1 2005-11-25 Alan Modra <amodra@bigpond.net.au>
3 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
4 (__floatundidf, __floatundisf): Likewise.
6 2005-11-25 David Edelsohn <edelsohn@gnu.org>
8 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
9 (rs6000_override_options): Remove initialization of
11 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
12 (rs6000_emit_stack_tie): Same.
13 (emit_frame_save): Same.
14 (gen_frame_mem_offset): Same.
15 (rs6000_emit_prologue): Same.
16 (rs6000_emit_epilogue): Same.
18 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
21 * fold-const.c (fold_build): Convert bool_var != 1 and
22 bool_var == 0 to !bool_var.
24 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
27 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
28 for C being INTEGER_CST. Likewise for !=.
30 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
33 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
34 unsigned conversions from SImode to TFmode.
36 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
38 * expr.c (expand_expr_real_1): Fix error in last change.
40 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
42 * caller-save.c: (this_insn_sets): Move into:
43 (save_call_clobbered_regs).
44 (mark_set_regs): Get this_insn_sets from data.
46 (save_call_clobbered_regs): Take sets of the return value by
47 sibcalls into account.
49 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
52 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
53 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
54 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
55 (memory_move_secondary_cost, init_reg_autoinc): Remove
56 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
57 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
58 secondary_reload_class call.
59 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
61 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
62 (push_secondary_reload): Use secondary_reload target hook.
63 (secondary_reload_class, scratch_reload_class): New functions.
64 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
65 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
66 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
67 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
68 (secondary_reload_class, scratch_reload_class): Declare.
69 * reload1.c: Include target.h.
70 (reload_adjust_reg_for_temp): New function.
71 (reload_adjust_reg_for_icode): Likewise.
72 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
73 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
75 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
76 for inheritance. Support case when both secondary & tertiary reloads
77 are for intermediate registers.
78 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
79 with secondary_reload_class call. Support case when both secondary
80 & tertiary reloads are for intermediate registers.
81 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
82 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
83 * target.h (secondary_reload_info): New struct / typedef.
84 (struct gcc_target): New member secondary_reload.
85 * targhooks.c Include reload.h, optabs.h and recog.h.
86 (default_secondary_reload): New function.
87 * targhooks.h (default_secondary_reload): Declare.
88 * doc/tm.texi: Document secondary_reload target hook. Update
89 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
90 * doc/md.texi: Likewise.
92 * sh-protos.h (sh_secondary_reload): Declare.
93 * sh.c (TARGET_SECONDARY_RELOAD): Override.
94 (sh_secondary_reload): New function.
95 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
96 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
97 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
98 (HAVE_SECONDARY_RELOADS): Define.
99 * sh.md (reload_indf): Rename to:
101 (reload_outdf): Rename to:
102 (reload_outdf__RnFRm).
103 (reload_insf): Rename to:
105 (reload_insi): Rename to:
106 (reload_insi__i_fpul).
108 2005-11-24 Uros Bizjak <uros@kss-loka.si>
110 * configure.ac: Require at least texinfo 4.4.
111 * configure: Regenerate.
113 * doc/install.texi (Tools/packages necessary for building GCC):
114 Update required version of texinfo to at least 4.4.
115 (Installing GCC: Building): Update required version of texinfo
117 (Installing GCC: Final installation): Update required version
118 of texi2dvi to at least 4.4.
119 (Host/target specific installation notes for GCC): Update required
120 version of texinfo to at least 4.4.
122 2005-11-24 Richard Guenther <rguenther@suse.de>
123 Dirk Mueller <dmueller@suse.de>
126 * c-common.h (strict_aliasing_warning): Declare.
127 * c-common.c (strict_aliasing_warning): New function,
129 * c-typeck.c (build_c_cast): ... here.
131 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
133 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
135 (swap_commutative_operands_with_target): New.
137 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
139 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
140 also when doing PRE, rather than only for global CPROP.
142 2005-11-24 Ben Elliston <bje@au.ibm.com>
144 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
145 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
147 (expand_twoval_unop): Likewise.
148 (widen_clz): Likewise.
149 (expand_parity): Likewise.
150 (expand_unop): Likewise.
151 (emit_cmp_and_jmp_insn_1): Likewise.
152 (prepare_float_lib_cmp): Likewise.
