization/23177
6407 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6410 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6412 PR tree-optimization/23129
6413 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6414 varying for divisions with anti-ranges.
6416 2005-08-02 Jan Hubicka <jh@suse.cz>
6418 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6419 * tree-ssa-threadupdate.c (thread_block): Add it here.
6421 2005-08-01 James E Wilson <wilson@specifix.com>
6423 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6424 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6425 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6427 * config/mips/predicates.md (const_call_insn_operand): Add check for
6428 SYMBOL_REF_LONG_CALL_P.
6429 * doc/extend.texi (long_call): Document the new attribute.
6431 2005-08-01 Ian Lance Taylor <ian@airs.com>
6432 Richard Henderson <rth@redhat.com>
6434 * Makefile.in (RTL_BASE_H): Add real.h.
6435 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6437 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6439 * rtl.c (rtl_check_failed_code_mode): New.
6440 * rtl.h (struct rtx_def): Add u.rv.
6441 (XCMWINT, XCNMPRV): New.
6442 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6443 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6445 2005-08-01 Richard Henderson <rth@redhat.com>
6447 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6448 with auto-inc codes.
6450 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6452 2005-08-01 Jan Hubicka <jh@suse.cz>
6454 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6455 * i386.c: Include dwarf2.h
6456 (asm_preferred_eh_data_format): New.
6457 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6459 2005-08-01 Ian Lance Taylor <ian@airs.com>
6461 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6462 randomize_va_space for virtual address randomization control.
6464 2005-08-01 Steven Bosscher <stevenb@suse.de>
6466 * common.opt (flag_ipa_cp): Put in right place to maintain
6469 2005-08-01 Jan Hubicka <jh@suse.cz>
6471 * profile.c (compute_value_histograms): Fix thinko.
6472 * value-prof.c: Include toplev.h
6473 (check_counter): New function.
6474 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6475 tree_mod_subtract_transform): Add sanity check.
6477 2005-08-01 Richard Guenther <rguenther@suse.de>
6479 PR tree-optimization/23133
6480 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6481 current functions parameter decls to find defs to cse
6484 2005-08-01 Richard Guenther <rguenther@suse.de>
6486 PR tree-optimization/23109
6487 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6488 If trapping math is in effect, use post-dominator information
6489 to check if we'd in any case reach a trapping point before
6490 doing the reciprocal insertion.
6491 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6492 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6493 expressions are invariant only if trapping math is not in effect.
6495 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6497 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6498 cgraph_function_versioning): New declarations.
6499 * cgraphunit.c: Add include to ipa-prop.h.
6500 (update_call_expr, cgraph_copy_node_for_versioning,
6501 cgraph_function_versioning): New functions.
6502 * integrate.c (copy_decl_for_inlining): Remove.
6503 * ipa-prop.h (ipa_replace_map): New struct.
6504 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6505 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6506 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6507 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6508 ipcp_iterate_stage, ipcp_method_scale_print,
6509 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6510 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6511 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6512 ipcp_update_bb_counts, ipcp_update_profiling,
6513 ipcp_update_edges_counts): New functions.
6514 (ipcp_method_cval_init): Remove restriction regarding local methods.
6515 (ipcp_init_stage): Add ipcp_method_compute_scale.
6516 (ipcp_insert_stage): Add versioning.
6517 (ipcp_structures_print): Add ipcp_method_scale_print.
6518 (ipcp_driver): Dump profiling info.
6519 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6520 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6521 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6522 (struct inline_data): Add versioning_p, ipa_info, new fields.
6523 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6524 declare_return_variable): Replace calls to copy_decl_for_inlining with
6526 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6528 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6529 Add argument VERSIONING.
6530 (copy_arguments_for_versioning, copy_static_chain,
6531 function_versionable_p, tree_versionable_function_p,
6532 tree_function_versioning, replace_ref_tree): New functions.
6533 * tree-inline.h: Include varray.h.
6534 (tree_versionable_function_p, tree_function_versioning,
6535 tree copy_decl_for_dup): New declarations.
6537 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6539 * ipa-cp.c: New file. Contains IPCP specific functionality.
6540 * ipa-prop.h: New file. Contains structures/definitions that can be
6541 used by several interprocedural data flow optimizations (and also IPCP).
6542 * ipa-prop.c: New file.
6543 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6544 * common.opt: Add ipa-cp flag.
6545 * timevar.def: Add IPCP optimization.
6546 * tree-optimize.c (init_tree_optimization_passes): Schedule
6548 * tree-pass.h (pass_ipa_cp): Declare.
6550 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
6552 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6553 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6554 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6555 config/i386/i386.c, config/mips/mips.h,
6556 config/rs6000/rs6000.h, config/sh/sh.c,
6557 config/stormy16/stormy16.c: Fix comment typos.
6559 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
6562 * c-typeck.c (build_binary_op): Use common_type wrapper on
6564 (common_type): Update comment.
6566 2005-07-31 Steven Bosscher <stevenb@suse.de>
6569 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6570 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6571 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6573 2005-07-31 Jan Hubicka <jh@suse.cz>
6575 * pretty-print.h (pp_widest_integer): New macro.
6576 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6579 2005-07-31 Jan Hubicka <jh@suse.cz>
6581 * output.h (enum section_category): Export from varasm.c
6582 (categorize_decl_for_section): Likewise.
6583 * varasm.c (enum section_category): Kill.
6584 (categorize_decl_for_section): Make global.
6585 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6587 * i386.c (ix86_section_threshold): New static variable.
6588 (ix86_in_large_data_p, ix86_encode_section_info,
6589 x86_64_elf_unique_section,
6590 x86_64_elf_select_section): New functions.
6591 (TARGET_ENCODE_SECTION_INFO): Define
6592 (override_options): Enable medium model for PIC.
6593 (ix86_expand_prologue): Expand gen_set_got_rex64.
6594 (legitimate_constant_p): Handle new UNSPECs.
6595 (legitimate_pic_address_disp_p): Likewise.
6596 (legitimize_pic_address): Lower MEDIUM model addressing.
6597 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6598 (enum cmodel): Add MEDIUM_PIC.
6599 (SYMBOL_REF_FAR_ADDR_P): New macro.
6600 (SYMBOL_FLAG_FAR_ADDR): New flag.
6601 * i386.md (movdi): Support medium model.
6602 (set_got_rex64): New pattern.
6603 * i386.opt (mlarge-data-threshold): New flag.
6604 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6605 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6606 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6607 TARGET_ASM_UNIQUE_SECTION): New.
6609 * invoke.texi (-mlarge_data_threshold): Document
6611 2005-07-31 Jan Hubicka <jh@suse.cz>
6613 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6614 (coalesce_vars): Likewise.
6615 * tree-ssa-live.c (coalesce_cost): New.
6616 (build_tree_conflict_graph): Use coalesce_cost.
6617 * tree-ssa-live.h (coalesce_cost): Declare.
6619 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6621 * arm.md (all peepholes for post-increment operations): Delete.
6622 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6623 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6624 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6625 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6626 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6628 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6630 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6633 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6636 * doc/invoke.texi: Document -rdynamic.
6638 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
6641 * c-parser.c (c_parser_parms_list_declarator): Call
6642 mark_forward_parm_decls.
6643 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6644 decls with visibility structure.
6646 2005-07-30 Paul Brook <paul@codesourcery.com>
6648 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6650 2005-07-30 Paul Brook <paul@codesourcery.com>
6652 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6654 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6656 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6658 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6661 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6662 nested function declarators.
6663 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6664 (grokparms): Call warn_if_shadowing for parameters used within the
6666 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6667 not used within the parameter list.
6668 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6670 2005-07-30 Jan Hubicka <jh@suse.cz>
6672 * expr.c (expand_expr_real_1): Do not load mem targets into register.
6673 * i386.c (ix86_fixup_binary_operands): Likewise.
6674 (ix86_expand_unary_operator): Likewise.
6675 (ix86_expand_fp_absneg_operator): Likewise.
6676 * optabs.c (expand_vec_cond_expr): Validate dest.
6678 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6681 * real.c (real_from_string): Also set last bit if there is a
6682 nonzero hex digit beyond GCC's internal precision after ".".
6684 2005-07-29 David Edelsohn <edelsohn@gnu.org>
6686 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6687 define_constants. Change duplicate values to unassigned numbers.
6688 Change UNSPEC_SUBS to UNSPEC_VSUBS.
6689 (*altivec_vspltsf): New.
6690 (altivec_vperm_v4sf): Delete.
6691 (altivec_vperm_<mode>): Use mode macro V.
6692 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6693 (altivec_predicate_v4sf): Delete.
6694 (altivec_predicate_<mode>): Use mode macro V.
6695 (*altivec_lvesfx): New.
6696 (*altivec_stvesfx): New.
6697 (vec_realign_load_v4sf): Delete.
6698 (vec_realign_load_<mode>): Use mode macro V.
6699 * config/rs6000/rs6000.c (generate_set_vrsave): Use
6702 2005-07-29 Mark Mitchell <mark@codesourcery.com>
6705 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6707 * configure: Regenerated.
6709 2005-07-29 Paul Brook <paul@codesourcery.com>
6711 * doc/install.texi: Add link to GFortran binaries wiki page.
6713 2005-07-29 David Ung <davidu@mips.com>
6715 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6716 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6717 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6718 * config/mips/mips.md (cpu): Add 5kf name.
6719 (includes): Includes 5k.md.
6720 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6721 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6724 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6727 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6728 (cleanup_tree_cfg): ... here.
6729 Call cleanup_tree_cfg_1 until there are no more cleanups to
6732 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
6734 * tree-vrp.c (compare_range_with_value): Return true or false
6735 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6736 EQ_EXPR respectively.
6738 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
6740 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6743 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6745 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6746 (tree_ssa_dominator_optimize): Increment it.
6747 (dump_dominator_optimization_stats): Print it.
6749 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
6750 Steven Bosscher <stevenb@suse.de>
6752 PR rtl-optimization/23117
6753 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6754 when head == tail. Tidy comment.
6756 2005-07-28 Richard Henderson <rth@redhat.com>
6758 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6759 * cselib.c (rtx_equal_for_cselib_p): Likewise.
6760 * jump.c (rtx_renumbered_equal_p): Likewise.
6761 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6762 CONST_INT and CONST_DOUBLE.
6763 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6764 * reload.c (operands_match_p): Special case CONST_INT and
6765 CONST_DOUBLE; check mode earlier.
6767 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6770 * c-typeck.c (convert_for_assignment): Do not check
6771 DECL_IN_SYSTEM_HEADER on NULL fundecl.
6773 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6776 * c-typeck.c (composite_type): Prefer constant size arrays to
6779 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6782 * real.c (real_from_string): Set last bit if there is a nonzero
6783 hex digit beyond GCC's internal precision.
6785 2005-07-28 Richard Henderson <rth@redhat.com>
6788 * cfgcleanup.c (try_forward_edges): Watch out for end of
6791 2005-07-28 James E Wilson <wilson@specifixinc.com>
6794 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6796 2005-07-28 Jan Hubicka <jh@suse.cz>
6798 * Makefile.in (rtl-profile.o): Kill all traces of it.
6799 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6800 * coverage.h (rtl_coverage_counter_ref): Kill.
6801 * opts.c (flag_speculative_prefetching_set): Kill.
6802 (flag_loop_optimize_set): New.
6803 (common_handle_option): Disable loop optimizer when profiling;
6804 do not handle speculative prefetching.
6805 * passes.c (init_optimization_passes): Replace pass_profiling combo
6806 by branch_prob pass.
6807 * profile.c (compute_value_histograms): Update for simplified value
6809 (rtl_register_profile_hooks): Kill.
6810 (pass_profiling): Kill.
6811 (rest_of_handle_branch_prob): Do not profile.
6812 * toplev.c (process_options): Remove speculative prefetching.
6813 * toplev.h (flag_tree_based_profiling): Kill.
6814 * tree-profile.c (prepare_instrumented_value,
6815 tree_gen_interval_profiler, tree_gen_pow2_profiler,
6816 tree_gen_one_value_profiler, do_tree_profiling): Update for
6817 simplified datastructures.
6818 * value-prof.c: Add comment that speculative prefetching was dropped;
6819 update rest of file for simplified datastructures.
6820 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6821 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6822 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6823 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6824 rtl_mod_subtract, gen_speculative_prefetch,
6825 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6826 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6827 (gate_handle_value_profile_transformations,
6828 rest_of_handle_value_profile_transformations,
6829 pass_value_profile_transformations): Kill.
6830 * value-prof.h (histogram_value_t): Remove IL based unions.
6831 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6832 rtl_profile_hooks): Remove hooks.
6834 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6836 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6837 (cgraph_clone_node): Likewise.
6838 * cgraph.h (cgraph_clone_edge): Update prototype.
6839 (cgraph_clone_node): Likewise.
6840 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6842 (lookup_recursive_calls): Consider profile.
6843 (cgraph_decide_recursive_inlining): Fix updating; use new
6844 probability argument; use profile.
6845 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6846 * tree-inline.c (copy_bb): Update clal of clone_edge.
6847 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6849 * invoke.texi (min-inline-recursive-probability): Document.
6851 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
6853 * doc/install.texi (Configuration): Update Valgrind homepage.
