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