154 2005-11-24 Ben Elliston <bje@au.ibm.com>
156 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
157 Remove unused `class' variable.
159 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
162 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
163 C/C++ diagnostic function warn_array_subscript_with_type_char.
164 * c-common.h (warn_array_subscript_with_type_char): Declare.
165 * c-common.c (warn_array_subscript_with_type_char): Define.
167 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
170 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
171 compiling at the intersection of C and C++.
173 2005-11-23 Mark Mitchell <mark@codesourcery.com>
175 * doc/invoke.texi: For man pages, include gcc-vers.texi.
176 List @file in the option summary. Include the libiberty
177 documentation for @file.
178 * gcc.c (main): Call expandargv.
179 * Makefile.in (gcc-vers.texi): Define srcdir.
181 2005-11-23 Diego Novillo <dnovillo@redhat.com>
183 * passes.c (init_optimization_passes): Document
184 sequencing of passes.
186 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
188 * config/m68k/predicates.md (pcrel_address, extend_operator,
189 post_inc_operand, pre_dec_operand): Remove redundant
191 (const_uint32_operand, const_sint32_operand): Use gcc_assert
193 (valid_dbcc_comparison_p): Rewrite in the lisp style.
195 2005-11-23 Ben Elliston <bje@au.ibm.com>
197 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
199 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
201 Preparatory work for PR target/21623:
202 * alpha.c (secondary_reload_class): Rename to:
203 (alpha_secondary_reload_class).
204 * alpha.h, alpha-protos.h: Likewise.
205 * mn10300.c (secondary_reload_class): Rename to:
206 (mn10300_secondary_reload_class).
207 * mn10300.h, mn10300-protos.h: Likewise.
208 * pa.c (secondary_reload_class): Rename to:
209 (pa_secondary_reload_class).
210 * pa.h, pa-protos.h: Likewise.
211 * rs6000.c (secondary_reload_class): Rename to:
212 rs6000_secondary_reload_class.
213 * rs6000.h, rs6000-protos.h: Likewise.
215 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
218 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
220 2005-11-22 Ian Lance Taylor <ian@airs.com>
222 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
224 (prepare_cmp_insn): Likewise.
226 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
229 * m68k.md (zero_extendsidi2): Force operands[1] to a register
230 if both operands[0] and operands[1] are memory.
232 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
235 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
236 COMPARISON_CLASS_P and an integral types create create a new
237 expression with the new type and fold that.
239 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
242 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
243 to SUBTARGET_OS_CPP_BUILTINS.
245 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
247 * arm.c (emit_set_insn): New function.
248 (arm_split_constant): Call it.
249 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
250 (arm_legitimize_address): Likewise. Use plus_constant.
251 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
252 (thumb_expand_prologue): Likewise.
253 (arm_gen_load_multiple): Use VOIDmode in SET.
254 (arm_gen_store_multiple): Likewise.
255 (vfp_emit_fstmx): Likewise. Use plus_constant.
256 (emit_multi_reg_push): Likewise.
257 (emit_sfm): Use plus_constant.
259 2005-11-23 Alan Modra <amodra@bigpond.net.au>
262 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
265 2005-11-22 Alan Modra <amodra@bigpond.net.au>
268 * expmed.c (store_bit_field): Don't attempt to insv a field
271 2005-11-22 Alan Modra <amodra@bigpond.net.au>
274 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
275 explicit sign extension, not a (char) cast.
277 2005-11-22 Ben Elliston <bje@au.ibm.com>
279 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
280 GET_MODE_CLASS (x) == MODE_FLOAT.
281 * config/i386/i386.c: Likewise.
282 * config/rs6000/xcoff.h: Likewise.
283 * config/rs6000/linux64.h: Likewise.
284 * config/rs6000/rs6000.c: Likewise.
285 * config/rs6000/rs6000.h: Likewise.
286 * config/rs6000/predicates.md: Likewise.
287 * config/rs6000/sysv4.h: Likewise.
289 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
291 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
294 * config/alpha/freebsd.h, config/alpha/linux.h,
295 config/arm/linux-elf.h, config/bfin/bfin.h,
296 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
297 config/i386/beos-elf.h, config/i386/gnu.h,
298 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
299 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
300 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
301 config/rs6000/linux64.h, config/rs6000/sysv4.h,
302 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
303 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
304 config/sparc/linux.h, config/sparc/linux64.h,
305 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
307 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
308 are both defined when either flag -fpic or -fPIC are used.