6855 2005-07-28 Richard Henderson <rth@redhat.com>
6858 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6859 labels we want to delete.
6860 (cfg_layout_merge_blocks): Likewise.
6862 2005-07-28 Richard Henderson <rth@redhat.com>
6865 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6866 when expanding to nothing.
6868 2005-07-28 Josh Conner <jconner@apple.com>
6870 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6871 (cgraph_decide_inlining_of_small_functions): Likewise.
6873 2005-07-28 Josh Conner <jconner@apple.com>
6875 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
6876 direction of badness if negative.
6877 (cgraph_default_inline_p): Add reason to parameters, and assign it
6879 (cgraph_decide_inlining_of_small_functions): New parameter in call
6880 to cgraph_default_inline_p.
6881 (cgraph_decide_inlining_incrementally): Likewise.
6882 * cgraphunit.c (decide_is_function_needed): Likewise.
6883 * cgraph.h (cgraph_default_inline_p): Likewise.
6885 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6887 * builtins.c: Fix comment typo(s).
6888 * genautomata.c: Likewise.
6889 * gimplify.c: Likewise.
6890 * tree-dfa.c: Likewise.
6891 * tree-flow-inline.h: Likewise.
6892 * tree-into-ssa.c: Likewise.
6893 * tree-ssa-alias.c: Likewise.
6894 * tree-ssa-ccp.c: Likewise.
6895 * tree-ssa-copy.c: Likewise.
6896 * tree-ssa-dce.c: Likewise.
6897 * tree-ssa-dom.c: Likewise.
6898 * tree-ssa-operands.c: Likewise.
6899 * tree-tailcall.c: Likewise.
6900 * tree-vectorizer.c: Likewise.
6901 * tree-vrp.c: Likewise.
6904 2005-07-28 Jeff Law <law@redhat.com>
6906 * tree-vrp.c (test_for_singularity): Extracted from ...
6907 (simplify_cond_using_ranges): Attempt to simplify a relational
6908 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
6910 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
6912 PR tree-optimization/22506
6913 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6914 phis whose argument is constant.
6916 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
6918 PR rtl-optimization/18992
6919 Back out this patch:
6920 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6921 PR optimization/12142
6922 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6923 uses of the register in the SET_SRC. Remove unnecessary argument.
6925 Replace it with this:
6926 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6927 if flag_non_call_exceptions is set and the insn may trap, pass
6928 pc_rtx as dest for recursion.
6929 In SET_SRC part of SET case, if dest is already set, pass it down
6932 2005-07-28 Jan Hubicka <jh@suse.cz>
6934 * cfg.c (update_bb_profile_for_threading): Use RDIV.
6935 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6936 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6938 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6939 profile when available.
6941 2005-07-28 Jan Beulich <jbeulich@novell.com>
6943 * config/ia64/ia64.c (ia64_load_pair_ok): New.
6944 (ia64_print_operand): Describe and handle 'X'.
6945 (ia64_register_move_cost): Also handle FP_REGS.
6946 (ia64_preferred_reload_class): Likewise.
6947 (ia64_secondary_reload_class): Likewise.
6948 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6949 it. Also check for ITANIUM_CLASS_FLDP.
6950 * config/ia64/ia64.h (FP_REGNO_P): New.
6951 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6952 (reg_class): Add FP_REGS.
6953 (REG_CLASS_NAMES): Adjust for it.
6954 (REG_CLASS_CONTENTS): Likewise.
6955 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6956 (REG_CLASS_FROM_LETTER): Handle 'x'.
6957 (CLASS_MAX_NREGS): Handle FP_REGS.
6958 (MEMORY_MOVE_COST): Likewise.
6959 * config/ia64/ia64.md (itanium_class): Add fldp.
6960 (type): Handle fldp.
6961 (movti_internal): More allowable operand combinations. Use ldfp8 when
6962 splitting unnecessary. Remove predicable attribute. Adjust
6963 itanium_class attribute.
6964 (smuldi3_highpart): Remove outdated comment.
6965 (mulditi3, umulditi3, rotlti3): New expanders.
6966 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6967 (absti2): Disabled new insn for future reference.
6968 Respective new splitters.
6969 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6970 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6971 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6973 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
6975 PR rtl-optimization/23047
6976 * simplify-rtx.c (simplify_const_relational_operation): Respect
6977 flag_wrapv for comparisons with ABS.
6979 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
6981 PR tree-optimization/22493
6982 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6983 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6985 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
6987 * config/frv/frv.opt (moptimize-membar): New.
6989 * doc/invoke.texi: Document -moptimize-membar and its inverse.
6991 * config/frv/frv.h: Remove machine_function definition.
6993 * config/frv/frv.c (struct frv_io): New.
6994 (struct machine_function): Moved from frv.h. Add has_membar_p.
6995 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6996 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6997 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6998 (frv_optimize_membar_global, frv_optimize_membar): New functions.
6999 (frv_reorg): Call frv_optimize_membar when appropriate.
7000 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
7001 (frv_expand_builtin): Adjust calls accordingly.
7002 (frv_io_address_cookie): New function.
7003 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
7004 load or store rather than a special insn. Add ccnstant address and
7005 io-type operands to the membar.
7006 (frv_ifcvt_modify_tests): Unsign regno.
7007 (frv_ifcvt_modify_tests): Same.
7009 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
7010 UNSPEC_OPTIONAL_MEMBAR constant.
7011 (builtin_read_<mode>): Delete.
7012 (builtin_write_<mode>): Delete.
7013 ("optional_membar_<mode>"): Add operand.
7015 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
7016 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
7017 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
7018 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7019 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7020 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7021 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7022 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7023 * testsuite/gcc.target/frv/all-read-write-1.c: New.
7025 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
7027 * df.c (df_uses_record): Handle SCRATCH.
7029 2005-07-28 Steven Bosscher <stevenb@suse.de>
7032 * passes.c (rest_of_decl_compilation): If decl is a type and
7033 we have encountered errors, don't emit debug information.
7035 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7037 * params.def: Fixed comment.
7039 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
7042 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7043 (TARGET_ASM_UNALIGNED_HI_OP): Add.
7044 (TARGET_ASM_UNALIGNED_SI_OP): Add.
7046 2005-07-27 Steven Bosscher <stevenb@suse.de>
7049 * varasm.c (assemble_start_function): Don't do anything that may
7050 require a CFG if the current function is a thunk.
7052 2005-07-25 Geoffrey Keating <geoffk@apple.com>
7054 * doc/install.texi (Prerequisites): Mention that perl is needed
7055 to do export control in libstdc++ targetting Darwin.
7057 2005-07-27 Steven Bosscher <stevenb@suse.de>
7059 PR rtl-optimization/17808
7060 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7061 (sched_insns_conditions_mutex_p): Split out from...
7062 (add_dependence): ...here. But don't call it from here.
7063 (add_dependence_list): Check sched_insns_conditions_mutex_p
7064 before calling add_dependence.
7065 (add_dependence_list_and_free): Likewise.
7066 (fixup_sched_groups): Likewise.
7067 (sched_analyze_1): Likewise.
7068 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7069 (sched_analyze): Likewise.
7070 (sched_analyze_insn): Likewise.
7071 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7072 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
7073 dependencies on all COND_EXEC insns to jumps ending basic blocks
7074 when doing intrablock scheduling.
7075 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7077 2005-07-27 Jeff Law <law@redhat.com>
7079 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7080 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
7081 equivalency sets, correctly handle the case were vr0 has an
7082 equivalency set, but vr1 does not.
7084 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
7086 PR tree-optimization/23073
7087 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7088 vect_print_dump_info before fprintf.
7090 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7092 PR tree-optimize/22348
7093 * tree-ssa-loop-niter.c (number_of_iterations_cond):
7094 Fold the partial computation.
7096 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7098 PR tree-optimization/22325
7099 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7101 * tree-scalar-evolution.c (scev_const_prop): Add generic final
7103 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7104 (force_var_cost): ... this function.
7105 (compute_phi_arg_on_exit): Export.
7107 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7109 PR tree-optimization/20773
7110 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7113 2005-07-27 Richard Guenther <rguenther@suse.de>
7115 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7116 Avoid pushing again if current struct contains only
7117 fields we decomposed.
7119 2005-07-27 Jan Hubicka <jh@suse.cz>
7121 PR tree-optimization/22574
7122 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7125 * tree-tailcall.c (decrease_profile): New function.
7126 (eliminate_tail_call): Use it.
7128 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7129 visibility flags correctly in whole program mode.
7131 2005-07-26 Steve Ellcey <sje@cup.hp.com>
7133 PR rtl-optimization/22472
7134 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7136 2005-07-26 Steven Bosscher <stevenb@suse.de>
7138 PR tree-optimization/22504
7139 * tree-complex.c (expand_complex_addition): Use 'code' instead
7140 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7142 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7144 * config.gcc (cpu_type): Add frv case.
7145 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7146 (supported_defaults): Add fr550 case.
7148 2005-07-26 Diego Novillo <dnovillo@redhat.com>
7151 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7152 whether a pointer of type T * may point to objects of type T *.
7154 2005-07-26 DJ Delorie <dj@redhat.com>
7156 * configure: Regenerate.
7158 2005-07-26 Dale Johannesen <dalej@apple.com>
7160 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
7162 2005-07-26 Mark Mitchell <mark@codesourcery.com>
7164 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7165 Clarify use of "build" in name.
7167 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7169 * doc/extend.texi (Raw read/write Functions): New section.
7170 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7171 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7172 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7173 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7174 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7175 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7176 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7177 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7178 * config/frv/frv.c: Add bdesc_loads global.
7179 Add bdesc_stores global.
7180 (frv_init_builtins): Add support for __builtin_{read/write}*.
7181 (frv_volatile_memref): New.
7182 (frv_expand_load_builtin): New.
7183 (frv_expand_store_builtin): New.
7184 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7185 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7186 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7187 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7188 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7189 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7190 (builtin_read_<mode>): New.
7191 (builtin_write_<mode>): New.
7192 (builtin_write64): New.
7193 (optional_membar_<mode>): New.
7195 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
7197 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7198 (rather than units) against HOST_BITS_PER_WIDE_INT.
7200 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
7202 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7203 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7204 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7205 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7208 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7209 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7210 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7212 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7214 2005-07-26 Richard Guenther <rguenther@suse.de>
7216 PR tree-optimization/22486
7217 * fold-const.c (fold_unary): Fold away useless component
7218 references of the form (T *)&T.x, if the address
7221 2005-07-25 James E Wilson <wilson@specifixinc.com>
7223 * dwarf2out.c (add_call_src_coords_attributes): New.
7224 (gen_inlined_subroutine_die): Call it.
7225 (maybe_emit_file, init_file_table): Add comments.
7226 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7228 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7229 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7230 * tree.h (BLOCK_SOURCE_LOCATION): New.
7231 (struct tree_block): New field locus.
7233 2005-07-26 Andreas Schwab <schwab@suse.de>
7235 PR rtl-optimization/23043
7236 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7237 when allocating a struct unoccr.
7239 2005-07-25 Richard Henderson <rth@redhat.com>
7242 * tree-complex.c (gate_no_optimization): True if errors.
7243 * Makefile.in (tree-complex.o): Update dependencies.
7245 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7247 * config/frv/predicates.md (integer_register_operand): Use
7250 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7253 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7255 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7257 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7259 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7260 types when flag_unsafe_math_optimizations is true.
7262 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7264 * gcc.c (option_map): Add --sysroot.
7265 (process_command): Handle --sysroot.
7266 (display_help): Document it.
7267 * doc/cppopts.tex (-isysroot): Document.
7268 * doc/invoke.texi (--sysroot): Document.
7269 * doc/install.texi (--with-build-sysroot): Document.
7271 * Makefile.in (inhibit_libc): New variable.
7272 (INHIBIT_LIBC_CFLAGS): Likewise.
7273 (LIBGCC2_CFLAGS): Include
7274 $(INHIBIT_LIBC_CFLAGS).
7275 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7276 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7277 ($(T)crtend.o): Likewise.
7278 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7279 ($(T)crtendS.o): Likewise.
7280 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7281 ($(T)crtendT.o): Likewise.
7282 (stmp-fixinc): Do not complain about missing headers if
7284 * configure.ac (inhibit_libc): Set it to true/false.
7285 (--with-build-sysroot): New option. Use it to set
7287 * configure: Regenerated.
7289 2005-07-25 Manfred Hollstein <mh@suse.com>
7291 * calls.c (store_one_arg): Fix unsigned comparison warning.
7293 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7296 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7297 (ggc_print_statistics): Initialize variable before use.
7299 2005-07-25 Richard Guenther <rguenther@suse.de>
7301 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7302 calling with a PHI_NODE argument.
7304 * tree-flow-inline.h (overlap_subvar): Protect against
7307 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7309 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7310 * configure: Regenerate.
7312 2005-07-25 Ira Rosen <irar@il.ibm.com>
7314 * expr.c (highest_pow2_factor): Make extern.
7315 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7316 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7317 record_array_differ_p, array_ptr_differ_p): Likewise.
7318 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7319 additional cases. Call the above functions.
7320 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7321 base_object_differ_p when there are two base objects. Otherwise, compare
7322 base address and offset. Call may_alias_p.
