1 2005-11-28 Alan Modra <amodra@bigpond.net.au>
4 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
6 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
7 indexed_or_indirect_address.
8 (indexed_or_indirect_address): Don't test for base reg. Call
9 address_operand last. Make it a special predicate.
11 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
13 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
15 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
18 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
20 (negate_expr): Likewise.
22 2005-11-27 Andreas Schwab <schwab@suse.de>
24 * config/m68k/m68k.c: Reindent and fix whitespace, remove
27 2005-11-27 Steven Bosscher <stevenb@suse.de>
29 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
30 has EH predecessor edges.
32 2005-11-26 Eric Christopher <echristo@apple.com>
34 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
35 register stalls by zero extending to the full register.
37 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
39 * config/floatunsisf.c, config/floatunsidf.c,
40 config/floatunsixf.c, config/floatunsitf.c: New files.
41 * config/ia64/t-hpux: Add floatunsitf.c.
42 * config/ia64/ia64.c (ia64_init_libfuncs): Use
43 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
45 2005-11-26 Richard Henderson <rth@redhat.com>
47 * c-lex.c (pragma_lex): Rename from c_lex.
48 * c-pch.c: Update for pragma_lex rename.
49 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
50 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
51 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
52 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
53 * doc/tm.texi: Likewise.
55 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
58 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
59 when overflow is undefined.
61 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
63 * doc/md.texi (Insn Canonicalizations): Refer to the
64 function commutative_operand_precedence for further rules.
66 2005-11-25 Roger Sayle <roger@eyesopen.com>
69 * expmed.c (choose_mult_variant): Return immediately when mult_cost
70 is less than zero. Limit mult_cost to a reasonable upper bound for
71 the synthetic multiplication sequence.
73 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
76 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
77 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
78 Lookup the explicit replacement functions for any unlocked
79 stdio builtin transformations.
81 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
83 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
85 * targhooks.c (default_secondary_reload): Don't require operand 2
86 for an input reload to be earlyclobber.
88 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
90 * fold-const.c (negate_mathfn_p): Fix comment and add support
91 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
94 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
97 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
98 _Q_ulltoq for unsigned conversions from SImode and DImode to
101 2005-11-25 Alan Modra <amodra@bigpond.net.au>
103 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
104 (__floatundidf, __floatundisf): Likewise.
106 2005-11-25 David Edelsohn <edelsohn@gnu.org>
108 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
109 (rs6000_override_options): Remove initialization of
111 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
112 (rs6000_emit_stack_tie): Same.
113 (emit_frame_save): Same.
114 (gen_frame_mem_offset): Same.
115 (rs6000_emit_prologue): Same.
116 (rs6000_emit_epilogue): Same.
118 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
121 * fold-const.c (fold_build): Convert bool_var != 1 and
122 bool_var == 0 to !bool_var.
124 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
127 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
128 for C being INTEGER_CST. Likewise for !=.
130 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
133 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
134 unsigned conversions from SImode to TFmode.
136 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
138 * expr.c (expand_expr_real_1): Fix error in last change.
140 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
142 * caller-save.c: (this_insn_sets): Move into:
143 (save_call_clobbered_regs).
144 (mark_set_regs): Get this_insn_sets from data.
146 (save_call_clobbered_regs): Take sets of the return value by
147 sibcalls into account.
149 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
152 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
153 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
154 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
155 (memory_move_secondary_cost, init_reg_autoinc): Remove
156 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
157 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
158 secondary_reload_class call.
159 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
161 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
162 (push_secondary_reload): Use secondary_reload target hook.
163 (secondary_reload_class, scratch_reload_class): New functions.
164 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
165 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
166 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
167 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
168 (secondary_reload_class, scratch_reload_class): Declare.
169 * reload1.c: Include target.h.
170 (reload_adjust_reg_for_temp): New function.
171 (reload_adjust_reg_for_icode): Likewise.
172 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
173 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
175 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
176 for inheritance. Support case when both secondary & tertiary reloads
177 are for intermediate registers.
178 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
179 with secondary_reload_class call. Support case when both secondary
180 & tertiary reloads are for intermediate registers.
181 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
182 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
183 * target.h (secondary_reload_info): New struct / typedef.
184 (struct gcc_target): New member secondary_reload.
185 * targhooks.c Include reload.h, optabs.h and recog.h.
186 (default_secondary_reload): New function.
187 * targhooks.h (default_secondary_reload): Declare.
188 * doc/tm.texi: Document secondary_reload target hook. Update
189 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
190 * doc/md.texi: Likewise.
192 * sh-protos.h (sh_secondary_reload): Declare.
193 * sh.c (TARGET_SECONDARY_RELOAD): Override.
194 (sh_secondary_reload): New function.
195 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
196 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
197 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
198 (HAVE_SECONDARY_RELOADS): Define.
199 * sh.md (reload_indf): Rename to:
201 (reload_outdf): Rename to:
202 (reload_outdf__RnFRm).
203 (reload_insf): Rename to:
205 (reload_insi): Rename to:
206 (reload_insi__i_fpul).
208 2005-11-24 Uros Bizjak <uros@kss-loka.si>
210 * configure.ac: Require at least texinfo 4.4.
211 * configure: Regenerate.
213 * doc/install.texi (Tools/packages necessary for building GCC):
214 Update required version of texinfo to at least 4.4.
215 (Installing GCC: Building): Update required version of texinfo
217 (Installing GCC: Final installation): Update required version
218 of texi2dvi to at least 4.4.
219 (Host/target specific installation notes for GCC): Update required
220 version of texinfo to at least 4.4.
222 2005-11-24 Richard Guenther <rguenther@suse.de>
223 Dirk Mueller <dmueller@suse.de>
226 * c-common.h (strict_aliasing_warning): Declare.
227 * c-common.c (strict_aliasing_warning): New function,
229 * c-typeck.c (build_c_cast): ... here.
231 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
233 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
235 (swap_commutative_operands_with_target): New.
237 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
239 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
240 also when doing PRE, rather than only for global CPROP.
242 2005-11-24 Ben Elliston <bje@au.ibm.com>
244 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
245 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
247 (expand_twoval_unop): Likewise.
248 (widen_clz): Likewise.
249 (expand_parity): Likewise.
250 (expand_unop): Likewise.
251 (emit_cmp_and_jmp_insn_1): Likewise.
252 (prepare_float_lib_cmp): Likewise.
254 2005-11-24 Ben Elliston <bje@au.ibm.com>
256 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
257 Remove unused `class' variable.
259 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
262 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
263 C/C++ diagnostic function warn_array_subscript_with_type_char.
264 * c-common.h (warn_array_subscript_with_type_char): Declare.
265 * c-common.c (warn_array_subscript_with_type_char): Define.
267 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
270 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
271 compiling at the intersection of C and C++.
273 2005-11-23 Mark Mitchell <mark@codesourcery.com>
275 * doc/invoke.texi: For man pages, include gcc-vers.texi.
276 List @file in the option summary. Include the libiberty
277 documentation for @file.
278 * gcc.c (main): Call expandargv.
279 * Makefile.in (gcc-vers.texi): Define srcdir.
281 2005-11-23 Diego Novillo <dnovillo@redhat.com>
283 * passes.c (init_optimization_passes): Document
284 sequencing of passes.
286 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
288 * config/m68k/predicates.md (pcrel_address, extend_operator,
289 post_inc_operand, pre_dec_operand): Remove redundant
291 (const_uint32_operand, const_sint32_operand): Use gcc_assert
293 (valid_dbcc_comparison_p): Rewrite in the lisp style.
295 2005-11-23 Ben Elliston <bje@au.ibm.com>
297 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
299 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
301 Preparatory work for PR target/21623:
302 * alpha.c (secondary_reload_class): Rename to:
303 (alpha_secondary_reload_class).
304 * alpha.h, alpha-protos.h: Likewise.
305 * mn10300.c (secondary_reload_class): Rename to:
306 (mn10300_secondary_reload_class).
307 * mn10300.h, mn10300-protos.h: Likewise.
308 * pa.c (secondary_reload_class): Rename to:
309 (pa_secondary_reload_class).
310 * pa.h, pa-protos.h: Likewise.
311 * rs6000.c (secondary_reload_class): Rename to:
312 rs6000_secondary_reload_class.
313 * rs6000.h, rs6000-protos.h: Likewise.
315 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
318 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
320 2005-11-22 Ian Lance Taylor <ian@airs.com>
322 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
324 (prepare_cmp_insn): Likewise.
326 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
329 * m68k.md (zero_extendsidi2): Force operands[1] to a register
330 if both operands[0] and operands[1] are memory.
332 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
335 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
336 COMPARISON_CLASS_P and an integral types create create a new
337 expression with the new type and fold that.
339 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
342 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
343 to SUBTARGET_OS_CPP_BUILTINS.
345 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
347 * arm.c (emit_set_insn): New function.
348 (arm_split_constant): Call it.
349 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
350 (arm_legitimize_address): Likewise. Use plus_constant.
351 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
352 (thumb_expand_prologue): Likewise.
353 (arm_gen_load_multiple): Use VOIDmode in SET.
354 (arm_gen_store_multiple): Likewise.
355 (vfp_emit_fstmx): Likewise. Use plus_constant.
356 (emit_multi_reg_push): Likewise.
357 (emit_sfm): Use plus_constant.
359 2005-11-23 Alan Modra <amodra@bigpond.net.au>
362 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
365 2005-11-22 Alan Modra <amodra@bigpond.net.au>
368 * expmed.c (store_bit_field): Don't attempt to insv a field
371 2005-11-22 Alan Modra <amodra@bigpond.net.au>
374 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
375 explicit sign extension, not a (char) cast.
377 2005-11-22 Ben Elliston <bje@au.ibm.com>
379 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
380 GET_MODE_CLASS (x) == MODE_FLOAT.
381 * config/i386/i386.c: Likewise.
382 * config/rs6000/xcoff.h: Likewise.
383 * config/rs6000/linux64.h: Likewise.
384 * config/rs6000/rs6000.c: Likewise.
385 * config/rs6000/rs6000.h: Likewise.
386 * config/rs6000/predicates.md: Likewise.
387 * config/rs6000/sysv4.h: Likewise.
389 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
391 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
394 * config/alpha/freebsd.h, config/alpha/linux.h,
395 config/arm/linux-elf.h, config/bfin/bfin.h,
396 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
397 config/i386/beos-elf.h, config/i386/gnu.h,
398 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
399 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
400 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
401 config/rs6000/linux64.h, config/rs6000/sysv4.h,
402 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
403 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
404 config/sparc/linux.h, config/sparc/linux64.h,
405 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
407 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
408 are both defined when either flag -fpic or -fPIC are used.
410 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
412 * config/fp-bit.c (clzusi): New function.
413 (si_to_float, usi_to_float): Use it to compute proper shift.
414 (usi_to_float): Preserve guard bits when shifting right.
415 * libgcc-std.ver (GCC_4.2.0): New version.
416 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
417 __floatundisf): New functions.
418 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
419 __floatundisf): Declare.
420 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
421 _floatundixf, and _floatunditf.
422 * optabs.c (expand_float): If target does not define a pattern for
423 signed or unsigned conversion, use an unsigned libcall instead of
425 (init_optabs): Initialize ufloat_optab.
427 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
429 * config/rs6000/rs6000.opt (mmulhw): New option.
430 * doc/invoke.texi (-mmulhw): Document.
431 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
433 * config/rs6000/rs6000.md: Add half-word multiply and
434 multiply-accumulate instructions for 405 and 440.
436 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
438 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
439 which matches behavior of gcc 4.0 and older for RTEMS targets. The
440 default now includes a linker group which makes the RTEMS one nest.
442 2005-11-22 Ben Elliston <bje@au.ibm.com>
444 * cse.c (fold_rtx): Typo fix.
445 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
447 2005-11-21 Richard Henderson <rth@redhat.com>
449 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
450 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
452 * c-tree.h (lookup_name): Move declaration ...
453 * c-common.h (lookup_name): ... here.
454 * config/darwin-c.c: Include c-common.h.
455 * config/t-darwin: Update dependencies.
457 2005-11-22 Ben Elliston <bje@au.ibm.com>
459 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
460 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
461 * genopinit.c (gen_insn): Likewise.
462 * reload.c (find_equiv_reg): Likewise.
463 * loop.c (load_mems): Likewise.
464 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
465 * cse.c (find_comparison_args, fold_rtx): Likewise.
466 * dwarf2out.c (add_const_value_attribute): Likewise.
467 * expr.c (convert_move): Likewise.
468 * recog.c (general_operand, register_operand): Likewise.
469 * reg-stack.c (replace_reg): Likewise.
470 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
471 * c-common.c (handle_vector_size_attribute): Likewise.
472 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
473 (simplify_binary_operation_1): Likewise.
474 (simplify_const_binary_operation): Likewise.
475 (simplify_relational_operation): Likewise.
476 (simplify_const_relational_operation): Likewise.
477 (simplify_immed_subreg): Likewise.
478 * emit-rtl.c (gen_lowpart_common): Likewise.
479 * expmed.c (expand_mult): Likewise.
480 * stor-layout.c (layout_type): Likewise.
482 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
485 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
486 cst2 only for SPE vectors.
488 2005-11-21 David Edelsohn <edelsohn@gnu.org>
491 * config/rs6000/predicates.md (vrsave_operation): Check
492 UNSPEC_VOLATILE value.
494 2005-11-21 Jan Hubicka <jh@suse.cz>
496 PR tree-optimization/24653
497 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
499 2005-11-21 Uros Bizjak <uros@kss-loka.si>
501 * config/i386/predicates.md (ax_reg_operand): New predicate.
502 (memory_displacement_only_operand): New predicate.
503 * config/i386/i386.md ("modrm" attribute): Return 0 if one
504 operand is AX register and the other operand is memory operand
505 with displacement only.
507 2005-11-21 Uros Bizjak <uros@kss-loka.si>
509 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
510 if we don't care about NaNs or Infinities.
512 2005-11-20 Ian Lance Taylor <ian@airs.com>
514 PR rtl-optimization/24883
515 * combine.c (combinable_i3pat): When checking whether the
516 destination of i3 is used in i3, consider paradoxical subregs.
518 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
521 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
523 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
525 * combine.c (try_combine): Do not run subst on i1src and i2src in
526 the case of generating a PARALLEL for a comparison.
528 2005-11-20 Richard Henderson <rth@redhat.com>
531 * tree-sra.c (struct sra_elt): Add all_no_warning.
532 (struct sra_walk_fns) <use>: Add use_all argument.
533 (sra_walk_expr): Pass it.
534 (sra_walk_modify_expr): Likewise.
535 (scalarize_ldst): Likewise.
536 (scan_use): Update for new argument.
537 (mark_no_warning): New.
538 (scalarize_use): Use it.
540 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
542 * expr.c (expand_expr_real): Use usmul_optab for widening
543 signed * unsigned multiplies.
544 * genopinit.c (optabs): Add usmul_widen_optab.
545 * optabs.c (init_optabs): Likewise.
546 * optabs.h (enum optab_index): Add OTI_usmul_widen.
547 (usmul_widen_optab): Define.
548 * config/bfin/bfin.md (usmulhisi3): New pattern.
550 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
552 2005-11-20 Graham Stott <btinternet.com>
554 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
556 2005-11-20 Andreas Schwab <schwab@suse.de>
559 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
562 2005-11-19 Richard Henderson <rth@redhat.com>
565 * tree-gimple.c (is_gimple_id): Export.
566 * tree-gimple.h (is_gimple_id): Declare.
567 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
568 (get_default_value): Use it.
569 (maybe_fold_stmt_indirect): Likewise.
571 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
573 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
574 than VR1 or vice-versa.
576 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
580 * reload.c (find_reloads_address_1): Mention dependency on
582 * reload1.c (gen_reload): For IN with an unary operation, try
583 moving inner expression to OUT if trivial SET is not valid.
584 Confirm that the result is valid. Move common code block into...
585 (emit_insn_if_valid_for_reload): New function.
587 2005-11-19 Richard Guenther <rguenther@suse.de>
589 * fold-const.c (fold_indirect_ref_1): Make sure we fold
590 ARRAY_REFs of constant strings.
592 2005-11-19 Jakub Jelinek <jakub@redhat.com>
594 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
597 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
599 * combine.c (make_compound_operation): Swap operands of
600 commutative operation if necessary before returning.
602 2005-11-19 Richard Guenther <rguenther@suse.de>
605 * fold-const.c (fold_plusminus_mult_expr): New function.
606 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
607 cases, remove now unnecessary code.
609 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
611 * gensupport.c (old_preds): Rename to std_preds, add special field.
612 (struct old_pred_table): Rename to struct std_pred_table, add special
614 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
615 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
616 (init_predicate_table): Adjust, and set along the way whether a
617 predicate is special.
619 2005-11-18 Mark Mitchell <mark@codesourcery.com>
621 * BASE-VER: Change to 4.2.0.
623 2005-11-18 James E Wilson <wilson@specifix.com>
625 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
628 2005-11-18 Mike Stump <mrs@apple.com>
630 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
631 * config/darwin-c.c (darwin_pragma_unused): Likewise.
632 * c-decl.c (lookup_name_two) Remove.
633 * c-tree.h (lookup_name_two): Remove.
634 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
635 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
636 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
637 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
639 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
642 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
643 when not generating code to use that co-processor.
645 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
647 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
648 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
649 these functions are now in tree-phinodes.c.
651 2005-11-18 Jie Zhang <jie.zhang@analog.com>
653 * config/bfin/bfin.md (trap): New pattern.
655 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
657 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
660 * expr.c (expand_expr_real): Don't call record_block_change unless
661 ib_boundaries_block is non-null
663 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
665 * fold-const.c (build_range_check): Use proper type for subtraction
666 when merging lower bound.
668 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
670 PR rtl-optimization/24497
671 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
674 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
676 * tree-scalar-evolution.c (expression_expensive_p): New function.
677 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
679 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
681 * config/bfin/crtlibid.s: New file.
683 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
686 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
687 when not using sjlj exceptions.
688 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
689 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
690 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
691 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
692 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
693 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
694 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
695 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
696 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
697 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
698 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
699 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
700 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
702 * config/pa/hpux-unwind.h: New file.
704 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
706 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
707 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
708 * varasm.c (do_assemble_alias): Adjust call.
709 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
711 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
713 2005-11-17 James E Wilson <wilson@specifix.com>
715 * tree.def (FUNCTION_DECL): Correct typo in comment.
717 2005-11-17 Richard Henderson <rth@redhat.com>
719 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
720 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
721 and DW_CFA_def_cfa_sf.
722 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
723 (dbx_reg_number): Don't assert particular registers here.
724 (based_loc_descr): ... do it here instead. Fold in ...
725 (eliminate_reg_to_offset): ... this function.
726 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
727 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
728 * unwind-dw2.c (execute_cfa_program): Apply data align factor
729 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
730 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
731 (instantiate_virtual_regs): Likewise.
732 * var-tracking.c (adjust_stack_reference): Likewise.
733 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
735 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
737 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
738 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
739 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
741 ($(T)crtlibid.o): New rule.
743 2005-11-16 Richard Guenther <rguenther@suse.de>
746 * fold-const.c (extract_array_ref): Return byte offset
748 (fold_binary): Fold &x[a] CMP &x[b] to
749 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
752 2005-11-16 Richard Henderson <rth@redhat.com>
755 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
756 parts of an SSA_NAME.
758 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
761 * arm.md (split for movsf with immediate): Restrict split to insns
762 that set a general register.
764 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
766 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
768 * unwind-dw2.c (uw_advance_context): Likewise.
769 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
770 _Unwind_SjLj_Unregister.
771 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
773 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
775 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
777 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
779 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
780 langhook to get a DImode integer type.
782 2005-11-16 Richard Henderson <rth@redhat.com>
783 J"orn Rennecke <joern.rennecke@st.com>
784 Ulrich Weigand <uweigand@de.ibm.com>
788 * reload1.c (reg_equiv_invariant): New.
789 (reload): Allocate, initialize, and free it.
790 (calculate_needs_all_insns): Check it when skipping equivalence
792 (alter_reg): Likewise.
793 (eliminate_regs_1): Rename from eliminate_regs. Add new
794 may_use_invariant argument; only use reg_equiv_invariant when true.
795 (eliminate_regs): New.
796 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
797 a context for which may_use_invariant may be true.
799 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
801 * fold-const.c (const_binop): Don't constant fold the operation
802 if the result has overflowed and flag_trapping_math.
803 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
805 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
807 * config/arm/unwind-arm.c (abort): Add prototype here.
808 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
809 (struct phase1_vrs): Add prev_sp.
810 (unwind_phase2_forced): Save the original core registers instead of
811 modifying entry_vrs. Take a new flag argument for resuming unwinding
812 and set action flags accordingly. Always set _US_END_OF_STACK when
813 get_eit_entry fails. Unwind before calling the stop function.
814 (_Unwind_GetCFA): New function.
815 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
816 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
817 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
818 just call unwind_phase2_forced.
819 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
820 * config/arm/unwind-arm.h (abort): Remove prototype.
821 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
823 (_Unwind_GetCFA): New prototype.
824 * config/arm/pr-support.c (abort): Add prototype here.
825 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
827 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
828 not schedule the prologue with non-call exceptions and EABI.
830 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
832 * config/arm/unwind-arm.h: Reorder interface function declarations.
833 (_URC_END_OF_STACK): New enumeration value.
834 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
835 (struct _Unwind_Control_Block): Document reserved field use.
836 (_Unwind_Stop_Fn): New typedef.
837 (_Unwind_ForcedUnwind): Declare.
838 (_Unwind_Resume_or_Rethrow): Declare.
839 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
841 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
842 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
843 (UCB_FORCED_STOP_ARG): New.
844 (search_EIT_table): Update boundary condition checks.
845 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
846 (unwind_phase2): Replace for with do..while.
847 (unwind_phase2_forced): New.
848 (__gnu_Unwind_RaiseException): Replace for with do..while.
849 (__gnu_Unwind_ForcedUnwind): New.
850 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
851 Use appropriate phase2 unwinder.
852 (__gnu_Unwind_Resume_or_Rethrow): New.
853 (__gnu_unwind_pr_common): Cope with forced unwinding.
855 2005-11-16 David Edelsohn <edelsohn@gnu.org>
858 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
860 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
861 roundsf2): Remove "s" from mnemonic.
863 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
865 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
867 * config/bfin/crtn.s: Change epilogues to match.
868 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
869 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
872 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
875 * doc/invoke.texi: Distinguish between free and fixed form instead of
876 Fortran and Fortran 90/95. Remove ratfor from the list of supported
878 * gcc.c (default_compilers): Remove double entries, add entries for
879 suffixes '.F90' and '.F95'.
881 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
883 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
884 in the stack probing loop.
886 2005-11-15 David Edelsohn <edelsohn@gnu.org>
888 * configure.ac: Use .machine power5 not power5x.
889 * configure: Regenerate.
891 2005-11-15 Mike Stump <mrs@apple.com>
893 * c-decl.c (lookup_name_two): Add.
894 * c-tree.h (lookup_name_two): Likewise.
895 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
896 * config/darwin-c.c (darwin_pragma_unused): Likewise.
898 2005-11-16 Alan Modra <amodra@bigpond.net.au>
900 PR rtl-optimization/23392
901 * regrename.c (enum scan_actions) Add mark_access.
902 (scan_actions_name): Ditto.
903 (scan_rtx_reg): Handle mark_access.
904 (scan_rtx_address): Do nothing for mark_access.
905 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
906 and regs in REG_INC notes before closing chains for dead regs.
907 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
908 opening chains for new writes.
910 2005-11-15 David Edelsohn <edelsohn@gnu.org>
912 * c.opt (ffixed-line-length-none): New.
914 2005-11-15 Steve Ellcey <sje@cup.hp.com>
916 * mklibgcc.in: Change contents of eh_dummy.c.
918 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
920 * loop.c (scan_loop): Do not insert temporaries for hard registers.
922 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
924 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
926 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
928 2005-11-15 Jan Hubicka <jh@suse.cz>
930 * invoke.texi (large-unit-insns): Document.
931 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
932 * params.def (large-unit-insns): New param.
934 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
937 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
938 special register for operand 3. Reindent constraints to align
941 2005-11-14 David Edelsohn <edelsohn@gnu.org>
943 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
944 -mpopcntb, -mfprnd. Add -mcpu=power5+.
945 * configure.ac: Add test for FP rounding instructions.
946 * configure: Regenerate.
947 * config.in: Regenerate.
948 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
949 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
951 * config/rs6000/rs6000.opt (mfprnd): New.
952 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
953 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
954 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
955 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
957 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
959 (btrunc<mode>2): New.
964 2005-11-14 Geoffrey Keating <geoffk@apple.com>
966 * gcc.c (version_compare_spec_function): Use fatal() rather than
969 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
970 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
971 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
973 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
976 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
977 on -mmacosx-version-min setting.
979 2005-11-14 Diego Novillo <dnovillo@redhat.com>
982 * tree-vrp.c (infer_value_range): Return false if STMT is a
983 block terminator and its basic block has no successors.
985 2005-11-14 Mike Stump <mrs@apple.com>
987 * config/i386/i386.c (override_options): -masm=intel isn't
989 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
991 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
993 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
994 vfork after including auto-host.h.
996 2005-11-15 Alan Modra <amodra@bigpond.net.au>
998 PR rtl-optimization/22002
999 * combine.c (distribute_notes): Detect cases where a reg dies
1000 two or more times in a bb, including on the insn we are combining,
1001 and place the death note on the correct range.
1003 2005-11-14 Dale Johannesen <dalej@apple.com>
1005 * expmed.c (store_bit_field): Add offset unconditionally for
1007 (extract_bit_field): Don't force extzv or extv operand into
1008 a register if field is too big.
1010 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1012 * config/arm/arm.c (pic_labelno): New.
1013 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1014 LABEL_REF. Pass only the labelno to PIC insns.
1015 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1016 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1017 * arm.md (UNSPEC_PIC_LABEL): New constant.
1018 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1019 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1020 Use the correct label prefix.
1022 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1024 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1027 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
1029 * loop-invariant.c: Include tm_p.h.
1030 * Makefile.in: Updated.
1032 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1034 * pa.c (store_reg): Revise generation of frame notes in large frames.
1035 (set_reg_plus_d): Likewise.
1037 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
1039 PR tree-optimization/24709
1040 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1043 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1045 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1046 and duplicate declaration of pthread_self.
1048 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
1049 Ian Lance Taylor <ian@airs.com>
1052 * calls.c (expand_call): If TARGET is a MEM and some part of the
1053 argument area has been saved, force TARGET to a register.
1055 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
1057 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1060 2005-11-13 Jason Merrill <jason@redhat.com>
1063 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1064 lazily declared methods.
1065 (force_decl_die): Stop if forcing out the context already make a
1067 (force_type_die): Likewise.
1069 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
1072 * builtins.c (integer_valued_real_p): Add break in
1073 REAL_CST having TREE_OVERFLOW set.
1075 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
1077 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1078 addressing modes during calculation of costs.
1080 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
1082 * function.c (assign_stack_local_1): Restrict sanity check
1083 on frame size overflow to 32-bit and above platforms.
1085 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1087 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1088 * config/cris/cris.c: Include reload.h.
1089 (cris_initial_elimination_offset): New function.
1090 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1093 2005-11-12 Richard Guenther <rguenther@suse.de>
1095 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1097 2005-11-12 Jan Hubicka <jh@suse.cz>
1099 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1100 to compare against 0 when possible.
1102 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1104 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1105 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1106 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1107 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1110 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1112 * recog.c (constrain_operands) <case 'g'>: For a match, require
1113 that a non-register matches general_operand when strict >= 0.
1115 2005-11-11 Steven Bosscher <stevenb@suse.de>
1117 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1120 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1122 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1123 (memory_address_same): New.
1124 (dse_optimize_stmt): Call memory_address_same.
1126 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1129 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1130 ZERO_EXTEND>: New cases.
1132 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1134 * longlong.h (__clz_tab): Always provide.
1136 2005-11-11 Steven Bosscher <stevenb@suse.de>
1139 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1141 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1142 before check_maybe_invariant.
1143 (move_invariant_reg): Use gen_move_insn instead of replacing
1144 SET_DEST with the temporary for the invariant.
1145 (move_loop_invariants): If checking is enabled, do internal
1146 consistency checks after completing the pass.
1148 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1151 * common.opt (Wvolatile-register-var): New.
1152 * varasm.c (make_decl_rtl): Only emit warning when option
1153 specified. Clarify warning message.
1154 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1156 * doc/md.texi (copysign): Document standard named pattern.
1158 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1160 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1161 bytes when align is 2.
1162 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1163 by the first instruction of the loop.
1165 2005-11-11 Jason Merrill <jason@redhat.com>
1168 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1171 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1173 PR rtl-optimization/22509
1174 * local-alloc.c (memref_used_between_p): Check whether a function call
1175 could not reference the memref.
1177 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1179 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1180 algorithm so as to choose the best, not the worst, alternative.
1181 Reset accumulated register class before processing next alternative.
1183 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1186 * calls.c (expand_call): Copy a return value to a plain register
1189 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1192 * varasm.c (assemble_name): Recompute name only for transparent
1195 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1197 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1199 2005-11-04 Jeff Law <law@redhat.com>
1202 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1203 perform reassociation if the parent statement will not die as
1204 a result of the optimization.
1206 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1208 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1209 delete_old_heap_vars.
1210 * tree-dfa.c (referenced_var_remove): Remove function.
1211 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1212 (delete_tree_ssa): Remove call to delete_old_heapvars.
1213 Add call to delete_alias_heapvars.
1214 * tree-flow.h (referenced_var_remove): Remove prototype
1215 (init_alias_heapvars): New prototype.
1216 (delete_alias_heapvars): Ditto.
1217 * Makefile.in (tree-ssa-structalias.o): Add
1218 gt-tree-ssa-structalias.o
1219 (GTFILES): Add tree-ssa-structalias.h and
1220 tree-ssa-structalias.c.
1221 (s-gtype): Add gt-tree-ssa-structalias.h.
1222 * tree-ssa-structalias.c (heapvars): Remove.
1223 (oldheapvars): Remove.
1224 (heapvar_for_stmt): New variable.
1225 (heapvar_lookup): New function.
1226 (heapvar_insert): Ditto.
1227 (get_constraint_for): See if we have an old heapvar
1229 (init_alias_heapvars): New function.
1230 (delete_alias_heapvars): Ditto.
1231 Add include of gt-tree-ssa-structalias.h.
1233 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1236 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1238 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1240 * tree.c (int_fits_type_p): Only look at the base type
1241 if it has the same precision as the original type.
1243 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1246 * varasm.c (assemble_alias): Use %q+D in the error
1247 message instead of %J and %qD.
1249 2005-11-10 Richard Guenther <rguenther@suse.de>
1251 * gcse.c (free_ldst_entry): Only free hashtable if
1254 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1256 * function.c (assign_stack_local_1): Issue an error message if
1257 the frame size overflows in the signed target arithmetics.
1259 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1261 * tree.c (build_qualified_type): Chain the new type to the original
1262 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1263 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1264 (build_pointer_type_for_mode): Only return unqualified types.
1265 (build_reference_type_for_mode): Likewise.
1267 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1269 * Makefile.in (gnucompare): Do comparison of all files using one of
1270 the chosen methods and only afterwards decide if just warning should
1271 be issued or comparison failure raised.
1273 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1275 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1276 (noce_try_abs): Negate if the comparison is reversed.
1277 Look only one instruction backwards for a REG_EQUAL note.
1279 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1282 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1283 gthr-tpf.h: Define __gthrw. For all identifiers that might
1284 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1285 and prefix all uses with __ghtrw.
1287 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1290 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1291 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1292 * c-common.c (handle_weakref_attribute): New.
1293 (c_common_attribute_table): Add weakref.
1294 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1296 * configure, config.in: Rebuilt.
1297 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1298 * doc/extend.texi: Document weakref attribute.
1299 * varasm.c (ultimate_transparent_alias_target): New
1300 (assemble_name): Use it.
1301 (weak_finish_1): Split out of...
1302 (weak_finish): ... and deal with weakrefs in...
1303 (weakref_targets): ... new list.
1304 (globalize_decl): Clean up weakref_targets.
1305 (do_assemble_alias): Handle weakrefs.
1306 (finish_aliases_1): Do not reject weakrefs to external symbols.
1307 (assemble_alias): Handle weakrefs.
1309 2005-11-09 Richard Guenther <rguenther@suse.de>
1311 PR tree-optimization/24716
1312 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1313 t_bool to track results from follow_ssa_edge.