310 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
312 * config/fp-bit.c (clzusi): New function.
313 (si_to_float, usi_to_float): Use it to compute proper shift.
314 (usi_to_float): Preserve guard bits when shifting right.
315 * libgcc-std.ver (GCC_4.2.0): New version.
316 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
317 __floatundisf): New functions.
318 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
319 __floatundisf): Declare.
320 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
321 _floatundixf, and _floatunditf.
322 * optabs.c (expand_float): If target does not define a pattern for
323 signed or unsigned conversion, use an unsigned libcall instead of
325 (init_optabs): Initialize ufloat_optab.
327 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
329 * config/rs6000/rs6000.opt (mmulhw): New option.
330 * doc/invoke.texi (-mmulhw): Document.
331 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
333 * config/rs6000/rs6000.md: Add half-word multiply and
334 multiply-accumulate instructions for 405 and 440.
336 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
338 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
339 which matches behavior of gcc 4.0 and older for RTEMS targets. The
340 default now includes a linker group which makes the RTEMS one nest.
342 2005-11-22 Ben Elliston <bje@au.ibm.com>
344 * cse.c (fold_rtx): Typo fix.
345 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
347 2005-11-21 Richard Henderson <rth@redhat.com>
349 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
350 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
352 * c-tree.h (lookup_name): Move declaration ...
353 * c-common.h (lookup_name): ... here.
354 * config/darwin-c.c: Include c-common.h.
355 * config/t-darwin: Update dependencies.
357 2005-11-22 Ben Elliston <bje@au.ibm.com>
359 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
360 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
361 * genopinit.c (gen_insn): Likewise.
362 * reload.c (find_equiv_reg): Likewise.
363 * loop.c (load_mems): Likewise.
364 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
365 * cse.c (find_comparison_args, fold_rtx): Likewise.
366 * dwarf2out.c (add_const_value_attribute): Likewise.
367 * expr.c (convert_move): Likewise.
368 * recog.c (general_operand, register_operand): Likewise.
369 * reg-stack.c (replace_reg): Likewise.
370 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
371 * c-common.c (handle_vector_size_attribute): Likewise.
372 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
373 (simplify_binary_operation_1): Likewise.
374 (simplify_const_binary_operation): Likewise.
375 (simplify_relational_operation): Likewise.
376 (simplify_const_relational_operation): Likewise.
377 (simplify_immed_subreg): Likewise.
378 * emit-rtl.c (gen_lowpart_common): Likewise.
379 * expmed.c (expand_mult): Likewise.
380 * stor-layout.c (layout_type): Likewise.
382 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
385 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
386 cst2 only for SPE vectors.
388 2005-11-21 David Edelsohn <edelsohn@gnu.org>
391 * config/rs6000/predicates.md (vrsave_operation): Check
392 UNSPEC_VOLATILE value.
394 2005-11-21 Jan Hubicka <jh@suse.cz>
396 PR tree-optimization/24653
397 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
399 2005-11-21 Uros Bizjak <uros@kss-loka.si>
401 * config/i386/predicates.md (ax_reg_operand): New predicate.
402 (memory_displacement_only_operand): New predicate.
403 * config/i386/i386.md ("modrm" attribute): Return 0 if one
404 operand is AX register and the other operand is memory operand
405 with displacement only.
407 2005-11-21 Uros Bizjak <uros@kss-loka.si>
409 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
410 if we don't care about NaNs or Infinities.
412 2005-11-20 Ian Lance Taylor <ian@airs.com>
414 PR rtl-optimization/24883
415 * combine.c (combinable_i3pat): When checking whether the
416 destination of i3 is used in i3, consider paradoxical subregs.
418 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
421 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
423 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
425 * combine.c (try_combine): Do not run subst on i1src and i2src in
426 the case of generating a PARALLEL for a comparison.
428 2005-11-20 Richard Henderson <rth@redhat.com>
431 * tree-sra.c (struct sra_elt): Add all_no_warning.
432 (struct sra_walk_fns) <use>: Add use_all argument.
433 (sra_walk_expr): Pass it.
434 (sra_walk_modify_expr): Likewise.
435 (scalarize_ldst): Likewise.
436 (scan_use): Update for new argument.
437 (mark_no_warning): New.
438 (scalarize_use): Use it.