7323 (dump_data_reference): Use a correct field name.
7324 (analyze_array): Make static. Initialize new data-ref fields.
7325 (analyze_indirect_ref): New function.
7326 (init_data_ref): Initialize new data-ref fields.
7327 (strip_conversion): Moved from tree-vect-analyze.c.
7328 (analyze_offset_expr, get_ptr_offset, address_analysis,
7329 object_analysis): Likewise.
7330 (analyze_offset): New function.
7331 (create_data_ref): Likewise.
7332 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7333 dimensions for ARRAY_REFs only.
7334 (build_classic_dist_vector): Make static.
7335 (access_functions_are_affine_or_constant_p): Call macro to get the
7336 address of access functions.
7337 (compute_all_dependences): Add new parameter
7338 compute_self_and_read_read_dependences. Compute self and read-read
7339 dependences if it is true.
7340 (find_data_references_in_loop): Call create_data_ref. Initialize new
7342 (compute_data_dependences_for_loop): Add new parameter
7343 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7344 compute nb_loops. Call compute_all_dependences,
7345 build_classic_dist_vector and build_classic_dir_vector with correct
7347 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7348 with correct parameters. Compare dimensions for ARRAY_REFs only.
7349 (free_data_refs): Call macro to free access functions.
7350 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7351 fields from stmt_vinfo.
7352 (struct base_object_info): New structure.
7353 (struct data_reference): Move fields to base_object_info. Add fields
7354 first_location and object_info for above structures. Move fields from
7355 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7356 aligned_to. Add macros to access the new fields.
7357 Update functions declarations.
7358 * tree-flow.h (is_aliased_with): Declare.
7359 * tree-loop-linear.c (linear_transform_loops): Call
7360 compute_data_dependences_for_loop with correct parameters.
7361 * tree-ssa-alias.c (is_aliased_with): New function.
7362 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7363 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7364 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7365 vect_base_addr_differ_p, compute_subscript_distance and
7366 build_classic_dist_vector. Add printings. Check absolute value of
7368 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7370 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7371 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7372 to bytes. Add printing.
7373 (vect_compute_data_refs_alignment): Go through loads and stores in one
7375 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7376 vect_analyze_data_ref_access): Likewise.
7377 (vect_analyze_pointer_ref_access): Remove.
7378 (vect_address_analysis, vect_object_analysis): Likewise.
7379 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7380 and analyze data-refs in the loop.
7381 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7382 fields of data-ref instead of stmt. Add init to the offset from the
7384 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7385 (vect_update_init_of_dr): Likewise.
7386 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7387 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7389 (new_loop_vec_info): Initialize new fields.
7390 (destroy_loop_vec_info): Free new fields.
7391 (vect_strip_conversion): Remove.
7392 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7393 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7394 datarefs. Add new field ddrs.
7395 Add macros for the new fields access.
7396 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7397 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7398 Remove their macros.
7399 * tree.h (highest_pow2_factor): Declare.
7401 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7403 * calls.c (store_one_arg): Check for sibling call MEM arguments
7404 from already clobbered incoming argument area.
7406 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7408 * c-common.c (check_missing_format_attribute): New.
7409 * c-common.h (check_missing_format_attribute): Likewise.
7410 * c-typeck.c (convert_for_assignment): Use it.
7412 2005-07-24 Andreas Schwab <schwab@suse.de>
7414 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7415 register use a word move. Correct operand of ext.w in 68000 code.
7417 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7419 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7420 variables as declarations, rather than definitions.
7422 2005-07-24 Ira Rosen <irar@il.ibm.com>
7424 PR tree-optimization/22526
7425 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7428 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7430 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7431 that C99 reserve for future use. Use it to define clog10,
7432 clog10f and clog10l.
7434 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7436 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7437 * configure.ac: Check for -Wmissing-format-attribute.
7439 * configure: Regenerate.
7441 2005-07-23 Richard Henderson <rth@redhat.com>
7443 PR tree-optimization/22623
7444 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7446 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7449 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7451 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7453 * Makefile.in (C_TREE_H): Update dependencies.
7454 * c-tree.h: Include toplev.h.
7455 * diagnostic.h (diagnostic_set_info): Add format attribute.
7456 * rtl-error.c (diagnostic_for_asm): Likewise.
7458 2005-07-23 Chao-ying Fu <fu@mips.com>
7460 * config/mips/mips-dsp.md: New file.
7461 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7462 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7464 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7465 MIPS_BUILTIN_BPOSGE32.
7466 (mips_expand_builtin_direct): Add one parameter to indicate that
7467 builtin functions need to return a value.
7468 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7470 (mips_regno_to_class): Add classes for 12 new DSP registers.
7471 (mips_subword): Change to check four HI registers.
7472 (mips_output_move): Output move to and from 6 new DSP accumulators.
7473 (override_options): Make sure -mdsp and -mips16 are not used together.
7474 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7476 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7478 (print_operand): Add 'q' for printing DSP accumulators.
7479 (mips_cannot_change_mode_class): Check ACC_REGS.
7480 (mips_secondary_reload_class): Check ACC_REGS.
7481 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7482 (mips_register_move_cost): Check ACC_REGS.
7483 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7484 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7485 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7486 (dsp_bdesc): New array.
7487 (bdesc_arrays): Add DSP builtin function table.
7488 (mips_prepare_builtin_arg): Check predicate again after
7490 (mips_expand_builtin): Add one more parameter to
7491 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7492 MIPS_BUILTIN_BPOSGE32.
7493 (mips_init_builtins): Initialize new function types.
7494 (mips_expand_builtin_direct): Check if builtin functions need to
7495 return a value and pass operands properly.
7496 (mips_expand_builtin_bposge): New function.
7497 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7498 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7499 (FIRST_PSEUDO_REGISTER): Increase to 188.
7500 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7501 Update for 12 new DSP registers.
7502 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7503 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7504 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7505 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7506 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7507 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7508 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7509 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7510 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7511 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7512 (REGISTER_NAMES): Add names for 12 new DSP registers.
7513 * config/mips/mips.md: Include mips-dsp.md.
7514 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7515 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7516 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7517 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7518 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7519 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7520 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7521 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7522 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7523 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7524 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7525 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7526 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7527 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7528 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7529 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7530 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7531 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7532 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7533 (UNSPEC_RDDSP): New constants.
7534 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7535 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
7537 * config/mips/mips.opt (-mdsp): New option.
7538 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7539 (reg_imm10_operand): New predicates.
7540 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7541 * doc/invoke.texi (-mdsp): Document new option.
7543 2005-07-22 DJ Delorie <dj@redhat.com>
7545 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7547 * tree-inline.c (inlinable_function_p): Likewise.
7549 2005-07-22 Mark Mitchell <mark@codesourcery.com>
7552 * toplev.c (check_global_declarations): Do not mark undefined
7553 variables as DECL_IGNORED_P.
7554 * varasm.c (first_global_object_name): GTY it.
7555 (weak_global_object_name): Likewise.
7556 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7557 a string to go into {weak,first}_global_object_name.
7559 2005-07-22 DJ Delorie <dj@redhat.com>
7561 * c-format.c (check_function_format): Change warning control
7562 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7564 2005-07-22 Diego Novillo <dnovillo@redhat.com>
7566 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7567 &PTR->FLD a dereference of PTR.
7568 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7569 a potential dereference of PTR.
7571 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7573 PR rtl-optimization/20370
7574 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7575 call allocate_reg_info if necessary.
7577 PR rtl-optimization/21848
7578 * calls.c (emit_library_call_value_1): For const functions, add
7579 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7581 PR rtl-optimization/22445
7582 * cselib.c (target.h): Include.
7583 (rtx_equal_for_cselib_p): Allow commutative matches.
7584 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7585 Remove MODE parameter. Changed all callers.
7587 PR rtl-optimization/22258
7588 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7590 (try_combine): Use likely_spilled_retval_p.
7592 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7594 * config.gcc: Add crx-elf support.
7596 * doc/contrib.texi: Mention crx.
7597 * doc/extend.texi: Document crx extensions.
7598 * doc/install.texi: Document crx install.
7599 * doc/invoke.texi: Document crx options.
7600 * doc/md.texi: Document crx constraints.
7602 * config/crx/crx-protos.h: New file.
7603 * config/crx/crx.c: New file.
7604 * config/crx/crx.h: New file.
7605 * config/crx/crx.md: New file.
7606 * config/crx/crx.opt: New file.
7607 * config/crx/t-crx: New file.
7609 2005-07-22 Manfred Hollstein <mh@suse.com>
7611 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7613 (int_add_graph_edge): Likewise.
7614 (collapse_nodes): Likewise.
7615 (process_unification_queue): Likewise.
7617 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7618 Laurent GUERBY <laurent@guerby.net>
7620 PR tree-optimization/22336
7621 * function.c (record_block_change): Check for
7622 cfun->ib_boundaries_block.
7624 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7626 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7627 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7629 2005-07-21 DJ Delorie <dj@redhat.com>
7631 * toplev.c (warn_deprecated_use): Add warning control to warning
7633 * c-typeck.c (parser_build_binary_op): Likewise.
7634 (c_finish_if_stmt): Likewise.
7635 * c-common.c (check_function_sentinel): Likewise.
7636 (check_nonnull_arg): Likewise.
7638 2005-07-21 Richard Henderson <rth@redhat.com>
7641 * tree-complex.c (complex_ssa_name_components): New.
7642 (cvc_lookup): Allow entry not found.
7643 (create_components): Remove.
7644 (create_one_component_var, get_component_var): New.
7645 (get_component_ssa_name, set_component_ssa_name): New.
7646 (extract_component): Use get_component_ssa_name.
7647 (update_complex_components): Use set_component_ssa_name.
7648 (update_complex_components_on_edge): Likewise.
7649 (update_phi_components): Create new PHI nodes directly, instead
7650 of adding insns to edges.
7651 (tree_lower_complex): Allocate and free complex_variable_components
7652 and complex_ssa_name_components here.
7654 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
7656 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7657 revert to returning false.
7659 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7662 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7664 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7667 * config/i386/i386.md (cmpxf): Change operand constraints
7668 to "nonmemory_operand".
7670 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7672 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7674 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7677 * fold-const.c (fold_build1): Add checksum for the operands.
7678 (fold_build2): Likewise.
7679 (fold_build3): Likewise.
7681 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7684 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7686 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7688 * common.opt (-fforward-propagate): Committed by mistake,
7691 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7693 * reg-stack.c: Fix comment typo(s).
7694 * tree-ssa-operands.c: Likewise.
7695 * tree-vectorizer: Likewise.
7697 2005-07-21 Nick Clifton <nickc@redhat.com>
7699 * config/sh/symbian.c: Replace C++ style line comments with C
7700 style line comments.
7701 (symbian_add_attribute): Do not use a ? operator on the LHS of
7703 (sh_symbian_handle_dll_attribute): Change the type of the
7704 method vector to "VEC(tree,gc)*" and use vector accessor
7705 macros to walk over the elements.
7706 (symbian_export_vtable_and_rtti_p): Likewise.
7707 (symbian_class_needs_attribute_p): Likewise.
7709 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7712 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7713 initialize targetm.resolve_overloaded_builtin here.
7714 (altivec_expand_overloaded_builtin): Make it non-static.
7715 * config/rs6000/rs6000-protos.h
7716 (altivec_expand_overloaded_builtin): New prototype.
7717 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7718 targetm.resolve_overloaded_builtin here.
7719 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7721 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7722 Zdenek Dvorak <dvorakz@suse.cz>
7724 PR tree-optimization/19210
7725 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7727 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7728 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7729 rely on unproven assumptions.
7730 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7731 * tree-flow.h (number_of_iterations_exit): Add final parameter.
7732 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7733 to number_of_iterations_exit.
7734 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7735 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7736 * tree-ssa-loop-niter.c (find_loop_niter,
7737 estimate_numbers_of_iterations_loop): Likewise.
7738 (number_of_iterations_exit): Honor the new options.
7739 * doc/invoke.texi (Wunsafe-loop-optimizations,
7740 funsafe-loop-optimizations): Document them.
7742 2005-07-21 Richard Sandiford <richard@codesourcery.com>
7744 PR rtl-optimization/22167
7745 * gcse.c (hoist_code): Fix hoist_exprs[] check.
7747 2005-07-20 Adam Nemet <anemet@lnxw.com>
7749 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7750 __do_global_dtors_aux longcall.
7752 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
7754 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7755 (old_special_pred_table): Don't reference
7756 SPECIAL_MODE_PREDICATES.
7757 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7758 * config/arc/arc.h: Don't mention PREDICATE_CODES.
7759 * config/sh/predicates.h: Don't mention
7760 SPECIAL_MODE_PREDICATES.
7761 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7764 2005-07-20 DJ Delorie <dj@redhat.com>
7766 * config.gcc: Add m32c-elf support.
7768 * doc/contrib.texi: Mention m32c.
7769 * doc/extend.texi: Document m32c extensions.
7770 * doc/install.texi: Mention m32c.
7771 * doc/invoke.texi: Document m32c options.
7772 * doc/md.texi: Document m32c constraints.
7774 * config/m32c/addsub.md: New file.
7775 * config/m32c/bitops.md: New file.
7776 * config/m32c/cond.md: New file.