1315 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1317 * final.c (force_source_line): New global variable.
1318 (final_scan_insn): Set it to true instead of clearing last_filename.
1319 (notice_source_line): Return true if force_source_line is true,
1320 unless source info is absent.
1322 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1325 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1326 a linkage name for a variable if it a register variable.
1327 * c-decl.c (grokdeclarator): Global register variables
1328 should be set as PUBLIC.
1330 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1333 * config/s390/s390.c (struct s390_frame_layout): New fields
1334 first_save_gpr_slot and last_save_gpr_slot.
1335 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1336 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1337 first_save_gpr and last_save_gpr with the _slot variants.
1338 (s390_register_info): Calculate first_save_gpr_slot and
1339 last_save_gpr_slot using regs_ever_live.
1341 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1344 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1345 for a function containing a landing pad.
1347 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1350 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1353 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1355 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1356 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1358 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1361 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1363 (call,load,store): New insn types.
1364 (mem_access, branch_access): Adjust reservation conditions.
1365 (define_delay): Adjust condition.
1366 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1368 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1369 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1371 (call_internal, call_value_internal, return_internal,
1372 return_interrupt_internal, eh_return_internal, indirect_jump,
1373 tablejump): Set call insn type.
1374 (blockage, ei, di): Use appropriate unspec const.
1375 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1376 (ms1_get_attr_type): Adjust to give load & store types.
1377 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1378 backwards past a barrier.
1379 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1381 (struct branch_info, struct label_info): New.
1383 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1384 (ms1_machine_reorg): New.
1385 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1386 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1387 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1388 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1391 2005-11-09 Per Bothner <per@bothner.com>
1392 Uros Bizjak <uros@kss-loka.si>
1395 * toplev.c (process_options): Initialize debug_hooks early
1396 in case lang_hooks.post_options ends up calling a debug_hook.
1398 2005-11-08 Jakub Jelinek <jakub@redhat.com>
1400 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1401 DBX_REGISTER_NUMBER being contiguous.
1403 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
1404 Diego Novillo <dnovillo@redhat.com>
1407 * tree-vrp.c (register_edge_assert_for): Do not register
1408 always-false predicates.
1410 2005-11-08 Devang Patel <dpatel@apple.com>
1412 PR tree-optimization/23115
1413 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1416 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
1418 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1421 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
1423 Fix PR tree-optimization/23382
1425 * tree-ssa-alias.c (compute_may_aliases): Call
1426 delete_old_heap_vars.
1427 * tree-dfa.c (referenced_var_remove): New function.
1428 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1429 * tree-flow.h (referenced_var_remove): Add prototype.
1430 (delete_old_heap_vars): Ditto.
1431 * tree-ssa-structalias.c (heapvars): New variable.
1432 (oldheapvars): Ditto.
1433 (get_constraint_for): Put heap vars on heapvars list.
1434 (delete_old_heap_vars): New function.
1436 2005-11-08 Jason Merrill <jason@redhat.com>
1438 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1440 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1443 * reg-stack.c (reg_to_stack): Update register liveness also
1444 for flag_sched2_use_traces.
1446 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1449 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1450 override prior explicit -mno-powerpc-gfxopt.
1452 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1454 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1455 if the bitsize is zero.
1456 * doc/md.texi (Standard Pattern Names): Document it.
1458 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1459 (TARGET_PASS_BY_REFERENCE): Likewise.
1461 2005-11-07 Ian Lance Taylor <ian@airs.com>
1463 PR rtl-optimization/24683
1464 * config/i386/i386.c (legitimize_pic_address): If constant operand
1465 to PLUS is too large, put it in a register.
1467 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1469 * configure.ac: Enable checking assembler dwarf2 support for bfin
1471 * configure: Regenerate.
1473 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1477 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1478 gen_easy_vector_constant_add_self): Delete.
1479 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1481 (output_vec_const_move): Use gen_easy_altivec_constant.
1482 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1483 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1484 (easy_vector_constant_add_self): Rewritten.
1485 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1486 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1487 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1488 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1489 Macroize and adjust for the other changes.
1491 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1495 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1496 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1498 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1500 PR rtl-optimization/23567
1501 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1502 (noce_process_if_block): Don't do any optimizations except
1503 if (cond) x = x; if !set_b and write into orig_x may trap
1504 or fault. Remove the MEM_READONLY_P check.
1506 2005-11-06 Diego Novillo <dnovillo@redhat.com>
1509 * tree-vrp.c (fix_equivalence_set): New.
1510 (extract_range_from_assert): Call it.
1512 2005-11-05 Ian Lance Taylor <ian@airs.com>
1515 * combine.c (apply_distributive_law): Don't distribute across a
1518 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
1520 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1521 config/ms1/ms1.h, config/rs6000/predicates.md,
1522 config/s390/s390.c, params.def, postreload-gcse.c,
1523 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1524 tree-vrp.c, tree.c: Fix comment typos.
1525 * doc/invoke.texi: Fix typos.
1527 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
1529 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1530 for testing whether the data_dependence_relation contains distance
1531 vectors. Iterate over all distance vectors of the ddr.
1532 * lambda.h: Define a vec of lambda_vector pointers.
1533 * tree-data-ref.c (dump_data_dependence_relation,
1534 dump_data_dependence_direction): Iterate over all distance and
1535 direction vectors of the ddr.
1536 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1538 (build_classic_dist_vector, build_classic_dir_vector): Push a set
1539 of distance/direction vectors instead of a single one.
1540 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1541 lambda_vectors with a vec of lambda_vectors.
1542 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1543 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1544 DDR_NUM_DIST_VECTS): New.
1545 * tree-loop-linear.c (gather_interchange_stats): Test for the
1546 existence of distance vectors only after having checked that there
1547 is a dependence. Iterate over all distance vectors of the ddr.
1548 (linear_transform_loops): Use dump_data_dependence_relation.
1549 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1550 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
1551 distance vectors of the ddr.
1553 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
1555 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1556 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1557 IS_INTHANDLER; all callers changed.
1558 (n_regs_saved_by_prologue): Take interrupt handler attributes into
1560 (do_link, do_unlink): New argument ALL; all callers changed.
1561 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1562 If function isn't leaf, save and restore all registers.
1563 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1566 2005-11-05 Jan Hubicka <jh@suse.cz>
1568 PR rtl-optimization/23490
1569 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1570 max-flow-memory-location): Document.
1571 * flow.c: Include params.h
1572 (MAX_MEM_SET_LIST_LEN): Kill.
1573 (add_to_mem_set_list): Use new param.
1574 * cse.c (cse_basic_block): Replace 1000 by new param.
1575 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1576 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1577 * predict.c (predict_loops): Use new param.
1578 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1580 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1581 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1582 Do not hold memory returned by cgraph_node_name across other call.
1584 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
1587 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1590 2005-11-04 Jeff Law <law@redhat.com>
1593 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1594 * tree-ssa-dom.c: Include params.h.
1595 (thread_across_edge): If there are too many statements in the
1596 target block, then do not thread through it.
1597 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1598 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1600 2005-11-03 Diego Novillo <dnovillo@redhat.com>
1603 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1604 TODO_update_ssa instead of TODO_update_ssa_no_phi.
1606 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
1609 * tree-scalar-evolution.c (instantiate_parameters_1,
1610 instantiate_parameters, resolve_mixers): Compute the size of an
1611 expression to be instantiated and give up the instantiation if the
1612 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1614 2005-11-04 Richard Guenther <rguenther@suse.de>
1616 * tree-flow.h (ref_contains_indirect_ref): Rename to
1617 array_ref_contains_indirect_ref.
1618 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1619 (array_ref_contains_indirect_ref): Make comment match the code
1621 (ref_contains_array_ref): Likewise.
1622 * tree-ssa-structalias.c (find_func_aliases): Remove call to
1623 ref_contains_indirect_ref.
1624 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1625 Rename calls to ref_contains_indirect_ref.
1627 2005-11-04 Paul Brook <paul@codesourcery.com>
1629 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1630 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1631 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1632 * config/arm/arm.md: Use match_operand in peephole input templates
1633 and match_dup in peephole output templates.
1635 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1637 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1640 2005-11-04 Mark Mitchell <mark@codesourcery.com>
1641 Daniel Jacobowitz <dan@codesourcery.com>
1643 * longlong.h (add_ssaaaa): Clobber condition code register
1645 (sub_ddmmss): Likewise.
1646 (umul_ppmm): Likewise.
1648 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1649 Paul Brook <paul@codesourcery.com>
1650 Phil Blundell <pb@reciva.com>
1652 * configure.ac: Add test for ARM TLS support.
1653 * configure: Regenerated.
1654 * config/arm/arm-protos.h (legitimize_tls_address)
1655 (arm_tls_referenced_p, tls_mentioned_p)
1656 (arm_output_addr_const_extra): New prototypes.
1657 (thumb_legitimize_pic_address): Delete.
1658 * config/arm/arm.c: Include "gt-arm.h".
1659 (enum tls_reloc): New.
1660 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1661 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1662 (arm_call_tls_get_addr, legitimize_tls_address)
1663 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1664 (arm_init_tls_builtins, arm_emit_tls_decoration)
1665 (arm_output_addr_const_extra): New functions.
1666 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1667 (TARGET_HAVE_TLS): Define.
1668 (target_thread_pointer): New.
1669 (arm_override_options): Handle -mtp=.
1670 (legitimize_pic_address): Ignore UNSPECs.
1671 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1673 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1674 (tls_get_addr_libfunc): New variable.
1675 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1676 (arm_init_builtins): Call arm_init_tls_builtins.
1677 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1678 (arm_encode_section_info): Call default_encode_section_info.
1679 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1680 (enum arm_tp_type): New.
1681 (target_thread_pointer): Add declaration.
1682 (LEGITIMATE_CONSTANT_P): Handle TLS.
1683 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1684 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1685 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1686 * config/arm/arm.md: Add UNSPEC_TLS.
1687 (movsi): Handle TLS.
1688 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1690 (tls_load_dot_plus_eight): New insn and a peephole to create it.
1691 (load_tp_hard, load_tp_soft): New insns.
1692 * arm.opt: Add -mtp=.
1693 * doc/invoke.texi (ARM Options): Document -mtp.
1695 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1697 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1698 * config/arm/libunwind.S: Include "lib1funcs.asm".
1699 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1700 (LIB2ADDEH): Add libunwind.S.
1701 (LIB2ADDEHDEP): Add lib1funcs.asm.
1702 * mklibgcc.in: Handle asm files in libgcc_eh.a.
1704 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1707 * gcc/c.opt: Add a -lang-fortran option.
1708 * gcc/c-opts.c: Add a lang_fortran flag.
1709 (c_common_init_options): Handling the -lang-fortran option.
1710 (c_common_handle_option): Add a case for Fortran options in
1711 preprocessing. Remove cases for -ffixed-form and
1712 -ffixed-line-length. Add a case for -lang-fortran.
1714 2005-11-03 David Edelsohn <edelsohn@gnu.org>
1716 * config/rs6000/rs6000.c: Include params.h
1717 (optimization_options): Set max-grow-copy-bb-insns default to 16.
1718 (bdesc_2arg): Delete vpkuhss and vpkuwss.
1719 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1720 (UNSPEC_VPKUWSS): Delete.
1721 (altivec_vpkuhss): Delete.
1722 (altivec_vpkuwss): Delete.
1723 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1725 (neg_eq0<mode>): Remove final condition.
1726 (neg_eq<mode>): Remove condition and split-condition.
1728 2005-11-04 Alan Modra <amodra@bigpond.net.au>
1730 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1731 Use associated print macros.
1733 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1736 * diagnostic.c (diagnostic_set_info_translated): New function.
1737 (diagnostic_set_info): Use it. Add comment.
1738 * diagnostic.h (diagnostic_set_info_translated): Declare.
1740 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
1742 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1743 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1744 reference only if 'public' is true.
1745 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1746 emit the .hidden directive only if the indirect reference is public.
1747 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1748 Pass it to dw2_force_const_mem.
1749 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1750 * dwarf2out.c (output_cfi): Adjust calls to above function.
1751 (output_call_frame_info): Likewise.
1752 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1753 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1755 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
1757 PR tree-optimization/24483
1758 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1759 field to elts if possible.
1761 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1764 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1767 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
1769 Fix PR tree-optimization/24351
1771 * tree-ssa-structalias.c (struct variable_info): Add
1773 (get_varinfo_fc): New function to follow collapsing.
1774 (new_var_info): Set collapsed_to to NULL.
1775 (dump_constraint): Follow collapsing.
1776 (build_constraint_graph): Handle collapsing.
1777 (do_simple_structure_copy): Return false if something bad
1779 (collapse_rest_of_var): New function.
1780 (do_structure_copy): Collapse if do_simple_structure_copy returns
1783 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1786 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1787 expressions to a statement list instead of gimplifying them.
1789 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1791 PR rtl-optimization/23585
1792 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1793 that can't trap plus a constant integer, if the mode has zero size.
1795 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
1798 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1800 ("*insv<mode>_reg_extimm"): Likewise.
1802 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1805 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1806 c_common_type_for_mode returns an unnamed type.
1808 2005-11-02 Richard Henderson <rth@redhat.com>
1812 * dwarf2out.c (dwarf2out_reg_save_reg): New.
1813 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1814 * function.c (assign_parms): Use calls.internal_arg_pointer.
1815 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1817 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1818 (TARGET_CALLS): Add it.
1819 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1820 * targhooks.c (default_internal_arg_pointer): New.
1821 * targhooks.h (default_internal_arg_pointer): Declare.
1822 * tree.h (dwarf2out_reg_save_reg): Declare.
1823 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1824 * config/i386/i386.c (dbx_register_map): Add return column.
1825 (dbx64_register_map, svr4_dbx_register_map): Likewise.
1826 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1827 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1828 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1829 (ix86_save_reg): Save force_align_arg_pointer.
1830 (ix86_emit_save_regs): Make regno unsigned.
1831 (ix86_emit_save_regs_using_mov): Likewise.
1832 (ix86_expand_prologue): Handle force_align_arg_pointer.
1833 (ix86_expand_epilogue): Likewise.
1834 * config/i386/i386.h: (dbx_register_map): Update.
1835 (dbx64_register_map, svr4_dbx_register_map): Update.
1836 (struct machine_function): Add force_align_arg_pointer.
1837 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1838 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1839 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1841 2005-11-02 Jan Hubicka <jh@suse.cz>
1844 * i386.md: Add peep2 for simplyfing array accesses.
1846 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1849 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1850 * config/s390/s390.c (s390_decompose_shift_count): New function.
1851 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1852 (print_shift_count_operand): Use s390_decompose_shift_count.
1853 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1854 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
1856 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1859 * loop.c (loop_givs_rescan): Use force_operand to expand
1862 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
1865 * fold-const.c (build_range_check): Use unsigned when signed
1866 overflow is undefined also. If etype is subtype, make sure that
1867 the subtraction is in the supertype.
1869 2005-11-02 Richard Henderson <rth@redhat.com>
1872 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
1875 2005-11-01 Richard Henderson <rth@redhat.com>
1878 * loop.c (scan_loop): Do not propagate computations to a hard
1879 register destination with SMALL_REGISTER_CLASSES.
1881 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
1883 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
1884 costs for MULT inside PLUS or MINUS.
1886 2005-11-01 Bob Wilson <bob.wilson@acm.org>
1888 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
1889 (TRAMPOLINE_SIZE): Round up to 60.
1890 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
1892 2005-10-31 James E. Wilson <wilson@specifix.com>
1895 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
1896 ifdef. Put ifdefs around call in gen_subprogram_die.
1897 (compute_frame_pointer_to_cfa_displacement): Likewise.
1898 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
1901 PR rtl-optimization/17356
1902 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
1903 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
1905 2005-10-31 Jan Hubicka <jh@suse.cz>
1908 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1911 * i386.c (legitimize_pic_address): Deal with large immediates.
1914 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
1915 from symbol names while computing checkup.
1918 * predict.c (predict_loops): Do not estimate more than
1919 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
1920 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
1922 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
1924 PR tree-optimization/19097
1925 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
1927 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
1929 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
1931 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
1934 * tree-inline.c (setup_one_parameter): If the init_stmt
1935 is NULL, don't insert the statement.
1937 2005-10-30 Jan Hubicka <jh@suse.cz>
1939 PR tree-optimization/24172
1940 * tree-inline.c (copy_body_r): Unshare the substituted value first.
1942 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
1944 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
1945 constants for hosts with long != 32 bits.
1947 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
1950 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
1952 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
1954 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
1955 (TARGET_MS1_16_002): New.
1956 (TARGET_MS1_16_003): New.
1958 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
1959 ("*decrement_and_branch_until_zero_no_clobber"): New.
1960 Add corresponding splitter for decrement_and_branch_until_zero
1962 Key all decrement_and_branch_until_zero patterns off of
1965 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
1968 * tree-complex.c (extract_component): Treat RESULT_DECL
1969 like the rest of the decls.
1971 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
1973 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
1974 indirect call to _mcount if the function needs a static chain.
1976 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
1977 Caroline Tice <ctice@apple.com>
1979 PR rtl-optimization/24460
1980 * dwarf2out.c (have_switched_text_sections): New boolean variable.
1981 (dwarf2out_switch_text_section): Set it to true instead of
1982 incrementing separate_line_info_table_in_use.
1983 (output_loc_list): Additionally test have_switched_text_sections.
1984 (output_ranges): Likewise.
1985 (dwarf2out_finish): Likewise.
1986 * varasm.c (assemble_start_function): Do not call
1987 insert_section_boundary_note.
1988 (assemble_end_function): If flag_reorder_blocks_and_partition,
1989 switch to the function's section before emitting the .size directive.
1990 * bb-reorder.c (insert_section_boundary_note): Staticify.
1991 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
1992 * output.h (insert_section_boundary_note): Delete.
1994 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
1997 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
1998 instead of pointer equality when comparing types.
2000 2005-10-24 James E. Wilson <wilson@specifix.com>
2002 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2003 add_dependence_list_and_free calls.
2005 2005-10-24 Steven Bosscher <stevenb@suse.de>
2007 * contrib.texi: Add the names of the LLNL folks who donated
2008 Cray pointer support for gfortran.
2010 2005-10-24 Steven Bosscher <stevenb@suse.de>
2012 PR tree-optimization/24225
2013 * profile.c (branch_prob): Look from end to start through a
2014 basic block when looking for a locus.
2016 2005-10-24 Richard Henderson <rth@redhat.com>
2018 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2020 (hppa_expand_prologue): Likewise.
2022 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2024 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2025 (NO_DEFERRED_PROFILE_COUNTERS): Define.
2026 * pa.h (NO_PROFILE_COUNTERS): Define.
2027 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2028 (funcdef_nos): New vector to hold label numbers of deferred profile
2030 (output_deferred_profile_counters): New function.
2031 (hppa_profile_hook): Push label number onto funcdef_nos.
2032 (pa_hpux_file_end): Call output_deferred_profile_counters if
2033 NO_DEFERRED_PROFILE_COUNTERS is false.
2035 * pa-protos.h (get_deferred_plabel): New prototype.
2036 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
2038 (output_call): Adjust calls.
2040 2005-10-24 Alan Modra <amodra@bigpond.net.au>
2042 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2043 peculiarity of GOT/TOC section usage.
2045 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
2048 * c-common.c (constant_string_class_name): Add documentation.
2050 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
2053 * recog.c (peephole2_optimize): Increment peep2_current_count
2054 only when the slot is empty.
2056 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2059 * except.c (output_function_exception_table): Call
2060 assemble_external_libcall if we need a personality function.
2062 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2064 PR rtl-optimization/24460
2065 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2066 set the basic block for barriers.
2068 2005-10-21 Janis Johnson <janis187@us.ibm.com>
2070 * var-tracking.c (vt_initialize): Initialize post.
2072 2005-10-21 Devang Patel <dpatel@apple.com>
2075 * c-common.c (vector_types_convertible_p): Check vector element type.
2077 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
2079 * config/sh/sh.c (prepare_move_operands): Handle the address
2080 constant which is a tls symbolic address plus a constant.
2082 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
2085 * gcc.c (main): Use the correct counter for erroring out
2086 about mulitple files.
2088 2005-10-21 Alan Modra <amodra@bigpond.net.au>
2091 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2092 use r2 for 64-bit tls .got access.
2094 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
2096 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2099 2005-10-20 Steven Bosscher <stevenb@suse.de>
2101 PR tree-optimization/24307
2102 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2104 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2107 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2109 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2110 is ready, stop marking functions, but still mark variables.
2112 2005-10-20 Richard Guenther <rguenther@suse.de>
2115 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2118 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2120 PR rtl-optimization/23585
2121 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2122 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2123 (may_trap_p_1): New predicate extracted from...
2124 (may_trap_p): ... here. Invoke may_trap_p_1.
2125 (may_trap_or_fault_p): New predicate.
2126 * rtl.h (may_trap_or_fault_p): Declare it.
2127 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2128 instead of may_trap_p.
2129 (steal_delay_list_from_fallthrough): Likewise.
2130 (fill_simple_delay_slots): Likewise.
2131 (fill_slots_from_thread): Likewise.
2132 * function.c (pad_to_arg_alignment): Rework comment about
2133 SPARC_STACK_BOUNDARY_HACK.
2134 * config/sparc/sparc.h: Likewise.
2136 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2138 * config/s390/s390.c (s390_expand_insv): New.
2139 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2140 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2141 ("icm_hi"): Remove mode attribute.
2142 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2144 ("*extracthi", "*extractqi"): Remove.
2145 (extv<mode>", "*extzv<mode>"): New.
2146 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2147 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2149 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2151 * cfgexpand.c (discover_nonconstant_array_refs_r,
2152 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2153 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2154 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2155 discover_nonconstant_array_refs.
2157 2005-10-19 Steven Bosscher <stevenb@suse.de>
2160 * c-decl.c (pop_scope): Don't warn about an unused variable
2161 if it is marked with TREE_NO_WARNING.
2162 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2163 somenow mismatch and olddecl is to be replaced.
2165 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2168 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2169 whether registers live on the edge can be saved/restored.
2171 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2173 * config/sh/sh.c (fixup_mova): Skip notes.
2175 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2177 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2178 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2179 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2180 (s390_initial_elimination_offset): Likewise.
2181 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2182 register on TARGET_ZARCH targets.
2183 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2184 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2185 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2186 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2188 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2190 * config/s390/s390.md: Comment describing output modifiers updated.
2191 * config/s390/s390.c (print_operand): Likewise.
2193 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2195 * config/s390/s390.c (override_options): Added check for -mstack-size
2197 * doc/invoke.texi: Mention that limit in the documenation.
2199 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2202 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2204 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2206 Fix PR tree-optimization/24231
2208 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2209 (compute_avail): Ditto.
2211 2005-10-18 Richard Henderson <rth@redhat.com>
2214 * config/i386/i386.c (legitimate_constant_p): Check
2215 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2217 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2218 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2219 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2221 (print_operand_address): Likewise.
2222 * config/i386/predicates.md (x86_64_immediate_operand): Test
2223 SYMBOL_REF_TLS_MODEL properly inside CONST.
2224 (x86_64_zext_immediate_operand): Likewise.
2225 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2226 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2227 * config/i386/i386-protos.h: Remove predicates.md entries.
2229 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2231 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2232 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2234 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2235 Ian Lance Taylor <ian@airs.com>
2238 * fold-const.c (fold_widened_comparison): Do not allow range based
2239 constant folding when right operand cannot be unwidened.
2241 2005-10-17 Richard Henderson <rth@redhat.com>
2243 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2244 with a memory clobber.
2246 2005-10-17 James E Wilson <wilson@specifix.com>
2248 PR rtl-optimization/17356
2249 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2250 checking for EDGE_EH.
2252 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2254 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2255 the slot on an even boundary for any type with 16-byte alignment.
2257 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2260 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2261 after register allocation.
2263 2005-10-17 DJ Delorie <dj@redhat.com>
2265 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2268 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2271 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2274 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2276 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2277 to 2 if it's already non-zero.
2278 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2279 is set and warn about it if flag_schedule_insns is 1.
2281 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2283 * config/crx/crx.md: Compare-and-branch instructions need to
2286 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2289 * config/i386/i386.md (*pushdi2_rex64 splitter)
2290 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2291 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2292 flow2 pass only when (optimize > 0 && flag_peephole2).
2294 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2297 * gcc.c (have_c): New static variable.
2299 (process_command): Remove declation of have_c.
2300 Set have_o to 1 when handling -o.
2301 (main): Add a fatel error if there are multiple
2302 files specified and -o and -c/-S is passed witout
2303 -combine or multiple languages.
2305 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2307 Fix PR tree-optimization/22444
2308 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2309 Assert that we don't hit something with subvars.
2310 (setup_pointers_and_addressables): Don't add things with subvars,
2311 because we'll already process the subvars for aliasing purposes.
2313 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2316 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2317 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2318 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2319 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2320 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2321 swapped, alternatives for the R constraint.
2324 * builtins.c (get_builtin_sync_mode): Make unlimited
2325 mode_for_size request.
2327 2005-10-15 Richard Henderson <rth@redhat.com>
2329 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2330 (gimplify_expr): ... here.
2331 (gimplify_compound_lval): Use it in initial scan loop. Allow
2332 fb_lvalue in base expression.
2334 2005-10-15 Richard Henderson <rth@redhat.com>
2337 * builtins.c (expand_builtin_trap): Export.
2338 * expr.h (expand_builtin_trap): Declare.
2339 * expr.c (expand_assignment): Emit a trap for integral offsets
2340 from registers that weren't reduced to bitpos.
2342 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2343 (mark_array_ref_addressable): Remove.
2344 * tree-flow.h (mark_array_ref_addressable): Remove.
2345 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2347 2005-10-15 James E Wilson <wilson@specifix.com>
2350 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2351 (add_dependence_list_and_free): Likewise.
2352 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2355 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2359 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2360 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2362 (vrp_visit_phi_node): Only prevent infinite iterations when
2363 the previous result and the new result are both VR_RANGEs.
2365 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2367 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2370 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2373 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2376 2005-10-14 Per Bothner <per@bothner.com>
2378 PR preprocessor/21250
2379 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2381 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2384 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2385 overflow flags. Refactor some conditionals.
2387 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2390 * tree-dfa.c (add_referenced_var): Only look at decls which
2391 have TREE_CONSTANT or TREE_READONLY set instead of if
2392 !TREE_PUBLIC or !TREE_CONSTANT.
2394 2005-10-13 James E Wilson <wilson@specifix.com>
2396 * doc/invoke.texi: For -x, add f95-cpp-input.
2397 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2399 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
2401 PR tree-optimization/24262
2402 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2403 in loop all the time.
2405 2005-10-12 Richard Henderson <rth@redhat.com>
2408 * tree.h (DECL_TRANSPARENT_UNION): Remove.
2409 * function.c (assign_parm_find_data_types): Don't support it.
2410 * print-tree.c (print_node): Likewise.
2411 * c-common.c (handle_transparent_union_attribute): Likewise.
2412 Use build_duplicate_type.
2413 * tree-inline.c (remap_type_1): Split out of remap_type;
2414 properly remap aggregate fields.
2415 (build_duplicate_type): New.
2416 * doc/extend.texi (Variable Attributes): Remove documentation
2417 for transparent_union.
2419 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2422 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2423 (gen_stack_pointer_dec): Likewise.
2425 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
2429 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2431 (struct cxx): Add adjust_class_at_definition target hook.
2432 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2433 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2434 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2435 hook_void_tree. Add to TARGET_CXX.
2436 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2438 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2439 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2440 instead of attribute. Check for dllexport override. Warn if
2441 inconsistent dll linkage. Don't lose old dllimport if decl has
2442 had address referenced. Tweak lookup of dllimport atribute.
2443 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2444 for target specific rules. Don't add dllimport attribute if
2445 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2446 dllimport attribute.
2447 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2448 * varasm.c (initializer_constant_valid_p): Replace
2449 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2453 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2454 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2455 (i[34567]86-*-mingw32*): Likewise.
2457 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2458 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2460 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2461 C++-specific code. Change return value to bool.
2462 (i386_pe_dllimport_p): Likewise.
2463 (associated_type): Simplify and make language-independent
2464 (i386_pe_encode_section_info): Replace override of ambiguous
2465 dllimport symbol refs with a gcc_assert.
2466 (i386_pe_valid_dllimport_attribute_p): Define.
2467 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2468 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2469 i386_pe_adjust_class_at_definition.
2470 * config/i386/winnt-stubs.c: New file. Define stub versions of
2471 lang-specific functions.
2472 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2473 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2474 i386_pe_adjust_class_at_definition.
2475 (i386_pe_valid_dllimport_attribute_p): Declare.
2476 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2477 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2478 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2481 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2482 dllimport attribute with test of DECL_DLLIMPORT_P.
2484 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2486 * combine.c (make_extraction): Correct offset computation.
2488 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2490 * config/cris/t-linux (LIMITS_H_TEST): Define.
2492 2005-10-12 Richard Henderson <rth@redhat.com>
2495 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2497 2005-10-12 Richard Guenther <rguenther@suse.de>
2499 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2501 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2504 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2505 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2508 2005-10-12 Richard Guenther <rguenther@suse.de>
2511 * varasm.c (output_constant): Correct typo from previous
2514 2005-10-11 Ian Lance Taylor <ian@airs.com>
2516 PR rtl-optimization/13931
2517 * combine.c: Revert patch of 2003-05-14, and:
2518 (try_combine): Only set elim_i1 and elim_i2 if the destination is
2519 completely killed in the appropriate insn.
2520 (distribute_notes): Don't skip multiple hard register test for
2521 elim_i1 and elim_i2.
2523 2005-10-11 Richard Henderson <rth@redhat.com>
2526 * c-typeck.c (convert_for_assignment): Use build_constructor_single
2527 to initialize a transparent union instead of a nop_expr.
2529 2005-10-11 Richard Henderson <rth@redhat.com>
2531 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2532 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2533 (tree_ssa_dce_loop): Call scev_reset.
2536 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2537 * tree-ssa-dce.c: Include cfgloop.h.
2538 (tree_ssa_dce_loop, pass_dce_loop): New.
2539 * tree-pass.h (pass_dce_loop): Declare it.
2540 * passes.c (init_optimization_passes): Use it.
2542 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2545 * convert.c (convert_to_real): Revert 2005-10-05 patch.
2546 Only apply the optimization for rounding builtins if the inner
2547 cast is also an extension.
2549 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
2552 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2553 mark_new_vars_to_rename instead of update_stmt.
2555 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
2557 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2559 2005-10-11 Jakub Jelinek <jakub@redhat.com>
2561 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2562 for setting MMX register to 0 rather than mmx.
2564 2005-10-10 Steve Ellcey <sje@cup.hp.com>
2567 * configure.ac: Move gas check from mips specific case to common case.
2568 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2569 * configure: Regenerate
2570 * doc/install.texi: Update.
2572 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2575 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2577 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
2579 * gcc.c (do_spec_1): Accept numeric characters in file name
2582 2005-10-10 Nick Clifton <nickc@redhat.com>
2584 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
2585 describing the deleted arm_gen_rotated_half_load function.
2587 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
2589 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2592 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
2594 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2596 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2597 (EXTRA_MULTILIB_PARTS): Define.
2598 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2599 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2600 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2601 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2602 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2603 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2605 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
2607 PR tree-optimization/24226
2608 * tree-cfg.c (remove_bb): Clean up unreachable loops.
2609 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2610 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2613 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2615 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2617 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
2620 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2621 Rewrite for no need for the early clobber.
2623 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2625 Merge from csl-arm-branch:
2626 2005-09-07 Paul Brook <paul@codesourcery.com>
2627 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2630 2005-04-30 Paul Brook <paul@codesourcery.com>
2631 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2632 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2634 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
2635 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2636 (arm_override_options): Use TARGET_AAPCS_BASED.
2637 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2638 (PTRDIFF_TYPE): Use int for AAPCS.
2639 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2640 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2641 (DEFAULT_SHORT_ENUMS): Delete.
2642 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2644 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
2645 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2646 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2647 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2649 2004-12-03 Mark Mitchell <mark@codesourcery.com>
2650 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2652 2004-11-22 Mark Mitchell <mark@codesourcery.com>
2653 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2655 2004-11-19 Mark Mitchell <mark@codesourcery.com>
2656 * config.gcc (arm*-*-linux-gnueabi): Add it.
2657 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2659 (TARGET_OS_CPP_BUILTINS): Likeiwse.