440 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
442 * expr.c (expand_expr_real): Use usmul_optab for widening
443 signed * unsigned multiplies.
444 * genopinit.c (optabs): Add usmul_widen_optab.
445 * optabs.c (init_optabs): Likewise.
446 * optabs.h (enum optab_index): Add OTI_usmul_widen.
447 (usmul_widen_optab): Define.
448 * config/bfin/bfin.md (usmulhisi3): New pattern.
450 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
452 2005-11-20 Graham Stott <btinternet.com>
454 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
456 2005-11-20 Andreas Schwab <schwab@suse.de>
459 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
462 2005-11-19 Richard Henderson <rth@redhat.com>
465 * tree-gimple.c (is_gimple_id): Export.
466 * tree-gimple.h (is_gimple_id): Declare.
467 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
468 (get_default_value): Use it.
469 (maybe_fold_stmt_indirect): Likewise.
471 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
473 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
474 than VR1 or vice-versa.
476 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
480 * reload.c (find_reloads_address_1): Mention dependency on
482 * reload1.c (gen_reload): For IN with an unary operation, try
483 moving inner expression to OUT if trivial SET is not valid.
484 Confirm that the result is valid. Move common code block into...
485 (emit_insn_if_valid_for_reload): New function.
487 2005-11-19 Richard Guenther <rguenther@suse.de>
489 * fold-const.c (fold_indirect_ref_1): Make sure we fold
490 ARRAY_REFs of constant strings.
492 2005-11-19 Jakub Jelinek <jakub@redhat.com>
494 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
497 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
499 * combine.c (make_compound_operation): Swap operands of
500 commutative operation if necessary before returning.
502 2005-11-19 Richard Guenther <rguenther@suse.de>
505 * fold-const.c (fold_plusminus_mult_expr): New function.
506 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
507 cases, remove now unnecessary code.
509 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
511 * gensupport.c (old_preds): Rename to std_preds, add special field.
512 (struct old_pred_table): Rename to struct std_pred_table, add special
514 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
515 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
516 (init_predicate_table): Adjust, and set along the way whether a
517 predicate is special.
519 2005-11-18 Mark Mitchell <mark@codesourcery.com>
521 * BASE-VER: Change to 4.2.0.
523 2005-11-18 James E Wilson <wilson@specifix.com>
525 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
528 2005-11-18 Mike Stump <mrs@apple.com>
530 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
531 * config/darwin-c.c (darwin_pragma_unused): Likewise.
532 * c-decl.c (lookup_name_two) Remove.
533 * c-tree.h (lookup_name_two): Remove.
534 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
535 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
536 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
537 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
539 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
542 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
543 when not generating code to use that co-processor.
545 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
547 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
548 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
549 these functions are now in tree-phinodes.c.
551 2005-11-18 Jie Zhang <jie.zhang@analog.com>
553 * config/bfin/bfin.md (trap): New pattern.
555 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
557 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
560 * expr.c (expand_expr_real): Don't call record_block_change unless
561 ib_boundaries_block is non-null
563 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
565 * fold-const.c (build_range_check): Use proper type for subtraction
566 when merging lower bound.
568 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
570 PR rtl-optimization/24497
571 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
574 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
576 * tree-scalar-evolution.c (expression_expensive_p): New function.
577 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
579 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
581 * config/bfin/crtlibid.s: New file.
583 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
586 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
587 when not using sjlj exceptions.
588 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
589 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
590 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
591 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
592 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
593 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
594 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
595 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
596 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
597 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
598 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
599 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
600 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
602 * config/pa/hpux-unwind.h: New file.
604 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
606 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
607 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
608 * varasm.c (do_assemble_alias): Adjust call.
609 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
611 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
613 2005-11-17 James E Wilson <wilson@specifix.com>
615 * tree.def (FUNCTION_DECL): Correct typo in comment.
617 2005-11-17 Richard Henderson <rth@redhat.com>
619 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
620 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
621 and DW_CFA_def_cfa_sf.
622 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
623 (dbx_reg_number): Don't assert particular registers here.
624 (based_loc_descr): ... do it here instead. Fold in ...
625 (eliminate_reg_to_offset): ... this function.
626 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
627 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
628 * unwind-dw2.c (execute_cfa_program): Apply data align factor
629 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
630 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
631 (instantiate_virtual_regs): Likewise.