7777 * config/m32c/jump.md: New file.
7778 * config/m32c/m32c-lib1.S: New file.
7779 * config/m32c/m32c-lib2.c: New file.
7780 * config/m32c/m32c-modes.def: New file.
7781 * config/m32c/m32c-pragma.c: New file.
7782 * config/m32c/m32c-protos.h: New file.
7783 * config/m32c/m32c.abi: New file.
7784 * config/m32c/m32c.c: New file.
7785 * config/m32c/m32c.h: New file.
7786 * config/m32c/m32c.md: New file.
7787 * config/m32c/m32c.opt: New file.
7788 * config/m32c/minmax.md: New file.
7789 * config/m32c/mov.md: New file.
7790 * config/m32c/muldiv.md: New file.
7791 * config/m32c/predicates.md: New file.
7792 * config/m32c/prologue.md: New file.
7793 * config/m32c/shift.md: New file.
7794 * config/m32c/t-m32c: New file.
7796 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7798 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7799 (stack_protect_set, stack_protect_test): New expanders.
7800 (stack_protect_set_si, stack_protect_set_si_media,
7801 stack_protect_set_di_media, stack_protect_test_si,
7802 stack_protect_test_si_media, stack_protect_test_di_media):
7805 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
7807 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7809 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
7811 * tree.h (tree_expr_nonzero_p): Export.
7812 * fold-const.c (tree_expr_nonzero_p): Likewise.
7813 Return true for CALL_EXPRs that are alloca calls.
7814 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7816 * tree-flow.h (expr_computes_nonzero): Remove.
7817 * tree-vrp.c (expr_computes_nonzero): Remove.
7818 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7819 (extract_range_from_unary_expr): Likewise.
7820 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7821 tree_expr_nonzero_p.
7823 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
7825 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7826 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
7827 extra arg "picreg" and use it instead of pic_offset_table_rtx.
7828 All callers changed.
7829 (frame_related_constant_load): New arg "related" which controls
7830 setting of RTX_FRAME_RELATED_P. All callers changed.
7831 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7832 (bfin_expand_prologue): Add stack limit checking.
7833 * config/bfin/bfin.md (trapifcc): New pattern.
7835 * config/bfin/bfin.c: Include "langhooks.h".
7836 (def_builtin): Go through lang_hooks to call builtin_function.
7838 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7839 * config/bfin/predicates.md (symbol_ref_operand): New.
7840 (call_insn_operand): Delete. All callers changed to use
7841 register_no_elim_operand.
7842 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7844 (function_arg): Use it to generate the call's operand 2.
7845 (bfin_longcall_p): New function.
7846 (bfin_expand_call): Extra arg "cookie". All callers and declaration
7847 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
7848 determine if the address needs to be in a REG.
7849 (bfin_handle_longcall_attribute): New function.
7850 (bfin_attribute_table): Add "longcall" and "shortcall".
7851 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7852 (CUMULATIVE_ARGS): New member call_cookie.
7853 (PREDICATE_CODES): Add symbol_ref_operand.
7854 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7855 extra USE to the pattern.
7856 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7857 New patterns, split off call_insn, sibcall_insn, call_value_insn and
7858 sibcall_value_insn; now the new patterns handle direct calls and the
7859 old ones indirect calls.
7860 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7862 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
7864 * doc/trouble.texi: Update section on handling of empty loops.
7866 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
7868 * config.gcc: Remove support for sparc-*-openbsd*,
7869 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7871 * config.host: Remove support for i860-*-sysv4* as a host.
7872 * config/i860/*, config/ip2k/*, config/ns32k/*,
7873 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7874 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7875 mention obsolete ports.
7877 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7879 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7881 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7882 of frame_pointer_rtx.
7883 (sh_expand_epilogue): Likewise.
7884 (sh_set_return_address): Likewise.
7885 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7886 instead of FRAME_POINTER_REGNUM if needed. Add elimination
7887 offsets from FRAME_POINTER_REGNUM.
7888 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7889 (sh_register_names): Add initializer for sfp.
7890 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7891 (VALID_REGISTER_P): Likewise.
7892 (FIRST_PSEUDO_REGISTER): Update.
7893 (DWARF_FRAME_REGISTERS): Define.
7894 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7895 (HARD_FRAME_POINTER_REGNUM): Define.
7896 (FRAME_POINTER_REGNUM): Redefine.
7897 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7898 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
7899 from FRAME_POINTER_REGNUM.
7900 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7901 FRAME_POINTER_REGNUM.
7902 (REG_CLASS_CONTENTS): Add sfp.
7903 (REG_ALLOC_ORDER): Likewise.
7904 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
7905 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7906 of frame_pointer_rtx.
7907 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7909 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
7911 * fold-const.c (tree_expr_nonnegative_p): Only return true for
7912 ABS_EXPR when flag_wrapv is false because of INT_MIN.
7913 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7915 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7918 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
7920 Make CONSTRUCTOR use VEC to store initializers.
7921 * c-common.c (complete_array_type): Update to cope with VEC in
7923 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7924 (pp_c_constructor_elts): New function.
7925 * c-pretty-print.h (pp_c_constructor_elts): Declare.
7926 * c-typeck.c (build_function_call, build_c_cast, digest_init,
7927 struct constructor_stack, struct initializer_stack,
7928 constructor_elements, push_init_level, pop_init_level,
7929 add_pending_init, find_init_member, output_init_element): Update to
7930 cope with VEC in CONSTRUCTOR_ELTS.
7931 * coverage.c (build_fn_info_value, build_ctr_info_value,
7932 build_gcov_info): Likewise.
7933 * expr.c (categorize_ctor_elements_1, store_constructor,
7934 expand_expr_real_1): Likewise.
7935 * fold-const.c (fold_ternary): Likewise.
7936 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7937 gimplify_init_constructor, gimplify_expr): Likewise.
7938 * tree-dump.c (dequeue_and_dump): Likewise.
7939 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7941 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7943 * tree-sra.c (generate_element_init_1): Likewise.
7944 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7945 * tree-ssa-operands.c (get_expr_operands): Likewise.
7946 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7947 * tree-vect-transform.c (vect_get_vec_def_for_operand):
7948 (get_initial_def_for_reduction): Likewise.
7949 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7950 value handle in annotations.
7951 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7952 tree_node_structure): Add support for constr_kind.
7953 (build_vector_from_ctor, build_constructor_single,
7954 build_constructor_from_list): New functions.
7955 (build_constructor): Update to take a VEC instead of a TREE_LIST.
7956 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7957 Update to cope with VEC in CONSTRUCTOR_ELTS.
7958 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7959 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7960 CONSTRUCTOR_APPEND_ELT): New macros.
7961 (struct constructor_elt, struct tree_constructor): New data types.
7962 (union tree_node): Add tree_constructor field.
7963 * treestruct.def: Define TS_CONSTRUCTOR.
7964 * varasm.c (const_hash_1, compare_constant, copy_constant,
7965 compute_reloc_for_constant, output_addressed_constants,
7966 initializer_constant_valid_p, output_constant,
7967 array_size_for_constructor, output_constructor): Update to cope with
7968 VEC in CONSTRUCTOR_ELTS.
7969 * vec.h (VEC_empty, VEC_copy): New macros.
7971 2005-07-19 Devang Patel <dpatel@apple.com>
7973 * dbxout.c (dbxout_type): Check Objective-C++ lang.
7975 2005-07-19 Richard Henderson <rth@redhat.com>
7978 * gimplify.c (gimplify_expr): Use main variant type for the temp
7979 destination for a discarded volatile read.
7980 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7981 casts between non-void types that change volatility.
7983 2005-07-15 DJ Delorie <dj@redhat.com>
7985 * toplev.h: Add comment about the first parameter for warning().
7986 * errors.h: Likewise.
7988 * c.opt (Wpragmas): New.
7989 * doc/invoke.texi: Document it.
7991 * function.c (do_warn_unused_parameter): Add warning control to
7993 * c-decl.c (warn_if_shadowing): Likewise.
7994 * c-lex.c (cb_def_pragma): Likewise.
7995 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7996 (pop_alignment): Likewise.
7997 (handle_pragma_pack): Likewise.
7998 (apply_pragma_weak): Likewise.
7999 (handle_pragma_weak): Likewise.
8000 (handle_pragma_redefine_extname): Likewise.
8001 (add_to_renaming_pragma_list): Likewise.
8002 (handle_pragma_extern_prefix): Likewise.
8003 (maybe_apply_renaming_pragma): Likewise.
8004 (handle_pragma_visibility): Likewise.
8006 * config/c4x/c4x-c.c (BAD): Likewise.
8007 (c4x_parse_pragma): Likewise.
8008 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
8009 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
8010 (rs6000_pragma_longcall): Likewise.
8011 * config/v850/v850-c.c (pop_data_area): Likewise.
8012 (ghs_pragma_section): Likewise.
8013 (ghs_pragma_section): Likewise.
8014 (ghs_pragma_interrupt): Likewise.
8015 (ghs_pragma_starttda): Likewise.
8016 (ghs_pragma_startsda): Likewise.
8017 (ghs_pragma_startzda): Likewise.
8018 (ghs_pragma_endtda): Likewise.
8019 (ghs_pragma_endsda): Likewise.
8020 (ghs_pragma_endzda): Likewise.
8022 2005-07-19 Danny Berlin <dberlin@dberlin.org>
8023 Kenneth Zadeck <zadeck@naturalbridge.com>
8025 * Makefile.in: Removed tree-promote-statics.c
8026 * tree-promote-statics.c: Removed.
8027 * common.opt: Removed flag-promote-statics.
8029 * passes.c: Removed tree-promote-statics pass.
8030 * tree-pass.h: Ditto.
8031 * timevar.def: Removed TV_PROMOTE_STATICS.
8034 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
8036 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8038 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8040 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8043 * c-common.c (check_function_arguments): Call
8044 'check_function_format' if either -Wformat or
8045 -Wmissing-format-attribute are specified.
8046 * c-format.c (check_function_format): Check -Wformat before
8047 calling 'check_format_info'.
8048 * c-opts.c (c_common_post_options): Don't warn for
8049 -Wmissing-format-attribute without -Wformat.
8050 * c-typeck.c (convert_for_assignment): Detect additional cases for
8051 -Wmissing-format-attribute.
8052 * doc/invoke.texi (-Wmissing-format-attribute): Document new
8055 2005-07-19 Richard Guenther <rguenther@suse.de>
8057 * config/i386/i386.md (lrint<mode>2): Use temporary
8058 instead of clobbering non-existent memory.
8060 2005-07-19 Nick Clifton <nickc@redhat.com>
8062 * config/avr/avr.c (legitimate_address_p): Fix debugging print
8063 statement to avoid displaying ASCII control characters.
8065 2005-07-19 Ben Elliston <bje@au.ibm.com>
8067 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8068 * cfganal.c (find_edge_index): Ditto.
8069 * combine.c (combine_instructions): Ditto.
8070 * ddg.c (create_scc): Ditto.
8071 (find_successors): Ditto.
8072 (find_predecessors): Ditto.
8073 (find_nodes_on_paths): Ditto.
8074 (longest_simple_path): Ditto.
8075 * flow.c (update_life_info): Ditto.
8076 (count_or_remove_death_notes): Ditto.
8077 (clear_log_links): Ditto.
8078 * modulo-sched.c (generate_reg_moves): Ditto.
8079 (find_max_asap): Ditto.
8080 (find_max_hv_min_mob): Ditto.
8081 (find_max_dv_min_mob): Ditto.
8082 * sbitmap.c (sbitmap_first_set_bit): Ditto.
8083 * sched-rgn.c (extract_edgelst): Ditto.
8084 * tree-into-ssa.c (prepare_names_to_update): Ditto.
8085 (dump_update_ssa): Ditto.
8086 (ssa_names_to_replace) Ditto.
8087 (switch_virtuals_to_full_rewrite): Ditto.
8088 (update_ssa): Ditto.
8089 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8091 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
8093 Fix PR tree-optimization/22483
8095 * tree-complex.c (create_components): Use
8096 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8097 * tree-flow-inline.h (fill_referenced_var_vec): New function.
8098 * tree-flow.h (safe_referenced_var_iterator): New structure.
8099 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8100 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8101 safe_referenced_var iterator.
8102 (add_type_alias): Ditto.
8104 2005-07-19 Steven Bosscher <stevenb@suse.de>
8106 * loop-init.c (rest_of_handle_loop2): Remove.
8107 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8108 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8109 (pass_rtl_loop_init, pass_rtl_loop_done,
8110 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8111 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8112 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8113 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8114 pass_tree_loop_done, and pass_tree_unswitch.
8115 (gate_loop): Rename to gate_tree_loop.
8116 * passes.c (init_optimization_passes): Update for renamed tree
8117 loop passes. Add the new loop2 passes as subpasses of loop2.
8118 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8119 Update for the renamed tree loop passes.
8121 2005-07-18 Ian Lance Taylor <ian@airs.com>
8124 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8125 blocks when optimizing.
8127 2005-07-18 Steve Ellcey <sje@cup.hp.com>
8129 * common.opt (frename-registers): Initialize to 2.
8131 (fgcse-after-reload): Ditto.