2660 * config/arm/linux-eabi.h: New file.
2661 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2662 (LINUX_TARET_LINK_SPEC): Likewise.
2663 (LINK_SPEC): Use it.
2664 * config/arm/t-linux-eabi: New file.
2666 2005-10-08 Steven Bosscher <stevenb@suse.de>
2669 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2671 (PARAM_SMS_DFA_HISTORY): Likewise.
2673 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2676 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2677 (load_register_parameters): Call it.
2678 (check_sibcall_argument_overlap_1): Likewise.
2679 (store_one_arg): Likewise.
2681 2005-10-07 James E. Wilson <wilson@specifix.com>
2683 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2684 DImode not VECINT24 for operand 2.
2687 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2691 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2692 fr_spill): Use destination_operand for operand 0.
2694 2005-10-07 DJ Delorie <dj@redhat.com>
2696 * varasm.c (output_constant): Limit error to expanding
2699 2005-10-07 Richard Guenther <rguenther@suse.de>
2702 * fold-const.c (fold_binary): Fix operand types during folding
2703 of X op (A, Y). Evaluation order of the side-effects of
2704 X and A are frontend-defined, so ensure we honour that even for
2705 tcc_comparison class operands; eased by removing duplicate code.
2707 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2709 * stor-layout.c (layout_type): Do not allow alignment of array
2710 elements to be greater than their size.
2712 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2714 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2716 (hppa*-*-linux*): Ditto.
2717 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2718 * config/host-hpux.c: New.
2719 * config/x-hpux: New.
2720 * config/pa/x-hpux: Remove.
2721 * config/pa/x-linux: Remove.
2722 * config/pa/pa-host.c: Remove.
2724 2005-10-07 Jeff Law <law@redhat.com>
2726 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2727 determine whether or not to try and thread outgoing edges.
2729 2005-10-07 David Edelsohn <edelsohn@gnu.org>
2731 * config/rs6000/rs6000.md (eqsi_power): New.
2732 (neg_eq0si): Add TARGET_POWER to final condition.
2735 2005-10-06 Richard Henderson <rth@redhat.com>
2737 * config/rs6000/rs6000.c: Revert last change.
2739 2005-10-06 Richard Henderson <rth@redhat.com>
2741 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2742 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2744 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
2748 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2749 out return_label and naked_return_label.
2751 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2753 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2756 2005-10-06 Richard Henderson <rth@redhat.com>
2759 * tree-inline.c (declare_return_variable): Handle modify_dest not
2762 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2764 Fix PR tree-optimization/22488
2765 * tree-ssa-structalias.c (check_for_overlaps): New function.
2766 (create_variable_info_for): Use it.
2768 2005-10-06 Richard Henderson <rth@redhat.com>
2771 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2772 (dwarf2out_start_source_file): Print it.
2774 2005-10-06 Geoffrey Keating <geoffk@apple.com>
2776 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2778 2005-10-06 Richard Henderson <rth@redhat.com>
2781 * mode-switching.c (optimize_mode_switching): Clear transp bit
2782 for block with incomming abnormal edges.
2784 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2785 (fpscr_set_from_mem): Use them.
2786 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2787 (fpscr postinc splitters): Rewrite as peephole2+split.
2789 2005-10-06 David Edelsohn <edelsohn@gnu.org>
2791 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2792 (eq<mode>_compare): Same.
2794 2005-10-06 Richard Guenther <rguenther@suse.de>
2796 PR tree-optimization/24238
2797 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2799 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
2801 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2802 here. Use AC_PATH_PROG for environment variables instead of
2804 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
2806 * configure: Regenerated.
2808 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
2811 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2812 then force it into a register.
2813 (call_value): Likewise.
2815 2005-10-06 Richard Henderson <rth@redhat.com>
2818 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2819 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
2820 under pass_vectorize.
2822 2005-10-05 Devang Patel <dpatel@apple.com>
2825 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2826 handling constants. Check NAMESPACE_DECL context for constants.
2828 2005-10-05 Eric Christopher <echristo@apple.com>
2830 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2832 2005-10-05 Richard Henderson <rth@redhat.com>
2835 * tree-cfg.c (mark_array_ref_addressable_1): New.
2836 (mark_array_ref_addressable): New.
2837 * tree-flow.h (mark_array_ref_addressable): Declare.
2838 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2840 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
2844 * reload.c (subst_reloads): When adding a REG_LABEL to a
2845 jump instruction, also update JUMP_LABEL.
2847 2005-10-05 David Edelsohn <edelsohn@gnu.org>
2849 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2850 * bb-reorder.c (copy_bb_p): Use it.
2851 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2853 2005-10-05 Richard Henderson <rth@redhat.com>
2856 * toplev.c (process_options): Warn about unsupported combinations
2857 of unwind tables and omit-frame-pointer.
2858 * config/i386/i386.c (override_options): Similarly. Enable
2859 accumulate-outgoing-args if not explicitly disabled.
2861 2005-10-05 Steve Ellcey <sje@cup.hp.com>
2863 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2864 Handle big endian vs. small endian.
2865 (vec_initv2sf): Handle big endian vs. small endian.
2866 (*vec_extractv2sf_1): Ditto.
2868 2005-10-05 Dale Johannesen <dalej@apple.com>
2870 * convert.c (convert_to_real): Don't convert
2871 (float)floor(double d) to floorf((float)d).
2873 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
2875 * config/arm/arm.md (insv): Use gen_int_mode in more places.
2877 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
2879 PR tree-optimization/18587
2880 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
2881 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
2882 build_vuses): Change to VEC type.
2883 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
2884 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
2885 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
2886 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
2887 (get_name_decl): New. Return DECL_UID of base variable.
2888 (operand_build_cmp): New. qsort comparison routine.
2889 (operand_build_sort_virtual): New. Sort virtual build vector.
2890 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
2891 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
2892 (FINALIZE_BASE): Use get_name_decl.
2893 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
2894 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
2895 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
2896 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
2897 direct VEC_* manipulations.
2898 (build_ssa_operands): Call operand_build_sort_virtual.
2899 (copy_virtual_operand, create_ssa_artficial_load_stmt,
2900 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
2901 with direct VEC_* manipulations.
2902 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
2903 with direct VEC manipulations.
2905 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
2907 PR tree-optimization/21419
2908 PR tree-optimization/24146
2909 PR tree-optimization/24151
2911 * c-typeck.c (readonly_error): Handle USE being lv_asm.
2912 (build_asm_expr): Call it if outputs are read-only.
2913 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
2915 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
2916 Paolo Bonzini <bonzini@gnu.org>
2920 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
2921 enable the instructions and not just the built-ins.
2922 * doc/invoke.texi (x86 Options): Likewise.
2924 2005-10-04 Geoffrey Keating <geoffk@apple.com>
2926 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
2928 * doc/invoke.texi (Option Summary): Correct spelling
2929 of -mmacosx-version-min.
2931 2005-10-04 Devang Patel <dpatel@apple.com>
2933 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
2936 2005-10-04 Steve Ellcey <sje@cup.hp.com>
2938 * tree-vect-transform.c (vect_create_epilog_for_reduction):
2939 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
2941 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
2943 * config/s390/s390.md ("TDSI","DP"): New mode macros.
2944 ("TE","tg"): New mode attributes.
2945 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
2946 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
2947 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
2948 dword_mode and one for GPRmode.
2950 2005-10-04 Ian Lance Taylor <ian@airs.com>
2952 PR preprocessor/13726
2953 * c-ppoutput.c (cb_include): Add comments parameter, and print out
2954 any comments passed in.
2956 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2958 * tree.c (annotate_with_file_line): Fix typo.
2960 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2963 * builtins.c (fold_builtin_memcmp): When constructing the pointer
2964 type used to access data in the inlined length == 1 case, use
2965 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
2966 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
2968 2005-10-04 Uros Bizjak <uros@kss-loka.si>
2970 * config/i386/i386.h (TARGET_FISTTP): Enable also for
2971 TARGET_SSE3 and only for TARGET_80387.
2972 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
2973 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
2974 Do not depend on TARGET_80387.
2976 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2978 * tree.c (last_annotated_node): Change type to location_t*.
2979 (annotate_with_file_line): Reflect the change of
2980 last_annotated_node type.
2982 2005-10-04 Richard Guenther <rguenther@suse.de>
2985 * c-decl.c (grokdeclarator): Don't write to fields
2988 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2991 * c-decl.c (finish_decl): Use set_user_assembler_name even for
2993 * varasm.c (make_decl_rtl): If a register variable does not
2994 have a set user assmbler name, error out.
2995 Decode the asmspec is now name+1 bypassing '*'.
2997 2005-10-04 Steven Bosscher <stevenb@suse.de>
2999 PR tree-optimization/23049
3000 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3001 of a COND_EXPR is folded before calling fold on the whole rhs of a
3002 conditional assignment.
3003 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3004 document that a COND_EXPR may appear there.
3006 2005-10-03 Diego Novillo <dnovillo@redhat.com>
3009 * tree-vrp.c (extract_range_from_assert): If the new numeric
3010 range created out of the assertion contradicts the existing
3011 numeric range of the ASSERT_EXPR variable, make the new range
3014 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
3016 * config/sh/sh.c (sh_register_move_cost): Add case for moving
3017 from T_REGS to FP register class.
3019 2005-10-03 Richard Henderson <rth@redhat.com>
3022 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3023 before creating a new one.
3025 2005-10-03 David Edelsohn <edelsohn@gnu.org>
3027 * config/rs6000/t-aix43 (LDFLAGS): New.
3028 * config/rs6000/t-aix52 (LDFLAGS): New.
3030 2005-10-03 Ian Lance Taylor <ian@airs.com>
3032 * gimplify.c (find_single_pointer_decl_1): New static function.
3033 (find_single_pointer_decl): New static function.
3034 (internal_get_tmp_var): For a formal variable, set restrict base
3035 information if appropriate.
3036 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3038 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3039 (DECL_GET_RESTRICT_BASE): Define.
3040 (SET_DECL_RESTRICT_BASE): Define.
3041 (decl_restrict_base_lookup): Declare.
3042 (decl_restrict_base_insert): Declare.
3043 (struct tree_decl_with_vis): Add based_on_restrict_p field.
3044 * tree.c (restrict_base_for_decl): New static variable.
3045 (init_ttree): Initialize restrict_base_for_decl.
3046 (copy_node_stat): Copy restrict base information.
3047 (decl_restrict_base_lookup): New function.
3048 (decl_restrict_base_insert): New function.
3049 (print_restrict_base_statistics): New static function.
3050 (dump_tree_statistics): Call print_restrict_base_statistics.
3052 2005-10-02 Diego Novillo <dnovillo@redhat.com>
3055 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3056 case of anti-ranges.
3058 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
3061 * c-typeck.c (tagged_tu_seen): Rename to ...
3062 (tagged_tu_seen_cache): this and add val field.
3063 (comptypes): Move functional to comptypes_internal
3064 and free tagged_tu_seen.
3065 (comptypes_internal): New function and call comptypes_internal
3066 instead of comptypes. Speed up by sibcalling
3067 tagged_types_tu_compatible_p.
3068 (alloc_tagged_tu_seen): New function
3069 (free_all_tagged_tu_seen_up_to): New function.
3070 (tagged_types_tu_compatible_p): Return the val of the seen two
3072 Add that the two types are the same to tagged_tu_seen_base
3073 if they are and call comptypes_internal instead of comptypes.
3074 <case UNION_TYPE>: Speed up common type where the fields are
3076 (function_types_compatible_p): Call comptypes_internal instead of
3078 (type_lists_compatible_p): Likewise.
3079 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3081 2005-10-02 Matthias Klose <doko@debian.org>
3083 * doc/invoke.texi: Fix typo and speling error.
3085 2005-10-01 Richard Henderson <rth@redhat.com>
3087 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3089 2005-10-01 Mark Mitchell <mark@codesourcery.com>
3091 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3092 using --start-group and --end-group.
3094 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3096 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3097 FIXME note regarding quirky semantics.
3099 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3102 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3103 non-null range as a last resort.
3105 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3106 Diego Novillo <dnovillo@redhat.com>
3109 * tree-vrp.c (extract_range_from_assert): For !=
3110 assertions, only build an anti-range if LIMIT is a
3111 single-valued range.
3113 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3115 * arm.md (movqi): On thumb when optimizing, handle loading from
3116 memory by describing this as taking a subreg of a zero-extended load
3117 into an SImode register.
3120 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3122 * reload1.c (merge_assigned_reloads): Do not change any
3123 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3125 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3127 * Makefile.in (LIPO_FOR_TARGET): Define.
3128 (STRIP_FOR_TARGET): Define.
3130 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3131 before creating new ones. Do symlinks before creating the actual
3134 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3135 to work out which multilibs are actually being built.
3137 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3139 * tree-vect-transform.c, config/ms1/ms1.md,
3140 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3141 Follow spelling conventions.
3142 * doc/invoke.texi, doc/md.texi: Fix typos.
3144 2005-09-30 Andrew Macleod <amacleod@redat.com>
3146 PR tree-optimization/21430
3147 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3148 use operands, and set stmt pointer if need be.
3149 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3150 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3153 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3156 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3158 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3160 * optabs.c (expand_binop): Initialize first_pass_p.
3162 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3165 * c-decl.c (c_write_global_declarations_1): If any
3166 wrapup_global_declaration_2 call returned true, restart the loop.
3168 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3170 Fix PR tree-optimization/24117
3171 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3172 before considering whether to use anyoffset.
3174 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3178 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3180 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3182 (swap_commutative_operands_with_target): New.
3184 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3187 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3190 2005-09-29 Steven Bosscher <stevenb@suse.de>
3192 PR tree-optimization/23911
3193 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3194 and IMAGPART_EXPR too.
3196 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3199 * expmed.c (expand_shift): Move logic to reverse rotation
3200 direction when rotating by constants ...
3201 * optabs.c (expand_binop): ... here.
3202 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3203 (ix86_rotrdi3): New pattern.
3204 (rotldi3): Handle 32-bit mode.
3205 (ix86_rotldi3): New pattern.
3207 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3210 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3211 check for numbers that need no bit twiddle.
3213 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3215 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3216 multilib to be built.
3218 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3219 (stage1-start): Delete old libgcc and libunwind before moving
3220 anything into the stage directory.
3221 (stage2-start): Likewise.
3222 (stage3-start): Likewise.
3223 (stage4-start): Likewise.
3224 (stageprofile-start): Likewise.
3225 (stagefeedback-start): Likewise.
3226 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3227 header in tm_file and CPU-specific t-darwin in tmake_file.
3228 (i[34567]86-*-darwin*): Don't change tm_file.
3229 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3230 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3231 shared library stub for target OS version.
3232 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3233 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3234 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3235 (libgcc_s.%.dylib): New.
3237 (install-darwin-libgcc-stubs): New.
3238 (INSTALL_LIBGCC): New append.
3239 * config/i386/darwin-libgcc.10.4.ver: New.
3240 * config/i386/darwin-libgcc.10.5.ver: New.
3241 * config/i386/t-darwin: New.
3242 * config/rs6000/darwin-libgcc.10.4.ver: New.
3243 * config/rs6000/darwin-libgcc.10.5.ver: New.
3244 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3245 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3247 2005-09-28 Paul Brook <paul@codesourcery.com>
3249 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3252 2005-09-28 Richard Guenther <rguenther@suse.de>
3254 PR tree-optimization/23853
3255 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3256 host_integerp to verify misalignment value.
3258 2005-09-28 Richard Henderson <rth@redhat.com>
3260 * builtins.c (get_builtin_sync_mode): New.
3261 (expand_builtin_sync_operation): Pass in mode argument.
3262 (expand_builtin_compare_and_swap): Likewise.
3263 (expand_builtin_lock_test_and_set): Likewise.
3264 (expand_builtin_lock_release): Likewise.
3265 (expand_builtin): Update to match.
3267 2005-09-28 Nick Clifton <nickc@redhat.com>
3269 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3270 formatting. Add check to PLUS case to ensure that the offset is
3271 within an acceptable range.
3273 * config/v850/v850.md (casesi): Disable the generation of the
3274 switch pattern as it is not being handled properly at the moment.
3276 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3277 for when the high words are identical.
3279 2005-09-27 Richard Henderson <rth@redhat.com>
3281 * pretty-print.c (pp_base_format): Fix typo for %>.
3283 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3284 Devang Patel <dpatel@apple.com>
3286 PR tree-optimization/23625
3287 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3288 LABEL_EXPR, assertion check.
3290 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3292 * optabs.c (no_conflict_move_test): Check if a result of a
3293 to-be-moved insn would be clobbered by an originally
3296 2005-09-27 Jeff Law <law@redhat.com>
3298 * passes.c (init_optimization_passes): Replace copy propagation
3299 passes immediately after DOM with phi-only copy propagation
3300 pases. Add phi-only copy propagation pass after first DOM pass.
3301 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3302 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3303 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3304 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3305 to init_copy_prop. Callers updated.
3306 (do_phi_only_copy_prop): New function.
3307 (pass_phi_only_copy_prop): New pass descriptor.
3309 2005-09-27 Nick Clifton <nickc@redhat.com>
3311 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3313 2005-09-26 Jason Merrill <jason@redhat.com>
3316 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3318 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3320 2005-09-26 James E Wilson <wilson@specifix.com>
3322 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3323 copyright. Add gcc copyright plus libgcc exception.
3324 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3326 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3328 2005-09-26 Jeff Law <law@redhat.com>
3330 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3331 about when to iterate.
3333 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3336 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3337 for __complex__ double in -mcpu=G5 mode.
3339 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3341 PR tree-optimization/23942
3342 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3343 * tree-scalar-evolution.c: Include params.h.
3345 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3346 follow_ssa_edge_in_condition_phi_branch,
3347 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3348 Change return type to t_bool. Use a parameter to limit the size of
3349 trees that are walked before stopping
3350 (analyze_evolution_in_loop): Initialize the limit to 0.
3351 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3352 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3354 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3357 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3358 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3360 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3362 * combine.c (make_extraction): Check for valid use of subreg.
3364 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3367 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3368 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3369 ("fist<mode>2_with_temp"): Use only register operands.
3371 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3373 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3374 CALL_INSN_FUNCTION_USAGE.
3376 2005-09-26 Richard Guenther <rguenther@suse.de>
3379 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3380 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3381 (ldst_entry): Use the hashtable instead of list-walking.
3382 (find_rtx_in_ldst): Likewise.
3383 (free_ldst_entry): Free the hashtable.
3384 (compute_ld_motion_mems): Create the hashtable.
3385 (trim_ld_motion_mems): Remove entry from hashtable if
3386 removing it from list.
3387 (compute_store_table): Likewise^2.
3388 (store_motion): Free hashtable in case we did not see
3391 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
3393 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3394 and arg1 if we are passing them to fold_build2.
3396 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
3399 * config/i386/i386.c (ix86_function_regparm): Fix the test for
3402 2005-09-25 Richard Henderson <rth@redhat.com>
3404 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3405 SYMBOL_REF_TLS_MODEL to be correct.
3407 2005-09-24 Richard Henderson <rth@redhat.com>
3409 * ipa-type-escape.c (discover_unique_type): Remove dead code at
3410 end of function. Reindent.
3412 2005-09-24 Ian Lance Taylor <ian@airs.com>
3414 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3415 NEGATE_EXPR/BIT_NOT_EXPR case.
3417 2005-09-24 Richard Henderson <rth@redhat.com>
3419 * c-common.c (handle_mode_attribute): When not modifying in place,
3420 create subtypes for enumerations.
3421 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3422 * gimplify.c (create_tmp_from_val): Likewise.
3424 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
3426 * config/i386/i386.md (*tls_global_dynamic_64,
3427 *tls_local_dynamic_base_64): Add missing mode to call.
3428 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3430 2005-09-24 Jan Hubicka <jh@suse.cz>
3432 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3433 (cgraph_clone_node): Likewise.
3434 * cgraph.h (cgraph_clone_edge): Update prototype.
3435 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3436 duplicated prototypes; add updating argument.
3437 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3438 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3440 (cgraph_mark_inline_edge): Likewise.
3441 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3442 (cgraph_flatten_node): Likewise.
3443 (cgraph_decide_recursive_inlining): Likewise.
3444 (cgraph_decide_inlining_of_small_function): Likewise.
3445 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3447 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3448 Pete Steinmetz <steinmtz@us.ibm.com>
3450 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3451 (rldic.): Set type to "compare".
3453 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3454 mfjmpr for MFCTR/MFLR.
3455 (movdf_hardfloat64): Same.
3456 (movdf_softfloat64): Same. Correct order of store and move types.
3457 (movti_string): Set type to store_ux/load_ux.
3458 (load_multiple): Set type to load_ux.
3459 (store_multiple): Set type to store_ux.
3460 (movmemsi): Set type to store_ux.
3461 (output_cbranch direct_return): Set type to jmpreg.
3462 (stmw): Set type to store_ux.
3463 (lmw): Set type to load_ux.
3464 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3465 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3466 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3467 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3468 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3469 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3470 (rios1-fpstore): Increase latency to 3.
3471 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3472 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3474 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3475 Andrew Pinski <pinskia@physics.uc.edu>
3477 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3478 operand2 constraint to "b".
3479 (sync_<fetchop_name>di_internal): Same.
3480 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3482 (sync_old_<fetchop_name>di_internal): Same.
3483 (sync_new_<fetchop_name>si_internal): Same.
3484 (sync_new_<fetchop_name>di_internal): Same.
3486 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3489 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3490 case, define as macros.
3492 PR rtl-optimization/23837
3493 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3494 clobber / clobber match between dest and p->first.
3496 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3497 (no_conflict_move_test): Update comments.
3499 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3501 * doc/install.texi: Update URL for Jacks.
3502 * doc/sourcebuild.texi: Likewise.
3504 2005-09-22 David Edelsohn <edelsohn@gnu.org>
3507 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3508 registers when choosing register preferences.
3509 (movdf_hardfloat64): Same.
3511 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
3513 * expmed.c (expand_shift): Don't use the target of the rotate as
3514 target for the first expanded shift insn.
3515 * testsuite/gcc.dg/20050922-1.c: Testcase added.
3517 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
3519 PR tree-optimization/22438
3520 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3521 preserved iv rhs rewriting specially.
3523 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
3525 * tree-data-ref.c (analyze_array_indexes): Only estimate when
3526 estimate_only is true.
3527 * tree-flow.h (ref_contains_indirect_ref): New prototype.
3528 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3529 tree-ssa-structalias.c
3530 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3531 ref_contains_indirect_ref.
3532 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3534 2005-09-21 DJ Delorie <dj@redhat.com>
3536 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3538 (mn10300_return_in_memory): Support variable size types also.
3539 (mn10300_pass_by_reference): Likewise.
3540 (mn10300_function_value): New.
3541 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3542 (FUNCTION_OUTGOING_VALUE): Likewise.
3543 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3544 * doc/invoke.texi: Document it.
3546 2005-09-21 Uros Bizjak <uros@kss-loka.si>
3549 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3550 force integer op1 into register for XFmode compares.
3552 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3555 * expmed.c (alg_code): Add alg_impossible.
3556 (alg_hash_entry): Add cost.
3557 (synth_mult): Record alg_impossible in the hash table if
3558 multiplication by a given integer is impossble within the
3559 limit. Speed up using alg_impossible.
3561 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3563 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3564 argument. Allow and set any offset if needs_anyoffset is passed
3566 (get_constraint_for): Add argument here too.
3568 (do_structure_copy): Pass NULL to get_constraint_for.
3569 (handle_ptr_arith): Ditto.
3570 (find_func_aliases): Ditto.
3572 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
3574 PR rtl-optimization/23898
3575 * output.h (get_attr_min_length): Declare.
3576 * final.c (get_attr_length_1): New function, broken out of:
3578 (get_attr_min_length): New function.
3579 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3580 (duplicate_computed_gotos): Likewise.
3581 * genattr.c (insn_min_length): Generate declaration.
3582 * genattrtab.c (min_fn, min_attr_value): New functions.
3583 (make_length_attrs): Generate insn_min_length.
3585 2005-09-20 Steve Ellcey <sje@cup.hp.com>
3587 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3589 2005-09-20 Richard Henderson <rth@redhat.com>
3591 PR tree-optimization/24059
3592 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3595 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
3597 * c.opt (fextended-identifiers): New.
3598 * c-opts.c (c_common_handle_option): Handle
3599 -fextended-identifiers.
3600 * doc/cpp.texi: Update documentation of extended identifiers.
3601 * doc/cppopts.texi (-fextended-identifiers): Document.
3603 2005-09-20 Jakub Jelinek <jakub@redhat.com>
3605 PR tree-optimization/23929
3606 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3609 PR tree-optimization/23818
3610 * tree-stdarg.c (execute_optimize_stdarg): Call
3611 calculate_dominance_info.
3613 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3615 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3616 (analyze_siv_subscript_cst_affine): Add weak SIV test.
3617 (compute_overlap_steps_for_affine_1_2): Use
3618 get_number_of_iters_for_loop.
3619 (analyze_subscript_affine_affine): Check whether difference is
3621 Use get_number_of_iters_for_loop.
3622 Check whether overlap occurs outside of bounds.
3623 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3625 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
3627 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3628 base register if possible.
3630 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
3632 PR tree-optimization/18463
3633 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3634 converting it directly is not possible.
3635 (chrec_convert_aggressive): New function.
3636 * tree-chrec.h (chrec_convert_aggressive): Declare.
3637 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3638 Fold chrec conversions aggressively if asked to.
3639 (instantiate_parameters): Modified because of changes in
3640 instantiate_parameters_1.
3642 2005-09-19 Richard Henderson <rth@redhat.com>
3644 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3645 (reduc_splus_v2df): New.
3647 2005-09-19 Richard Sandiford <richard@codesourcery.com>
3649 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3650 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
3652 2005-09-19 Richard Henderson <rth@redhat.com>
3654 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3657 2005-09-19 Richard Henderson <rth@redhat.com>
3659 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3660 (ia64_expand_dot_prod_v8qi): New.
3661 * config/ia64/ia64-protos.h: Update.
3662 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3663 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3664 sdot_prodv8qi, sdot_prodv4hi): New.
3665 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3667 2005-09-19 Richard Henderson <rth@redhat.com>
3670 * real.c (exact_real_truncate): Return false if the format cannot
3671 represent the number as a normal.
3673 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3674 for a memory source.
3676 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
3678 * tree-ssa-operands.c (swap_tree_operands): Export.
3679 * tree.h (swap_tree_operands): Declare.
3680 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3681 Call swap_tree_operands.
3683 2005-09-19 Richard Henderson <rth@redhat.com>
3685 * tree-flow.h (merge_alias_info): Declare.
3686 * tree-ssa-copy.c (merge_alias_info): Export.
3687 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3688 (vect_create_data_ref_ptr): Use create_iv directly.
3689 (vectorizable_load): Use correct types for integer constants.
3690 (vect_generate_tmps_on_preheader): Likewise.
3691 (vect_gen_niters_for_prolog_loop): Likewise.
3693 2005-09-19 Steven Bosscher <stevenb@suse.de>
3695 PR rtl-optimization/23943
3696 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3698 2005-09-18 Jan Hubicka <jh@suse.cz>
3700 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3702 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
3704 * varasm.c (output_constant): Do not abort on conversions to union
3705 types between different sizes.
3707 2005-09-18 Richard Guenther <rguenther@suse.de>
3710 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3713 2005-09-18 Paul Brook <paul@codesourcery.com>
3715 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3717 2005-09-17 Richard Henderson <rth@redhat.com>
3719 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3720 * tree-ssa-loop.c (pass_vect_dce): Remove.
3721 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3724 2005-09-17 Richard Henderson <rth@redhat.com>
3726 * tree-pass.h (pass_vect_dce): Declare.
3727 * passes.c (init_optimization_passes): Add it.
3728 * tree-flow.h (tree_ssa_dce): Declare.
3729 * tree-ssa-dce.c (tree_ssa_dce): Export.
3730 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3731 (gate_tree_vectorize): ... here.
3732 (pass_vect_dce): New.
3734 2005-09-17 Jan Hubicka <jh@suse.cz>
3736 * except.c (struct eh_status): Turn region_array into vec.
3737 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3738 convert_from_eh_region_ranges, find_exception_handler_labels,
3739 current_function_has_exception_handlers, assign_filter_values,
3740 build_post_landing_pads, dw2_build_landing_pads,
3741 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3742 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3743 foreach_reachable_handler, can_throw_internal_1,
3744 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3746 (duplicate_eh_region_1): Update region_array.
3747 (duplicate_eh_regions): Resize region_array and avoid recomputing.
3749 2005-09-17 David Edelsohn <edelsohn@gnu.org>
3752 * expmed.c (expand_mult): Substitute simple register for op0 when
3755 2005-09-17 Richard Henderson <rth@redhat.com>
3757 * expr.c (emit_move_via_integer): Add force argument, pass it on
3758 to emit_move_change_mode. Update callers.
3759 (emit_move_complex): Pass true to new force argument.
3760 * function.c (expand_function_end): Move expand_eh_return call
3761 earlier. Merge sub-word complex values into a pseudo before
3762 copying to the return hard register.
3764 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
3766 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3767 between different sizes.
3769 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
3773 * passes.c (init_optimization_passes): Register dump files for
3776 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
3778 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3779 * config/s390/s390.c (s390_overlap_p): New function.
3780 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3781 peephole2, "*xc" peephole2): Added overlap check to the peephole2
3784 2005-09-16 Richard Guenther <rguenther@suse.de>
3786 * ipa-pure-const.c (static_execute): Free auxiliar information.
3787 * ipa-type-escape.c (discover_unique_type): Free temporary key.
3788 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3790 2005-09-15 DJ Delorie <dj@redhat.com>
3792 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3794 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3796 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3798 (swap_commutative_operands_with_target): New.
3800 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
3802 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3805 (estimate_iters_using_array): New function.
3806 * tree-data-ref.h (estimate_iters_using_array): Prototype
3807 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3808 Use estimate_iters_using_array instead of analyze_array.
3810 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
3812 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3815 2005-09-15 Michael Matz <matz@suse.de>
3817 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3819 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
3821 PR tree-optimization/23835
3822 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3823 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3825 2005-09-14 Richard Henderson <rth@redhat.com>
3827 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3828 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3830 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
3832 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3833 in the ARRAY_TYPE case.
3835 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
3837 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3839 2005-09-14 Uros Bizjak <uros@kss-loka.si>
3842 * tree-vect-transform.c (vectorizable_operation): Return false for
3843 scalar shift operations and for vector shift operations with
3844 non-invariant shift arguments. Use scalar tree operand op1 as
3845 a shift operand when vector shift insn pattern uses scalar shift
3847 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3849 2005-09-14 Olivier Hainque <hainque@adacore.com>
3851 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3852 value if it has side-effects.
3854 2005-09-14 David Edelsohn <edelsohn@gnu.org>
3857 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3859 2005-09-14 Alan Modra <amodra@bigpond.net.au>
3861 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3862 passed as NAME as if it were label at start of function code.
3864 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
3866 * config/sh/sh.md (*movv4sf_i): Add general register cases to
3869 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3871 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
3872 as early clobber. Rewrite so the PIC register is not implicitly used.
3874 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3876 * tree.c (annotate_with_file_line): Compare line numbers before
3879 2005-09-13 Uros Bizjak <uros@kss-loka.si>
3882 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
3883 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
3885 2005-09-13 Ian Lance Taylor <ian@airs.com>
3887 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
3888 than a HOST_WIDEST_INT to gen_doloop_begin.
3890 2005-09-13 Diego Novillo <dnovillo@redhat.com>
3892 * tree-dfa.c (dump_variable): Guard against NULL annotations.
3894 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
3896 PR tree-optimize/23817
3897 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
3899 2005-09-13 Alan Modra <amodra@bigpond.net.au>
3902 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
3903 word before changing the stack pointer. Use gen_frame_mem for MEMs.
3904 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
3905 (restore_stack_nonlocal): Likewise.
3906 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
3908 2005-09-12 Ian Lance Taylor <ian@airs.com>
3911 * c.opt (ffriend-injection): New C++ option.
3912 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
3913 (C++ Dialect Options): Document -ffriend-injection.
3915 2005-09-12 Josh Conner <jconner@apple.com>
3918 * ipa-reference.c (static_execute): Don't mark variables in
3919 named sections TREE_READONLY.
3921 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3923 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
3926 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3928 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
3929 V_MUST_DEF instead of just the first_use_p.
3930 Don't mark the virtual variables for renaming on the statement which
3932 (pass_dse): Remove TODO_update_ssa.