632 * var-tracking.c (adjust_stack_reference): Likewise.
633 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
635 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
637 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
638 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
639 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
641 ($(T)crtlibid.o): New rule.
643 2005-11-16 Richard Guenther <rguenther@suse.de>
646 * fold-const.c (extract_array_ref): Return byte offset
648 (fold_binary): Fold &x[a] CMP &x[b] to
649 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
652 2005-11-16 Richard Henderson <rth@redhat.com>
655 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
656 parts of an SSA_NAME.
658 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
661 * arm.md (split for movsf with immediate): Restrict split to insns
662 that set a general register.
664 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
666 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
668 * unwind-dw2.c (uw_advance_context): Likewise.
669 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
670 _Unwind_SjLj_Unregister.
671 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
673 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
675 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
677 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
679 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
680 langhook to get a DImode integer type.
682 2005-11-16 Richard Henderson <rth@redhat.com>
683 J"orn Rennecke <joern.rennecke@st.com>
684 Ulrich Weigand <uweigand@de.ibm.com>
688 * reload1.c (reg_equiv_invariant): New.
689 (reload): Allocate, initialize, and free it.
690 (calculate_needs_all_insns): Check it when skipping equivalence
692 (alter_reg): Likewise.
693 (eliminate_regs_1): Rename from eliminate_regs. Add new
694 may_use_invariant argument; only use reg_equiv_invariant when true.
695 (eliminate_regs): New.
696 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
697 a context for which may_use_invariant may be true.
699 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
701 * fold-const.c (const_binop): Don't constant fold the operation
702 if the result has overflowed and flag_trapping_math.
703 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
705 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
707 * config/arm/unwind-arm.c (abort): Add prototype here.
708 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
709 (struct phase1_vrs): Add prev_sp.
710 (unwind_phase2_forced): Save the original core registers instead of
711 modifying entry_vrs. Take a new flag argument for resuming unwinding
712 and set action flags accordingly. Always set _US_END_OF_STACK when
713 get_eit_entry fails. Unwind before calling the stop function.
714 (_Unwind_GetCFA): New function.
715 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
716 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
717 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
718 just call unwind_phase2_forced.
719 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
720 * config/arm/unwind-arm.h (abort): Remove prototype.
721 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
723 (_Unwind_GetCFA): New prototype.
724 * config/arm/pr-support.c (abort): Add prototype here.
725 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
727 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
728 not schedule the prologue with non-call exceptions and EABI.
730 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
732 * config/arm/unwind-arm.h: Reorder interface function declarations.
733 (_URC_END_OF_STACK): New enumeration value.
734 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
735 (struct _Unwind_Control_Block): Document reserved field use.
736 (_Unwind_Stop_Fn): New typedef.
737 (_Unwind_ForcedUnwind): Declare.
738 (_Unwind_Resume_or_Rethrow): Declare.
739 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
741 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
742 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
743 (UCB_FORCED_STOP_ARG): New.
744 (search_EIT_table): Update boundary condition checks.
745 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
746 (unwind_phase2): Replace for with do..while.
747 (unwind_phase2_forced): New.
748 (__gnu_Unwind_RaiseException): Replace for with do..while.
749 (__gnu_Unwind_ForcedUnwind): New.
750 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
751 Use appropriate phase2 unwinder.
752 (__gnu_Unwind_Resume_or_Rethrow): New.
753 (__gnu_unwind_pr_common): Cope with forced unwinding.
755 2005-11-16 David Edelsohn <edelsohn@gnu.org>
758 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
760 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
761 roundsf2): Remove "s" from mnemonic.
763 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
765 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
767 * config/bfin/crtn.s: Change epilogues to match.
768 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
769 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
772 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
775 * doc/invoke.texi: Distinguish between free and fixed form instead of
776 Fortran and Fortran 90/95. Remove ratfor from the list of supported
778 * gcc.c (default_compilers): Remove double entries, add entries for
779 suffixes '.F90' and '.F95'.
781 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
783 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
784 in the stack probing loop.
786 2005-11-15 David Edelsohn <edelsohn@gnu.org>
788 * configure.ac: Use .machine power5 not power5x.
789 * configure: Regenerate.
791 2005-11-15 Mike Stump <mrs@apple.com>
793 * c-decl.c (lookup_name_two): Add.
794 * c-tree.h (lookup_name_two): Likewise.