8132 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8133 (process_options): Only change flag_web, flag_rename_registers,
8134 and flag_rerun_cse_after_loop if not explicitly set by user.
8136 2005-07-18 Jan Beulich <jbeulich@novell.com>
8138 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8139 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8140 in 64-bit mode the same as DImode in 32-bit mode.
8141 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8142 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8143 mode. Add new mode parameter.
8144 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8145 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8146 x86_64_shift_adj): New expanders.
8147 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8148 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8150 Respective new splitters. Use renamed shift splitter helpers in 32-bit
8151 DImode shift splitters.
8152 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8153 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8156 2005-07-18 Jan Beulich <jbeulich@novell.com>
8158 * i386.md (movdi_extzv_1): New.
8159 (zero_extendhidi2): Combine alternatives and never force use of
8161 (zero_extendqidi2): Likewise. Don't restrict input selection.
8163 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8165 Fix PR tree-optimization/22531
8166 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
8169 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8171 * tree-promote-statics.c (pass_promote_statics): Change dump file
8174 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8176 * tree-optimize.c (init_tree_optimization_passes): Add
8177 pass_eliminate_useless_stores pass.
8178 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8179 * tree-ssa-pre.c (is_copy_stmt): New function.
8180 (follow_copies_till_vuse): Ditto.
8181 (do_eustores): Ditto.
8182 (gate_eustores): Ditto.
8184 2005-07-16 Richard Henderson <rth@redhat.com>
8186 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8188 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8189 Kenneth Zadeck <zadeck@naturalbridge.com>
8191 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8192 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8193 ipa-type-escape.h, tree-promote-statics.c
8194 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8195 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8196 tree-promote-statics.c: new files.
8197 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8198 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8199 int nonlocal_set_p, mark_constant_function): Deleted.
8200 (rest_of_handle_cfg): Removed call to mark_constant_function.
8201 (nonoverlapping_component_refs_p): Added calls to support
8202 type based aliasing.
8203 * tree-ssa-alias.c (may_alias_p,
8204 compute_flow_insensitive_aliasing): Ditto.
8205 * calls.c (flags_from_decl_or_type): Removed reference to
8207 * c-typeck.c (convert_arguments): Make builtins tolerant of having
8208 too many arguments. This is necessary for Spec 2000.
8209 * cgraph.h (const_function, pure_function): Removed.
8210 * common.opt: Added "fipa-pure-const", "fipa-reference",
8211 "fipa-type-escape", and "ftree-promote-static".
8213 * passes.c: Added ipa and tree-promote-statics passes.
8214 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8215 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8216 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8217 * tree-flow.h: Added exposed sra calls and addition of
8218 reference_vars_info field for FUNCTION_DECLS.
8219 * tree-pass.h: Added passes.
8220 * tree-sra.c: (sra_init_cache): New function.
8221 (sra_insert_before, sra_insert_after) Made public.
8222 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8224 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8225 aliasing. (may_alias_p): Added code to use type escape analysis to
8227 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8228 code to prune clobbers of static variables based on information
8229 produced in ipa-reference pass. Changed call clobbering so that
8230 statics are not marked as clobbered if the call does not clobber
8233 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8235 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8238 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8240 * doc/install.texi (*-*-solaris2*): Document recommended version
8241 of GNU binutils and mention GNU linker problem on Solaris 10.
8243 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8246 * c-decl.c (c_build_bitfield_integer_type): New function.
8247 (finish_struct): Call it.
8248 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8250 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8252 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8255 2005-07-16 Jan Hubicka <jh@suse.cz>
8257 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8258 (scale_bbs_frequencies_int): Watch roundoff errors.
8259 * predict.c (return_prediction): Initialize return_stmt.
8261 2005-07-16 Jan Hubicka <jh@suse.cz>
8263 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8264 after RTL profiling.
8266 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8269 * fold-const.c (build_range_check): Convert high/low to etype
8270 if we are only comparing against exp.
8272 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8274 Fix PR tree-optimization/22376
8275 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8277 (need_to_solve): New function.
8278 (compute_points_to_sets): Use it.
8280 2005-07-15 Jan Hubicka <jh@suse.cz>
8282 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8283 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8285 2005-07-15 Richard Guenther <rguenther@suse.de>
8287 * c-common.c (handle_flatten_attribute): New function.
8288 Add flatten function attribute.
8289 * doc/extend.texi: Document flatten function attribute.
8290 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8291 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8293 (cgraph_decide_inlining): Handle functions with flatten
8296 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8298 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8299 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8300 UNSPEC_XCHG, UNSPEC_AND): New.
8301 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8302 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8303 * config/rs6000/sync.md (FETCHOP): New code macro.
8304 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8306 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8307 (sync_compare_and_swap<mode>): Same.
8308 (sync_lock_test_and_set<mode>): Same.
8309 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8310 for QImode and HImode, and not PPC405.
8311 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8312 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8313 (sync_<fetchop>{si,di}_internal): New.
8314 (sync_nand{si,di}_internal): New.
8315 (sync_old_<fetchop>{si,di}_internal): New.
8316 (sync_old_nand{si,di}_internal): New
8317 (sync_new_<fetchop>{si,di}_internal): New.
8318 (sync_new_nand{si,di}_internal): New.
8319 (atomic_and{si,di}): New.
8320 (sync_new_nand{si,di}_internal): New.
8321 (atomic_and{si,di}): New.
8322 (sync_add<mode>_internal): Delete.
8323 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8324 (sync_sub<mode>_internal): Delte.
8325 (sync_subshort_internal): New.
8326 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8327 (sync_anddi_internal): Delete.
8328 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8329 (sync_booldi_internal): Delete.
8330 (sync_boolc<mode>_internal): Delete.
8331 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8332 (sync_boolc<mode>_internal2): Delete.
8333 (sync_boolcc<mode>_internal): Delete.
8334 (isync, lwsync): Use unspec instead of unspec_volatile.
8335 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8336 Revert UNSPEC_VOLATILE.
8337 (rs6000_split_atomic_op): New.
8338 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8340 2005-07-14 Eric Christopher <echristo@redhat.com>
8342 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8343 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8345 2005-07-14 Eric Christopher <echristo@redhat.com>
8347 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8349 2005-07-14 Steven Bosscher <stevenb@suse.de>
8351 PR tree-optimization/22230
8352 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8353 the computation of the four cross productions for "range op range".
8355 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8356 Ulrich Weigand <uweigand@de.ibm.com>
8359 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8362 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8364 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8366 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8368 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8370 2005-07-14 Richard Guenther <rguenther@suse.de>
8373 * config/i386/i386-protos.h (ix86_function_value): Change
8374 prototype to match new target hook.
8375 * config/i386/i386.c (ix86_value_regno): Change prototype
8376 to take extra type argument.
8377 (TARGET_FUNCTION_VALUE): Define.
8378 (ix86_function_ok_for_sibcall): Pass extra argument to
8379 ix86_value_regno, check return slot rtx for exact match.
8380 (ix86_function_value): Take extra parameter. Dispatch to
8381 ix86_value_regno with fndecl/fntype as provided.
8382 (ix86_value_regno): Handle extra type argument.
8383 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8385 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8386 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8387 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8388 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8389 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8391 2005-07-14 Richard Guenther <rguenther@suse.de>
8393 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8394 * calls.c (expand_call): Pass fntype to hard_function_value.
8395 (emit_library_call_value_1): Likewise.
8396 * explow.c: Include target.h.
8397 (hard_function_value): Take extra argument, the fntype.
8398 Use new target hook for function_value.
8399 * expr.h (hard_function_value): Change prototype.
8400 * function.c (aggregate_value_p): Pass 0 as fntype to
8401 hard_function_value.
8402 (assign_parms): Use new target hook for function_value.
8403 Pass 0 as fntype to hard_function_value.
8404 (expand_function_end): Likewise.
8405 * reg-stack.c: Include target.h.
8406 (stack_result): Use new target hook for function_value.
8407 * target-def.h: New target hook function_value.
8408 * target.h: Likewise.
8409 * targhooks.c (default_function_value): New function.
8410 * targhooks.h (default_function_value): Declare.
8412 2005-07-13 Ian Lance Taylor <ian@airs.com>
8414 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8416 2005-07-14 Jan Hubicka <jh@suse.cz>
8418 * tree-dfa.c (dump_variable): Use default_def function.
8419 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8420 * tree-ssa.c (verify_use): Likewise.
8421 * tree-ssanames.c (release_ssa_name): Likewise.
8422 * tree-tailcall.c (eliminate_tail_call): Likewise.
8423 (tree_optimize_tail_calls_1): Likewise.
8424 * tree-vrp.c (get_value_range): Likewise.
8426 2005-07-14 Ben Elliston <bje@au.ibm.com>
8428 * gcc.c (main): Compare language[0] with '*' when iterating over
8431 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8433 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8434 "s390_emit_compare". Add handling of CCZ1mode.
8435 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8436 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8438 (s390_branch_condition_mask): Add CCZ1mode handling.
8439 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8440 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8441 Use CCZ1mode instead of CCZmode.
8442 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8444 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8446 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8448 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8450 2005-07-13 Eric Christopher <echristo@redhat.com>
8452 * config/mips/mips.c (mips_canonicalize_comparison): New.
8453 (mips_emit_int_relational): Use.
8455 2005-07-13 Eric Christopher <echristo@redhat.com>
8457 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8459 * config/s390/s390.md: Include tpf.md. Move tpf specific
8461 * config/s390/tpf.md: To here.
8462 * config/s390/s390.opt: Move tpf specific options...
8463 * config/s390/tpf.opt: to here. Add mmain option.
8464 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8465 * config/s390/tpf.h: Rewrite.
8467 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8469 * doc/tm.texi: Remove @xref{Cross-profiling}.
8471 2005-07-13 Jeff Law <law@redhat.com>
8473 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8474 expressions, test their _DECL operands for pointer equality rather
8475 than using operand_equal_p.
8477 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8479 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8480 (TARGET_POSIX_IO): This.
8481 * config/darwin.h: Likewise.
8482 * config/freebsd.h: Likewise.
8483 * config/linux.h: Likewise.
8484 * config/lynx.h: Likewise.
8485 * config/netbsd.h: Likewise.
8486 * config/rs6000/linux64.h: Likewise.
8487 * config/rs6000/linux.h: Likewise.
8488 * config/s390/tpf.h: Likewise.
8489 * config/sh/embed-elf.h: Likewise.
8490 * config/sparc/linux64.h: Likewise.
8491 * config/sparc/linux.h: Likewise.
8492 * config/svr4.h: Likewise.
8493 * gcov-io.h: Likewise.
8495 * doc/tm.texi: Updated.
8497 * libgcov.c (create_file_directory): Defined only if
8498 TARGET_POSIX_IO is defined.
8499 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8502 2005-07-13 Jan Hubicka <jh@suse.cz>
8504 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8506 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8508 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8509 structure as argument.
8511 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8513 PR tree-optimization/21921
8514 * tree-iterator.c (tsi_link_before): Support the case when
8515 tsi_end_p (tsi) == true.
8517 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8519 PR tree-optimization/22442
8520 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8523 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8525 PR rtl-optimization/20376
8526 * toplev.c (process_options): Enable -fweb and -frename-registers when
8528 * doc/invoke.texi: Update the information about when -fweb and
8529 -frename-registers are enabled.
8531 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8534 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8535 if *rhs_p is not a SSA_NAME.
8537 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
8539 Fix PR tree-optimization/22422
8540 * tree-ssa-structalias.c (struct variable_info): Add flag for
8542 (get_varinfo): Now a static function.
8543 (new_varinfo): init has_union and is_special_var to false.
8544 (solution_set_add): Check has_union.
8545 (do_da_constraint): Move temporary variable so it gets reset
8547 Also check for special variable.
8548 (do_ds_constraint): Ditto.
8549 (do_sd_constraint): Ditto.
8550 (do_structure_copy): Check for special variable.
8551 (find_func_aliases): Ditto.
8552 (init_base_vars): Set special vars properly.
8554 2005-07-13 Jan Hubicka <jh@suse.cz>
8556 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8559 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8560 (get_expr_operands): Fix thinko wrt flags and subvars.
8562 PR tree-optimize/22379
8563 * tree-inline.c (expand_call_inline): Do not output sorry in early
8566 2005-07-12 Dale Johannesen <dalej@apple.com>
8568 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
8570 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8573 * host-linux.h: Include limits.h.
8575 2005-07-12 Dale Johannesen <dalej@apple.com>
8577 * expr.c (compress_float_constant): Add cost check.
8578 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8580 2005-07-12 Dale Johannesen <dalej@apple.com>
8582 * gcc.target/i386/compress-float-sse.c: New.
8583 * gcc.target/i386/compress-float-sse-pic.c: New.
8584 * gcc.target/i386/compress-float-387.c: New.
8585 * gcc.target/i386/compress-float-387-pic.c: New.
8586 * gcc.dg/compress-float-ppc.c: New.
8587 * gcc.dg/compress-float-ppc-pic.c: New.
8589 2005-07-12 Eric Christopher <echristo@redhat.com>
8591 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8593 * config/s390/s390.md: Include tpf.md. Move tpf specific
8595 * config/s390/tpf.md: To here.
8596 * config/s390/s390.opt: Move tpf specific options...
8597 * config/s390/tpf.opt: to here. Add mmain option.