3934 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
3937 * stor-layout.c (compute_record_mode): For records with a single
3938 field, actually check the field's mode size against the type size.
3940 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
3941 registers for TARGET_SHMEDIA.
3942 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
3943 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
3944 of GENERAL_REGS and FP_REGS.
3946 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
3948 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
3950 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3952 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
3953 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
3954 are omitted. Exclude stack_tie insn too.
3956 2005-09-11 David Edelsohn <edelsohn@gnu.org>
3958 PR rtl-optimization/23098
3959 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
3961 * config/rs6000/rs6000.md (movdf splitter): Use
3962 const_double_operand predicate for TARGET_POWERPC64.
3963 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
3964 SYMBOL_REF method to ABI_V4.
3966 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
3967 replace_equiv_address.
3968 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
3969 rs6000_sr_alias_set and MEM_NOTRAP.
3970 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
3972 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
3974 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
3975 handle CALL_EXPR again.
3977 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
3979 * arm/predicates.md (alignable_memory_operand): Delete.
3981 2005-09-10 Richard Henderson <rth@redhat.com>
3984 * dbxout.c (dbxout_expand_expr): New.
3985 (dbxout_symbol): Use it.
3987 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
3989 * arm.c (arm_gen_rotated_half_load): Delete.
3990 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
3991 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
3992 (thumb_set_return_address): Likewise.
3993 (thumb_load_double_from_address): Use adjust_address.
3994 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
3995 (extendhsisi2_mem, movhi_bytes): Use change_address.
3996 (movhi): Use widen_memory_access.
3997 (reload_out_df): Use replace_equiv_address.
3998 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4000 2005-09-09 Richard Henderson <rth@redhat.com>
4003 * dbxout.c: Include expr.h.
4004 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4005 (dbxout_symbol): Handle DECL_VALUE_EXPR.
4006 * Makefile.in (dbxout.o): Add EXPR_H.
4008 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
4010 PR tree-optimization/23509
4011 * tree-cfg.c (replace_uses_by): Use replace_exp.
4012 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4013 pointers have name_mem_tag or type_mem_tag set.
4015 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4017 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4018 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4019 of wrongly accessing operands.
4021 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4023 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4024 * tree-chrec.c: Include tree-scalar-evolution.h.
4025 (chrec_convert): Instantiate the base and step before calling
4026 scev_probably_wraps_p that would fail on parametric evolutions.
4027 Collect all the fails into a single section failed_to_convert,
4028 print a diagnostic, and return chrec_dont_know instead of calling
4030 * tree-scalar-evolution.c (loop_closed_phi_def): New.
4031 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4033 (scev_const_prop): Don't replace the definition of a loop closed ssa
4034 phi node by itself, or by another loop closed ssa phi node.
4035 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4036 that base and step are defined.
4038 2005-09-09 Richard Guenther <rguenther@suse.de>
4041 * fold-const.c (fold_ternary): Check truth_value_p before
4042 calling invert_truthvalue.
4044 2005-09-09 Nick Clifton <nickc@redhat.com>
4046 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4047 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4048 dimension of these arrays.
4049 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4051 * longlong.h: Only provide a prototype for the __clz_tab[] array
4052 if this header has not been included from libgcc2.h.
4053 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4055 Provide prototypes for exported functions.
4056 Use the __clz_tab[] and __popcount_tab[] arrays provided by
4059 2005-09-08 Josh Conner <jconner@apple.com>
4063 * expr.c (expand_expr_addr_expr_1): Don't invoke
4064 expand_simple_binop for EXPAND_INITIALIZER.
4066 2005-09-08 Richard Henderson <rth@redhat.com>
4069 * toplev.c (wrapup_global_declaration_1): Split out ...
4070 (wrapup_global_declaration_2): ... from ...
4071 (wrapup_global_declarations): ... here. Return bool.
4072 (check_global_declaration_1): Split out ...
4073 (check_global_declarations): from here.
4074 (emit_debug_global_declarations): New.
4075 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4076 check_global_declaration_1, emit_debug_global_declarations): Declare.
4077 * c-decl.c (c_write_global_declarations_1): Don't create a vector
4078 of decls. Call wrapup_global_declaration_1,
4079 wrapup_global_declaration_2, check_global_declaration_1 directly.
4080 (c_write_global_declarations_2): New.
4082 (c_write_global_declarations): Call c_write_global_declarations_2.
4083 * langhooks.c (write_global_declarations): Call
4084 emit_debug_global_declarations.
4086 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4087 remove decls that have DECL_RTL_SET_P.
4088 * passes.c (rest_of_decl_compilation): Invoke
4089 cgraph_varpool_finalize_decl for all but functions.
4091 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4093 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4094 the result of a conversion if the new min and max cannot be compared.
4096 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
4098 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4099 (override_options): Setting s390_sr_alias_set removed.
4100 (save_fpr, save_gprs): Set alias set to vararg or frame.
4101 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4102 s390_sr_alias_set with get_frame_alias_set ().
4103 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4104 get_varargs_alias_set ().
4106 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4110 * c-parser.c (c_parser_objc_method_definition): If the next
4111 token is not "{", error out and don't start the function.
4113 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4115 * tree-vrp.c (extract_range_from_expr): Move the check for non
4116 nullness after the check for gimple invariant.
4118 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4120 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4122 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4125 * config/m32r.md (movmemsi_internal): Canonicalize order of
4126 operands in PLUS component of template.
4128 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4130 * reload1.c (fixup_eh_region_note): Remove assertion.
4131 (fixup_abnormal_edges): Reverted removal of call to
4132 find_many_sub_basic_blocks made on 2005-08-31.
4134 2005-09-07 Richard Henderson <rth@redhat.com>
4136 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4137 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4138 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4139 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4140 rearrange for better packing.
4141 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4142 (lookup_cfa_1): Remove inline marker.
4143 (cfa_equal_p): Split out of ...
4144 (def_cfa_1): ... here. Use INVALID_REGNUM.
4145 (build_cfa_loc): Handle !cfa->indirect.
4146 (frame_pointer_cfa_offset): New.
4147 (dbx_reg_number): Assert register elimination performed; do
4148 leaf register remapping.
4149 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4150 (eliminate_reg_to_offset): New.
4151 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4152 for verifiably local stack frame addresses; re-base to CFA.
4153 (mem_loc_descriptor): Remove can_use_fbreg argument.
4154 (concat_loc_descriptor, loc_descriptor): Likewise.
4155 (containing_function_has_frame_base): Remove.
4156 (rtl_for_decl_location): Don't do register elimination or
4157 leaf register remapping here.
4158 (secname_for_decl): Split out from ..
4159 (add_location_or_const_value_attribute): ... here.
4160 (convert_cfa_to_loc_list): New.
4161 (compute_frame_pointer_to_cfa_displacement): New.
4162 (gen_subprogram_die): Use them.
4163 * tree.h (frame_base_decl): Remove.
4164 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4165 (prologue_stack_adjust): Remove.
4166 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4167 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4168 (set_frame_base_location): Remove.
4169 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4170 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4171 (vt_add_function_parameters): Don't eliminate_regs.
4172 (vt_initialize): Don't create frame_base_decl.
4174 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4176 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4177 version of GNU binutils for 4.x and later.
4179 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4181 * ggc-page.c (ggc_push_context): Remove.
4182 (ggc_pop_context): Likewise.
4183 * ggc.h (ggc_push_context): Remove.
4184 (ggc_pop_context): Likewise.
4186 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4189 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4190 returning from an interrupt handler.
4192 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4195 * config/arc/arc.c (output_shift): Add check for loop count when
4198 2005-09-06 Steven Bosscher <stevenb@suse.de>
4200 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4202 (abs_replacement): Likewise.
4203 (pass_phiopt): Remove TODO_update_ssa.
4205 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4208 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4209 if "return with no value, in function returning non-void" warning
4211 * tree-cfg.c (execute_warn_function_return): Don't look at
4212 RETURN_EXPRs with TREE_NO_WARNING set.
4215 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4216 for internal functions doesn't use registers used by global registers
4217 variables. Use fewer register parameters if there are global register
4220 2005-09-06 Olivier Hainque <hainque@adacore.com>
4221 Eric Botcazou <ebotcazou@adacore.com>
4224 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4225 when we would be extracting outside its bit span (bitpos+bitsize
4226 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4227 Ada unchecked conversions.
4229 2005-09-06 Steven Bosscher <stevenb@suse.de>
4231 * tree-ssa-pre.c (try_look_through_load): New function.
4232 (compute_avail): Use it to try to look through loads for some
4233 more useful expressions.
4235 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4237 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4238 condition for detecting cases like (a&a) and (a^a).
4240 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4242 * common.opt: Add option ftree-vect-loop-version.
4243 * params.def: Add --param vect-max-version-checks.
4244 * doc/invoke.texi: Document ftree-vect-loop-version and
4245 --param vect-max-version-checks.
4246 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4247 may_misalign_stmts and defines for accessors.
4248 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4249 LOOP_VINFO_MAY_MISALIGN_STMTS.
4250 (destroy_loop_vec_info): VEC_free for
4251 LOOP_VINFO_MAY_MISALIGN_STMTS.
4252 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4253 Update documentation.
4254 (vect_update_misalignment_for_peel): New.
4255 (vect_enhance_data_refs_alignment): Update to choose loop
4256 peeling or loop versioning if appropriate for the (potentially)
4257 unaligned data references in the loop.
4258 (vect_analyze_data_refs_alignment): Remove call to
4259 vect_enhance_data_refs_alignment so the checks can be done
4261 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4262 and move up call to vect_analyze_data_refs_alignment.
4263 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4264 (vect_transform_loop): Add call to loop_version.
4266 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4268 PR rtl-optimization/23098
4269 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4270 * simplify-rtx.c (constant_pool_reference_p): New function.
4271 * rtl.h (constant_pool_reference_p): New prototype.
4272 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4273 constant_pool_reference_p in condition and
4274 avoid_constant_pool_reference in preparation statements.
4276 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4278 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4279 STRICT_LOW_PART SETs.
4281 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4284 * except.c (sjlj_emit_function_enter): Find the function begin
4285 note even when it's not in first basic block.
4287 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4289 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4290 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4291 * aclocal.m4: Regenerate.
4293 2005-09-05 DJ Delorie <dj@redhat.com>
4295 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4298 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4300 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4301 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4302 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4303 Follow spelling conventions.
4304 * doc/invoke.texi: Follow spelling conventions.
4306 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4308 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4309 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4310 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4312 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4315 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4316 (output_stack_adjust): Use gen_tmp_stack_mem.
4317 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4318 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4319 (sh_get_pr_initial_val): Likewise.
4320 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4321 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4322 * sh.md (divsi_inv_m0): Use gen_const_mem.
4323 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4324 (movdf_i4+1): Use gen_tmp_stack_mem.
4325 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4326 (fpu_switch+2): Likewise.
4327 (movv4sf_i, movv16sf_i): Use adjust_address.
4328 (symGOT_load): Set MEM_NOTRAP_P bit.
4330 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4333 * pa.c (emit_move_sequence): Fix typo in last change.
4335 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4337 PR rtl-optimization/23454
4338 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4341 2005-09-03 Richard Henderson <rth@redhat.com>
4342 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4345 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4348 2005-09-02 Nicolas Pitre <nico@cam.org>
4350 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4351 to bit_count to 32 bits.
4353 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4356 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4357 generating synthetic loads from volatile lvalues.
4359 005-09-02 Nick Clifton <nickc@redhat.com>
4361 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4362 __ctzhi2, __clzhi2): New functions.
4364 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4367 * tree-nested.c (struct var_map_elt): Mark with GTY.
4368 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4370 (lookup_field_for_decl): Allocate new element in GC memory.
4371 (lookup_tramp_for_decl): Likewise.
4372 (convert_nl_goto_reference): Likewise
4373 (create_nesting_tree): Allocate info in GC memory. Likewise for
4375 (free_nesting_tree): Free with ggc_free instead of free.
4376 (root): New static variable.
4377 (lower_nested_functions): Remove root as local variable. And zero out
4378 root at the end of the function.
4380 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4382 PR rtl-optimization/20365
4383 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4384 to short. New member ix.
4385 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4386 (simplify_plus_minus): Initialize ix members before calling qsort.
4388 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4390 PR tree-optimization/23626
4391 * tree-cfg.c (replace_uses_by): Clean up eh info.
4393 2005-09-01 DJ Delorie <dj@redhat.com>
4395 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4398 2005-09-01 David Edelsohn <edelsohn@gnu.org>
4400 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4401 (rs6000_split_multireg_move): Use replace_equiv_address instead of
4404 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
4406 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
4407 do not issue warning for a variable definition following
4410 2005-09-01 Richard Henderson <rth@redhat.com>
4413 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4414 conversion to CONST_VECTOR.
4416 2005-09-01 Richard Henderson <rth@redhat.com>
4419 * reload1.c (reload_as_needed): Check !CALL_P before calling
4420 fixup_eh_region_note.
4421 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4423 2005-09-01 DJ Delorie <dj@redhat.com>
4425 * varasm.c (output_constant): Let the target resolve
4426 conversions of addresses to non-default pointer sizes.
4428 2005-09-01 Nicolas Pitre <nico@cam.org>
4430 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4431 to alow matching ARM pre-indexed addressing mode.
4432 (arm_override_options): Remove now irrelevant comment.
4434 2005-09-01 Phil Edwards <phil@codesourcery.com>
4436 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
4437 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
4438 * config/i386/vxworks.h: Likewise.
4439 * config/i386/t-vxworksae: New file, for VxWorks AE.
4440 * config/i386/vxworksae.h: Likewise.
4442 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4444 PR tree-optimization/23410
4445 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4446 sequence is not wrapping during the first step.
4448 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4451 * dwarf2out.c (base_type_die): Compare char_type_node with
4452 TYPE_MAIN_VARIANT (type), not type.
4454 2005-09-01 Richard Guenther <rguenther@suse.de>
4456 PR tree-optimization/15366
4457 * common.opt: Add -finline-functions-called-once.
4458 Put -fearly-inlining in alphabetically ordered place.
4459 * doc/invoke.texi: Document new option.
4460 * ipa-inline.c (cgraph_decide_inlining): Honour
4461 flag_inline_functions_called_once.
4463 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4465 PR rtl-optimization/23478
4466 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4467 (alloc_qty): Initialize it.
4468 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4469 (combine_regs): Combine also n_throwing_calls_crossed fields.
4470 (find_free_reg): Don't attempt to caller-save pseudos crossing
4471 calls that might throw.
4472 * global.c (struct allocno): Add throwing_calls_crossed field.
4473 (global_alloc): Revert 2005-08-22 change. Initialize
4474 throwing_calls_crossed.
4475 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4478 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4481 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4482 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4483 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4484 (and64_2_operand): Tweak to use predicate.
4485 (and_operand): Adjust for mask_operand changes.
4486 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4487 (print_operand): Likewise.
4488 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4489 (mask64_1or2_operand): Delete.
4490 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4491 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4492 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4493 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4494 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4495 (rotldi3_internal4): Likewise.
4496 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4497 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4498 (ashldi3_internal7): Likewise.
4499 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4500 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4501 (anddi3 split): Don't match mask64_operand.
4502 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4503 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4504 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
4505 't' splitter predicate.
4506 (movdi_internal64 + 2): Revert 2005-06-11 change.
4508 2005-08-31 DJ Delorie <dj@redhat.com>
4510 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4511 (m32c_asm_integer): Add support for 32 bit pointers.
4513 2005-08-31 Richard Henderson <rth@redhat.com>
4515 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4516 component-like references for setting MEM_NOTRAP_P.
4518 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4519 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4521 2005-08-31 Richard Henderson <rth@redhat.com>
4523 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4524 into a pseudo before applying gen_lowpart.
4526 2005-08-31 Geoffrey Keating <geoffk@apple.com>
4528 * doc/install.texi (Specific): Update cctools version required
4529 for full functionality.
4530 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4531 linkers as -macosx_version_min.
4533 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4536 * sh.c (print_operand, %R and %S): Add handling of floating point
4537 registers, memory, constants and invalid operands.
4539 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
4541 * ipa-pure-const.c: Change dump name.
4543 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4546 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4547 to "reg_or_0_operand".
4548 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4550 2005-08-31 Dale Johannesen <dalej@apple.com>
4552 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
4553 loops that count down.
4555 2005-08-31 Richard Henderson <rth@redhat.com>
4558 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4559 (fixup_eh_region_note): New.
4560 (reload_as_needed): Call it.
4561 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4562 don't call find_many_sub_basic_blocks; call verify_flow_info.
4563 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4564 (keep_stack_depressed): Likewise.
4565 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4567 2005-08-31 Richard Henderson <rth@redhat.com>
4569 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4572 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
4574 * expr.c (expand_expr_real_1): Compare size of address
4575 mode to target's address mode size in deciding expansion of
4576 the constant address.
4578 2005-08-31 Richard Guenther <rguenther@suse.de>
4581 * expr.c (all_zeros_p): New function.
4582 (expand_expr_real_1): Handle the case of an all-zero
4583 non-addressable constructor separately.
4585 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
4587 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4588 arguments, adjust all callers.
4589 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4591 2005-08-30 Richard Henderson <rth@redhat.com>
4594 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4595 whenever the mode sizes match.
4597 2005-08-31 Alan Modra <amodra@bigpond.net.au>
4599 * calls.c (load_register_parameters): Fix comment typo.
4600 * expr.c (emit_push_insn): Comment formatting.
4602 2005-08-30 Ian Lance Taylor <ian@airs.com>
4604 * config/i386/x-cygwin (host-cygwin): Change dependency from
4605 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4607 2005-08-29 Geoffrey Keating <geoffk@apple.com>
4609 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4612 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4615 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4616 call to ggc_collect.
4618 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
4621 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4622 beginning. Remove $(INCLUDES) from all the rules, if following
4623 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4625 2005-08-29 Jakub Jelinek <jakub@redhat.com>
4628 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4629 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4630 not constant, but maxlen is, don't set len to maxlen, rather
4631 set maxlen to len if len is a constant.
4633 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
4635 PR tree-optimization/23475
4636 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4639 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
4641 Fix PR middle-end/22455
4643 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4644 Checksum only the parts of the tree that exist for the tree code.
4646 2005-08-28 Dale Johannesen <dalej@apple.com>
4648 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
4650 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
4652 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4654 2005-08-28 Richard Henderson <rth@redhat.com>
4656 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4657 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4660 2005-08-28 Jakub Jelinek <jakub@redhat.com>
4663 * builtins.c (get_memory_rtx): Don't strip nops
4664 in between COMPONENT_REFs.
4666 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
4669 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4671 (gimplify_modify_expr): Check for zero sized types and gimplify the
4672 rhs and lhs as statements.
4674 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
4677 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4678 state for return address column of signal frames.
4680 2005-08-27 David Edelsohn <edelsohn@gnu.org>
4683 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4684 bytes >= 2 not bytes == 2.
4685 (expand_block_move): Same.
4687 2005-08-27 Richard Guenther <rguenther@suse.de>
4690 * config/i386/sse.md (sse2_movsd): Add missing closing
4693 2005-08-27 Paul Brook <paul@codesourcery.com>
4695 * genrecog.c (enum decision_type): Add DT_num_insns.
4696 (struct decision_test): Add u.num_insns.
4697 (add_to_sequence): Add DT_num_insns test.
4698 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4699 (write_cond, debug_decision_2): Ditto.
4700 (change_state): Assume peep2_next_insn never fails.
4701 Remove "afterward" argument.
4702 (write afterward, write_tree): Update to match.
4703 * recog.c (peep2_current_count): New variable.
4704 (peep2_next_insn): Check it.
4705 (peephole2_optimize): Set peep2_current_count.
4706 * recog.h (peep2_current_count): Declare.
4708 2005-08-26 Josh Conner <jconner@apple.com>
4711 * ipa-pure-const.c (check_tree): Check for volatile-ness
4712 when considering a dereference.
4714 2005-08-27 Jakub Jelinek <jakub@redhat.com>
4716 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4718 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4720 PR rtl-optimization/23561
4721 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
4722 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4723 at most LEN bytes long memory fits into the field.
4724 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4725 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4726 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4728 2005-08-26 Richard Henderson <rth@redhat.com>
4731 * loop.c (biased_biv_may_wrap_p): New.
4732 (maybe_eliminate_biv_1): Use it to suppress non-equality
4733 comparison transformations. Delete disabled code.
4735 2005-08-26 Ian Lance Taylor <ian@airs.com>
4737 * combine.c (make_extraction): Avoid reference outside object.
4739 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
4741 * stor-layout.c (finalize_type_size): Restore behaviour for
4742 non-aggregate types to the status quo ante of the patch for
4743 pr 23467. Document why it matters.
4745 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4748 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4749 array by one element, initialize the BT_LAST element with NULL.
4751 2005-08-26 David Edelsohn <edelsohn@gnu.org>
4753 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4754 optimizing for size.
4756 (compare_plus_eqsi): Same.
4757 (plus_eqsi_compare): Same.
4758 (neg_eq0<mode>): Same.
4759 (neg_eq<mode>): Same.
4761 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4764 2005-08-26 Nick Clifton <nickc@redhat.com>
4766 * config/v850/v850.c (ep_memory_operand): Return FALSE if
4767 TARGET_EP is not defined.
4768 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4769 TARGET_EP is enabled.
4770 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4771 * config/v850/v850.md (save_all_interrupt): Only use the EP
4772 register if TARGET_EP is defined.
4773 (restore_all_interrupt): Likewise.
4774 * config/v850/lib1funcs.asm: Update functions so that the EP
4775 register is only used if __EP__ is defined.
4777 2005-08-26 David Ung <davidu@mips.com>
4779 * config/mips/mips.c (mips_expand_prologue): Handle case when
4780 generating for MIPS16 and the outgoing argument area is more than
4781 SMALL_OPERAND. Use the frame pointer as temporary to generate the
4784 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
4786 * config/crx/crx.md: Make doloop_end pattern usage controllable
4787 via mloop-nesting=<max-nesting> command line switch. Make sure
4788 the combiner cannot use doloop_end_<mode> in an illegal way.
4789 * config/crx/crx.c: Use regs up to r6 for argument passing.
4790 Refine crx_address_cost (non cst4 displacements are expensive).
4791 * config/crx/crx.opt: Add switch for mloop-nesting=.
4793 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
4795 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4796 (UNSPEC_MVST): New constant.
4798 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
4800 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4801 Reject operands containing eliminable registers.
4802 * testsuite/gcc.dg/20050825-1.c: New testcase.
4804 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4805 Jan Hubicka <jh@suse.cz>
4807 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4809 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4811 PR tree-optimization/23546
4812 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4815 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
4817 * params.def (PARAM_MIN_SPEC_PROB): New.
4818 * sched-rgn.c (MIN_PROBABILITY): Delete.
4819 (compute_trg_info): Convert to PARAM_VALUE.
4820 * doc/invoke.texi (param): Document min-spec-prob.
4822 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
4824 * config/darwin.h: define __PIC__
4825 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4826 TARGET_OS_CPP_BUILTINS macro.
4828 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4830 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4833 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4835 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4837 * cfghooks.c (duplicate_block): Added position where to place
4838 new block as argument.
4839 * cfghooks.h (duplicate_block): Declaration changed.
4840 * cfglayout.c (copy_bbs): Add argument after. Pass it to
4842 * cfglayout.h (copy_bbs): Declaration changed.
4843 * cfgloop.h (loop_version): Declaration changed.
4844 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4845 position to copy_bbs.
4846 (loop_version): Pass position to duplicate_loop_to_header_edge.
4847 Add place_after argument and position new blocks according to
4849 * modulo-sched.c (sms_schedule): Pass place_after argument
4851 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4852 * tree-cfg.c (split_edge_bb_loc): New function.
4853 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4854 to determine position of new blocks.
4855 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4857 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4858 argument to duplicate_block.
4859 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4860 Pass position to copy_bbs.
4862 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4864 * fold-const.c (ptr_difference_const): Use
4865 cst_and_fits_in_hwi instead of host_integerp.
4867 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4869 * config/darwin.c (gen_pic_offset): New.
4870 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
4873 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
4875 PR tree-optimization/23486
4876 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
4878 2005-08-23 Phil Edwards <phil@codesourcery.com>
4880 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
4881 remove use_collect2.
4882 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
4884 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
4885 configuration files to override the default value.
4887 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
4888 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
4889 * config/vx-common.h: New file, split out from...
4890 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
4891 * config/vxworksae.h: New file, for VxWorks AE.
4892 * config/vxworks.opt: New file.
4893 * config/vxlib.c: Update for VxWorks 6.
4895 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
4896 other MULTILIB_* variables appropriately.
4897 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
4898 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
4899 * config/rs6000/vxworks.h: Update for VxWorks 6.
4900 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
4902 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
4905 * config/darwin.c (machopic_select_section): Remove the hack to
4906 mark "::operator new" and "::operator delete" for coalescing
4907 even though they are not weak.
4909 2005-08-24 Alan Modra <amodra@bigpond.net.au>
4911 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4912 * configure: Regenerate.
4914 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4917 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
4919 * convert.c (convert_to_integer, convert_to_vector): Likewise.
4920 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
4923 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4925 * config/rs6000/predicates.md (equality_operator): New.
4926 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
4927 comparison with a large constant.
4929 2005-08-23 Mark Mitchell <mark@codesourcery.com>
4931 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
4933 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
4935 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
4936 registers is even, and we have a hardware double precision fp,
4938 (sh_gimplify_va_arg_expr): For floating point arguments, consider
4939 size of current argument when checking if argument was passed in
4942 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
4945 * stor-layout.c (finalize_type_size): Dont override
4946 existing alignment with a smaller alignment from the mode.
4948 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4950 * lambda-code.c (lambda_vector_lexico_pos): Moved...
4951 * lambda.h (lambda_vector_lexico_pos): ... here.
4952 * tree-data-ref.c (build_classic_dist_vector): Return false when
4953 the distance vector is lexicographically negative.
4955 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4957 PR tree-optimization/23511
4958 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
4959 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
4961 2005-08-23 Jakub Jelinek <jakub@redhat.com>
4963 PR tree-optimization/22043
4964 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
4965 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
4966 If ALLOW_FLEXARR, handle types ending with flexible array member.
4967 Pass false as second argument to recursive count_type_elements calls.
4968 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
4969 argument to count_type_elements call.
4970 * tree-sra.c (decide_block_copy): Likewise.
4971 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
4972 for a constant-sized object, set cleared as well. Pass true as
4973 second argument to count_type_elements call.
4975 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4978 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
4979 from legitimate_small_data_p, and make global. Update use.
4980 Remove forward declaration.
4981 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
4983 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
4985 2005-08-23 David Edelsohn <edelsohn@gnu.org>
4987 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
4988 of scratch intermediates.
4989 (eq<mode>_compare): Same.
4990 (neg_eq0<mode>): New.
4991 (neg_eq<mode>): Convert to define_insn_and_split.
4993 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4996 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
4997 stdarg functions, set/clear the fp marker even when no variable
4999 * config/rs6000/sysv4.opt (mprototype): Describe.
5001 2005-08-22 Jakub Jelinek <jakub@redhat.com>
5003 PR rtl-optimization/23478
5004 * regs.h (reg_info): Add throw_calls_crossed.
5005 (REG_N_THROWING_CALLS_CROSSED): Define.
5006 * flow.c (allocate_reg_life_data): Initialize
5007 REG_N_THROWING_CALLS_CROSSED.
5008 (propagate_one_insn, attempt_auto_inc): Update
5009 REG_N_THROWING_CALLS_CROSSED.
5010 * global.c (global_alloc): Don't allocate pseudos across
5011 calls that may throw.
5013 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
5016 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5017 value is inbetween the range if we did not find an exact match.
5019 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
5021 * doc/invoke.texi (Option Summary): Add ms1 options.
5022 * doc/extend.texi: Document interrupt handler attribute for ms1.
5023 * doc/md.texi: Document ms1 constraints.
5024 * config.gcc: Add ms1-*-elf.
5025 * config/ms1/ms1.h: New.
5026 * config/ms1/ms1.c: New.
5027 * config/ms1/ms1.md: New.
5028 * config/ms1/ms1-protos.h: New.
5029 * config/ms1/ABI.txt: New.
5030 * config/ms1/crti.asm: New.
5031 * config/ms1/crtn.asm: New.
5032 * config/ms1/lib2extra-funcs.c: New.
5033 * config/ms1/t-ms1: New.
5034 * config/ms1/ms1.opt: New.
5036 2005-08-22 Ira Rosen <irar@il.ibm.com>
5038 * config/rs6000/altivec.md (xorv4sf3): New.
5039 (negv4sf2, neg<mode>2): Likewise.
5041 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
5044 * config/ia64/ia64.md (divsi3): Check divide by zero.
5045 (udivsi3): Likewise.
5047 (udivdi3): Likewise.
5049 2005-08-21 Jakub Jelinek <jakub@redhat.com>
5051 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5052 up to elem_bitsize bits, not max_bitsize.
5054 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5056 PR tree-optimization/23433
5057 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5058 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5060 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5062 PR tree-optimization/23434
5063 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5064 the iteration bound is not an INTEGER_CST.
5066 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
5068 * tree-vect-transform.c (get_initial_def_for_reduction): Set
5069 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5070 NULL if need_epilog_adjust is false.
5071 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5072 Case 3 always peels first itration, not just for PLUS case, and no need
5073 to use scalar_initial_def here. Create an epilog adjustment only if
5074 scalar_initial_def is not NULL.
5076 (vectorizable_reduction): Remove assert.
5078 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
5081 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5082 (__moddi3): Likewise.
5083 (__udivdi3): Likewise.
5084 (__umoddi3): Likewise.
5085 (__divsi3): Likewise.
5086 (__modsi3): Likewise.
5087 (__udivsi3): Likewise.
5088 (__umodsi3): Likewise.
5090 2005-08-20 Jakub Jelinek <jakub@redhat.com>
5092 * tree-pass.h (TDF_GRAPH): Define.
5093 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5094 * passes.c (finish_optimization_passes): Only call
5095 finish_graph_dump_file if TDF_GRAPH is set.
5096 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5097 NULL. Set TDF_GRAPH bit.
5098 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5100 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5102 * arm.h (arm_stack_offsets): Add locals_base field.
5103 * arm.c (arm_get_frame_offsets): Compute it.
5104 (thumb_compute_initial_elimination offset): Make the Thumb frame
5105 pointer point to the base of the local variables.
5106 (thumb_expand_prologue): Update accordingly.
5107 (thumb_expand_epilogue): Likewise.
5109 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5110 mode of clobbered scratch to DImode. Handle a case that's known to
5113 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5115 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5116 (gt0<mode>_compare): Delete.
5117 (neg_gt0<mode>): Delete.
5119 2005-08-19 Eric Christopher <echristo@apple.com>
5121 * optabs.h: Change CTI_ to COI_.
5124 2005-08-19 James E Wilson <wilson@specifix.com>
5126 * builtins.c (expand_builtin_return_addr): Set
5127 current_function_accesses_prior_frames when count != 0. Use
5128 frame_pointer_rtx when count == 0.
5129 * function.h (struct function): Add accesses_prior_frames field.
5130 (current_function_accesses_prior_frames): Define.
5131 * reload1.c (init_elim_table): Check
5132 current_function_accesses_prior_frames.
5133 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5135 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5137 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5138 indicator. Return true if the flowgraph changed during
5141 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5144 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5145 conditional expression before testing its value.
5147 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5149 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5151 2005-08-19 Devang Patel <dpatel@apple.com>
5153 PR tree-optimization/23048
5154 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5155 third parameter. Check whether latch is dominated by exit
5157 (if_convertible_loop_p): Supply exit block itself to
5158 if_convertible_bb_p.
5160 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5163 * arm.md (arm_load_pic_register): Change argument to the mask of
5164 saved registers. Call thumb_find_work_register if we need a
5165 scratch register on Thumb.
5166 (arm_expand_prologue): Pass empty register set to
5167 arm_load_pic_register.
5168 (thumb_expand_prologue): Pass live_regs_mask directly to
5169 arm_load_pic_register.
5170 * arm-protos.h (arm_load_pic_register): Update prototype.
5172 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5174 * sh.c (find_sole_member): New function.
5175 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5176 if the record's alignment is larger than the size of its only member.
5178 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5181 * arm.c (thumb_legitimize_reload_address): New function.