795 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
796 * config/darwin-c.c (darwin_pragma_unused): Likewise.
798 2005-11-16 Alan Modra <amodra@bigpond.net.au>
800 PR rtl-optimization/23392
801 * regrename.c (enum scan_actions) Add mark_access.
802 (scan_actions_name): Ditto.
803 (scan_rtx_reg): Handle mark_access.
804 (scan_rtx_address): Do nothing for mark_access.
805 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
806 and regs in REG_INC notes before closing chains for dead regs.
807 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
808 opening chains for new writes.
810 2005-11-15 David Edelsohn <edelsohn@gnu.org>
812 * c.opt (ffixed-line-length-none): New.
814 2005-11-15 Steve Ellcey <sje@cup.hp.com>
816 * mklibgcc.in: Change contents of eh_dummy.c.
818 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
820 * loop.c (scan_loop): Do not insert temporaries for hard registers.
822 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
824 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
826 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
828 2005-11-15 Jan Hubicka <jh@suse.cz>
830 * invoke.texi (large-unit-insns): Document.
831 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
832 * params.def (large-unit-insns): New param.
834 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
837 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
838 special register for operand 3. Reindent constraints to align
841 2005-11-14 David Edelsohn <edelsohn@gnu.org>
843 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
844 -mpopcntb, -mfprnd. Add -mcpu=power5+.
845 * configure.ac: Add test for FP rounding instructions.
846 * configure: Regenerate.
847 * config.in: Regenerate.
848 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
849 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
851 * config/rs6000/rs6000.opt (mfprnd): New.
852 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
853 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
854 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
855 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
857 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
859 (btrunc<mode>2): New.
864 2005-11-14 Geoffrey Keating <geoffk@apple.com>
866 * gcc.c (version_compare_spec_function): Use fatal() rather than
869 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
870 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
871 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
873 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
876 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
877 on -mmacosx-version-min setting.
879 2005-11-14 Diego Novillo <dnovillo@redhat.com>
882 * tree-vrp.c (infer_value_range): Return false if STMT is a
883 block terminator and its basic block has no successors.
885 2005-11-14 Mike Stump <mrs@apple.com>
887 * config/i386/i386.c (override_options): -masm=intel isn't
889 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
891 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
893 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
894 vfork after including auto-host.h.
896 2005-11-15 Alan Modra <amodra@bigpond.net.au>
898 PR rtl-optimization/22002
899 * combine.c (distribute_notes): Detect cases where a reg dies
900 two or more times in a bb, including on the insn we are combining,
901 and place the death note on the correct range.
903 2005-11-14 Dale Johannesen <dalej@apple.com>
905 * expmed.c (store_bit_field): Add offset unconditionally for
907 (extract_bit_field): Don't force extzv or extv operand into
908 a register if field is too big.
910 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
912 * config/arm/arm.c (pic_labelno): New.
913 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
914 LABEL_REF. Pass only the labelno to PIC insns.
915 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
916 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
917 * arm.md (UNSPEC_PIC_LABEL): New constant.
918 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
919 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
920 Use the correct label prefix.
922 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
924 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
927 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
929 * loop-invariant.c: Include tm_p.h.
930 * Makefile.in: Updated.
932 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
934 * pa.c (store_reg): Revise generation of frame notes in large frames.
935 (set_reg_plus_d): Likewise.
937 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
939 PR tree-optimization/24709
940 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
943 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
945 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
946 and duplicate declaration of pthread_self.
948 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
949 Ian Lance Taylor <ian@airs.com>
952 * calls.c (expand_call): If TARGET is a MEM and some part of the
953 argument area has been saved, force TARGET to a register.
955 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
957 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
960 2005-11-13 Jason Merrill <jason@redhat.com>
963 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
964 lazily declared methods.
965 (force_decl_die): Stop if forcing out the context already make a
967 (force_type_die): Likewise.
969 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
972 * builtins.c (integer_valued_real_p): Add break in
973 REAL_CST having TREE_OVERFLOW set.
975 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
977 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
978 addressing modes during calculation of costs.
980 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
982 * function.c (assign_stack_local_1): Restrict sanity check
983 on frame size overflow to 32-bit and above platforms.
985 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
987 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
988 * config/cris/cris.c: Include reload.h.
989 (cris_initial_elimination_offset): New function.