8598 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8599 * config/s390/tpf.h: Rewrite.
8601 2005-07-12 Eric Christopher <echristo@redhat.com>
8603 * gcc.c (struct infile): Update comment for language.
8604 (main): Rewrite input file resetting code.
8606 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8609 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8610 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8611 (lookup_avail_expr): Use constant_boolean_node instead
8612 of boolean_false_node/boolean_true_node.
8614 2005-07-12 Ben Elliston <bje@au.ibm.com>
8616 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8617 and use it when printing num_edges.
8619 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8621 * doc/extend.texi (Blackfin Built-in Functions): New section.
8622 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8625 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8627 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8628 s/cmpstrsi/cmpstrnsi
8629 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8631 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8632 (init_optabs): Initialize cmpstrn_optab.
8633 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8634 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8635 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8636 * config/i386/i386.md: s/cmpstr/cmpstrn
8637 * config/c4x/c4x.md: s/cmpstr/cmpstrn
8638 * doc/md.texi: Update documentation.
8640 2005-07-11 Richard Henderson <rth@redhat.com>
8642 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8643 build_va_arg_indirect_ref.
8644 (alpha_gimplify_va_arg): Likewise.
8645 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8646 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8647 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8648 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8649 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8650 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8652 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8654 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8656 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8657 * passes.c (init_optimization_passes): Add pass_empty_loop.
8658 * tree-pass.h (pass_empty_loop): Declare.
8659 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8660 try_remove_empty_loop, remove_empty_loops): New functions.
8661 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8662 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8664 2005-07-12 Peter Barada <peter@the-baradas.com>
8668 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8669 in address registers.
8670 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8671 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8672 alternative of addsi3_5200.
8674 2005-07-11 Ian Lance Taylor <ian@airs.com>
8676 * config/mips/mips.md (ffs<mode>2): Remove.
8678 2005-07-11 Ian Lance Taylor <ian@airs.com>
8680 * doc/tree-ssa.texi (Cleanups): Improve description of
8682 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8684 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8686 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8687 * tree.h (DECL_ARGUMENT_FLD): New macro.
8689 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8691 Fix PR tree-optimization/22404
8693 * tree-ssa-structalias.c (create_variable_info_for): Use
8696 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
8698 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8699 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8700 for second comparison operand.
8701 * config/bfin/predicates.md (reg_or_const_int_operand): New.
8703 * config/bfin/bfin.md (define_attr "type"): Add "sync".
8704 (define_insn_reservation "alu"): Likewise.
8705 (csync, ssync): Now of type sync.
8706 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8707 -mcsync-anomaly -mspecld-anomaly.
8708 * config/bfin/bfin.opt (mcsync): Remove.
8709 (mcsync-anomaly, mspecld-anomaly): Add.
8710 * config/bfin/bfin.c: Include "insn-codes.h".
8711 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8712 (TARGET_DEFAULT_TARGET_FLAGS): New.
8713 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8715 2005-07-11 Steven Bosscher <stevenb@suse.de>
8717 * basic-block.h: Give the BB flags enum a name, bb_flags.
8718 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8719 * cfgcleanup.c (enum bb_flags): Remove here.
8720 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8721 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8722 (update_forwarder_flag): Likewise.
8723 (thread_jump): Likewise.
8724 (try_forward_edges): Likewise.
8725 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
8726 forwarder flags. Don't clear bb->aux for all basic blocks. Only
8727 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8729 2005-07-11 Richard Guenther <rguenther@suse.de>
8731 * config/i386/i386.opt: New target option -msseregparm.
8732 * config/i386/i386.c (override_options): Error out for
8733 -msseregparm but no SSE support.
8734 (ix86_function_sseregparm): Check for global sseregparm.
8735 * doc/invoke.texi: Document -msseregparm.
8737 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8739 * config.gcc (m32r-*-linux*): Use the default extra_parts.
8740 (m32rle-*-linux*): Ditto.
8742 2005-07-11 Jakub Jelinek <jakub@redhat.com>
8744 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8745 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8748 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8752 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8753 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8755 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
8757 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8758 (varmap): Heapify varmap.
8759 (constraints): Heapify constraints.
8760 (struct constraint_graph): Heapify succs and preds.
8761 (constraint_vec_find): Update for heapification.
8762 (constraint_set_union): Ditto.
8763 (insert_into_complex): Ditto.
8764 (constraint_edge_vec_find): Ditto.
8765 (erase_graph_self_edge): Ditto.
8766 (add_graph_edge): Ditto.
8767 (get_graph_weights): Ditto.
8768 (merge_graph_nodes): Ditto.
8769 (build_constraint_graph): Ditto.
8770 (topo_visit): Ditto.
8771 (solve_graph): Ditto.
8772 (create_variable_info_for): Ditto.
8773 (init_base_vars): Ditto.
8774 (delete_points_to_sets): Free graph, varmap, and complex constraints.
8775 (condese_varmap_nodes): Free complex vector.
8776 (clear_edges_for_node): Clear succs and preds vector.
8778 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8780 * tree-ssa-structalias.c (update_alias_info): Change counting of
8781 references to not include vdefs.
8783 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8785 * tree-ssa-alias.c (free_used_part_map): Add missing free.
8788 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8790 * pa.c (pa_commutative_p): Make PLUS commutative when
8791 TARGET_NO_SPACE_REGS is true.
8793 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8795 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8796 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8797 * tree-dfa.c (dump_subvars_for): New.
8798 (debug_subvars_for): New.
8799 (dump_variable): Show subvariables if VAR has them.
8800 * tree-flow-inline.h (get_subvar_at): New.
8801 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8802 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8804 (struct subvar): Change fields offset and size to unsigned
8806 (dump_subvars_for): Declare.
8807 (debug_subvars_for): Declare.
8808 (get_subvar_at): Declare.
8809 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8810 to unsigned HOST_WIDE_INT *.
8811 (overlap_subvar): Likewise.
8812 * tree-gimple.c (is_gimple_reg): Always return false for
8813 SFTs and memory tags.
8814 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8816 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8817 (compute_may_aliases): Call compute_points_to_sets.
8818 (collect_points_to_info_for): Remove.
8819 (compute_points_to_and_addr_escape): Remove.
8820 (delete_alias_info): Call delete_points_to_sets.
8821 (compute_flow_sensitive_aliasing): If the call to
8822 find_what_p_points_to returns false, call set_pt_anything.
8823 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8824 (set_pt_anything): Clear pi->pt_vars.
8825 (set_pt_malloc): Remove.
8826 (merge_pointed_to_info): Remove.
8827 (add_pointed_to_expr): Remove.
8828 (add_pointed_to_var): Remove.
8829 (collect_points_to_info_r): Remove.
8830 (is_escape_site): Make extern.
8832 (create_overlap_variables_for): Call it.
8833 * tree-ssa-copy.c (merge_alias_info): Never merge
8834 flow-sensitive alias information.
8835 * tree-ssa-operands.c (get_expr_operands): Adjust variables
8836 offset and size to be unsigned HOST_WIDE_INT.
8837 (add_to_addressable_set): Rename from note_addressable.
8838 Set TREE_ADDRESSABLE as the variables are added to the set.
8840 (add_stmt_operand): Do not try to micro-optimize unmodifiable
8841 operands into VUSEs when adding V_MAY_DEFs for members in an
8843 * tree-ssa-operands.h (add_to_addressable_set): Declare.
8844 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8845 (struct variable_info): Add bitfield is_heap_var.
8846 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8847 (new_var_info): Initialize is_heap_var.
8848 (get_constraint_for): Add HEAP variables to the symbol table.
8849 Mark them with is_heap_var.
8850 (update_alias_info): New. Taken mostly from the old
8851 compute_points_to_and_addr_escape.
8852 (handle_ptr_arith): New.
8853 (find_func_aliases): Call update_alias_info.
8854 Call handle_ptr_info for tcc_binary expressions.
8855 Call mark_stmt_modified.
8856 (create_variable_info_for): If DECL has subvars, do not create
8857 variables for its subvars. Always add all the fields.
8858 (set_uids_in_ptset): If the solution includes ANYOFFSET and
8859 SFTs, then add all the SFTs of the structure.
8860 If VI->DECL is an aggregate with subvariables, add the SFT at
8862 (find_what_p_points_to): If VI is an artificial variable,
8863 translate to bitfields in SSA_NAME_PTR_INFO.
8864 If the solution is empty, set pi->pt_vars to NULL
8865 (init_base_vars): Create ANYOFFSET.
8866 (compute_points_to_sets): Rename from create_alias_vars.
8868 (pass_build_pta): Remove.
8869 (delete_points_to_sets): Rename from delete_alias_vars.
8870 (pass_del_pta): Remove.
8871 * tree-ssa-structalias.h (struct alias_info): Move from
8873 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8874 NUM_REFERENCES_SET): Likewise.
8875 (compute_points_to_sets, delete_points_to_sets): Declare.
8877 2005-07-09 Richard Henderson <rth@redhat.com>
8879 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8880 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8881 alpha_split_lock_test_and_set_12): New functions.
8882 * config/alpha/alpha-protos.h: Update.
8883 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8884 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8885 * config/alpha/sync.md (I12MODE): New.
8886 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8887 (sync_<fetchop_name><I48MODE>): Likewise.
8888 (sync_nand<I48MODE>): Likewise.
8889 (sync_old_<fetchop_name><I48MODE>): Likewise.
8890 (sync_new_<fetchop_name><I48MODE>): Likewise.
8891 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8892 (sync_compare_and_swap<I48MODE>): Likewise.
8893 (sync_lock_test_and_set<I48MODE>): Likewise.
8894 (sync_compare_and_swap<I12MODE>): New.
8895 (sync_compare_and_swap<I12MODE>_1): New.
8896 (sync_lock_test_and_set<I12MODE>): New.
8897 (sync_lock_test_and_set<I12MODE>_1): New.
8899 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8903 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8905 2005-07-09 Jakub Jelinek <jakub@redhat.com>
8907 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8908 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8910 2005-07-09 Richard SAndiford <richard@codesourcery.com>
8913 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8915 2005-07-08 David Edelsohn <edelsohn@gnu.org>
8917 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8918 memory_operand constraint.
8919 (store_conditional_<mode>): Same.
8920 (sync_compare_and_swap<mode>): Same.
8921 (sync_lock_test_and_set<mode>): Same.
8923 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
8925 Rewrite PIC support to more closely model actual instructions.
8926 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8927 (cris_symbol): Remove prototypes for removed functions.
8928 (cris_pic_symbol_type_of, cris_valid_pic_const)
8929 (cris_expand_pic_call_address): Prototypes for new functions.
8930 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8932 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8934 <case ':'>: Add case for new punctuation character.
8935 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8936 emitting (extra) PIC modifier.
8937 <case UNSPEC>: Do not assert for PLT.
8938 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8939 (cris_expand_prologue, cris_expand_epilogue): Check
8940 for pic_offset_table_rtx usage instead of taking
8941 current_function_uses_pic_offset_table as the final word.
8942 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8943 Remove flag_pic difference.
8944 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8945 the moral equivalents of...
8946 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8948 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8949 (cris_handle_option): Mark ARG as unused.
8950 (cris_expand_pic_call_address): New worker function for "call",
8952 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8953 output PIC constructs here.
8954 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8955 as symbol-specific modifers, not whole or part of operands.
8956 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8957 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8958 constants and flag_pic.
8959 (CONSTANT_INDEX_P): Adjust for new functions.
8960 (enum cris_pic_symbol_type): New helper type.
8961 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8962 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8963 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8965 ("movsi"): Emit actual instructions for GOT and relative access.
8966 ("*movsi_got_load"): New pattern to set up the register holding
8968 ("*movsi_internal"): Operand 1 is not a plain general_operand.
8969 Adjust FIXME for 'S'.
8970 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8971 Use "movs" for -fpic cases.
8972 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8973 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8974 ("call", "call_value"): Just call cris_expand_pic_call_address for
8976 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8977 Remove special pattern.
8978 ("*expanded_call_side", "*expanded_call_value_side"): New
8980 (gotplt-to-plt, gotplt-to-plt-side-call)
8981 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8983 * config/cris/cris/predicates.md
8984 ("cris_general_operand_or_gotless_symbol"): Remove unused
8986 ("cris_general_operand_or_symbol"): Adjust for new functions.
8988 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8990 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8992 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
8994 * Makefile.in (TREE_H): Add treestruct.def.
8995 (c-decl.o): Add pointer-set.h
8996 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8997 visibility on regular DECL's.
8998 (merge_decls): Fix the copying of decl nodes of various types for
8999 the new structures. Don't update RTL, section name, weak status,
9000 etc, on DECL's without RTL.
9001 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
9002 Don't check volatile on non-variable types.
9003 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
9004 to check whether we have seen arguments.
9005 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
9006 flag is checked before field (flag is common, field is not).
9007 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
9008 TS_DECL_COMMON could have an origin.
9009 (add_location_or_const_value_attribute): Don't check section name
9010 on non-var/function decls.
9011 (dwarf2out_var_location): Reverse order of tests.
9012 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
9013 with DECL_WRTL_CHECK.
9014 * expmed.c (make_tree): rtl is now in decl_with_rtl.
