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