990 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
993 2005-11-12 Richard Guenther <rguenther@suse.de>
995 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
997 2005-11-12 Jan Hubicka <jh@suse.cz>
999 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1000 to compare against 0 when possible.
1002 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1004 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1005 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1006 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1007 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1010 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1012 * recog.c (constrain_operands) <case 'g'>: For a match, require
1013 that a non-register matches general_operand when strict >= 0.
1015 2005-11-11 Steven Bosscher <stevenb@suse.de>
1017 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1020 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1022 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1023 (memory_address_same): New.
1024 (dse_optimize_stmt): Call memory_address_same.
1026 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1029 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1030 ZERO_EXTEND>: New cases.
1032 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1034 * longlong.h (__clz_tab): Always provide.
1036 2005-11-11 Steven Bosscher <stevenb@suse.de>
1039 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1041 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1042 before check_maybe_invariant.
1043 (move_invariant_reg): Use gen_move_insn instead of replacing
1044 SET_DEST with the temporary for the invariant.
1045 (move_loop_invariants): If checking is enabled, do internal
1046 consistency checks after completing the pass.
1048 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1051 * common.opt (Wvolatile-register-var): New.
1052 * varasm.c (make_decl_rtl): Only emit warning when option
1053 specified. Clarify warning message.
1054 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1056 * doc/md.texi (copysign): Document standard named pattern.
1058 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1060 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1061 bytes when align is 2.
1062 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1063 by the first instruction of the loop.
1065 2005-11-11 Jason Merrill <jason@redhat.com>
1068 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1071 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1073 PR rtl-optimization/22509
1074 * local-alloc.c (memref_used_between_p): Check whether a function call
1075 could not reference the memref.
1077 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1079 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1080 algorithm so as to choose the best, not the worst, alternative.
1081 Reset accumulated register class before processing next alternative.
1083 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1086 * calls.c (expand_call): Copy a return value to a plain register
1089 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1092 * varasm.c (assemble_name): Recompute name only for transparent
1095 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1097 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1099 2005-11-04 Jeff Law <law@redhat.com>
1102 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1103 perform reassociation if the parent statement will not die as
1104 a result of the optimization.
1106 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1108 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1109 delete_old_heap_vars.
1110 * tree-dfa.c (referenced_var_remove): Remove function.
1111 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1112 (delete_tree_ssa): Remove call to delete_old_heapvars.
1113 Add call to delete_alias_heapvars.
1114 * tree-flow.h (referenced_var_remove): Remove prototype
1115 (init_alias_heapvars): New prototype.
1116 (delete_alias_heapvars): Ditto.
1117 * Makefile.in (tree-ssa-structalias.o): Add
1118 gt-tree-ssa-structalias.o
1119 (GTFILES): Add tree-ssa-structalias.h and
1120 tree-ssa-structalias.c.
1121 (s-gtype): Add gt-tree-ssa-structalias.h.
1122 * tree-ssa-structalias.c (heapvars): Remove.
1123 (oldheapvars): Remove.
1124 (heapvar_for_stmt): New variable.
1125 (heapvar_lookup): New function.
1126 (heapvar_insert): Ditto.
1127 (get_constraint_for): See if we have an old heapvar
1129 (init_alias_heapvars): New function.
1130 (delete_alias_heapvars): Ditto.
1131 Add include of gt-tree-ssa-structalias.h.
1133 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1136 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1138 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1140 * tree.c (int_fits_type_p): Only look at the base type
1141 if it has the same precision as the original type.
1143 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1146 * varasm.c (assemble_alias): Use %q+D in the error
1147 message instead of %J and %qD.
1149 2005-11-10 Richard Guenther <rguenther@suse.de>
1151 * gcse.c (free_ldst_entry): Only free hashtable if
1154 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1156 * function.c (assign_stack_local_1): Issue an error message if
1157 the frame size overflows in the signed target arithmetics.
1159 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1161 * tree.c (build_qualified_type): Chain the new type to the original
1162 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1163 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1164 (build_pointer_type_for_mode): Only return unqualified types.
1165 (build_reference_type_for_mode): Likewise.
1167 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1169 * Makefile.in (gnucompare): Do comparison of all files using one of
1170 the chosen methods and only afterwards decide if just warning should
1171 be issued or comparison failure raised.
1173 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1175 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1176 (noce_try_abs): Negate if the comparison is reversed.