5182 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5183 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5185 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5187 * config/crx/crx.c: Implement crx_decompose_address. Reject
5188 symbolic displacements since CRX register relative adressing
5189 mode can't handle unsigned 32-bit values as displacements.
5190 * config/crx/crx.h: Simplify definitions, remove redundant
5191 parenthesis and obsolete macros.
5192 * config/crx/crx.opt: Add new switch for debugging addresses.
5193 * config/crx/crx-protos.h: Add new declarations for above.
5195 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5198 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5201 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5203 * collect2.c (dup2): Delete.
5204 * configure.ac: Don't check for dup2.
5206 * config.in, configure: Regenerate.
5208 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5210 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5211 record with the type of its only member.
5213 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5215 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5216 define_insn_and_split.
5217 (plus_ltu<mode>_compare): Same.
5218 (gtu<mode>_compare): Same.
5219 (plus_gtu<mode>_compare): Same.
5221 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5223 PR tree-optimization/22228
5224 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5226 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5227 are recorded in vect_vnames_to_rename for renaming.
5228 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5229 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5230 in vect_vnames_to_rename.
5231 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5232 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5234 2005-08-18 Jan Hubicka <jh@suse.cz>
5237 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5238 info only for local statics, not for member variables.
5240 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5242 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5244 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5246 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5248 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5251 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5253 2005-08-17 James E Wilson <wilson@specifix.com>
5255 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5258 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5260 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5261 (leu<mode>_compare): Same.
5262 (plus_leu<mode>): Same.
5263 (neg_leu<mode>): Same.
5264 (and_neg_leu<mode): Same.
5265 (ltu<mode>_compare): Same.
5266 (plus_ltu<mode>): Same.
5268 (geu<mode>_compare): Same.
5269 (plus_geu<mode>): Same.
5270 (neg_geu<mode>): Same.
5271 (and_neg_geu<mode>): Same.
5272 (plus_gt<mode>): Same.
5273 (gtu<mode>_compare): Same.
5274 (plus_gtu<mode>): Same.
5276 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5278 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5279 Move call_table_data to end. Delete spurious .text.
5280 (callt_save_all_interrupt): Fix comment typo.
5282 2005-08-17 James E Wilson <wilson@specifix.com>
5283 Kevin Winchester <winchester@amirix.com>
5286 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5288 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5291 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5292 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5294 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5296 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5297 record with the type of its only member if the modes don't match.
5299 * varasm.c (decode_reg_name): Skip empty additional register names.
5301 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5303 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5304 lsm_tmp_name_length): New.
5305 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5306 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5308 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5309 Andreas Krebbel <krebbel1@de.ibm.com>
5311 * config.gcc: Added z9-109 switch.
5312 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5313 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5314 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5315 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5316 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5317 for "z9_109" cpu attribute.
5318 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5319 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5320 (s390_handle_arch_option): Added z9-109 switch.
5321 (override_options): Set respective cost function for z9-109.
5322 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5323 (legitimate_reload_constant_p): Accept extended immediates.
5324 (print_operand): Three new output modifiers added: k, m and o.
5325 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5326 (s390_output_mi_thunk): Use extended immediate when possible.
5327 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5328 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5329 (CONSTRAINT_LEN): Added length of O constraint.
5330 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5331 * config/s390/s390.md ("cpu"): New value z9_109 added.
5332 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5333 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5334 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5335 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5336 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5337 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5338 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5339 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5340 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5341 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5342 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5343 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5344 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5345 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5346 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5348 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5349 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5350 insns for TARGET_EXTIMM.
5352 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5354 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5356 2005-08-17 Nick Clifton <nickc@redhat.com>
5358 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5359 Call default_encode_section_info.
5361 2005-08-17 Steven Bosscher <stevenb@suse.de>
5363 PR tree-optimization/21574
5364 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5365 constant, return CONSTANT.
5366 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5367 (ccp_fold, visit_assignment): Likewise.
5368 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5370 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5372 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5373 fold_buildN instead of buildN then fold_initializer or fold.
5374 (build_unary_op): Likewise.
5375 (build_binary_op): Likewise.
5376 * fold-const.c (fold_initializer): Remove.
5377 (fold_build1_initializer): New function.
5378 (fold_build2_initializer): New function.
5379 (fold_build3_initializer): New function.
5380 * tree.h (fold_initializer): Remove.
5381 (fold_build1_initializer): New function.
5382 (fold_build2_initializer): New function.
5383 (fold_build3_initializer): New function.
5385 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5387 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5388 (try_move_mult_to_index): Call fold_build2 instead of build2.
5389 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5390 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5391 fold_binary_to_constant.
5392 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5394 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5395 check if A == gcd (A, B). Remove TYPE argument.
5396 (analyze_offset) Use fold_build2 instead of fold (build.
5397 (create_data_ref): Likewise.
5398 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5399 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5402 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
5404 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5405 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5407 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
5410 * gimplify.c (zero_sized_type): New function.
5411 (gimplify_modify_expr_rhs): If we have a zero sized type,
5412 replace the statement with an empty statement.
5414 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
5416 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5419 2005-08-16 Ian Lance Taylor <ian@airs.com>
5421 * doc/tm.texi (Label Output): Correct typo.
5423 2005-08-16 Steven Bosscher <stevenb@suse.de>
5426 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5427 force_operand will work later on using have_insn_for.
5429 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5431 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5433 2005-08-16 Ian Lance Taylor <ian@airs.com>
5436 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5437 vector type, don't try to construct it element by element. Add an
5438 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5440 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5442 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5444 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5446 * doc/invoke.texi (Precompiled Headers): Document some more options
5447 which are known to be safe.
5449 2005-08-16 James E Wilson <wilson@specifix.com>
5451 PR tree-optimization/21105
5452 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5453 TREE_OVERFLOW check.
5455 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5457 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5458 (neg_ltu<mode>): Same.
5460 (neg_gtu<mode>): Same.
5462 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5464 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5465 (fold_builtin_isdigit): Use fold_buildN.
5466 (build_function_call_expr): Likewise.
5467 * c-typeck.c (c_finish_loop): Likewise.
5469 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5470 Richard Shann <rshann@superh.com>
5472 PR middle-end/20396:
5473 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5475 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5477 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5479 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5482 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5483 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5486 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5489 * fold-const.c (build_range_check): Disable optimization for function
5490 pointer expressions on targets that require function pointer
5493 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5495 * simplify-rtx.c (simplify_const_relational_operation): When
5496 extracting arguments of a COMPARE, recompute the mode as well.
5498 2005-08-15 Ian Lance Taylor <ian@airs.com>
5500 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5502 2005-08-15 DJ Delorie <dj@redhat.com>
5504 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5506 (movsi_splittable): Allow, but split, moves to the stack.
5507 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5510 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5512 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5513 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5514 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5516 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5517 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5518 Delete HOST_PTR_PRINTF.
5520 * configure, config.in: Regenerate.
5522 2005-08-15 David Edelsohn <edelsohn@gnu.org>
5524 * config/rs6000/rs6000.md (QHSI): New mode macro.
5525 (wd): Extend mode attr for QImode and HImode
5526 (dbits): New mode attr.
5527 (zero_extend<mode>di2): Convert to mode macro.
5529 2005-08-15 Steve Ellcey <sje@cup.hp.com>
5532 * doc/invoke.texi (-mgnu-ld): Update description.
5535 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5538 * Makefile.in (tree-chrec.o): Depends on real.h.
5539 * tree-chrec.c: Include real.h.
5540 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5541 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5542 * tree-scalar-evolution.c (add_to_evolution_1,
5543 interpret_rhs_modify_expr): Ditto.
5545 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5548 * tree-data-ref.c (estimate_niter_from_size_of_data): When
5549 step is negative compute the estimation from init downwards to zero.
5551 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
5553 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5555 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5557 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5559 (legitimate_reload_constant_p): Fix handling of lliXX operands.
5560 Accept double-word constants that can be split.
5561 * config/s390/s390.md ("movti"): Use 'P' constraint.
5562 ("*movdi_31", "*movdf_31"): Likewise.
5564 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
5566 Fix PR tree-optimization/22615
5568 * tree-ssa-structalias.c (solution_set_add): Handle
5569 first_vi_for_offset returning NULL.
5570 (do_da_constraint): Ditto.
5571 (do_sd_constraint): Ditto.
5572 (do_ds_constraint): Ditto
5573 (find_func_aliases): Ditto.
5574 (build_constraint_graph): RHS is allowed be ANYTHING.
5575 (first_vi_for_offset): Return NULL if we couldn't find anything at
5578 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5580 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5581 over memory as first operand.
5583 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
5586 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5587 available for setting it.
5589 2005-08-14 Ira Rosen <irar@il.ibm.com>
5591 PR tree-optimization/23320
5592 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5593 data-refs' types instead of base object nullness. Add check for
5594 pointer type data-refs before first location comparison. Remove
5597 2005-08-14 Andreas Schwab <schwab@suse.de>
5599 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5601 2005-08-13 James E Wilson <wilson@specifix.com>
5603 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5604 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5605 -fstack-protector-all, --param ssp-buffer-size): Document.
5606 (-Wvariadic-macros): Alphabetize.
5607 (-fsched-stalled-insns-dep): Add missing 'f'.
5609 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5612 2005-08-13 David Edelsohn <edelsohn@gnu.org>
5614 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5615 or indirect address operand.
5616 (EXTRA_ADDRESS_CONSTRAINT): New.
5617 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5619 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
5621 PR tree-optimization/22236
5622 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5623 successors and predecessors.
5624 * tree-chrec.c (chrec_convert): Before converting, check that
5625 sequences don't wrap.
5626 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5627 (analyze_array): Extern.
5628 (find_data_references_in_loop): Remove call to
5629 compute_estimated_nb_iterations.
5630 * tree-data-ref.h (analyze_array): Declared.
5631 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5632 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5633 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5634 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5636 * tree-ssa-loop-ivcanon.c: Fix documentation.
5637 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5638 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5639 (infer_loop_bounds_from_undefined): New.
5640 (estimate_numbers_of_iterations_loop): Use
5641 infer_loop_bounds_from_undefined.
5642 (used_in_pointer_arithmetic_p): New.
5643 (scev_probably_wraps_p): Pass an extra parameter. Call
5644 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
5645 (convert_step): Fix documentation.
5646 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5647 Use initial_condition_in_loop_num and evolution_part_in_loop_num
5648 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
5649 scev_probably_wraps_p.
5651 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
5653 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5654 (s390_register_info): Ignore clobbered_regs information for fixed
5655 registers, and only fixed registers.
5656 (s390_init_frame_layout): Remove redundant call.
5658 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
5660 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5661 description of -Wold-style-casts.
5663 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5664 Jakub Jelinek <jakub@redhat.com>
5666 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5667 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5668 * config/s390/s390.c (print_operand): New output modifier 'G' added.
5669 (get_thread_pointer): Renamed to s390_get_thread_pointer.
5670 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5671 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5672 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5673 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5674 ("stack_protect_set", "stack_protect_test"): New expanders.
5675 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5676 "stack_protect_testdi"): New insn definitions.
5678 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5680 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5682 2005-08-12 Paul Brook <paul@codesourcery.com>
5684 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5686 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5688 * config/s390/predicates.md (setmem_operand): New predicate.
5689 (shift_count_operand): Accept ANDs with special constants as
5691 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5692 with special constants.
5693 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5694 shift_count_operand with setmem_operand.
5696 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5698 * config/s390/s390.c (s390_extract_part, s390_single_part):
5700 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5701 (s390_output_mi_thunk): Don't use lg on 31 bit.
5702 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5703 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5705 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5707 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5708 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5709 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5710 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5711 with one of the new macros.
5713 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5715 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5716 Don't set save_return_addr_p.
5717 (s390_register_info): Make clobbered_regs not depending on
5720 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
5722 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5723 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5725 2005-08-11 James E. Wilson <wilson@specifix.com>
5727 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5729 2005-08-11 Jakub Jelinek <jakub@redhat.com>
5731 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5732 locations gathered by var-tracking in single entry loc_list
5733 over loc_descriptor_from_tree.
5735 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5736 pass it down to loc_descriptor.
5737 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5738 (containing_function_has_frame_base): Move earlier in the file.
5739 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5740 instead of always assuming fbreg can't be used.
5742 2005-08-11 David Edelsohn <edelsohn@gnu.org>
5744 * config/rs6000/altivec.md: Change constraint "m" to "Z".
5745 * config/rs6000/predicates.md (indexed_or_indirect_operand):
5746 Accept address wrapped in AND for Altivec.
5747 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5748 Strip AND wrapping offset address for Altivec.
5750 2005-08-11 Richard Henderson <rth@redhat.com>
5753 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5754 before using TYPE_IS_SIZETYPE.
5756 2005-08-11 Richard Henderson <rth@redhat.com>
5759 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5760 insn types not present on ev4.
5761 (alphaev5_insn_pipe): Similarly.
5763 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
5766 * arm.c (arm_override_options): If the user has selected callee-super-
5767 interworking, then enable normal interworking.
5769 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5771 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5774 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
5776 * doc/rtl.texi: Fix two typos.
5778 2005-08-11 Richard Guenther <rguenther@suse.de>
5781 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5782 cases where we call to/from functions returning void.
5784 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
5787 * tree.c (build_pointer_type_for_mode): Robustify.
5789 2005-08-10 James E Wilson <wilson@specifix.com>
5791 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5792 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5794 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5797 2005-08-10 Eric Christopher <echristo@apple.com>
5799 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5800 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5803 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
5806 * config/darwin.c (machopic_indirect_data_reference): Use a new register
5807 for the high part when generating dynamic-no-pic code.
5809 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
5811 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5812 (x86_64-*-linux*): Likewise.
5814 * config/i386/crtfastmath.c: New file.
5815 * config/i386/t-crtfm: Likewise.
5817 * config/i386/linux.h (ENDFILE_SPEC): New.
5818 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5820 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5823 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
5825 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5826 (vec_shl, vec_shr): Document new operations.
5827 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5829 2005-08-10 David Edelsohn <edelsohn@gnu.org>
5831 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5832 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5833 change predicate to indexed_or_indirect_address.
5835 2005-08-10 Richard Sandiford <richard@codesourcery.com>
5837 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5838 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5839 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5840 and __aeabi_uwrite8.
5841 * config/arm/unaligned-funcs.c: New file.
5842 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5844 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
5846 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5848 * cfglayout.c (pass_insn_locators_initialize): Add dump.
5849 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5851 * except.c (pass_convert_to_eh_region_ranges): Add dump.
5852 * final.c (pass_shorten_branches): Add dump.
5853 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5854 (pass_life): Rename dump.
5855 (rest_of_handle_flow2): Remove initial verify_flow_info.
5856 * function.c (pass_instantiate_virtual_regs): Add dump.
5857 * integrate.c (pass_initial_value_sets): Add dump.
5858 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5859 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5860 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5861 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5862 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5863 gate_rtl_unrool_and_peel_loops): New.
5864 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5865 rtl_doloop): Do not look at flags.
5866 * mode-switching.c (pass_mode_switching): Add dump.
5867 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
5868 pass_split_before_regstack): Add dump.
5869 * regmove.c (pass_stack_adjustments): Add dump.
5870 * tree-optimize.c (pass_fixup_cfg): Add dump.
5872 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5875 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
5876 deciding which instruction sequence to use.
5878 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
5880 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
5881 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
5883 2005-08-09 Richard Guenther <rguenther@suse.de>
5885 * c-common.c (builtin_function_2): Remove.
5886 (def_builtin_1): New function.
5887 (c_common_nodes_and_builtins): Use def_builtin_1 to
5888 build builtin functions.
5890 2005-08-09 Jie Zhang <jie.zhang@analog.com>
5892 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
5893 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5894 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
5897 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5899 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
5900 fold_binary instead of fold_build2 since we don't care about the
5902 (loop_niter_by_eval): Likewise.
5903 (compare_trees): Likewise.
5904 (proved_non_wrapping_p): Likewise.
5906 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5910 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5911 if the if is really empty.
5913 2005-08-09 Steven Bosscher <stevenb@suse.de>
5915 PR tree-optimization/23234
5916 * tree-ssa-math-opts.c (place_reciprocal): New enum.
5917 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
5918 argument of the new enum.
5919 (execute_cse_reciprocals): Add reciprocals for function arguments
5920 on the unique successor edge of the entry block. Update other calls
5921 to execute_cse_reciprocals_1.
5923 2005-08-08 Richard Henderson <rth@redhat.com>
5926 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
5928 2005-08-08 Bob Wilson <bob.wilson@acm.org>
5930 * expr.c (write_complex_part): Return after handling MEM.
5932 2005-08-08 Josh Conner <jconner@apple.com>
5934 PR rtl-optimization/23241
5935 * combine.c (simplify_comparison): Fix error in determining
5936 whether to lift a subreg from comparison.
5938 2005-08-08 David Edelsohn <edelsohn@gnu.org>
5941 * config/rs6000/altivec.md (vec_init<mode>): New.
5942 (vec_set<mode>): New.
5943 (vec_extract<mode>): New.
5944 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
5945 (rs6000_expand_vector_set): New.
5946 (rs6000_expand_vector_extract): New.
5947 (rs6000_legitimate_offset_address_p): Offset addresses are valid
5948 for Altivec modes before reload.
5949 (altivec_expand_vec_init_builtin): New.
5950 (get_element_number): New.
5951 (altivec_expand_vec_set_builtin): New.
5952 (altivec_expand_vec_ext_builtin): New.
5953 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
5955 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
5957 * config/rs6000/rs6000.h (rs6000_builtins): Add
5958 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
5959 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
5960 * config/rs6000/rs6000-protos.h: Declare new functions.
5962 2005-08-08 Jan Hubicka <jh@suse.cz>
5964 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
5965 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
5966 * i386.md (movdi*): Use pic_32bit_operand.
5967 * predicates.md (pic_32bit_operand): New.
5969 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
5972 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
5974 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
5976 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
5977 (test_for_singularity): Use fold_build2.
5979 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5981 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
5983 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
5985 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5986 (COMMON_ASM_OP) Define.
5987 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
5988 (ix86_encode_section_info): Likewise.
5989 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
5990 SUBTARGET_ENCODE_SECTION_INFO.
5992 2005-08-06 Richard Henderson <rth@redhat.com>
5995 * tree-nested.c (convert_local_reference): Save and restore val_only
5996 around component_ref and friends. Clear walk_subtrees by default.
5998 2005-08-06 Peter O'Gorman <peter@pogma.com>
6001 * gcc.c (process_command): Check the argument to -b has a dash.
6002 * doc/invoke.texi: Update -b and -V docs.
6004 2005-08-06 James E Wilson <wilson@specifix.com>
6006 * config/mips/cross64.h, config/mips/t-cross64: Delete.
6008 2005-08-06 Michael Matz <matz@suse.de>
6010 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6011 member only if only one insn is associated with the value.
6013 2005-08-06 Nick Clifton <nickc@redhat.com>
6015 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6017 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6018 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6019 Check symbol flags instead of symbol name mangling.
6020 (xstormy16_asm_output_aligned_common): Likewise. Also
6021 simplify code since the bss100_section cass is the only case
6022 where the below100 code will be triggered.
6023 (xstormy16_encode_section_info): Encode below100 attribute
6024 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6026 (xstormy16_strip_name_encoding): Delete - this function is no
6028 (TARGET_STRIP_NAME_ENCODING): Undefine.
6029 * config/stormy16/stormy16-protos.h: Delete prototype for
6030 xstormy16_strip_name_encoding.
6032 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
6034 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6035 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6036 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6037 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6038 config/alpha/predicates.md, config/arc/arc.h,
6039 config/arm/arm.h, config/arm/ieee754-df.S,
6040 config/arm/ieee754-sf.S, config/bfin/bfin.c,
6041 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6042 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6043 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6044 config/m68hc11/m68hc11.h, config/mips/mips.c,
6045 config/mips/mips.h, config/mips/openbsd.h,
6046 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6047 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6048 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6049 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6050 config/sparc/linux.h, config/sparc/linux64.h,
6051 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6052 doc/extend.texi, doc/gcov.texi, doc/install.texi,
6053 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6054 typos. Follow spelling conventions.
6056 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
6059 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6060 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6061 specially. Check for side effects only for COND_EXPR.
6062 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6063 return with TREE_NO_WARNING.
6065 2005-08-06 Richard Sandiford <richard@codesourcery.com>
6067 PR rtl-optimization/23233
6068 * loop.c (combine_movables): Require the modes to be the same.
6069 (move_movables): Remove handling of cases where the replacement
6070 had a different mode to the original.
6072 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
6074 PR tree-optimization/23128
6075 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6076 subtraction wrap, and set TREE_OVERFLOW if they do.
6078 2005-08-05 Richard Henderson <rth@redhat.com>
6081 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6082 FORCED_LABEL labels.
6084 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
6087 * reload.c (find_reloads_subreg_address): Pass down TYPE
6088 unchanged. Change all callers except find_reloads_toplev.
6090 2005-08-05 Michael Matz <matz@suse.de>
6092 * genattrtab.c (current_alternative_string): Remove.
6093 (SIMPLIFY_ALTERNATIVE): Ditto.
6094 (attr_alt_bit_p): Ditto.
6095 (alternative_name): Make const char *.
6096 (evaluate_eq_attr): Remove use of above things.
6097 (simplify_test_exp): Ditto.
6098 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6099 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6101 2005-08-04 James E Wilson <wilson@specifix.com>
6103 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6104 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6105 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6106 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6107 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6109 2005-08-04 Richard Henderson <rth@redhat.com>
6112 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6113 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6114 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6115 if we'd have to instantiate too many members.
6117 2005-08-04 Richard Henderson <rth@redhat.com>
6120 * tree-outof-ssa.c (coalesce_asm_operands): New.
6121 (coalesce_ssa_name): Use it. Split out ...
6122 (coalesce_phi_operands, coalesce_result_decls): ... these.
6124 2005-08-04 Paul Brook <paul@codesourcery.com>
6126 * read-rtl.c (read_quoted_string): Break if EOF.
6128 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6130 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6131 (fold_build2): Likewise.
6132 (fold_build3): Likewise.
6133 (fold_build1_stat): New function prototype.
6134 (fold_build2_stat): Likewise.
6135 (fold_build3_stat): Likewise.
6136 * fold-const.c (fold_build1): Rename to ..
6137 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6138 through to build1_stat.
6139 (fold_build2): Rename to ..
6140 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6141 through to build2_stat.
6142 (fold_build3): Rename to ..
6143 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6144 through to build3_stat.
6146 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6147 Ian Lance Taylor <ian@airs.com>
6149 * function.c (assign_stack_local_1): Do not correct stack slot
6150 address if allocation size is smaller than mode size.
6152 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6155 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6156 (tree_merge_blocks): Propagate anything allowed by
6158 Clarify documentation.
6159 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6160 SSA form, schedule an update if necessary.
6162 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6164 * doc/install.texi (Binaries): Remove broken link to
6165 Sinix/Reliant Unix binaries.
6167 2005-08-03 Richard Henderson <rth@redhat.com>
6170 * function.c (stack_protect_epilogue): Export.
6171 * tree.h (stack_protect_epilogue): Declare.
6172 * calls.c (expand_call): Call it.
6174 2005-08-03 Eric Christopher <echristo@apple.com>
6176 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6177 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6180 2005-08-04 Jan Hubicka <jh@suse.cz>
6182 * profile.c (branch_prob): Split edges with goto locus on them
6183 to get proper line counts.
6184 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6186 2005-08-03 Paul Brook <paul@codesourcery.com>
6188 * function.c (assign_parms): Round current_function_args_size
6189 to PARM_BOUNDARY, not STACK_BOUNDARY.
6191 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6193 * config/i386/i386.c (x86_elf_aligned_common)
6194 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6196 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6198 PR tree-optimization/23157
6199 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6200 before emitting them.
6202 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6204 PR tree-optimization/19899
6205 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6206 * tree-scalar-evolution.c: Include real.h.
6207 (add_to_evolution): Build constant -1 of correct type.
6209 2005-08-03 Jan Hubicka <jh@suse.cz>
6211 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6212 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6213 profile updating for complette unrolling.
6214 * loop-unroll.c (peel_loop_completely): Use it.
6215 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6216 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6219 2005-08-03 Paul Brook <paul@codesourcery.com>
6221 * combine.c (can_change_dest_mode): New function.
6222 (try_combine, simplify_set): Use it.
6224 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6226 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6229 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6231 * doc/install.texi (Specific): Adjust link to openavr.org.
6232 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6233 (Binaries): Adjust HP-UX Porting Center link.
6234 (Binaries): Adjust Free Software Foundation ordering link.
6236 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6238 * convert.c (convert_to_integer): Use fold_build1 instead of
6239 build1 when converting an integer to an integer.
6241 2005-08-02 Richard Henderson <rth@redhat.com>
6243 * combine.c (combine_instructions): Don't use reg_equal/equiv
6244 results if the mode doesn't match.
6246 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6248 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6249 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6251 2005-08-02 Richard Henderson <rth@redhat.com>
6254 * explow.c (memory_address): Remove special-case for
6255 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6257 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6260 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6261 number of calls to cleanup_tree_cfg_1.
6263 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6265 * doc/invoke.texi: document file extensions .F90 and .F95
6267 2005-08-02 Richard Guenther <rguenther@suse.de>
6269 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6270 positive if its first argument is positive.
6272 2005-08-02 Richard Guenther <rguenther@suse.de>
6274 PR tree-optimization/23177
6275 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6278 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6280 PR tree-optimization/23129
6281 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6282 varying for divisions with anti-ranges.
6284 2005-08-02 Jan Hubicka <jh@suse.cz>
6286 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6287 * tree-ssa-threadupdate.c (thread_block): Add it here.
6289 2005-08-01 James E Wilson <wilson@specifix.com>
6291 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6292 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6293 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6295 * config/mips/predicates.md (const_call_insn_operand): Add check for
6296 SYMBOL_REF_LONG_CALL_P.
6297 * doc/extend.texi (long_call): Document the new attribute.
6299 2005-08-01 Ian Lance Taylor <ian@airs.com>
6300 Richard Henderson <rth@redhat.com>
6302 * Makefile.in (RTL_BASE_H): Add real.h.
6303 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6305 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6307 * rtl.c (rtl_check_failed_code_mode): New.
6308 * rtl.h (struct rtx_def): Add u.rv.
6309 (XCMWINT, XCNMPRV): New.
6310 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6311 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6313 2005-08-01 Richard Henderson <rth@redhat.com>
6315 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6316 with auto-inc codes.
6318 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6320 2005-08-01 Jan Hubicka <jh@suse.cz>
6322 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6323 * i386.c: Include dwarf2.h
6324 (asm_preferred_eh_data_format): New.
6325 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6327 2005-08-01 Ian Lance Taylor <ian@airs.com>
6329 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6330 randomize_va_space for virtual address randomization control.
6332 2005-08-01 Steven Bosscher <stevenb@suse.de>
6334 * common.opt (flag_ipa_cp): Put in right place to maintain
6337 2005-08-01 Jan Hubicka <jh@suse.cz>
6339 * profile.c (compute_value_histograms): Fix thinko.
6340 * value-prof.c: Include toplev.h
6341 (check_counter): New function.
6342 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6343 tree_mod_subtract_transform): Add sanity check.
6345 2005-08-01 Richard Guenther <rguenther@suse.de>
6347 PR tree-optimization/23133
6348 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6349 current functions parameter decls to find defs to cse
6352 2005-08-01 Richard Guenther <rguenther@suse.de>
6354 PR tree-optimization/23109
6355 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6356 If trapping math is in effect, use post-dominator information
6357 to check if we'd in any case reach a trapping point before
6358 doing the reciprocal insertion.
6359 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6360 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6361 expressions are invariant only if trapping math is not in effect.
6363 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6365 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6366 cgraph_function_versioning): New declarations.
6367 * cgraphunit.c: Add include to ipa-prop.h.
6368 (update_call_expr, cgraph_copy_node_for_versioning,
6369 cgraph_function_versioning): New functions.
6370 * integrate.c (copy_decl_for_inlining): Remove.
6371 * ipa-prop.h (ipa_replace_map): New struct.
6372 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6373 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6374 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6375 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6376 ipcp_iterate_stage, ipcp_method_scale_print,
6377 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6378 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6379 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6380 ipcp_update_bb_counts, ipcp_update_profiling,
6381 ipcp_update_edges_counts): New functions.
6382 (ipcp_method_cval_init): Remove restriction regarding local methods.
6383 (ipcp_init_stage): Add ipcp_method_compute_scale.
6384 (ipcp_insert_stage): Add versioning.
6385 (ipcp_structures_print): Add ipcp_method_scale_print.
6386 (ipcp_driver): Dump profiling info.
6387 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6388 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6389 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6390 (struct inline_data): Add versioning_p, ipa_info, new fields.
6391 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6392 declare_return_variable): Replace calls to copy_decl_for_inlining with
6394 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6396 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6397 Add argument VERSIONING.
6398 (copy_arguments_for_versioning, copy_static_chain,
6399 function_versionable_p, tree_versionable_function_p,
6400 tree_function_versioning, replace_ref_tree): New functions.
6401 * tree-inline.h: Include varray.h.
6402 (tree_versionable_function_p, tree_function_versioning,
6403 tree copy_decl_for_dup): New declarations.
6405 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6407 * ipa-cp.c: New file. Contains IPCP specific functionality.
6408 * ipa-prop.h: New file. Contains structures/definitions that can be
6409 used by several interprocedural data flow optimizations (and also IPCP).
6410 * ipa-prop.c: New file.
6411 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6412 * common.opt: Add ipa-cp flag.
6413 * timevar.def: Add IPCP optimization.
6414 * tree-optimize.c (init_tree_optimization_passes): Schedule
6416 * tree-pass.h (pass_ipa_cp): Declare.
6418 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
6420 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6421 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6422 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6423 config/i386/i386.c, config/mips/mips.h,
6424 config/rs6000/rs6000.h, config/sh/sh.c,
6425 config/stormy16/stormy16.c: Fix comment typos.
6427 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
6430 * c-typeck.c (build_binary_op): Use common_type wrapper on
6432 (common_type): Update comment.
6434 2005-07-31 Steven Bosscher <stevenb@suse.de>
6437 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6438 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6439 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6441 2005-07-31 Jan Hubicka <jh@suse.cz>
6443 * pretty-print.h (pp_widest_integer): New macro.
6444 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6447 2005-07-31 Jan Hubicka <jh@suse.cz>
6449 * output.h (enum section_category): Export from varasm.c
6450 (categorize_decl_for_section): Likewise.
6451 * varasm.c (enum section_category): Kill.
6452 (categorize_decl_for_section): Make global.
6453 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6455 * i386.c (ix86_section_threshold): New static variable.
6456 (ix86_in_large_data_p, ix86_encode_section_info,
6457 x86_64_elf_unique_section,
6458 x86_64_elf_select_section): New functions.
6459 (TARGET_ENCODE_SECTION_INFO): Define
6460 (override_options): Enable medium model for PIC.
6461 (ix86_expand_prologue): Expand gen_set_got_rex64.
6462 (legitimate_constant_p): Handle new UNSPECs.
6463 (legitimate_pic_address_disp_p): Likewise.
6464 (legitimize_pic_address): Lower MEDIUM model addressing.
6465 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6466 (enum cmodel): Add MEDIUM_PIC.
6467 (SYMBOL_REF_FAR_ADDR_P): New macro.
6468 (SYMBOL_FLAG_FAR_ADDR): New flag.
6469 * i386.md (movdi): Support medium model.
6470 (set_got_rex64): New pattern.
6471 * i386.opt (mlarge-data-threshold): New flag.
6472 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6473 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6474 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6475 TARGET_ASM_UNIQUE_SECTION): New.
6477 * invoke.texi (-mlarge_data_threshold): Document
6479 2005-07-31 Jan Hubicka <jh@suse.cz>
6481 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6482 (coalesce_vars): Likewise.
6483 * tree-ssa-live.c (coalesce_cost): New.
6484 (build_tree_conflict_graph): Use coalesce_cost.
6485 * tree-ssa-live.h (coalesce_cost): Declare.
6487 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6489 * arm.md (all peepholes for post-increment operations): Delete.
6490 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6491 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6492 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6493 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6494 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6496 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6498 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6501 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6504 * doc/invoke.texi: Document -rdynamic.
6506 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
6509 * c-parser.c (c_parser_parms_list_declarator): Call
6510 mark_forward_parm_decls.
6511 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6512 decls with visibility structure.