9015 * fold-const.c (fold_binary): Don't check weakness on
9016 non-var/function decls.
9017 (tree_expr_nonzero_p): Ditto.
9018 (fold_checksum_tree): Use tree_decl_extra as sizeof
9020 * ggc-page.c (extra_order_size_table): Add sizes for
9021 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
9023 * gimplify.c (gimplify_bind_expr): Only set
9024 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9025 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9027 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9028 * langhooks.h (init_ts). New langhook.
9029 * passes.c (rest_of_decl_compilation): Reverse order of tests.
9030 * print-tree.c (print_node): Update to only print fields that
9031 exist in the structures the passed decl has.
9032 * toplev.c (wrapup_global_declarations): Don't reset
9033 DECL_DEFER_OUTPUT on DECL's that don't contain it.
9034 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9035 * tree-inline.c (remap_decl): Ditto.
9036 * tree-outof-ssa.c (create_temp): Reverse order of tests.
9037 * tree-pretty-print.c (print_declaration): Don't print
9038 DECL_REGISTER on things that don't contain it.
9039 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9040 non-var/function decls.
9041 * tree.c (tree_contains_struct): New structure.
9042 (init_priority_for_decl): New hashtable.
9043 (tree_int_map): New structure.
9044 (tree_int_map_eq): New function.
9045 (tree_int_map_marked_p): Ditto.
9046 (tree_int_map_hash): Ditto.
9047 (tree_map): Move to tree.h.
9048 (tree_map_eq): Externalize.
9049 (tree_map_hash): Ditto.
9050 (tree_map_marked_p): Ditto.
9051 (init_ttree): Set up tree_contains_struct and call langhook.
9052 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9053 (tree_code_size): Update for new structures.
9054 (tree_node_structure): Update for new structures.
9055 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9057 (copy_node_stat): Copy init priority.
9058 (build_decl_stat): Ditto for visibility.
9059 (ts_enum_names): New.
9060 (tree_contains_struct_check_failed): New function.
9061 (decl_init_priority_lookup): Ditto.
9062 (decl_init_priority_insert): Ditto.
9063 * treestruct.def: New file.
9064 * tree.h (CODE_CONTAINS_STRUCT): New macro.
9065 (CONTAINS_STRUCT_CHECK): Ditto.
9066 (tree_contains_struct_check_failed): New prototype.
9067 (DECL_CHECK): Removed.
9068 (DECL_MINIMAL_CHECK): New.
9069 (DECL_COMMON_CHECK): Ditto.
9070 (DECL_WRTL_CHECK): Ditto.
9071 (DECL_NON_COMMON_CHECK): Ditto.
9072 (DECL_WITH_VIS_CHECK): Ditto.
9073 (VAR_OR_FUNCTION_DECL_P): Ditto
9074 (struct tree_decl_minimal): New structure.
9075 (struct tree_decl_common): Ditto.
9076 (struct tree_decl_with_rtl): Ditto.
9077 (struct tree_decl_with_vis): Ditto.
9078 (struct tree_decl_non_common): Ditto.
9079 (struct tree_field_decl): Ditto.
9080 (struct tree_parm_decl): Ditto.
9081 (struct tree_var_decl): Ditto.
9082 (struct tree_function_decl): Ditto.
9083 (struct tree_const_decl): Ditto.
9084 (struct tree_result_decl): Ditto.
9085 (union tree_node): Add new structures.
9086 * var-tracking.c (track_expr_p): Reverse order of tests.
9088 * doc/c-tree.texi: Add documentation on DECL node internal structure.
9090 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9092 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9093 * system.h: Poison FINALIZE_PIC.
9094 * doc/tm.texi (FINALIZE_PIC): Remove.
9096 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9099 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9100 to the correct type if we have a MODIFY_EXPR.
9102 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9104 PR tree-optimization/22360
9105 * tree.c (upper_bound_in_type): Fix calculations for casting
9106 to a non-wider signed type and casting a signed value to a
9107 wider unsigned type.
9108 (lower_bound_in_type): Fix calculations for casting to a
9109 non-wider signed type.
9111 PR tree-optimization/20139
9112 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9114 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9115 fold_cond_expr_cond.
9116 * tree-ssanames.c (release_defs): Assert in_ssa_p.
9117 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9119 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9122 * tree-complex.c (expand_complex_libcall): Produce
9123 REALPART_EXPR/IMAGPART_EXPR with the correct type.
9125 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
9127 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9128 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9129 b" assert and inserted fastpath code for this case.
9130 (bitmap_ior): Removed "a != b" assert.
9132 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9134 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9135 (ENDFILE_SPEC): Likewise.
9136 * config/m32r/m32r.h (ASM_SPEC): Likewise.
9138 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9139 a large stack frame at epilogue.
9141 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
9143 * final.c: Include sdbout.h when required.
9145 2005-07-07 Geoffrey Keating <geoffk@apple.com>
9147 * config.gcc (*-*-darwin*): Only one target-specific header file
9149 (powerpc-*-darwin*): Add version-specific header files.
9150 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9151 * config.in: Regenerate.
9152 * configure: Regenerate.
9153 * gcc.c: Include xregex.h.
9154 (version_compare_spec_function): New.
9155 (spec_function): Add version-compare.
9156 (replace_outfile_spec_function): Reformat comment.
9157 (compare_version_strings): New.
9158 * config/darwin-c.c (version_as_macro): New.
9159 (builtin_define): New.
9160 (darwin_cpp_builtins): New.
9161 * config/darwin-protos.h (darwin_cpp_builtins): New.
9162 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9163 (LIB_SPEC): Make unconditional, update comment.
9164 (TARGET_C99_FUNCTIONS): Define.
9165 * config/darwin.opt: Sort.
9166 (mmacosx-version-min=): New.
9167 * config/darwin7.h: Delete.
9168 * config/darwin8.h: Delete.
9169 * config/i386/darwin.h (): Call darwin_cpp_builtins.
9170 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9171 (TARGET_C99_FUNCTIONS): Define.
9172 * config/rs6000/darwin7.h: New.
9173 * config/rs6000/darwin8.h: New.
9174 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9175 (-mmacosx-version-min): Document.
9177 2005-07-07 Ian Lance Taylor <ian@airs.com>
9179 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9181 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
9184 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9186 2005-07-07 Khem Raj <kraj@mvista.com>
9188 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9189 in bytes, not words.
9191 2005-07-07 Paul Brook <paul@codesourcery.com>
9193 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9194 DEFAULT_FUNCTION_ARG_PADDING to upward.
9196 2005-07-07 Richard Henderson <rth@redhat.com>
9198 * function.c (locate_and_pad_parm): Record parameter alignment in
9199 stack_alignment_needed.
9201 2005-07-07 David Edelsohn <edelsohn@gnu.org>
9203 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9204 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9205 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9206 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9207 (define_attr "type"): Add isync, sync, load_l, store_c.
9208 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9209 Create scratch volatile MEM.
9210 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
9212 (load_locked_<mode>): New.
9213 (store_conditional_<mode>): New.
9214 (sync_compare_and_swap<mode>): Replace with splitter.
9215 (sync_lock_test_and_set<mode>): Replace with splitter.
9216 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9218 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
9219 is ics. Attribute isync.
9220 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
9222 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9223 and UNSPECV_SYNC_OP.
9224 (emit_unlikely_jump): New.
9225 (emit_load_locked): New.
9226 (emit_store_conditional): New.
9227 (rs6000_split_compare_and_swap): New.
9228 (rs6000_split_lock_test_and_set): New.
9229 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9230 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9231 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9232 rs6000_split_lock_test_and_set): Declare.
9233 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9234 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9235 store_c, isync, sync.
9237 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9239 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9240 filenames to gtyp-gen.h.
9241 (s-typ-gen): Use it in place of for loops.
9243 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9245 * hooks.c (hook_bool_rtx_int_false): New function.
9246 * hooks.h (hook_bool_rtx_int_false): Declare.
9247 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9248 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9249 * target.h (struct gcc_target): Add commutative_p member.
9250 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9251 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9252 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9253 (pa_commutative_p): New function.
9254 * jump.c (target.h): Include.
9255 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9256 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9258 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9260 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9261 (s390_expand_setmem): New.
9262 * config/s390/s390.c: Likewise.
9263 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9265 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9266 general_operand. Call new function "s390_expand_setmem".
9267 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9268 ("setmem_long", "*setmem_long"): ... this.
9270 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9272 * config/s390/s390.c: (optimization_options): Enable
9273 TARGET_MVCLE at -Os.
9274 * doc/invoke.texi: Document changes in default behaviour.
9275 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9277 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9279 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9280 defined by back-end.
9282 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9284 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9285 all sets in the pattern.
9286 * config/rs6000/rs6000.md (stack_protect_testsi,
9287 stack_protect_testdi): Likewise.
9289 2005-07-06 Jeff Law <law@redhat.com>
9291 * tree-vrp.c (simplify_using_ranges): Kill.
9292 (vrp_finalize): Remove call to simplify_using_ranges.
9293 (simplify_stmt_using_ranges): New function extracted from
9294 simplify_using_ranges.
9295 (simplify_div_or_mod_using_ranges): Likewise.
9296 (simplify_abs_using_ranges): Likewise.
9297 (simplify_cond_using_ranges): New function.
9298 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9299 * tree-ssa-propagate.c (substitute_and_fold): Call
9300 simplify_stmt_using_ranges if we have range information.
9302 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9304 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9305 ia64_flag_schedule_isns2.
9307 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9308 reading/writing general registers.
9309 (ia64_function_arg): Revert 2005-06-18 change.
9311 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9313 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9314 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9316 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9318 * function.c (expand_function_end): Revert part of 2005-06-27
9319 patch. Do sjlj_emit_function_exit_after after return_label.
9321 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9323 * doc/install.texi (--disable-libssp): New.
9325 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9327 * doc/invoke.texi: Update -fforce-mem documentation.
9328 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9329 code for -fforce-mem.
9330 * expmed.c: (store_bit_field,store_fixed_bit_field,
9331 extract_bit_field): Ditto.
9332 * expr.c: (convert_move): Ditto.
9333 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9334 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9335 emit_conditional_add,expand_float,expand_fix): Ditto.
9336 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9337 (common_handle_option): Issue warning when -fforce-mem specified.
9339 2005-07-06 Paul Brook <paul@codesourcery.com>
9341 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9343 * configure: Regenerate.
9345 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9347 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9349 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9351 Fix PR tree-optimization/22319
9352 Fix PR tree-optimization/22140
9353 Fix PR tree-optimization/22310
9355 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9356 variable sized types.
9357 Use correct type for intermediate structure on *a = *b structure
9360 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9362 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9364 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9365 (machine_function): Move typedef to...
9366 * config/rs6000/rs6000.c (machine_function): ... here. Add
9367 varargs_save_offset field.
9368 (rs6000_stack_t): Remove varargs_size field.
9369 (setup_incoming_varargs): Allocate varargs save area using
9370 assign_stack_local, try to make it as small as possible.
9371 Save offset from virtual_stack_vars_rtx to the save area
9372 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9373 instead of magic 8 when fp word byte size is used.
9374 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9375 instead of -RS6000_VARARGS_SIZE.
9376 (rs6000_stack_info, debug_stack_info,
9377 rs6000_initial_elimination_offset): Remove all traces of
9379 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9380 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9381 RS6000_VARARGS_AREA.
9383 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9385 PR tree-optimization/21963
9386 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9387 constant_multiple_of in the same way get_computation_cost_at does.
9389 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9391 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9392 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9393 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9394 and return its previous value.
9395 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9396 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9398 (stack_protect_set, stack_protect_test): New expanders.
9399 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9400 stack_protect_testdi): New insns.
9401 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9402 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9404 2005-07-06 Jeff Law <law@redhat.com>
9406 * tree-ssa-dce.c (cfg_altered): New global.
9407 (tree_dce_init): Initialize cfg_altered.
9408 (remove_dead_stmt): If we remove an edge in the CFG, then set
9410 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9413 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9415 * Makefile.in (stamp-collect-ld): Use
9416 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9417 ./collect-ld if it already exists.
9418 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9419 Don't remove ./nm if it already exists.
9421 2005-07-05 Devang Patel <dpatel@apple.com>
9423 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9424 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9425 * tree-vectorizer.c (vect_loop_location): New.
9426 (vect_print_dump_info): Use vect_loop_location.
9427 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9428 (vectorize_loops): Set vect_loop_location.
9429 * tree-vect-analyze.c (vect_analyze_offset_expr,
9430 vect_determin_vectorization_factor, vect_analyze_operations,
9431 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9432 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9433 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9434 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9435 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9436 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9437 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9438 vect_analyze_loop): Adjust vect_print_dump_info API.
9439 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9440 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9441 vect_finish_stmt_generation, vectorizable_assignment,
9442 vectorizable_operation, vectorizable_store, vectorizable_load,
9443 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9444 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9445 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9446 vect_transform_loop): Same.
9447 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9448 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9451 2005-07-05 Randolph Chung <tausq@debian.org>
9453 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9454 * configure: Regenerate.
9455 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9456 (pa_tls_referenced_p): Declare.
9457 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9458 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9459 (legitimize_tls_address): New.
9460 (hppa_legitimize_address): Handle TLS addresses.