6514 2005-07-30 Paul Brook <paul@codesourcery.com>
6516 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6518 2005-07-30 Paul Brook <paul@codesourcery.com>
6520 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6522 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6524 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6526 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6529 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6530 nested function declarators.
6531 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6532 (grokparms): Call warn_if_shadowing for parameters used within the
6534 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6535 not used within the parameter list.
6536 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6538 2005-07-30 Jan Hubicka <jh@suse.cz>
6540 * expr.c (expand_expr_real_1): Do not load mem targets into register.
6541 * i386.c (ix86_fixup_binary_operands): Likewise.
6542 (ix86_expand_unary_operator): Likewise.
6543 (ix86_expand_fp_absneg_operator): Likewise.
6544 * optabs.c (expand_vec_cond_expr): Validate dest.
6546 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6549 * real.c (real_from_string): Also set last bit if there is a
6550 nonzero hex digit beyond GCC's internal precision after ".".
6552 2005-07-29 David Edelsohn <edelsohn@gnu.org>
6554 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6555 define_constants. Change duplicate values to unassigned numbers.
6556 Change UNSPEC_SUBS to UNSPEC_VSUBS.
6557 (*altivec_vspltsf): New.
6558 (altivec_vperm_v4sf): Delete.
6559 (altivec_vperm_<mode>): Use mode macro V.
6560 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6561 (altivec_predicate_v4sf): Delete.
6562 (altivec_predicate_<mode>): Use mode macro V.
6563 (*altivec_lvesfx): New.
6564 (*altivec_stvesfx): New.
6565 (vec_realign_load_v4sf): Delete.
6566 (vec_realign_load_<mode>): Use mode macro V.
6567 * config/rs6000/rs6000.c (generate_set_vrsave): Use
6570 2005-07-29 Mark Mitchell <mark@codesourcery.com>
6573 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6575 * configure: Regenerated.
6577 2005-07-29 Paul Brook <paul@codesourcery.com>
6579 * doc/install.texi: Add link to GFortran binaries wiki page.
6581 2005-07-29 David Ung <davidu@mips.com>
6583 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6584 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6585 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6586 * config/mips/mips.md (cpu): Add 5kf name.
6587 (includes): Includes 5k.md.
6588 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6589 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6592 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6595 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6596 (cleanup_tree_cfg): ... here.
6597 Call cleanup_tree_cfg_1 until there are no more cleanups to
6600 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
6602 * tree-vrp.c (compare_range_with_value): Return true or false
6603 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6604 EQ_EXPR respectively.
6606 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
6608 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6611 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6613 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6614 (tree_ssa_dominator_optimize): Increment it.
6615 (dump_dominator_optimization_stats): Print it.
6617 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
6618 Steven Bosscher <stevenb@suse.de>
6620 PR rtl-optimization/23117
6621 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6622 when head == tail. Tidy comment.
6624 2005-07-28 Richard Henderson <rth@redhat.com>
6626 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6627 * cselib.c (rtx_equal_for_cselib_p): Likewise.
6628 * jump.c (rtx_renumbered_equal_p): Likewise.
6629 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6630 CONST_INT and CONST_DOUBLE.
6631 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6632 * reload.c (operands_match_p): Special case CONST_INT and
6633 CONST_DOUBLE; check mode earlier.
6635 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6638 * c-typeck.c (convert_for_assignment): Do not check
6639 DECL_IN_SYSTEM_HEADER on NULL fundecl.
6641 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6644 * c-typeck.c (composite_type): Prefer constant size arrays to
6647 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6650 * real.c (real_from_string): Set last bit if there is a nonzero
6651 hex digit beyond GCC's internal precision.
6653 2005-07-28 Richard Henderson <rth@redhat.com>
6656 * cfgcleanup.c (try_forward_edges): Watch out for end of
6659 2005-07-28 James E Wilson <wilson@specifixinc.com>
6662 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6664 2005-07-28 Jan Hubicka <jh@suse.cz>
6666 * Makefile.in (rtl-profile.o): Kill all traces of it.
6667 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6668 * coverage.h (rtl_coverage_counter_ref): Kill.
6669 * opts.c (flag_speculative_prefetching_set): Kill.
6670 (flag_loop_optimize_set): New.
6671 (common_handle_option): Disable loop optimizer when profiling;
6672 do not handle speculative prefetching.
6673 * passes.c (init_optimization_passes): Replace pass_profiling combo
6674 by branch_prob pass.
6675 * profile.c (compute_value_histograms): Update for simplified value
6677 (rtl_register_profile_hooks): Kill.
6678 (pass_profiling): Kill.
6679 (rest_of_handle_branch_prob): Do not profile.
6680 * toplev.c (process_options): Remove speculative prefetching.
6681 * toplev.h (flag_tree_based_profiling): Kill.
6682 * tree-profile.c (prepare_instrumented_value,
6683 tree_gen_interval_profiler, tree_gen_pow2_profiler,
6684 tree_gen_one_value_profiler, do_tree_profiling): Update for
6685 simplified datastructures.
6686 * value-prof.c: Add comment that speculative prefetching was dropped;
6687 update rest of file for simplified datastructures.
6688 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6689 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6690 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6691 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6692 rtl_mod_subtract, gen_speculative_prefetch,
6693 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6694 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6695 (gate_handle_value_profile_transformations,
6696 rest_of_handle_value_profile_transformations,
6697 pass_value_profile_transformations): Kill.
6698 * value-prof.h (histogram_value_t): Remove IL based unions.
6699 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6700 rtl_profile_hooks): Remove hooks.
6702 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6704 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6705 (cgraph_clone_node): Likewise.
6706 * cgraph.h (cgraph_clone_edge): Update prototype.
6707 (cgraph_clone_node): Likewise.
6708 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6710 (lookup_recursive_calls): Consider profile.
6711 (cgraph_decide_recursive_inlining): Fix updating; use new
6712 probability argument; use profile.
6713 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6714 * tree-inline.c (copy_bb): Update clal of clone_edge.
6715 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6717 * invoke.texi (min-inline-recursive-probability): Document.
6719 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
6721 * doc/install.texi (Configuration): Update Valgrind homepage.
6723 2005-07-28 Richard Henderson <rth@redhat.com>
6726 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6727 labels we want to delete.
6728 (cfg_layout_merge_blocks): Likewise.
6730 2005-07-28 Richard Henderson <rth@redhat.com>
6733 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6734 when expanding to nothing.
6736 2005-07-28 Josh Conner <jconner@apple.com>
6738 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6739 (cgraph_decide_inlining_of_small_functions): Likewise.
6741 2005-07-28 Josh Conner <jconner@apple.com>
6743 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
6744 direction of badness if negative.
6745 (cgraph_default_inline_p): Add reason to parameters, and assign it
6747 (cgraph_decide_inlining_of_small_functions): New parameter in call
6748 to cgraph_default_inline_p.
6749 (cgraph_decide_inlining_incrementally): Likewise.
6750 * cgraphunit.c (decide_is_function_needed): Likewise.
6751 * cgraph.h (cgraph_default_inline_p): Likewise.
6753 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6755 * builtins.c: Fix comment typo(s).
6756 * genautomata.c: Likewise.
6757 * gimplify.c: Likewise.
6758 * tree-dfa.c: Likewise.
6759 * tree-flow-inline.h: Likewise.
6760 * tree-into-ssa.c: Likewise.
6761 * tree-ssa-alias.c: Likewise.
6762 * tree-ssa-ccp.c: Likewise.
6763 * tree-ssa-copy.c: Likewise.
6764 * tree-ssa-dce.c: Likewise.
6765 * tree-ssa-dom.c: Likewise.
6766 * tree-ssa-operands.c: Likewise.
6767 * tree-tailcall.c: Likewise.
6768 * tree-vectorizer.c: Likewise.
6769 * tree-vrp.c: Likewise.
6772 2005-07-28 Jeff Law <law@redhat.com>
6774 * tree-vrp.c (test_for_singularity): Extracted from ...
6775 (simplify_cond_using_ranges): Attempt to simplify a relational
6776 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
6778 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
6780 PR tree-optimization/22506
6781 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6782 phis whose argument is constant.
6784 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
6786 PR rtl-optimization/18992
6787 Back out this patch:
6788 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6789 PR optimization/12142
6790 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6791 uses of the register in the SET_SRC. Remove unnecessary argument.
6793 Replace it with this:
6794 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6795 if flag_non_call_exceptions is set and the insn may trap, pass
6796 pc_rtx as dest for recursion.
6797 In SET_SRC part of SET case, if dest is already set, pass it down
6800 2005-07-28 Jan Hubicka <jh@suse.cz>
6802 * cfg.c (update_bb_profile_for_threading): Use RDIV.
6803 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6804 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6806 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6807 profile when available.
6809 2005-07-28 Jan Beulich <jbeulich@novell.com>
6811 * config/ia64/ia64.c (ia64_load_pair_ok): New.
6812 (ia64_print_operand): Describe and handle 'X'.
6813 (ia64_register_move_cost): Also handle FP_REGS.
6814 (ia64_preferred_reload_class): Likewise.
6815 (ia64_secondary_reload_class): Likewise.
6816 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6817 it. Also check for ITANIUM_CLASS_FLDP.
6818 * config/ia64/ia64.h (FP_REGNO_P): New.
6819 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6820 (reg_class): Add FP_REGS.
6821 (REG_CLASS_NAMES): Adjust for it.
6822 (REG_CLASS_CONTENTS): Likewise.
6823 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6824 (REG_CLASS_FROM_LETTER): Handle 'x'.
6825 (CLASS_MAX_NREGS): Handle FP_REGS.
6826 (MEMORY_MOVE_COST): Likewise.
6827 * config/ia64/ia64.md (itanium_class): Add fldp.
6828 (type): Handle fldp.
6829 (movti_internal): More allowable operand combinations. Use ldfp8 when
6830 splitting unnecessary. Remove predicable attribute. Adjust
6831 itanium_class attribute.
6832 (smuldi3_highpart): Remove outdated comment.
6833 (mulditi3, umulditi3, rotlti3): New expanders.
6834 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6835 (absti2): Disabled new insn for future reference.
6836 Respective new splitters.
6837 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6838 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6839 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6841 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
6843 PR rtl-optimization/23047
6844 * simplify-rtx.c (simplify_const_relational_operation): Respect
6845 flag_wrapv for comparisons with ABS.
6847 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
6849 PR tree-optimization/22493
6850 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6851 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6853 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
6855 * config/frv/frv.opt (moptimize-membar): New.
6857 * doc/invoke.texi: Document -moptimize-membar and its inverse.
6859 * config/frv/frv.h: Remove machine_function definition.
6861 * config/frv/frv.c (struct frv_io): New.
6862 (struct machine_function): Moved from frv.h. Add has_membar_p.
6863 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6864 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6865 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6866 (frv_optimize_membar_global, frv_optimize_membar): New functions.
6867 (frv_reorg): Call frv_optimize_membar when appropriate.
6868 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
6869 (frv_expand_builtin): Adjust calls accordingly.
6870 (frv_io_address_cookie): New function.
6871 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
6872 load or store rather than a special insn. Add ccnstant address and
6873 io-type operands to the membar.
6874 (frv_ifcvt_modify_tests): Unsign regno.
6875 (frv_ifcvt_modify_tests): Same.
6877 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
6878 UNSPEC_OPTIONAL_MEMBAR constant.
6879 (builtin_read_<mode>): Delete.
6880 (builtin_write_<mode>): Delete.
6881 ("optional_membar_<mode>"): Add operand.
6883 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
6884 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
6885 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
6886 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
6887 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
6888 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
6889 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
6890 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
6891 * testsuite/gcc.target/frv/all-read-write-1.c: New.
6893 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
6895 * df.c (df_uses_record): Handle SCRATCH.
6897 2005-07-28 Steven Bosscher <stevenb@suse.de>
6900 * passes.c (rest_of_decl_compilation): If decl is a type and
6901 we have encountered errors, don't emit debug information.
6903 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6905 * params.def: Fixed comment.
6907 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
6910 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6911 (TARGET_ASM_UNALIGNED_HI_OP): Add.
6912 (TARGET_ASM_UNALIGNED_SI_OP): Add.
6914 2005-07-27 Steven Bosscher <stevenb@suse.de>
6917 * varasm.c (assemble_start_function): Don't do anything that may
6918 require a CFG if the current function is a thunk.
6920 2005-07-25 Geoffrey Keating <geoffk@apple.com>
6922 * doc/install.texi (Prerequisites): Mention that perl is needed
6923 to do export control in libstdc++ targetting Darwin.
6925 2005-07-27 Steven Bosscher <stevenb@suse.de>
6927 PR rtl-optimization/17808
6928 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
6929 (sched_insns_conditions_mutex_p): Split out from...
6930 (add_dependence): ...here. But don't call it from here.
6931 (add_dependence_list): Check sched_insns_conditions_mutex_p
6932 before calling add_dependence.
6933 (add_dependence_list_and_free): Likewise.
6934 (fixup_sched_groups): Likewise.
6935 (sched_analyze_1): Likewise.
6936 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
6937 (sched_analyze): Likewise.
6938 (sched_analyze_insn): Likewise.
6939 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6940 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
6941 dependencies on all COND_EXEC insns to jumps ending basic blocks
6942 when doing intrablock scheduling.
6943 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
6945 2005-07-27 Jeff Law <law@redhat.com>
6947 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
6948 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
6949 equivalency sets, correctly handle the case were vr0 has an
6950 equivalency set, but vr1 does not.
6952 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
6954 PR tree-optimization/23073
6955 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
6956 vect_print_dump_info before fprintf.
6958 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6960 PR tree-optimize/22348
6961 * tree-ssa-loop-niter.c (number_of_iterations_cond):
6962 Fold the partial computation.
6964 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6966 PR tree-optimization/22325
6967 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
6969 * tree-scalar-evolution.c (scev_const_prop): Add generic final
6971 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
6972 (force_var_cost): ... this function.
6973 (compute_phi_arg_on_exit): Export.
6975 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6977 PR tree-optimization/20773
6978 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
6981 2005-07-27 Richard Guenther <rguenther@suse.de>
6983 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
6984 Avoid pushing again if current struct contains only
6985 fields we decomposed.
6987 2005-07-27 Jan Hubicka <jh@suse.cz>
6989 PR tree-optimization/22574
6990 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
6993 * tree-tailcall.c (decrease_profile): New function.
6994 (eliminate_tail_call): Use it.
6996 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
6997 visibility flags correctly in whole program mode.
6999 2005-07-26 Steve Ellcey <sje@cup.hp.com>
7001 PR rtl-optimization/22472
7002 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7004 2005-07-26 Steven Bosscher <stevenb@suse.de>
7006 PR tree-optimization/22504
7007 * tree-complex.c (expand_complex_addition): Use 'code' instead
7008 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7010 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7012 * config.gcc (cpu_type): Add frv case.
7013 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7014 (supported_defaults): Add fr550 case.
7016 2005-07-26 Diego Novillo <dnovillo@redhat.com>
7019 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7020 whether a pointer of type T * may point to objects of type T *.
7022 2005-07-26 DJ Delorie <dj@redhat.com>
7024 * configure: Regenerate.
7026 2005-07-26 Dale Johannesen <dalej@apple.com>
7028 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
7030 2005-07-26 Mark Mitchell <mark@codesourcery.com>
7032 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7033 Clarify use of "build" in name.
7035 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7037 * doc/extend.texi (Raw read/write Functions): New section.
7038 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7039 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7040 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7041 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7042 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7043 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7044 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7045 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7046 * config/frv/frv.c: Add bdesc_loads global.
7047 Add bdesc_stores global.
7048 (frv_init_builtins): Add support for __builtin_{read/write}*.
7049 (frv_volatile_memref): New.
7050 (frv_expand_load_builtin): New.
7051 (frv_expand_store_builtin): New.
7052 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7053 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7054 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7055 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7056 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7057 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7058 (builtin_read_<mode>): New.
7059 (builtin_write_<mode>): New.
7060 (builtin_write64): New.
7061 (optional_membar_<mode>): New.
7063 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
7065 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7066 (rather than units) against HOST_BITS_PER_WIDE_INT.
7068 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
7070 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7071 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7072 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7073 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7076 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7077 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7078 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7080 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7082 2005-07-26 Richard Guenther <rguenther@suse.de>
7084 PR tree-optimization/22486
7085 * fold-const.c (fold_unary): Fold away useless component
7086 references of the form (T *)&T.x, if the address
7089 2005-07-25 James E Wilson <wilson@specifixinc.com>
7091 * dwarf2out.c (add_call_src_coords_attributes): New.
7092 (gen_inlined_subroutine_die): Call it.
7093 (maybe_emit_file, init_file_table): Add comments.
7094 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7096 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7097 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7098 * tree.h (BLOCK_SOURCE_LOCATION): New.
7099 (struct tree_block): New field locus.
7101 2005-07-26 Andreas Schwab <schwab@suse.de>
7103 PR rtl-optimization/23043
7104 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7105 when allocating a struct unoccr.
7107 2005-07-25 Richard Henderson <rth@redhat.com>
7110 * tree-complex.c (gate_no_optimization): True if errors.
7111 * Makefile.in (tree-complex.o): Update dependencies.
7113 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7115 * config/frv/predicates.md (integer_register_operand): Use
7118 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7121 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7123 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7125 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7127 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7128 types when flag_unsafe_math_optimizations is true.
7130 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7132 * gcc.c (option_map): Add --sysroot.
7133 (process_command): Handle --sysroot.
7134 (display_help): Document it.
7135 * doc/cppopts.tex (-isysroot): Document.
7136 * doc/invoke.texi (--sysroot): Document.
7137 * doc/install.texi (--with-build-sysroot): Document.
7139 * Makefile.in (inhibit_libc): New variable.
7140 (INHIBIT_LIBC_CFLAGS): Likewise.
7141 (LIBGCC2_CFLAGS): Include
7142 $(INHIBIT_LIBC_CFLAGS).
7143 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7144 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7145 ($(T)crtend.o): Likewise.
7146 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7147 ($(T)crtendS.o): Likewise.
7148 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7149 ($(T)crtendT.o): Likewise.
7150 (stmp-fixinc): Do not complain about missing headers if
7152 * configure.ac (inhibit_libc): Set it to true/false.
7153 (--with-build-sysroot): New option. Use it to set
7155 * configure: Regenerated.
7157 2005-07-25 Manfred Hollstein <mh@suse.com>
7159 * calls.c (store_one_arg): Fix unsigned comparison warning.
7161 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7164 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7165 (ggc_print_statistics): Initialize variable before use.
7167 2005-07-25 Richard Guenther <rguenther@suse.de>
7169 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7170 calling with a PHI_NODE argument.
7172 * tree-flow-inline.h (overlap_subvar): Protect against
7175 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7177 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7178 * configure: Regenerate.
7180 2005-07-25 Ira Rosen <irar@il.ibm.com>
7182 * expr.c (highest_pow2_factor): Make extern.
7183 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7184 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7185 record_array_differ_p, array_ptr_differ_p): Likewise.
7186 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7187 additional cases. Call the above functions.
7188 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7189 base_object_differ_p when there are two base objects. Otherwise, compare
7190 base address and offset. Call may_alias_p.
7191 (dump_data_reference): Use a correct field name.
7192 (analyze_array): Make static. Initialize new data-ref fields.
7193 (analyze_indirect_ref): New function.
7194 (init_data_ref): Initialize new data-ref fields.
7195 (strip_conversion): Moved from tree-vect-analyze.c.
7196 (analyze_offset_expr, get_ptr_offset, address_analysis,
7197 object_analysis): Likewise.
7198 (analyze_offset): New function.
7199 (create_data_ref): Likewise.
7200 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7201 dimensions for ARRAY_REFs only.
7202 (build_classic_dist_vector): Make static.
7203 (access_functions_are_affine_or_constant_p): Call macro to get the
7204 address of access functions.
7205 (compute_all_dependences): Add new parameter
7206 compute_self_and_read_read_dependences. Compute self and read-read
7207 dependences if it is true.
7208 (find_data_references_in_loop): Call create_data_ref. Initialize new
7210 (compute_data_dependences_for_loop): Add new parameter
7211 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7212 compute nb_loops. Call compute_all_dependences,
7213 build_classic_dist_vector and build_classic_dir_vector with correct
7215 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7216 with correct parameters. Compare dimensions for ARRAY_REFs only.
7217 (free_data_refs): Call macro to free access functions.
7218 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7219 fields from stmt_vinfo.
7220 (struct base_object_info): New structure.
7221 (struct data_reference): Move fields to base_object_info. Add fields
7222 first_location and object_info for above structures. Move fields from
7223 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7224 aligned_to. Add macros to access the new fields.
7225 Update functions declarations.
7226 * tree-flow.h (is_aliased_with): Declare.
7227 * tree-loop-linear.c (linear_transform_loops): Call
7228 compute_data_dependences_for_loop with correct parameters.
7229 * tree-ssa-alias.c (is_aliased_with): New function.
7230 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7231 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7232 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7233 vect_base_addr_differ_p, compute_subscript_distance and
7234 build_classic_dist_vector. Add printings. Check absolute value of
7236 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7238 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7239 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7240 to bytes. Add printing.
7241 (vect_compute_data_refs_alignment): Go through loads and stores in one
7243 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7244 vect_analyze_data_ref_access): Likewise.
7245 (vect_analyze_pointer_ref_access): Remove.
7246 (vect_address_analysis, vect_object_analysis): Likewise.
7247 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7248 and analyze data-refs in the loop.
7249 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7250 fields of data-ref instead of stmt. Add init to the offset from the
7252 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7253 (vect_update_init_of_dr): Likewise.
7254 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7255 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7257 (new_loop_vec_info): Initialize new fields.
7258 (destroy_loop_vec_info): Free new fields.
7259 (vect_strip_conversion): Remove.
7260 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7261 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7262 datarefs. Add new field ddrs.
7263 Add macros for the new fields access.
7264 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7265 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7266 Remove their macros.
7267 * tree.h (highest_pow2_factor): Declare.
7269 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7271 * calls.c (store_one_arg): Check for sibling call MEM arguments
7272 from already clobbered incoming argument area.
7274 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7276 * c-common.c (check_missing_format_attribute): New.
7277 * c-common.h (check_missing_format_attribute): Likewise.
7278 * c-typeck.c (convert_for_assignment): Use it.
7280 2005-07-24 Andreas Schwab <schwab@suse.de>
7282 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7283 register use a word move. Correct operand of ext.w in 68000 code.
7285 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7287 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7288 variables as declarations, rather than definitions.
7290 2005-07-24 Ira Rosen <irar@il.ibm.com>
7292 PR tree-optimization/22526
7293 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7296 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7298 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7299 that C99 reserve for future use. Use it to define clog10,
7300 clog10f and clog10l.
7302 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7304 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7305 * configure.ac: Check for -Wmissing-format-attribute.
7307 * configure: Regenerate.
7309 2005-07-23 Richard Henderson <rth@redhat.com>
7311 PR tree-optimization/22623
7312 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7314 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7317 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7319 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7321 * Makefile.in (C_TREE_H): Update dependencies.
7322 * c-tree.h: Include toplev.h.
7323 * diagnostic.h (diagnostic_set_info): Add format attribute.
7324 * rtl-error.c (diagnostic_for_asm): Likewise.
7326 2005-07-23 Chao-ying Fu <fu@mips.com>
7328 * config/mips/mips-dsp.md: New file.
7329 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7330 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7332 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7333 MIPS_BUILTIN_BPOSGE32.
7334 (mips_expand_builtin_direct): Add one parameter to indicate that
7335 builtin functions need to return a value.
7336 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7338 (mips_regno_to_class): Add classes for 12 new DSP registers.
7339 (mips_subword): Change to check four HI registers.
7340 (mips_output_move): Output move to and from 6 new DSP accumulators.
7341 (override_options): Make sure -mdsp and -mips16 are not used together.
7342 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7344 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7346 (print_operand): Add 'q' for printing DSP accumulators.
7347 (mips_cannot_change_mode_class): Check ACC_REGS.
7348 (mips_secondary_reload_class): Check ACC_REGS.
7349 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7350 (mips_register_move_cost): Check ACC_REGS.
7351 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7352 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7353 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7354 (dsp_bdesc): New array.
7355 (bdesc_arrays): Add DSP builtin function table.
7356 (mips_prepare_builtin_arg): Check predicate again after
7358 (mips_expand_builtin): Add one more parameter to
7359 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7360 MIPS_BUILTIN_BPOSGE32.
7361 (mips_init_builtins): Initialize new function types.
7362 (mips_expand_builtin_direct): Check if builtin functions need to
7363 return a value and pass operands properly.
7364 (mips_expand_builtin_bposge): New function.
7365 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7366 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7367 (FIRST_PSEUDO_REGISTER): Increase to 188.
7368 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7369 Update for 12 new DSP registers.
7370 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7371 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7372 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7373 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7374 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7375 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7376 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7377 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7378 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7379 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7380 (REGISTER_NAMES): Add names for 12 new DSP registers.
7381 * config/mips/mips.md: Include mips-dsp.md.
7382 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7383 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7384 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7385 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7386 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7387 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7388 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7389 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7390 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7391 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7392 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7393 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7394 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7395 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7396 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7397 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7398 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7399 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7400 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7401 (UNSPEC_RDDSP): New constants.
7402 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7403 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
7405 * config/mips/mips.opt (-mdsp): New option.
7406 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7407 (reg_imm10_operand): New predicates.
7408 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7409 * doc/invoke.texi (-mdsp): Document new option.
7411 2005-07-22 DJ Delorie <dj@redhat.com>
7413 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7415 * tree-inline.c (inlinable_function_p): Likewise.
7417 2005-07-22 Mark Mitchell <mark@codesourcery.com>
7420 * toplev.c (check_global_declarations): Do not mark undefined
7421 variables as DECL_IGNORED_P.
7422 * varasm.c (first_global_object_name): GTY it.
7423 (weak_global_object_name): Likewise.
7424 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7425 a string to go into {weak,first}_global_object_name.
7427 2005-07-22 DJ Delorie <dj@redhat.com>
7429 * c-format.c (check_function_format): Change warning control
7430 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7432 2005-07-22 Diego Novillo <dnovillo@redhat.com>
7434 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7435 &PTR->FLD a dereference of PTR.
7436 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7437 a potential dereference of PTR.
7439 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7441 PR rtl-optimization/20370
7442 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7443 call allocate_reg_info if necessary.
7445 PR rtl-optimization/21848
7446 * calls.c (emit_library_call_value_1): For const functions, add
7447 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7449 PR rtl-optimization/22445
7450 * cselib.c (target.h): Include.
7451 (rtx_equal_for_cselib_p): Allow commutative matches.
7452 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7453 Remove MODE parameter. Changed all callers.
7455 PR rtl-optimization/22258
7456 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7458 (try_combine): Use likely_spilled_retval_p.
7460 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7462 * config.gcc: Add crx-elf support.
7464 * doc/contrib.texi: Mention crx.
7465 * doc/extend.texi: Document crx extensions.
7466 * doc/install.texi: Document crx install.
7467 * doc/invoke.texi: Document crx options.
7468 * doc/md.texi: Document crx constraints.
7470 * config/crx/crx-protos.h: New file.
7471 * config/crx/crx.c: New file.
7472 * config/crx/crx.h: New file.
7473 * config/crx/crx.md: New file.
7474 * config/crx/crx.opt: New file.
7475 * config/crx/t-crx: New file.
7477 2005-07-22 Manfred Hollstein <mh@suse.com>
7479 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7481 (int_add_graph_edge): Likewise.
7482 (collapse_nodes): Likewise.
7483 (process_unification_queue): Likewise.
7485 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7486 Laurent GUERBY <laurent@guerby.net>
7488 PR tree-optimization/22336
7489 * function.c (record_block_change): Check for
7490 cfun->ib_boundaries_block.
7492 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7494 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7495 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7497 2005-07-21 DJ Delorie <dj@redhat.com>
7499 * toplev.c (warn_deprecated_use): Add warning control to warning
7501 * c-typeck.c (parser_build_binary_op): Likewise.
7502 (c_finish_if_stmt): Likewise.
7503 * c-common.c (check_function_sentinel): Likewise.
7504 (check_nonnull_arg): Likewise.
7506 2005-07-21 Richard Henderson <rth@redhat.com>
7509 * tree-complex.c (complex_ssa_name_components): New.
7510 (cvc_lookup): Allow entry not found.
7511 (create_components): Remove.
7512 (create_one_component_var, get_component_var): New.
7513 (get_component_ssa_name, set_component_ssa_name): New.
7514 (extract_component): Use get_component_ssa_name.
7515 (update_complex_components): Use set_component_ssa_name.
7516 (update_complex_components_on_edge): Likewise.
7517 (update_phi_components): Create new PHI nodes directly, instead
7518 of adding insns to edges.
7519 (tree_lower_complex): Allocate and free complex_variable_components
7520 and complex_ssa_name_components here.
7522 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
7524 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7525 revert to returning false.
7527 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7530 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7532 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7535 * config/i386/i386.md (cmpxf): Change operand constraints
7536 to "nonmemory_operand".
7538 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7540 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7542 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7545 * fold-const.c (fold_build1): Add checksum for the operands.
7546 (fold_build2): Likewise.
7547 (fold_build3): Likewise.
7549 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7552 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7554 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7556 * common.opt (-fforward-propagate): Committed by mistake,
7559 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7561 * reg-stack.c: Fix comment typo(s).
7562 * tree-ssa-operands.c: Likewise.
7563 * tree-vectorizer: Likewise.
7565 2005-07-21 Nick Clifton <nickc@redhat.com>
7567 * config/sh/symbian.c: Replace C++ style line comments with C
7568 style line comments.
7569 (symbian_add_attribute): Do not use a ? operator on the LHS of
7571 (sh_symbian_handle_dll_attribute): Change the type of the
7572 method vector to "VEC(tree,gc)*" and use vector accessor
7573 macros to walk over the elements.
7574 (symbian_export_vtable_and_rtti_p): Likewise.
7575 (symbian_class_needs_attribute_p): Likewise.
7577 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7580 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7581 initialize targetm.resolve_overloaded_builtin here.
7582 (altivec_expand_overloaded_builtin): Make it non-static.
7583 * config/rs6000/rs6000-protos.h
7584 (altivec_expand_overloaded_builtin): New prototype.
7585 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7586 targetm.resolve_overloaded_builtin here.
7587 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7589 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7590 Zdenek Dvorak <dvorakz@suse.cz>
7592 PR tree-optimization/19210
7593 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7595 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7596 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7597 rely on unproven assumptions.
7598 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7599 * tree-flow.h (number_of_iterations_exit): Add final parameter.
7600 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7601 to number_of_iterations_exit.
7602 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7603 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7604 * tree-ssa-loop-niter.c (find_loop_niter,
7605 estimate_numbers_of_iterations_loop): Likewise.
7606 (number_of_iterations_exit): Honor the new options.
7607 * doc/invoke.texi (Wunsafe-loop-optimizations,
7608 funsafe-loop-optimizations): Document them.
7610 2005-07-21 Richard Sandiford <richard@codesourcery.com>
7612 PR rtl-optimization/22167
7613 * gcse.c (hoist_code): Fix hoist_exprs[] check.
7615 2005-07-20 Adam Nemet <anemet@lnxw.com>
7617 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7618 __do_global_dtors_aux longcall.
7620 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
7622 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7623 (old_special_pred_table): Don't reference
7624 SPECIAL_MODE_PREDICATES.
7625 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7626 * config/arc/arc.h: Don't mention PREDICATE_CODES.
7627 * config/sh/predicates.h: Don't mention
7628 SPECIAL_MODE_PREDICATES.
7629 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7632 2005-07-20 DJ Delorie <dj@redhat.com>
7634 * config.gcc: Add m32c-elf support.
7636 * doc/contrib.texi: Mention m32c.
7637 * doc/extend.texi: Document m32c extensions.
7638 * doc/install.texi: Mention m32c.
7639 * doc/invoke.texi: Document m32c options.
7640 * doc/md.texi: Document m32c constraints.
7642 * config/m32c/addsub.md: New file.
7643 * config/m32c/bitops.md: New file.
7644 * config/m32c/cond.md: New file.
7645 * config/m32c/jump.md: New file.
7646 * config/m32c/m32c-lib1.S: New file.
7647 * config/m32c/m32c-lib2.c: New file.
7648 * config/m32c/m32c-modes.def: New file.
7649 * config/m32c/m32c-pragma.c: New file.
7650 * config/m32c/m32c-protos.h: New file.
7651 * config/m32c/m32c.abi: New file.
7652 * config/m32c/m32c.c: New file.