9461 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9462 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9463 (emit_move_sequence): Handle TLS addresses.
9464 (pa_encode_section_info): Call default handler to handle common
9466 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9467 (CONSTANT_ADDRESS_P): Reject TLS operands.
9468 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9469 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9470 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9471 (UNSPEC_TLSLE): Define new constants.
9472 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9473 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9474 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9475 (tie_symbolic_operand, tle_symbolic_operand): New
9477 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9479 * aclocal.m4: Update macros for autoconf 2.59 style.
9480 * configure.ac: Likewise.
9482 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9484 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9485 (function_arg): Pass small aggregates in general registers on 32-bit
9487 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9489 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9491 * Makefile.in (final.o): Fix dependencies.
9493 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9497 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9498 * langhooks.c (lhd_expr_to_decl): New.
9499 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9501 (LANG_HOOKS_INITIALIZER): Update.
9502 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9503 expr_to_decl langhook.
9504 * c-tree.h (c_expr_to_decl): Declare.
9505 * c-typeck.c (c_expr_to_decl): New.
9506 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9508 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9510 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9513 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9514 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9516 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9518 * Makefile.in: Adjust dependencies.
9519 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9520 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9521 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9522 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9523 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9524 rest_of_compilation.
9526 * bb-reorder.c (gate_duplicate_computed_gotos,
9527 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9528 rest_of_handle_reorder_blocks, pass_reorder_blocks,
9529 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9530 pass_partition_blocks): New.
9531 * bt-load.c (gate_handle_branch_target_load_optimize,
9532 rest_of_handle_branch_target_load_optimize,
9533 pass_branch_target_load_optimize): New.
9534 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9536 * cfglayout.c (pass_insn_locators_initialize): New.
9537 * cfgrtl.c (pass_free_cfg): New.
9538 * combine.c (gate_handle_combine, rest_of_handle_combine,
9540 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9541 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9542 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9543 * except.c (pass_set_nothrow_function_flags,
9544 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9546 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9547 rest_of_handle_shorten_branches, pass_shorten_branches,
9548 rest_of_clean_state, pass_clean_state): New.
9549 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9550 rest_of_handle_remove_death_notes, pass_remove_death_notes,
9551 rest_of_handle_life, pass_life, rest_of_handle_flow2,
9553 * function.c (pass_instantiate_virtual_regs, pass_init_function,
9554 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9555 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9556 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9558 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9559 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9560 pass_rtl_ifcvt, gate_handle_if_after_combine,
9561 rest_of_handle_if_after_combine, pass_if_after_combine,
9562 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9563 pass_if_after_reload): New.
9564 * integrate.c (pass_initial_value_sets): New.
9565 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9566 pass_purge_lineno_notes): New.
9567 * mode-switching.c (rest_of_handle_mode_switching,
9568 pass_mode_switching): New.
9569 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9570 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9572 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9573 pass_loop_optimize): New.
9574 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9576 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9578 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9579 pass_postreload_cse): New.
9580 * profile.c (gate_handle_profiling, pass_profiling,
9581 rest_of_handle_branch_prob, pass_branch_prob): New.
9582 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9583 pass_split_before_regstack, gate_handle_split_before_regstack,
9584 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9585 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9586 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9587 pass_stack_regs): New.
9588 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9589 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9590 pass_stack_adjustments): New.
9591 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9592 pass_regrename): New.
9593 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9594 pass_delay_slots, gate_handle_machine_reorg,
9595 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9596 * rtl.h (extern void purge_line_number_notes): New.
9597 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9598 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9600 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9602 * value-prof.c (gate_handle_value_profile_transformations,
9603 rest_of_handle_value_profile_transformations,
9604 pass_value_profile_transformations): New.
9605 * var-tracking.c (gate_handle_var_tracking,
9606 pass_variable_tracking): New.
9607 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9609 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9610 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9611 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9612 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9613 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9614 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9615 rest_of_handle_gcse2, rest_of_handle_regmove,
9616 rest_of_handle_tracer, rest_of_handle_if_conversion,
9617 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9618 rest_of_handle_web, rest_of_handle_branch_prob,
9619 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9620 rest_of_handle_jump_bypass, rest_of_handle_combine,
9621 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9622 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9623 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9624 rest_of_handle_mode_switching, rest_of_handle_jump,
9625 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9626 rest_of_handle_flow2, rest_of_handle_jump2,
9627 rest_of_handle_peephole2, rest_of_handle_postreload,
9628 rest_of_handle_shorten_branches, rest_of_clean_state,
9629 rest_of_compilation): Remove.
9631 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9632 * passes.c (dump_flags, in_gimple_form, all_passes,
9633 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9634 register_dump_files, next_pass_1, last_verified, execute_todo,
9635 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9636 from tree-optimize.c.
9637 (init_optimization_passes): Moved from tree-optimize.c,
9638 adding the RTL optimizations.
9639 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9640 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9641 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9642 register_dump_files, next_pass_1, last_verified, execute_todo,
9643 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9644 init_tree_optimization_passes, ipa_passes): Delete.
9645 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9647 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9648 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9650 (ipa_passes): Remove.
9651 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9652 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9653 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9654 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9655 (dump_info_p, dump_flag): Moved to tree-dump.h.
9657 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9659 * passes.c (finish_optimization_passes): Use dump_begin
9660 and dump_end, TDI_end.
9661 (gate_rest_of_compilation): New.
9662 (pass_rest_of_compilation): Use it.
9663 (gate_postreload, pass_postreload): New.
9664 * toplev.c (general_init): Rename init_tree_optimization_passes.
9665 * toplev.h (init_tree_optimization_passes): Rename to
9666 init_optimizations_passes.
9667 * tree-dump.c (dump_flag): Make static.
9668 (dump_files): Remove RTL dumps.
9669 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9670 pass_cleanup_cfg, pass_free_cfg_annotations,
9671 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9672 pass_init_datastructures, pass_fixup_cfg): Make non-static.
9673 * tree-pretty-print.c: Include tree-pass.h.
9674 * cgraph.c: Include tree-dump.h.
9676 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9678 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9679 Only fall back to saying it points to readonly memory if
9682 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9684 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9685 * config/m32r/m32r.c (m32r_compute_frame_size,
9686 m32r_expand_prologue): Take current_function_profile into
9687 account whenever we reference
9688 current_function_uses_pic_offset_table.
9689 (m32r_finalize_pic): Remove.
9690 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9692 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
9694 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9695 instead of $<. Don't remove ./as if it already exists.
9697 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9700 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9701 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9702 for complex modes when generating code for PA 1.0.
9703 (VALID_FP_MODE_P): New macro.
9704 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9705 sets for all general and floating point modes. Align wide floating
9706 point modes to even register boundaries to comply with architectural
9708 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9709 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9710 (VALID_FP_MODE_P): New macro.
9711 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9712 sets for all general and floating point modes. Align wide floating
9713 point modes to even register boundaries to comply with architectural
9716 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9718 * tree-dump.c (dump_files): Initialize dump number for .cgraph
9721 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9723 * tree-ssa-structalias.c: Don't include expr.h.
9725 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9727 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9730 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9732 Fix PR tree-optimization/22279
9734 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9737 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
9739 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9741 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9743 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9744 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9745 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9746 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9747 config/stormy16/stormy16.c, config/v850/v850.c,
9748 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9749 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9750 Avoid "." or "\n" at end of diagnostics and capital letters at
9751 start of diagnostics.
9752 * combine.c, cse.c: Don't translate dump file output.
9753 * toplev.c (print_version): Only translate output if going to
9756 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9758 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9759 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9762 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9764 * pa.c (fix_range): Fix typo in comment.
9766 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9768 * tree-vrp.c (extract_range_from_assert): Replace
9769 fold (build (...)) with fold_build2.
9771 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9773 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9774 gcc_gfc_char_table, init_dynamic_gfc_info): New.
9775 (format_types_orig, handle_format_attribute): Add support for
9778 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
9780 * varasm.c (assemble_variable): Fix format specifier thinko.
9782 2005-07-03 Ira Rosen <irar@il.ibm.com>
9784 PR tree-optimization/22029 (and 22135)
9785 * tree-pretty-print.c (dump_generic_node): Check that the node is not
9786 a phi node before calling dump_vops.
9788 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9790 * tree-dump.h (dump_string_field): Declare.
9791 * tree-dump.c: Use it instead of dump_string.
9792 (dump_string_field): Make non-static.
9794 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
9796 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9797 up the minimal CFG stuff always when optimize > 0. Call
9798 split_all_insns_noflow in PIC case if needed.
9800 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9801 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9804 * c-decl.c (c_write_global_declarations): Dump contents of
9806 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9807 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9808 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9809 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9812 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9814 * c-common.h (GCC_DIAG_STYLE): Define.
9815 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
9816 version for format checking to 4.1.
9817 * c-format.c: Include toplev.h after c-common.h.
9818 (enum format_type): Add gcc_tdiag_format_type.
9819 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9820 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9821 (format_types_orig): Add gcc_tdiag.
9822 (init_dynamic_diag_info): Support gcc_tdiag formats.
9823 (handle_format_attribute): Likewise.
9824 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9825 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
9826 version for format checking to 4.1.
9827 (warning0, warning, error, pedwarn, sorry): Use
9829 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9830 (finish_aliases_1): Do not use %qE.
9831 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9832 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9833 Correct format bugs.
9834 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9835 parameter to unsigned HOST_WIDE_INT.
9836 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9838 2005-07-02 David Edelsohn <edelsohn@gnu.org>
9841 * expr.c (write_complex_part): Use adjust_address for MEM.
9842 (read_complex_part): Same.
9844 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
9846 Fix PR tree-optimization/22280
9848 * tree-sra.c (generate_element_init): Remove useless loop.
9850 2005-07-02 Richard Henderson <rth@redhat.com>
9852 * config/alpha/alpha.c (alpha_legitimize_address): Check for
9854 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9856 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
9859 * fold-const.c (fold_binary): Handle the return value of
9860 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9861 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9863 2005-07-02 Jeff Law <law@redhat.com>
9865 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9866 a eliminate type conversion which feeds an equality comparison
9867 if the original type or either operand in the comparison is a
9870 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
9872 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9873 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9875 * config/avr/avr.c: Do not use '`' as left quote.
9876 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9877 Remove "." from end of diagnostics. Make diagnostics start with
9880 2005-07-02 Zack Weinberg <zack@codesourcery.com>
9881 Joseph S. Myers <joseph@codesourcery.com>
9883 * toplev.c (default_tree_printer): Handle setting location with
9885 * c-objc.common.c (c_tree_printer): Likewise.
9886 * c-format.c (gcc_diag_flag_specs): Add '+'.
9887 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9888 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9890 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9891 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9892 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9893 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9894 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9895 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
9896 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
9897 format arguments where %J is used without %D.
9899 2005-07-02 Jakub Jelinek <jakub@redhat.com>
9901 * gcc.c (LINK_SSP_SPEC): Define.
9902 (link_ssp_spec): New variable.
9903 (LINK_COMMAND_SPEC): Add %(link_ssp).
9904 (static_specs): Add link_ssp_spec.
9905 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9906 * configure: Rebuilt.
9907 * config.in: Rebuilt.
9909 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9910 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9911 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9912 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9913 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9914 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9915 -0x7008(2) instead of reading __stack_chk_guard variable.
9916 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9918 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9919 (stack_protect_set, stack_protect_test): Use *_tls* patterns
9920 if TARGET_THREAD_SSP_OFFSET is defined.
9921 (stack_tls_protect_set_si, stack_tls_protect_set_di,
9922 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9925 2005-06-27 Richard Henderson <rth@redhat.com>
9926 * libgcc-std.ver (GCC_4.1.0): New.
9927 * libgcc.h (__stack_chk_guard): Declare.
9928 (__stack_chk_fail, __stack_chk_fail_local): Declare.
9929 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9930 * mklibgcc.in (lib2funcs): Add them.
9932 2005-07-01 Richard Henderson <rth@redhat.com>
9934 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9935 void * before struct sigcontext *.
9936 (x86_fallback_frame_state): Likewise.
9938 2005-07-01 James E. Wilson <wilson@specifixinc.com>
9940 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9942 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9945 * tree-ssa-reassoc.c (should_transpose): Fix which operand
9946 we check for SSA_NAME for.
9948 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
9950 Fix PR tree-optimization/22071
9952 * tree-ssa-structalias.c (offset_overlaps_with_access): New
9954 (get_constraint_for_component_ref): Use it.
9956 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9959 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9960 print out the last new line.
9962 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
9964 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9965 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9966 * config/cris/cris.c (cris_conditional_register_usage): Adjust
9967 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9968 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9969 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9970 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9971 (enum reg_class): New member CC0_REGS.
9972 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9973 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9974 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9975 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9976 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9977 Adjust for register now described.
9979 2005-07-01 Jakub Jelinek <jakub@redhat.com>
9982 * config/i386/i386.md (stack_protect_test_si,
9983 stack_protect_test_di): Add earlyclobber for scratch 3.
9984 * config/rs6000/rs6000.md (stack_protect_testsi,
9985 stack_protect_testdi): Add earlyclobber for scratch 3,
9986 remove earlyclobber from scratch 4.
9988 Older entries for 2005 can be found in ChangeLog-2005.