7653 * config/m32c/m32c.h: New file.
7654 * config/m32c/m32c.md: New file.
7655 * config/m32c/m32c.opt: New file.
7656 * config/m32c/minmax.md: New file.
7657 * config/m32c/mov.md: New file.
7658 * config/m32c/muldiv.md: New file.
7659 * config/m32c/predicates.md: New file.
7660 * config/m32c/prologue.md: New file.
7661 * config/m32c/shift.md: New file.
7662 * config/m32c/t-m32c: New file.
7664 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7666 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7667 (stack_protect_set, stack_protect_test): New expanders.
7668 (stack_protect_set_si, stack_protect_set_si_media,
7669 stack_protect_set_di_media, stack_protect_test_si,
7670 stack_protect_test_si_media, stack_protect_test_di_media):
7673 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
7675 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7677 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
7679 * tree.h (tree_expr_nonzero_p): Export.
7680 * fold-const.c (tree_expr_nonzero_p): Likewise.
7681 Return true for CALL_EXPRs that are alloca calls.
7682 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7684 * tree-flow.h (expr_computes_nonzero): Remove.
7685 * tree-vrp.c (expr_computes_nonzero): Remove.
7686 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7687 (extract_range_from_unary_expr): Likewise.
7688 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7689 tree_expr_nonzero_p.
7691 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
7693 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7694 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
7695 extra arg "picreg" and use it instead of pic_offset_table_rtx.
7696 All callers changed.
7697 (frame_related_constant_load): New arg "related" which controls
7698 setting of RTX_FRAME_RELATED_P. All callers changed.
7699 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7700 (bfin_expand_prologue): Add stack limit checking.
7701 * config/bfin/bfin.md (trapifcc): New pattern.
7703 * config/bfin/bfin.c: Include "langhooks.h".
7704 (def_builtin): Go through lang_hooks to call builtin_function.
7706 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7707 * config/bfin/predicates.md (symbol_ref_operand): New.
7708 (call_insn_operand): Delete. All callers changed to use
7709 register_no_elim_operand.
7710 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7712 (function_arg): Use it to generate the call's operand 2.
7713 (bfin_longcall_p): New function.
7714 (bfin_expand_call): Extra arg "cookie". All callers and declaration
7715 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
7716 determine if the address needs to be in a REG.
7717 (bfin_handle_longcall_attribute): New function.
7718 (bfin_attribute_table): Add "longcall" and "shortcall".
7719 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7720 (CUMULATIVE_ARGS): New member call_cookie.
7721 (PREDICATE_CODES): Add symbol_ref_operand.
7722 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7723 extra USE to the pattern.
7724 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7725 New patterns, split off call_insn, sibcall_insn, call_value_insn and
7726 sibcall_value_insn; now the new patterns handle direct calls and the
7727 old ones indirect calls.
7728 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7730 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
7732 * doc/trouble.texi: Update section on handling of empty loops.
7734 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
7736 * config.gcc: Remove support for sparc-*-openbsd*,
7737 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7739 * config.host: Remove support for i860-*-sysv4* as a host.
7740 * config/i860/*, config/ip2k/*, config/ns32k/*,
7741 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7742 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7743 mention obsolete ports.
7745 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7747 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7749 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7750 of frame_pointer_rtx.
7751 (sh_expand_epilogue): Likewise.
7752 (sh_set_return_address): Likewise.
7753 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7754 instead of FRAME_POINTER_REGNUM if needed. Add elimination
7755 offsets from FRAME_POINTER_REGNUM.
7756 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7757 (sh_register_names): Add initializer for sfp.
7758 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7759 (VALID_REGISTER_P): Likewise.
7760 (FIRST_PSEUDO_REGISTER): Update.
7761 (DWARF_FRAME_REGISTERS): Define.
7762 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7763 (HARD_FRAME_POINTER_REGNUM): Define.
7764 (FRAME_POINTER_REGNUM): Redefine.
7765 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7766 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
7767 from FRAME_POINTER_REGNUM.
7768 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7769 FRAME_POINTER_REGNUM.
7770 (REG_CLASS_CONTENTS): Add sfp.
7771 (REG_ALLOC_ORDER): Likewise.
7772 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
7773 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7774 of frame_pointer_rtx.
7775 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7777 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
7779 * fold-const.c (tree_expr_nonnegative_p): Only return true for
7780 ABS_EXPR when flag_wrapv is false because of INT_MIN.
7781 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7783 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7786 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
7788 Make CONSTRUCTOR use VEC to store initializers.
7789 * c-common.c (complete_array_type): Update to cope with VEC in
7791 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7792 (pp_c_constructor_elts): New function.
7793 * c-pretty-print.h (pp_c_constructor_elts): Declare.
7794 * c-typeck.c (build_function_call, build_c_cast, digest_init,
7795 struct constructor_stack, struct initializer_stack,
7796 constructor_elements, push_init_level, pop_init_level,
7797 add_pending_init, find_init_member, output_init_element): Update to
7798 cope with VEC in CONSTRUCTOR_ELTS.
7799 * coverage.c (build_fn_info_value, build_ctr_info_value,
7800 build_gcov_info): Likewise.
7801 * expr.c (categorize_ctor_elements_1, store_constructor,
7802 expand_expr_real_1): Likewise.
7803 * fold-const.c (fold_ternary): Likewise.
7804 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7805 gimplify_init_constructor, gimplify_expr): Likewise.
7806 * tree-dump.c (dequeue_and_dump): Likewise.
7807 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7809 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7811 * tree-sra.c (generate_element_init_1): Likewise.
7812 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7813 * tree-ssa-operands.c (get_expr_operands): Likewise.
7814 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7815 * tree-vect-transform.c (vect_get_vec_def_for_operand):
7816 (get_initial_def_for_reduction): Likewise.
7817 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7818 value handle in annotations.
7819 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7820 tree_node_structure): Add support for constr_kind.
7821 (build_vector_from_ctor, build_constructor_single,
7822 build_constructor_from_list): New functions.
7823 (build_constructor): Update to take a VEC instead of a TREE_LIST.
7824 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7825 Update to cope with VEC in CONSTRUCTOR_ELTS.
7826 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7827 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7828 CONSTRUCTOR_APPEND_ELT): New macros.
7829 (struct constructor_elt, struct tree_constructor): New data types.
7830 (union tree_node): Add tree_constructor field.
7831 * treestruct.def: Define TS_CONSTRUCTOR.
7832 * varasm.c (const_hash_1, compare_constant, copy_constant,
7833 compute_reloc_for_constant, output_addressed_constants,
7834 initializer_constant_valid_p, output_constant,
7835 array_size_for_constructor, output_constructor): Update to cope with
7836 VEC in CONSTRUCTOR_ELTS.
7837 * vec.h (VEC_empty, VEC_copy): New macros.
7839 2005-07-19 Devang Patel <dpatel@apple.com>
7841 * dbxout.c (dbxout_type): Check Objective-C++ lang.
7843 2005-07-19 Richard Henderson <rth@redhat.com>
7846 * gimplify.c (gimplify_expr): Use main variant type for the temp
7847 destination for a discarded volatile read.
7848 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7849 casts between non-void types that change volatility.
7851 2005-07-15 DJ Delorie <dj@redhat.com>
7853 * toplev.h: Add comment about the first parameter for warning().
7854 * errors.h: Likewise.
7856 * c.opt (Wpragmas): New.
7857 * doc/invoke.texi: Document it.
7859 * function.c (do_warn_unused_parameter): Add warning control to
7861 * c-decl.c (warn_if_shadowing): Likewise.
7862 * c-lex.c (cb_def_pragma): Likewise.
7863 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7864 (pop_alignment): Likewise.
7865 (handle_pragma_pack): Likewise.
7866 (apply_pragma_weak): Likewise.
7867 (handle_pragma_weak): Likewise.
7868 (handle_pragma_redefine_extname): Likewise.
7869 (add_to_renaming_pragma_list): Likewise.
7870 (handle_pragma_extern_prefix): Likewise.
7871 (maybe_apply_renaming_pragma): Likewise.
7872 (handle_pragma_visibility): Likewise.
7874 * config/c4x/c4x-c.c (BAD): Likewise.
7875 (c4x_parse_pragma): Likewise.
7876 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
7877 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
7878 (rs6000_pragma_longcall): Likewise.
7879 * config/v850/v850-c.c (pop_data_area): Likewise.
7880 (ghs_pragma_section): Likewise.
7881 (ghs_pragma_section): Likewise.
7882 (ghs_pragma_interrupt): Likewise.
7883 (ghs_pragma_starttda): Likewise.
7884 (ghs_pragma_startsda): Likewise.
7885 (ghs_pragma_startzda): Likewise.
7886 (ghs_pragma_endtda): Likewise.
7887 (ghs_pragma_endsda): Likewise.
7888 (ghs_pragma_endzda): Likewise.
7890 2005-07-19 Danny Berlin <dberlin@dberlin.org>
7891 Kenneth Zadeck <zadeck@naturalbridge.com>
7893 * Makefile.in: Removed tree-promote-statics.c
7894 * tree-promote-statics.c: Removed.
7895 * common.opt: Removed flag-promote-statics.
7897 * passes.c: Removed tree-promote-statics pass.
7898 * tree-pass.h: Ditto.
7899 * timevar.def: Removed TV_PROMOTE_STATICS.
7902 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
7904 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
7906 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
7908 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7911 * c-common.c (check_function_arguments): Call
7912 'check_function_format' if either -Wformat or
7913 -Wmissing-format-attribute are specified.
7914 * c-format.c (check_function_format): Check -Wformat before
7915 calling 'check_format_info'.
7916 * c-opts.c (c_common_post_options): Don't warn for
7917 -Wmissing-format-attribute without -Wformat.
7918 * c-typeck.c (convert_for_assignment): Detect additional cases for
7919 -Wmissing-format-attribute.
7920 * doc/invoke.texi (-Wmissing-format-attribute): Document new
7923 2005-07-19 Richard Guenther <rguenther@suse.de>
7925 * config/i386/i386.md (lrint<mode>2): Use temporary
7926 instead of clobbering non-existent memory.
7928 2005-07-19 Nick Clifton <nickc@redhat.com>
7930 * config/avr/avr.c (legitimate_address_p): Fix debugging print
7931 statement to avoid displaying ASCII control characters.
7933 2005-07-19 Ben Elliston <bje@au.ibm.com>
7935 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
7936 * cfganal.c (find_edge_index): Ditto.
7937 * combine.c (combine_instructions): Ditto.
7938 * ddg.c (create_scc): Ditto.
7939 (find_successors): Ditto.
7940 (find_predecessors): Ditto.
7941 (find_nodes_on_paths): Ditto.
7942 (longest_simple_path): Ditto.
7943 * flow.c (update_life_info): Ditto.
7944 (count_or_remove_death_notes): Ditto.
7945 (clear_log_links): Ditto.
7946 * modulo-sched.c (generate_reg_moves): Ditto.
7947 (find_max_asap): Ditto.
7948 (find_max_hv_min_mob): Ditto.
7949 (find_max_dv_min_mob): Ditto.
7950 * sbitmap.c (sbitmap_first_set_bit): Ditto.
7951 * sched-rgn.c (extract_edgelst): Ditto.
7952 * tree-into-ssa.c (prepare_names_to_update): Ditto.
7953 (dump_update_ssa): Ditto.
7954 (ssa_names_to_replace) Ditto.
7955 (switch_virtuals_to_full_rewrite): Ditto.
7956 (update_ssa): Ditto.
7957 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
7959 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
7961 Fix PR tree-optimization/22483
7963 * tree-complex.c (create_components): Use
7964 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
7965 * tree-flow-inline.h (fill_referenced_var_vec): New function.
7966 * tree-flow.h (safe_referenced_var_iterator): New structure.
7967 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
7968 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
7969 safe_referenced_var iterator.
7970 (add_type_alias): Ditto.
7972 2005-07-19 Steven Bosscher <stevenb@suse.de>
7974 * loop-init.c (rest_of_handle_loop2): Remove.
7975 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
7976 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
7977 (pass_rtl_loop_init, pass_rtl_loop_done,
7978 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
7979 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
7980 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
7981 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
7982 pass_tree_loop_done, and pass_tree_unswitch.
7983 (gate_loop): Rename to gate_tree_loop.
7984 * passes.c (init_optimization_passes): Update for renamed tree
7985 loop passes. Add the new loop2 passes as subpasses of loop2.
7986 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
7987 Update for the renamed tree loop passes.
7989 2005-07-18 Ian Lance Taylor <ian@airs.com>
7992 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
7993 blocks when optimizing.
7995 2005-07-18 Steve Ellcey <sje@cup.hp.com>
7997 * common.opt (frename-registers): Initialize to 2.
7999 (fgcse-after-reload): Ditto.
8000 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8001 (process_options): Only change flag_web, flag_rename_registers,
8002 and flag_rerun_cse_after_loop if not explicitly set by user.
8004 2005-07-18 Jan Beulich <jbeulich@novell.com>
8006 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8007 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8008 in 64-bit mode the same as DImode in 32-bit mode.
8009 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8010 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8011 mode. Add new mode parameter.
8012 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8013 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8014 x86_64_shift_adj): New expanders.
8015 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8016 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8018 Respective new splitters. Use renamed shift splitter helpers in 32-bit
8019 DImode shift splitters.
8020 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8021 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8024 2005-07-18 Jan Beulich <jbeulich@novell.com>
8026 * i386.md (movdi_extzv_1): New.
8027 (zero_extendhidi2): Combine alternatives and never force use of
8029 (zero_extendqidi2): Likewise. Don't restrict input selection.
8031 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8033 Fix PR tree-optimization/22531
8034 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
8037 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8039 * tree-promote-statics.c (pass_promote_statics): Change dump file
8042 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8044 * tree-optimize.c (init_tree_optimization_passes): Add
8045 pass_eliminate_useless_stores pass.
8046 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8047 * tree-ssa-pre.c (is_copy_stmt): New function.
8048 (follow_copies_till_vuse): Ditto.
8049 (do_eustores): Ditto.
8050 (gate_eustores): Ditto.
8052 2005-07-16 Richard Henderson <rth@redhat.com>
8054 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8056 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8057 Kenneth Zadeck <zadeck@naturalbridge.com>
8059 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8060 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8061 ipa-type-escape.h, tree-promote-statics.c
8062 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8063 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8064 tree-promote-statics.c: new files.
8065 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8066 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8067 int nonlocal_set_p, mark_constant_function): Deleted.
8068 (rest_of_handle_cfg): Removed call to mark_constant_function.
8069 (nonoverlapping_component_refs_p): Added calls to support
8070 type based aliasing.
8071 * tree-ssa-alias.c (may_alias_p,
8072 compute_flow_insensitive_aliasing): Ditto.
8073 * calls.c (flags_from_decl_or_type): Removed reference to
8075 * c-typeck.c (convert_arguments): Make builtins tolerant of having
8076 too many arguments. This is necessary for Spec 2000.
8077 * cgraph.h (const_function, pure_function): Removed.
8078 * common.opt: Added "fipa-pure-const", "fipa-reference",
8079 "fipa-type-escape", and "ftree-promote-static".
8081 * passes.c: Added ipa and tree-promote-statics passes.
8082 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8083 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8084 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8085 * tree-flow.h: Added exposed sra calls and addition of
8086 reference_vars_info field for FUNCTION_DECLS.
8087 * tree-pass.h: Added passes.
8088 * tree-sra.c: (sra_init_cache): New function.
8089 (sra_insert_before, sra_insert_after) Made public.
8090 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8092 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8093 aliasing. (may_alias_p): Added code to use type escape analysis to
8095 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8096 code to prune clobbers of static variables based on information
8097 produced in ipa-reference pass. Changed call clobbering so that
8098 statics are not marked as clobbered if the call does not clobber
8101 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8103 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8106 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8108 * doc/install.texi (*-*-solaris2*): Document recommended version
8109 of GNU binutils and mention GNU linker problem on Solaris 10.
8111 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8114 * c-decl.c (c_build_bitfield_integer_type): New function.
8115 (finish_struct): Call it.
8116 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8118 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8120 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8123 2005-07-16 Jan Hubicka <jh@suse.cz>
8125 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8126 (scale_bbs_frequencies_int): Watch roundoff errors.
8127 * predict.c (return_prediction): Initialize return_stmt.
8129 2005-07-16 Jan Hubicka <jh@suse.cz>
8131 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8132 after RTL profiling.
8134 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8137 * fold-const.c (build_range_check): Convert high/low to etype
8138 if we are only comparing against exp.
8140 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8142 Fix PR tree-optimization/22376
8143 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8145 (need_to_solve): New function.
8146 (compute_points_to_sets): Use it.
8148 2005-07-15 Jan Hubicka <jh@suse.cz>
8150 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8151 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8153 2005-07-15 Richard Guenther <rguenther@suse.de>
8155 * c-common.c (handle_flatten_attribute): New function.
8156 Add flatten function attribute.
8157 * doc/extend.texi: Document flatten function attribute.
8158 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8159 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8161 (cgraph_decide_inlining): Handle functions with flatten
8164 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8166 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8167 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8168 UNSPEC_XCHG, UNSPEC_AND): New.
8169 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8170 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8171 * config/rs6000/sync.md (FETCHOP): New code macro.
8172 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8174 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8175 (sync_compare_and_swap<mode>): Same.
8176 (sync_lock_test_and_set<mode>): Same.
8177 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8178 for QImode and HImode, and not PPC405.
8179 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8180 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8181 (sync_<fetchop>{si,di}_internal): New.
8182 (sync_nand{si,di}_internal): New.
8183 (sync_old_<fetchop>{si,di}_internal): New.
8184 (sync_old_nand{si,di}_internal): New
8185 (sync_new_<fetchop>{si,di}_internal): New.
8186 (sync_new_nand{si,di}_internal): New.
8187 (atomic_and{si,di}): New.
8188 (sync_new_nand{si,di}_internal): New.
8189 (atomic_and{si,di}): New.
8190 (sync_add<mode>_internal): Delete.
8191 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8192 (sync_sub<mode>_internal): Delte.
8193 (sync_subshort_internal): New.
8194 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8195 (sync_anddi_internal): Delete.
8196 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8197 (sync_booldi_internal): Delete.
8198 (sync_boolc<mode>_internal): Delete.
8199 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8200 (sync_boolc<mode>_internal2): Delete.
8201 (sync_boolcc<mode>_internal): Delete.
8202 (isync, lwsync): Use unspec instead of unspec_volatile.
8203 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8204 Revert UNSPEC_VOLATILE.
8205 (rs6000_split_atomic_op): New.
8206 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8208 2005-07-14 Eric Christopher <echristo@redhat.com>
8210 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8211 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8213 2005-07-14 Eric Christopher <echristo@redhat.com>
8215 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8217 2005-07-14 Steven Bosscher <stevenb@suse.de>
8219 PR tree-optimization/22230
8220 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8221 the computation of the four cross productions for "range op range".
8223 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8224 Ulrich Weigand <uweigand@de.ibm.com>
8227 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8230 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8232 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8234 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8236 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8238 2005-07-14 Richard Guenther <rguenther@suse.de>
8241 * config/i386/i386-protos.h (ix86_function_value): Change
8242 prototype to match new target hook.
8243 * config/i386/i386.c (ix86_value_regno): Change prototype
8244 to take extra type argument.
8245 (TARGET_FUNCTION_VALUE): Define.
8246 (ix86_function_ok_for_sibcall): Pass extra argument to
8247 ix86_value_regno, check return slot rtx for exact match.
8248 (ix86_function_value): Take extra parameter. Dispatch to
8249 ix86_value_regno with fndecl/fntype as provided.
8250 (ix86_value_regno): Handle extra type argument.
8251 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8253 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8254 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8255 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8256 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8257 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8259 2005-07-14 Richard Guenther <rguenther@suse.de>
8261 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8262 * calls.c (expand_call): Pass fntype to hard_function_value.
8263 (emit_library_call_value_1): Likewise.
8264 * explow.c: Include target.h.
8265 (hard_function_value): Take extra argument, the fntype.
8266 Use new target hook for function_value.
8267 * expr.h (hard_function_value): Change prototype.
8268 * function.c (aggregate_value_p): Pass 0 as fntype to
8269 hard_function_value.
8270 (assign_parms): Use new target hook for function_value.
8271 Pass 0 as fntype to hard_function_value.
8272 (expand_function_end): Likewise.
8273 * reg-stack.c: Include target.h.
8274 (stack_result): Use new target hook for function_value.
8275 * target-def.h: New target hook function_value.
8276 * target.h: Likewise.
8277 * targhooks.c (default_function_value): New function.
8278 * targhooks.h (default_function_value): Declare.
8280 2005-07-13 Ian Lance Taylor <ian@airs.com>
8282 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8284 2005-07-14 Jan Hubicka <jh@suse.cz>
8286 * tree-dfa.c (dump_variable): Use default_def function.
8287 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8288 * tree-ssa.c (verify_use): Likewise.
8289 * tree-ssanames.c (release_ssa_name): Likewise.
8290 * tree-tailcall.c (eliminate_tail_call): Likewise.
8291 (tree_optimize_tail_calls_1): Likewise.
8292 * tree-vrp.c (get_value_range): Likewise.
8294 2005-07-14 Ben Elliston <bje@au.ibm.com>
8296 * gcc.c (main): Compare language[0] with '*' when iterating over
8299 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8301 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8302 "s390_emit_compare". Add handling of CCZ1mode.
8303 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8304 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8306 (s390_branch_condition_mask): Add CCZ1mode handling.
8307 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8308 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8309 Use CCZ1mode instead of CCZmode.
8310 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8312 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8314 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8316 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8318 2005-07-13 Eric Christopher <echristo@redhat.com>
8320 * config/mips/mips.c (mips_canonicalize_comparison): New.
8321 (mips_emit_int_relational): Use.
8323 2005-07-13 Eric Christopher <echristo@redhat.com>
8325 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8327 * config/s390/s390.md: Include tpf.md. Move tpf specific
8329 * config/s390/tpf.md: To here.
8330 * config/s390/s390.opt: Move tpf specific options...
8331 * config/s390/tpf.opt: to here. Add mmain option.
8332 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8333 * config/s390/tpf.h: Rewrite.
8335 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8337 * doc/tm.texi: Remove @xref{Cross-profiling}.
8339 2005-07-13 Jeff Law <law@redhat.com>
8341 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8342 expressions, test their _DECL operands for pointer equality rather
8343 than using operand_equal_p.
8345 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8347 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8348 (TARGET_POSIX_IO): This.
8349 * config/darwin.h: Likewise.
8350 * config/freebsd.h: Likewise.
8351 * config/linux.h: Likewise.
8352 * config/lynx.h: Likewise.
8353 * config/netbsd.h: Likewise.
8354 * config/rs6000/linux64.h: Likewise.
8355 * config/rs6000/linux.h: Likewise.
8356 * config/s390/tpf.h: Likewise.
8357 * config/sh/embed-elf.h: Likewise.
8358 * config/sparc/linux64.h: Likewise.
8359 * config/sparc/linux.h: Likewise.
8360 * config/svr4.h: Likewise.
8361 * gcov-io.h: Likewise.
8363 * doc/tm.texi: Updated.
8365 * libgcov.c (create_file_directory): Defined only if
8366 TARGET_POSIX_IO is defined.
8367 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8370 2005-07-13 Jan Hubicka <jh@suse.cz>
8372 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8374 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8376 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8377 structure as argument.
8379 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8381 PR tree-optimization/21921
8382 * tree-iterator.c (tsi_link_before): Support the case when
8383 tsi_end_p (tsi) == true.
8385 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8387 PR tree-optimization/22442
8388 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8391 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8393 PR rtl-optimization/20376
8394 * toplev.c (process_options): Enable -fweb and -frename-registers when
8396 * doc/invoke.texi: Update the information about when -fweb and
8397 -frename-registers are enabled.
8399 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8402 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8403 if *rhs_p is not a SSA_NAME.
8405 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
8407 Fix PR tree-optimization/22422
8408 * tree-ssa-structalias.c (struct variable_info): Add flag for
8410 (get_varinfo): Now a static function.
8411 (new_varinfo): init has_union and is_special_var to false.
8412 (solution_set_add): Check has_union.
8413 (do_da_constraint): Move temporary variable so it gets reset
8415 Also check for special variable.
8416 (do_ds_constraint): Ditto.
8417 (do_sd_constraint): Ditto.
8418 (do_structure_copy): Check for special variable.
8419 (find_func_aliases): Ditto.
8420 (init_base_vars): Set special vars properly.
8422 2005-07-13 Jan Hubicka <jh@suse.cz>
8424 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8427 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8428 (get_expr_operands): Fix thinko wrt flags and subvars.
8430 PR tree-optimize/22379
8431 * tree-inline.c (expand_call_inline): Do not output sorry in early
8434 2005-07-12 Dale Johannesen <dalej@apple.com>
8436 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
8438 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8441 * host-linux.h: Include limits.h.
8443 2005-07-12 Dale Johannesen <dalej@apple.com>
8445 * expr.c (compress_float_constant): Add cost check.
8446 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8448 2005-07-12 Dale Johannesen <dalej@apple.com>
8450 * gcc.target/i386/compress-float-sse.c: New.
8451 * gcc.target/i386/compress-float-sse-pic.c: New.
8452 * gcc.target/i386/compress-float-387.c: New.
8453 * gcc.target/i386/compress-float-387-pic.c: New.
8454 * gcc.dg/compress-float-ppc.c: New.
8455 * gcc.dg/compress-float-ppc-pic.c: New.
8457 2005-07-12 Eric Christopher <echristo@redhat.com>
8459 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8461 * config/s390/s390.md: Include tpf.md. Move tpf specific
8463 * config/s390/tpf.md: To here.
8464 * config/s390/s390.opt: Move tpf specific options...
8465 * config/s390/tpf.opt: to here. Add mmain option.
8466 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8467 * config/s390/tpf.h: Rewrite.
8469 2005-07-12 Eric Christopher <echristo@redhat.com>
8471 * gcc.c (struct infile): Update comment for language.
8472 (main): Rewrite input file resetting code.
8474 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8477 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8478 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8479 (lookup_avail_expr): Use constant_boolean_node instead
8480 of boolean_false_node/boolean_true_node.
8482 2005-07-12 Ben Elliston <bje@au.ibm.com>
8484 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8485 and use it when printing num_edges.
8487 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8489 * doc/extend.texi (Blackfin Built-in Functions): New section.
8490 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8493 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8495 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8496 s/cmpstrsi/cmpstrnsi
8497 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8499 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8500 (init_optabs): Initialize cmpstrn_optab.
8501 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8502 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8503 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8504 * config/i386/i386.md: s/cmpstr/cmpstrn
8505 * config/c4x/c4x.md: s/cmpstr/cmpstrn
8506 * doc/md.texi: Update documentation.
8508 2005-07-11 Richard Henderson <rth@redhat.com>
8510 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8511 build_va_arg_indirect_ref.
8512 (alpha_gimplify_va_arg): Likewise.
8513 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8514 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8515 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8516 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8517 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8518 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8520 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8522 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8524 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8525 * passes.c (init_optimization_passes): Add pass_empty_loop.
8526 * tree-pass.h (pass_empty_loop): Declare.
8527 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8528 try_remove_empty_loop, remove_empty_loops): New functions.
8529 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8530 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8532 2005-07-12 Peter Barada <peter@the-baradas.com>
8536 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8537 in address registers.
8538 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8539 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8540 alternative of addsi3_5200.
8542 2005-07-11 Ian Lance Taylor <ian@airs.com>
8544 * config/mips/mips.md (ffs<mode>2): Remove.
8546 2005-07-11 Ian Lance Taylor <ian@airs.com>
8548 * doc/tree-ssa.texi (Cleanups): Improve description of
8550 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8552 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8554 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8555 * tree.h (DECL_ARGUMENT_FLD): New macro.
8557 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8559 Fix PR tree-optimization/22404
8561 * tree-ssa-structalias.c (create_variable_info_for): Use
8564 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
8566 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8567 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8568 for second comparison operand.
8569 * config/bfin/predicates.md (reg_or_const_int_operand): New.
8571 * config/bfin/bfin.md (define_attr "type"): Add "sync".
8572 (define_insn_reservation "alu"): Likewise.
8573 (csync, ssync): Now of type sync.
8574 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8575 -mcsync-anomaly -mspecld-anomaly.
8576 * config/bfin/bfin.opt (mcsync): Remove.
8577 (mcsync-anomaly, mspecld-anomaly): Add.
8578 * config/bfin/bfin.c: Include "insn-codes.h".
8579 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8580 (TARGET_DEFAULT_TARGET_FLAGS): New.
8581 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8583 2005-07-11 Steven Bosscher <stevenb@suse.de>
8585 * basic-block.h: Give the BB flags enum a name, bb_flags.
8586 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8587 * cfgcleanup.c (enum bb_flags): Remove here.
8588 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8589 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8590 (update_forwarder_flag): Likewise.
8591 (thread_jump): Likewise.
8592 (try_forward_edges): Likewise.
8593 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
8594 forwarder flags. Don't clear bb->aux for all basic blocks. Only
8595 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8597 2005-07-11 Richard Guenther <rguenther@suse.de>
8599 * config/i386/i386.opt: New target option -msseregparm.
8600 * config/i386/i386.c (override_options): Error out for
8601 -msseregparm but no SSE support.
8602 (ix86_function_sseregparm): Check for global sseregparm.
8603 * doc/invoke.texi: Document -msseregparm.
8605 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8607 * config.gcc (m32r-*-linux*): Use the default extra_parts.
8608 (m32rle-*-linux*): Ditto.
8610 2005-07-11 Jakub Jelinek <jakub@redhat.com>
8612 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8613 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8616 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8620 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8621 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8623 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
8625 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8626 (varmap): Heapify varmap.
8627 (constraints): Heapify constraints.
8628 (struct constraint_graph): Heapify succs and preds.
8629 (constraint_vec_find): Update for heapification.
8630 (constraint_set_union): Ditto.
8631 (insert_into_complex): Ditto.
8632 (constraint_edge_vec_find): Ditto.
8633 (erase_graph_self_edge): Ditto.
8634 (add_graph_edge): Ditto.
8635 (get_graph_weights): Ditto.
8636 (merge_graph_nodes): Ditto.
8637 (build_constraint_graph): Ditto.
8638 (topo_visit): Ditto.
8639 (solve_graph): Ditto.
8640 (create_variable_info_for): Ditto.
8641 (init_base_vars): Ditto.
8642 (delete_points_to_sets): Free graph, varmap, and complex constraints.
8643 (condese_varmap_nodes): Free complex vector.
8644 (clear_edges_for_node): Clear succs and preds vector.
8646 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8648 * tree-ssa-structalias.c (update_alias_info): Change counting of
8649 references to not include vdefs.
8651 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8653 * tree-ssa-alias.c (free_used_part_map): Add missing free.
8656 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8658 * pa.c (pa_commutative_p): Make PLUS commutative when
8659 TARGET_NO_SPACE_REGS is true.
8661 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8663 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8664 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8665 * tree-dfa.c (dump_subvars_for): New.
8666 (debug_subvars_for): New.
8667 (dump_variable): Show subvariables if VAR has them.
8668 * tree-flow-inline.h (get_subvar_at): New.
8669 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8670 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8672 (struct subvar): Change fields offset and size to unsigned
8674 (dump_subvars_for): Declare.
8675 (debug_subvars_for): Declare.
8676 (get_subvar_at): Declare.
8677 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8678 to unsigned HOST_WIDE_INT *.
8679 (overlap_subvar): Likewise.
8680 * tree-gimple.c (is_gimple_reg): Always return false for
8681 SFTs and memory tags.
8682 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8684 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8685 (compute_may_aliases): Call compute_points_to_sets.
8686 (collect_points_to_info_for): Remove.
8687 (compute_points_to_and_addr_escape): Remove.
8688 (delete_alias_info): Call delete_points_to_sets.
8689 (compute_flow_sensitive_aliasing): If the call to
8690 find_what_p_points_to returns false, call set_pt_anything.
8691 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8692 (set_pt_anything): Clear pi->pt_vars.
8693 (set_pt_malloc): Remove.
8694 (merge_pointed_to_info): Remove.
8695 (add_pointed_to_expr): Remove.
8696 (add_pointed_to_var): Remove.
8697 (collect_points_to_info_r): Remove.
8698 (is_escape_site): Make extern.
8700 (create_overlap_variables_for): Call it.
8701 * tree-ssa-copy.c (merge_alias_info): Never merge
8702 flow-sensitive alias information.
8703 * tree-ssa-operands.c (get_expr_operands): Adjust variables
8704 offset and size to be unsigned HOST_WIDE_INT.
8705 (add_to_addressable_set): Rename from note_addressable.
8706 Set TREE_ADDRESSABLE as the variables are added to the set.
8708 (add_stmt_operand): Do not try to micro-optimize unmodifiable
8709 operands into VUSEs when adding V_MAY_DEFs for members in an
8711 * tree-ssa-operands.h (add_to_addressable_set): Declare.
8712 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8713 (struct variable_info): Add bitfield is_heap_var.
8714 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8715 (new_var_info): Initialize is_heap_var.
8716 (get_constraint_for): Add HEAP variables to the symbol table.
8717 Mark them with is_heap_var.
8718 (update_alias_info): New. Taken mostly from the old
8719 compute_points_to_and_addr_escape.
8720 (handle_ptr_arith): New.
8721 (find_func_aliases): Call update_alias_info.
8722 Call handle_ptr_info for tcc_binary expressions.
8723 Call mark_stmt_modified.
8724 (create_variable_info_for): If DECL has subvars, do not create
8725 variables for its subvars. Always add all the fields.
8726 (set_uids_in_ptset): If the solution includes ANYOFFSET and
8727 SFTs, then add all the SFTs of the structure.
8728 If VI->DECL is an aggregate with subvariables, add the SFT at
8730 (find_what_p_points_to): If VI is an artificial variable,
8731 translate to bitfields in SSA_NAME_PTR_INFO.
8732 If the solution is empty, set pi->pt_vars to NULL
8733 (init_base_vars): Create ANYOFFSET.
8734 (compute_points_to_sets): Rename from create_alias_vars.
8736 (pass_build_pta): Remove.
8737 (delete_points_to_sets): Rename from delete_alias_vars.
8738 (pass_del_pta): Remove.
8739 * tree-ssa-structalias.h (struct alias_info): Move from
8741 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8742 NUM_REFERENCES_SET): Likewise.
8743 (compute_points_to_sets, delete_points_to_sets): Declare.
8745 2005-07-09 Richard Henderson <rth@redhat.com>
8747 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8748 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8749 alpha_split_lock_test_and_set_12): New functions.
8750 * config/alpha/alpha-protos.h: Update.
8751 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8752 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8753 * config/alpha/sync.md (I12MODE): New.
8754 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8755 (sync_<fetchop_name><I48MODE>): Likewise.
8756 (sync_nand<I48MODE>): Likewise.
8757 (sync_old_<fetchop_name><I48MODE>): Likewise.
8758 (sync_new_<fetchop_name><I48MODE>): Likewise.
8759 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8760 (sync_compare_and_swap<I48MODE>): Likewise.
8761 (sync_lock_test_and_set<I48MODE>): Likewise.
8762 (sync_compare_and_swap<I12MODE>): New.
8763 (sync_compare_and_swap<I12MODE>_1): New.
8764 (sync_lock_test_and_set<I12MODE>): New.
8765 (sync_lock_test_and_set<I12MODE>_1): New.
8767 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8771 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8773 2005-07-09 Jakub Jelinek <jakub@redhat.com>
8775 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8776 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8778 2005-07-09 Richard SAndiford <richard@codesourcery.com>
8781 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8783 2005-07-08 David Edelsohn <edelsohn@gnu.org>
8785 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8786 memory_operand constraint.
8787 (store_conditional_<mode>): Same.
8788 (sync_compare_and_swap<mode>): Same.
8789 (sync_lock_test_and_set<mode>): Same.
8791 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
8793 Rewrite PIC support to more closely model actual instructions.
8794 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8795 (cris_symbol): Remove prototypes for removed functions.
8796 (cris_pic_symbol_type_of, cris_valid_pic_const)
8797 (cris_expand_pic_call_address): Prototypes for new functions.
8798 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8800 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8802 <case ':'>: Add case for new punctuation character.
8803 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8804 emitting (extra) PIC modifier.
8805 <case UNSPEC>: Do not assert for PLT.
8806 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8807 (cris_expand_prologue, cris_expand_epilogue): Check
8808 for pic_offset_table_rtx usage instead of taking
8809 current_function_uses_pic_offset_table as the final word.
8810 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8811 Remove flag_pic difference.
8812 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8813 the moral equivalents of...
8814 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8816 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8817 (cris_handle_option): Mark ARG as unused.
8818 (cris_expand_pic_call_address): New worker function for "call",
8820 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8821 output PIC constructs here.
8822 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8823 as symbol-specific modifers, not whole or part of operands.
8824 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8825 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8826 constants and flag_pic.
8827 (CONSTANT_INDEX_P): Adjust for new functions.
8828 (enum cris_pic_symbol_type): New helper type.
8829 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8830 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8831 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8833 ("movsi"): Emit actual instructions for GOT and relative access.
8834 ("*movsi_got_load"): New pattern to set up the register holding
8836 ("*movsi_internal"): Operand 1 is not a plain general_operand.
8837 Adjust FIXME for 'S'.
8838 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8839 Use "movs" for -fpic cases.
8840 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8841 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8842 ("call", "call_value"): Just call cris_expand_pic_call_address for
8844 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8845 Remove special pattern.
8846 ("*expanded_call_side", "*expanded_call_value_side"): New
8848 (gotplt-to-plt, gotplt-to-plt-side-call)
8849 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8851 * config/cris/cris/predicates.md
8852 ("cris_general_operand_or_gotless_symbol"): Remove unused
8854 ("cris_general_operand_or_symbol"): Adjust for new functions.
8856 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8858 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8860 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
8862 * Makefile.in (TREE_H): Add treestruct.def.
8863 (c-decl.o): Add pointer-set.h
8864 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8865 visibility on regular DECL's.
8866 (merge_decls): Fix the copying of decl nodes of various types for
8867 the new structures. Don't update RTL, section name, weak status,
8868 etc, on DECL's without RTL.
8869 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
8870 Don't check volatile on non-variable types.
8871 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
8872 to check whether we have seen arguments.
8873 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
8874 flag is checked before field (flag is common, field is not).
8875 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
8876 TS_DECL_COMMON could have an origin.
8877 (add_location_or_const_value_attribute): Don't check section name
8878 on non-var/function decls.
8879 (dwarf2out_var_location): Reverse order of tests.
8880 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
8881 with DECL_WRTL_CHECK.
8882 * expmed.c (make_tree): rtl is now in decl_with_rtl.
8883 * fold-const.c (fold_binary): Don't check weakness on
8884 non-var/function decls.
8885 (tree_expr_nonzero_p): Ditto.
8886 (fold_checksum_tree): Use tree_decl_extra as sizeof
8888 * ggc-page.c (extra_order_size_table): Add sizes for
8889 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
8891 * gimplify.c (gimplify_bind_expr): Only set
8892 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
8893 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
8895 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
8896 * langhooks.h (init_ts). New langhook.
8897 * passes.c (rest_of_decl_compilation): Reverse order of tests.
8898 * print-tree.c (print_node): Update to only print fields that
8899 exist in the structures the passed decl has.
8900 * toplev.c (wrapup_global_declarations): Don't reset
8901 DECL_DEFER_OUTPUT on DECL's that don't contain it.
8902 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
8903 * tree-inline.c (remap_decl): Ditto.
8904 * tree-outof-ssa.c (create_temp): Reverse order of tests.
8905 * tree-pretty-print.c (print_declaration): Don't print
8906 DECL_REGISTER on things that don't contain it.
8907 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
8908 non-var/function decls.
8909 * tree.c (tree_contains_struct): New structure.
8910 (init_priority_for_decl): New hashtable.
8911 (tree_int_map): New structure.
8912 (tree_int_map_eq): New function.
8913 (tree_int_map_marked_p): Ditto.
8914 (tree_int_map_hash): Ditto.
8915 (tree_map): Move to tree.h.
8916 (tree_map_eq): Externalize.
8917 (tree_map_hash): Ditto.
8918 (tree_map_marked_p): Ditto.
8919 (init_ttree): Set up tree_contains_struct and call langhook.
8920 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
8921 (tree_code_size): Update for new structures.
8922 (tree_node_structure): Update for new structures.
8923 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
8925 (copy_node_stat): Copy init priority.
8926 (build_decl_stat): Ditto for visibility.
8927 (ts_enum_names): New.
8928 (tree_contains_struct_check_failed): New function.
8929 (decl_init_priority_lookup): Ditto.
8930 (decl_init_priority_insert): Ditto.
8931 * treestruct.def: New file.
8932 * tree.h (CODE_CONTAINS_STRUCT): New macro.
8933 (CONTAINS_STRUCT_CHECK): Ditto.
8934 (tree_contains_struct_check_failed): New prototype.
8935 (DECL_CHECK): Removed.
8936 (DECL_MINIMAL_CHECK): New.
8937 (DECL_COMMON_CHECK): Ditto.
8938 (DECL_WRTL_CHECK): Ditto.
8939 (DECL_NON_COMMON_CHECK): Ditto.
8940 (DECL_WITH_VIS_CHECK): Ditto.
8941 (VAR_OR_FUNCTION_DECL_P): Ditto
8942 (struct tree_decl_minimal): New structure.
8943 (struct tree_decl_common): Ditto.
8944 (struct tree_decl_with_rtl): Ditto.
8945 (struct tree_decl_with_vis): Ditto.
8946 (struct tree_decl_non_common): Ditto.
8947 (struct tree_field_decl): Ditto.
8948 (struct tree_parm_decl): Ditto.
8949 (struct tree_var_decl): Ditto.
8950 (struct tree_function_decl): Ditto.
8951 (struct tree_const_decl): Ditto.
8952 (struct tree_result_decl): Ditto.
8953 (union tree_node): Add new structures.
8954 * var-tracking.c (track_expr_p): Reverse order of tests.
8956 * doc/c-tree.texi: Add documentation on DECL node internal structure.
8958 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8960 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
8961 * system.h: Poison FINALIZE_PIC.
8962 * doc/tm.texi (FINALIZE_PIC): Remove.
8964 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8967 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
8968 to the correct type if we have a MODIFY_EXPR.
8970 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8972 PR tree-optimization/22360
8973 * tree.c (upper_bound_in_type): Fix calculations for casting
8974 to a non-wider signed type and casting a signed value to a
8975 wider unsigned type.
8976 (lower_bound_in_type): Fix calculations for casting to a
8977 non-wider signed type.
8979 PR tree-optimization/20139
8980 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
8982 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
8983 fold_cond_expr_cond.
8984 * tree-ssanames.c (release_defs): Assert in_ssa_p.
8985 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
8987 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8990 * tree-complex.c (expand_complex_libcall): Produce
8991 REALPART_EXPR/IMAGPART_EXPR with the correct type.
8993 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
8995 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
8996 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
8997 b" assert and inserted fastpath code for this case.
8998 (bitmap_ior): Removed "a != b" assert.
9000 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9002 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9003 (ENDFILE_SPEC): Likewise.
9004 * config/m32r/m32r.h (ASM_SPEC): Likewise.
9006 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9007 a large stack frame at epilogue.
9009 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
9011 * final.c: Include sdbout.h when required.
9013 2005-07-07 Geoffrey Keating <geoffk@apple.com>
9015 * config.gcc (*-*-darwin*): Only one target-specific header file
9017 (powerpc-*-darwin*): Add version-specific header files.
9018 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9019 * config.in: Regenerate.
9020 * configure: Regenerate.
9021 * gcc.c: Include xregex.h.
9022 (version_compare_spec_function): New.
9023 (spec_function): Add version-compare.
9024 (replace_outfile_spec_function): Reformat comment.
9025 (compare_version_strings): New.
9026 * config/darwin-c.c (version_as_macro): New.
9027 (builtin_define): New.
9028 (darwin_cpp_builtins): New.
9029 * config/darwin-protos.h (darwin_cpp_builtins): New.
9030 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9031 (LIB_SPEC): Make unconditional, update comment.
9032 (TARGET_C99_FUNCTIONS): Define.
9033 * config/darwin.opt: Sort.
9034 (mmacosx-version-min=): New.
9035 * config/darwin7.h: Delete.
9036 * config/darwin8.h: Delete.
9037 * config/i386/darwin.h (): Call darwin_cpp_builtins.
9038 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9039 (TARGET_C99_FUNCTIONS): Define.
9040 * config/rs6000/darwin7.h: New.
9041 * config/rs6000/darwin8.h: New.
9042 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9043 (-mmacosx-version-min): Document.
9045 2005-07-07 Ian Lance Taylor <ian@airs.com>
9047 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9049 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
9052 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9054 2005-07-07 Khem Raj <kraj@mvista.com>
9056 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9057 in bytes, not words.
9059 2005-07-07 Paul Brook <paul@codesourcery.com>
9061 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9062 DEFAULT_FUNCTION_ARG_PADDING to upward.
9064 2005-07-07 Richard Henderson <rth@redhat.com>
9066 * function.c (locate_and_pad_parm): Record parameter alignment in
9067 stack_alignment_needed.
9069 2005-07-07 David Edelsohn <edelsohn@gnu.org>
9071 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9072 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9073 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9074 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9075 (define_attr "type"): Add isync, sync, load_l, store_c.
9076 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9077 Create scratch volatile MEM.
9078 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
9080 (load_locked_<mode>): New.
9081 (store_conditional_<mode>): New.
9082 (sync_compare_and_swap<mode>): Replace with splitter.
9083 (sync_lock_test_and_set<mode>): Replace with splitter.
9084 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9086 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
9087 is ics. Attribute isync.
9088 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
9090 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9091 and UNSPECV_SYNC_OP.
9092 (emit_unlikely_jump): New.
9093 (emit_load_locked): New.
9094 (emit_store_conditional): New.
9095 (rs6000_split_compare_and_swap): New.
9096 (rs6000_split_lock_test_and_set): New.
9097 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9098 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9099 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9100 rs6000_split_lock_test_and_set): Declare.
9101 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9102 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9103 store_c, isync, sync.
9105 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9107 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9108 filenames to gtyp-gen.h.
9109 (s-typ-gen): Use it in place of for loops.
9111 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9113 * hooks.c (hook_bool_rtx_int_false): New function.
9114 * hooks.h (hook_bool_rtx_int_false): Declare.
9115 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9116 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9117 * target.h (struct gcc_target): Add commutative_p member.
9118 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9119 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9120 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9121 (pa_commutative_p): New function.
9122 * jump.c (target.h): Include.
9123 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9124 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9126 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9128 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9129 (s390_expand_setmem): New.
9130 * config/s390/s390.c: Likewise.
9131 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9133 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9134 general_operand. Call new function "s390_expand_setmem".
9135 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9136 ("setmem_long", "*setmem_long"): ... this.
9138 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9140 * config/s390/s390.c: (optimization_options): Enable
9141 TARGET_MVCLE at -Os.
9142 * doc/invoke.texi: Document changes in default behaviour.
9143 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9145 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9147 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9148 defined by back-end.
9150 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9152 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9153 all sets in the pattern.
9154 * config/rs6000/rs6000.md (stack_protect_testsi,
9155 stack_protect_testdi): Likewise.
9157 2005-07-06 Jeff Law <law@redhat.com>
9159 * tree-vrp.c (simplify_using_ranges): Kill.
9160 (vrp_finalize): Remove call to simplify_using_ranges.
9161 (simplify_stmt_using_ranges): New function extracted from
9162 simplify_using_ranges.
9163 (simplify_div_or_mod_using_ranges): Likewise.
9164 (simplify_abs_using_ranges): Likewise.
9165 (simplify_cond_using_ranges): New function.
9166 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9167 * tree-ssa-propagate.c (substitute_and_fold): Call
9168 simplify_stmt_using_ranges if we have range information.
9170 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9172 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9173 ia64_flag_schedule_isns2.
9175 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9176 reading/writing general registers.
9177 (ia64_function_arg): Revert 2005-06-18 change.
9179 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9181 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9182 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9184 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9186 * function.c (expand_function_end): Revert part of 2005-06-27
9187 patch. Do sjlj_emit_function_exit_after after return_label.
9189 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9191 * doc/install.texi (--disable-libssp): New.
9193 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9195 * doc/invoke.texi: Update -fforce-mem documentation.
9196 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9197 code for -fforce-mem.
9198 * expmed.c: (store_bit_field,store_fixed_bit_field,
9199 extract_bit_field): Ditto.
9200 * expr.c: (convert_move): Ditto.
9201 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9202 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9203 emit_conditional_add,expand_float,expand_fix): Ditto.
9204 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9205 (common_handle_option): Issue warning when -fforce-mem specified.
9207 2005-07-06 Paul Brook <paul@codesourcery.com>
9209 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9211 * configure: Regenerate.
9213 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9215 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9217 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9219 Fix PR tree-optimization/22319
9220 Fix PR tree-optimization/22140
9221 Fix PR tree-optimization/22310
9223 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9224 variable sized types.
9225 Use correct type for intermediate structure on *a = *b structure
9228 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9230 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9232 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9233 (machine_function): Move typedef to...
9234 * config/rs6000/rs6000.c (machine_function): ... here. Add
9235 varargs_save_offset field.
9236 (rs6000_stack_t): Remove varargs_size field.
9237 (setup_incoming_varargs): Allocate varargs save area using
9238 assign_stack_local, try to make it as small as possible.
9239 Save offset from virtual_stack_vars_rtx to the save area
9240 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9241 instead of magic 8 when fp word byte size is used.
9242 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9243 instead of -RS6000_VARARGS_SIZE.
9244 (rs6000_stack_info, debug_stack_info,
9245 rs6000_initial_elimination_offset): Remove all traces of
9247 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9248 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9249 RS6000_VARARGS_AREA.
9251 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9253 PR tree-optimization/21963
9254 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9255 constant_multiple_of in the same way get_computation_cost_at does.
9257 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9259 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9260 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9261 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9262 and return its previous value.
9263 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9264 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9266 (stack_protect_set, stack_protect_test): New expanders.
9267 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9268 stack_protect_testdi): New insns.
9269 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9270 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9272 2005-07-06 Jeff Law <law@redhat.com>
9274 * tree-ssa-dce.c (cfg_altered): New global.
9275 (tree_dce_init): Initialize cfg_altered.
9276 (remove_dead_stmt): If we remove an edge in the CFG, then set
9278 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9281 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9283 * Makefile.in (stamp-collect-ld): Use
9284 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9285 ./collect-ld if it already exists.
9286 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9287 Don't remove ./nm if it already exists.
9289 2005-07-05 Devang Patel <dpatel@apple.com>
9291 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9292 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9293 * tree-vectorizer.c (vect_loop_location): New.
9294 (vect_print_dump_info): Use vect_loop_location.
9295 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9296 (vectorize_loops): Set vect_loop_location.
9297 * tree-vect-analyze.c (vect_analyze_offset_expr,
9298 vect_determin_vectorization_factor, vect_analyze_operations,
9299 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9300 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9301 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9302 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9303 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9304 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9305 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9306 vect_analyze_loop): Adjust vect_print_dump_info API.
9307 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9308 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9309 vect_finish_stmt_generation, vectorizable_assignment,
9310 vectorizable_operation, vectorizable_store, vectorizable_load,
9311 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9312 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9313 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9314 vect_transform_loop): Same.
9315 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9316 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9319 2005-07-05 Randolph Chung <tausq@debian.org>
9321 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9322 * configure: Regenerate.
9323 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9324 (pa_tls_referenced_p): Declare.
9325 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9326 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9327 (legitimize_tls_address): New.
9328 (hppa_legitimize_address): Handle TLS addresses.
9329 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9330 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9331 (emit_move_sequence): Handle TLS addresses.
9332 (pa_encode_section_info): Call default handler to handle common
9334 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9335 (CONSTANT_ADDRESS_P): Reject TLS operands.
9336 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9337 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9338 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9339 (UNSPEC_TLSLE): Define new constants.
9340 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9341 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9342 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9343 (tie_symbolic_operand, tle_symbolic_operand): New
9345 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9347 * aclocal.m4: Update macros for autoconf 2.59 style.
9348 * configure.ac: Likewise.
9350 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9352 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9353 (function_arg): Pass small aggregates in general registers on 32-bit
9355 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9357 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9359 * Makefile.in (final.o): Fix dependencies.
9361 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9365 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9366 * langhooks.c (lhd_expr_to_decl): New.
9367 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9369 (LANG_HOOKS_INITIALIZER): Update.
9370 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9371 expr_to_decl langhook.
9372 * c-tree.h (c_expr_to_decl): Declare.
9373 * c-typeck.c (c_expr_to_decl): New.
9374 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9376 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9378 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9381 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9382 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9384 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9386 * Makefile.in: Adjust dependencies.
9387 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9388 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9389 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9390 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9391 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9392 rest_of_compilation.
9394 * bb-reorder.c (gate_duplicate_computed_gotos,
9395 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9396 rest_of_handle_reorder_blocks, pass_reorder_blocks,
9397 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9398 pass_partition_blocks): New.
9399 * bt-load.c (gate_handle_branch_target_load_optimize,
9400 rest_of_handle_branch_target_load_optimize,
9401 pass_branch_target_load_optimize): New.
9402 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9404 * cfglayout.c (pass_insn_locators_initialize): New.
9405 * cfgrtl.c (pass_free_cfg): New.
9406 * combine.c (gate_handle_combine, rest_of_handle_combine,
9408 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9409 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9410 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9411 * except.c (pass_set_nothrow_function_flags,
9412 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9414 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9415 rest_of_handle_shorten_branches, pass_shorten_branches,
9416 rest_of_clean_state, pass_clean_state): New.
9417 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9418 rest_of_handle_remove_death_notes, pass_remove_death_notes,
9419 rest_of_handle_life, pass_life, rest_of_handle_flow2,
9421 * function.c (pass_instantiate_virtual_regs, pass_init_function,
9422 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9423 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9424 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9426 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9427 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9428 pass_rtl_ifcvt, gate_handle_if_after_combine,
9429 rest_of_handle_if_after_combine, pass_if_after_combine,
9430 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9431 pass_if_after_reload): New.
9432 * integrate.c (pass_initial_value_sets): New.
9433 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9434 pass_purge_lineno_notes): New.
9435 * mode-switching.c (rest_of_handle_mode_switching,
9436 pass_mode_switching): New.
9437 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9438 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9440 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9441 pass_loop_optimize): New.
9442 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9444 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9446 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9447 pass_postreload_cse): New.
9448 * profile.c (gate_handle_profiling, pass_profiling,
9449 rest_of_handle_branch_prob, pass_branch_prob): New.
9450 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9451 pass_split_before_regstack, gate_handle_split_before_regstack,
9452 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9453 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9454 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9455 pass_stack_regs): New.
9456 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9457 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9458 pass_stack_adjustments): New.
9459 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9460 pass_regrename): New.
9461 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9462 pass_delay_slots, gate_handle_machine_reorg,
9463 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9464 * rtl.h (extern void purge_line_number_notes): New.
9465 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9466 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9468 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9470 * value-prof.c (gate_handle_value_profile_transformations,
9471 rest_of_handle_value_profile_transformations,
9472 pass_value_profile_transformations): New.
9473 * var-tracking.c (gate_handle_var_tracking,
9474 pass_variable_tracking): New.
9475 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9477 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9478 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9479 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9480 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9481 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9482 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9483 rest_of_handle_gcse2, rest_of_handle_regmove,
9484 rest_of_handle_tracer, rest_of_handle_if_conversion,
9485 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9486 rest_of_handle_web, rest_of_handle_branch_prob,
9487 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9488 rest_of_handle_jump_bypass, rest_of_handle_combine,
9489 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9490 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9491 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9492 rest_of_handle_mode_switching, rest_of_handle_jump,
9493 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9494 rest_of_handle_flow2, rest_of_handle_jump2,
9495 rest_of_handle_peephole2, rest_of_handle_postreload,
9496 rest_of_handle_shorten_branches, rest_of_clean_state,
9497 rest_of_compilation): Remove.
9499 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9500 * passes.c (dump_flags, in_gimple_form, all_passes,
9501 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9502 register_dump_files, next_pass_1, last_verified, execute_todo,
9503 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9504 from tree-optimize.c.
9505 (init_optimization_passes): Moved from tree-optimize.c,
9506 adding the RTL optimizations.
9507 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9508 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9509 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9510 register_dump_files, next_pass_1, last_verified, execute_todo,
9511 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9512 init_tree_optimization_passes, ipa_passes): Delete.
9513 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9515 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9516 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9518 (ipa_passes): Remove.
9519 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9520 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9521 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9522 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9523 (dump_info_p, dump_flag): Moved to tree-dump.h.
9525 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9527 * passes.c (finish_optimization_passes): Use dump_begin
9528 and dump_end, TDI_end.
9529 (gate_rest_of_compilation): New.
9530 (pass_rest_of_compilation): Use it.
9531 (gate_postreload, pass_postreload): New.
9532 * toplev.c (general_init): Rename init_tree_optimization_passes.
9533 * toplev.h (init_tree_optimization_passes): Rename to
9534 init_optimizations_passes.
9535 * tree-dump.c (dump_flag): Make static.
9536 (dump_files): Remove RTL dumps.
9537 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9538 pass_cleanup_cfg, pass_free_cfg_annotations,
9539 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9540 pass_init_datastructures, pass_fixup_cfg): Make non-static.
9541 * tree-pretty-print.c: Include tree-pass.h.
9542 * cgraph.c: Include tree-dump.h.
9544 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9546 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9547 Only fall back to saying it points to readonly memory if
9550 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9552 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9553 * config/m32r/m32r.c (m32r_compute_frame_size,
9554 m32r_expand_prologue): Take current_function_profile into
9555 account whenever we reference
9556 current_function_uses_pic_offset_table.
9557 (m32r_finalize_pic): Remove.
9558 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9560 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
9562 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9563 instead of $<. Don't remove ./as if it already exists.
9565 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9568 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9569 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9570 for complex modes when generating code for PA 1.0.
9571 (VALID_FP_MODE_P): New macro.
9572 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9573 sets for all general and floating point modes. Align wide floating
9574 point modes to even register boundaries to comply with architectural
9576 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9577 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9578 (VALID_FP_MODE_P): New macro.
9579 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9580 sets for all general and floating point modes. Align wide floating
9581 point modes to even register boundaries to comply with architectural
9584 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9586 * tree-dump.c (dump_files): Initialize dump number for .cgraph
9589 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9591 * tree-ssa-structalias.c: Don't include expr.h.
9593 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9595 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9598 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9600 Fix PR tree-optimization/22279
9602 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9605 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
9607 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9609 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9611 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9612 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9613 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9614 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9615 config/stormy16/stormy16.c, config/v850/v850.c,
9616 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9617 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9618 Avoid "." or "\n" at end of diagnostics and capital letters at
9619 start of diagnostics.
9620 * combine.c, cse.c: Don't translate dump file output.
9621 * toplev.c (print_version): Only translate output if going to
9624 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9626 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9627 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9630 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9632 * pa.c (fix_range): Fix typo in comment.
9634 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9636 * tree-vrp.c (extract_range_from_assert): Replace
9637 fold (build (...)) with fold_build2.
9639 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9641 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9642 gcc_gfc_char_table, init_dynamic_gfc_info): New.
9643 (format_types_orig, handle_format_attribute): Add support for
9646 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
9648 * varasm.c (assemble_variable): Fix format specifier thinko.
9650 2005-07-03 Ira Rosen <irar@il.ibm.com>
9652 PR tree-optimization/22029 (and 22135)
9653 * tree-pretty-print.c (dump_generic_node): Check that the node is not
9654 a phi node before calling dump_vops.
9656 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9658 * tree-dump.h (dump_string_field): Declare.
9659 * tree-dump.c: Use it instead of dump_string.
9660 (dump_string_field): Make non-static.
9662 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
9664 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9665 up the minimal CFG stuff always when optimize > 0. Call
9666 split_all_insns_noflow in PIC case if needed.
9668 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9669 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9672 * c-decl.c (c_write_global_declarations): Dump contents of
9674 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9675 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9676 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9677 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9680 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9682 * c-common.h (GCC_DIAG_STYLE): Define.
9683 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
9684 version for format checking to 4.1.
9685 * c-format.c: Include toplev.h after c-common.h.
9686 (enum format_type): Add gcc_tdiag_format_type.
9687 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9688 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9689 (format_types_orig): Add gcc_tdiag.
9690 (init_dynamic_diag_info): Support gcc_tdiag formats.
9691 (handle_format_attribute): Likewise.
9692 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9693 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
9694 version for format checking to 4.1.
9695 (warning0, warning, error, pedwarn, sorry): Use
9697 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9698 (finish_aliases_1): Do not use %qE.
9699 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9700 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9701 Correct format bugs.
9702 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9703 parameter to unsigned HOST_WIDE_INT.
9704 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9706 2005-07-02 David Edelsohn <edelsohn@gnu.org>
9709 * expr.c (write_complex_part): Use adjust_address for MEM.
9710 (read_complex_part): Same.
9712 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
9714 Fix PR tree-optimization/22280
9716 * tree-sra.c (generate_element_init): Remove useless loop.
9718 2005-07-02 Richard Henderson <rth@redhat.com>
9720 * config/alpha/alpha.c (alpha_legitimize_address): Check for
9722 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9724 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
9727 * fold-const.c (fold_binary): Handle the return value of
9728 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9729 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9731 2005-07-02 Jeff Law <law@redhat.com>
9733 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9734 a eliminate type conversion which feeds an equality comparison
9735 if the original type or either operand in the comparison is a
9738 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
9740 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9741 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9743 * config/avr/avr.c: Do not use '`' as left quote.
9744 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9745 Remove "." from end of diagnostics. Make diagnostics start with
9748 2005-07-02 Zack Weinberg <zack@codesourcery.com>
9749 Joseph S. Myers <joseph@codesourcery.com>
9751 * toplev.c (default_tree_printer): Handle setting location with
9753 * c-objc.common.c (c_tree_printer): Likewise.
9754 * c-format.c (gcc_diag_flag_specs): Add '+'.
9755 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9756 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9758 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9759 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9760 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9761 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9762 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9763 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
9764 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
9765 format arguments where %J is used without %D.
9767 2005-07-02 Jakub Jelinek <jakub@redhat.com>
9769 * gcc.c (LINK_SSP_SPEC): Define.
9770 (link_ssp_spec): New variable.
9771 (LINK_COMMAND_SPEC): Add %(link_ssp).
9772 (static_specs): Add link_ssp_spec.
9773 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9774 * configure: Rebuilt.
9775 * config.in: Rebuilt.
9777 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9778 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9779 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9780 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9781 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9782 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9783 -0x7008(2) instead of reading __stack_chk_guard variable.
9784 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9786 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9787 (stack_protect_set, stack_protect_test): Use *_tls* patterns
9788 if TARGET_THREAD_SSP_OFFSET is defined.
9789 (stack_tls_protect_set_si, stack_tls_protect_set_di,
9790 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9793 2005-06-27 Richard Henderson <rth@redhat.com>
9794 * libgcc-std.ver (GCC_4.1.0): New.
9795 * libgcc.h (__stack_chk_guard): Declare.
9796 (__stack_chk_fail, __stack_chk_fail_local): Declare.
9797 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9798 * mklibgcc.in (lib2funcs): Add them.
9800 2005-07-01 Richard Henderson <rth@redhat.com>
9802 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9803 void * before struct sigcontext *.
9804 (x86_fallback_frame_state): Likewise.
9806 2005-07-01 James E. Wilson <wilson@specifixinc.com>
9808 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9810 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9813 * tree-ssa-reassoc.c (should_transpose): Fix which operand
9814 we check for SSA_NAME for.
9816 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
9818 Fix PR tree-optimization/22071
9820 * tree-ssa-structalias.c (offset_overlaps_with_access): New
9822 (get_constraint_for_component_ref): Use it.
9824 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9827 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9828 print out the last new line.
9830 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
9832 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9833 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9834 * config/cris/cris.c (cris_conditional_register_usage): Adjust
9835 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9836 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9837 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9838 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9839 (enum reg_class): New member CC0_REGS.
9840 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9841 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9842 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9843 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9844 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9845 Adjust for register now described.
9847 2005-07-01 Jakub Jelinek <jakub@redhat.com>
9850 * config/i386/i386.md (stack_protect_test_si,
9851 stack_protect_test_di): Add earlyclobber for scratch 3.
9852 * config/rs6000/rs6000.md (stack_protect_testsi,
9853 stack_protect_testdi): Add earlyclobber for scratch 3,
9854 remove earlyclobber from scratch 4.
9856 Older entries for 2005 can be found in ChangeLog-2005.