1177 Look only one instruction backwards for a REG_EQUAL note.
1179 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1182 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1183 gthr-tpf.h: Define __gthrw. For all identifiers that might
1184 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1185 and prefix all uses with __ghtrw.
1187 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1190 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1191 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1192 * c-common.c (handle_weakref_attribute): New.
1193 (c_common_attribute_table): Add weakref.
1194 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1196 * configure, config.in: Rebuilt.
1197 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1198 * doc/extend.texi: Document weakref attribute.
1199 * varasm.c (ultimate_transparent_alias_target): New
1200 (assemble_name): Use it.
1201 (weak_finish_1): Split out of...
1202 (weak_finish): ... and deal with weakrefs in...
1203 (weakref_targets): ... new list.
1204 (globalize_decl): Clean up weakref_targets.
1205 (do_assemble_alias): Handle weakrefs.
1206 (finish_aliases_1): Do not reject weakrefs to external symbols.
1207 (assemble_alias): Handle weakrefs.
1209 2005-11-09 Richard Guenther <rguenther@suse.de>
1211 PR tree-optimization/24716
1212 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1213 t_bool to track results from follow_ssa_edge.
1215 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1217 * final.c (force_source_line): New global variable.
1218 (final_scan_insn): Set it to true instead of clearing last_filename.
1219 (notice_source_line): Return true if force_source_line is true,
1220 unless source info is absent.
1222 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1225 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1226 a linkage name for a variable if it a register variable.
1227 * c-decl.c (grokdeclarator): Global register variables
1228 should be set as PUBLIC.
1230 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1233 * config/s390/s390.c (struct s390_frame_layout): New fields
1234 first_save_gpr_slot and last_save_gpr_slot.
1235 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1236 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1237 first_save_gpr and last_save_gpr with the _slot variants.
1238 (s390_register_info): Calculate first_save_gpr_slot and
1239 last_save_gpr_slot using regs_ever_live.
1241 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1244 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1245 for a function containing a landing pad.
1247 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1250 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1253 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1255 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1256 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1258 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1261 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1263 (call,load,store): New insn types.
1264 (mem_access, branch_access): Adjust reservation conditions.
1265 (define_delay): Adjust condition.
1266 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1268 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1269 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1271 (call_internal, call_value_internal, return_internal,
1272 return_interrupt_internal, eh_return_internal, indirect_jump,
1273 tablejump): Set call insn type.
1274 (blockage, ei, di): Use appropriate unspec const.
1275 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1276 (ms1_get_attr_type): Adjust to give load & store types.
1277 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1278 backwards past a barrier.
1279 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1281 (struct branch_info, struct label_info): New.
1283 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1284 (ms1_machine_reorg): New.
1285 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1286 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1287 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1288 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1291 2005-11-09 Per Bothner <per@bothner.com>
1292 Uros Bizjak <uros@kss-loka.si>
1295 * toplev.c (process_options): Initialize debug_hooks early
1296 in case lang_hooks.post_options ends up calling a debug_hook.
1298 2005-11-08 Jakub Jelinek <jakub@redhat.com>
1300 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1301 DBX_REGISTER_NUMBER being contiguous.
1303 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
1304 Diego Novillo <dnovillo@redhat.com>
1307 * tree-vrp.c (register_edge_assert_for): Do not register
1308 always-false predicates.
1310 2005-11-08 Devang Patel <dpatel@apple.com>
1312 PR tree-optimization/23115
1313 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1316 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
1318 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1321 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
1323 Fix PR tree-optimization/23382
1325 * tree-ssa-alias.c (compute_may_aliases): Call
1326 delete_old_heap_vars.
1327 * tree-dfa.c (referenced_var_remove): New function.
1328 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1329 * tree-flow.h (referenced_var_remove): Add prototype.
1330 (delete_old_heap_vars): Ditto.
1331 * tree-ssa-structalias.c (heapvars): New variable.
1332 (oldheapvars): Ditto.
1333 (get_constraint_for): Put heap vars on heapvars list.
1334 (delete_old_heap_vars): New function.
1336 2005-11-08 Jason Merrill <jason@redhat.com>
1338 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1340 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1343 * reg-stack.c (reg_to_stack): Update register liveness also
1344 for flag_sched2_use_traces.
1346 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1349 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1350 override prior explicit -mno-powerpc-gfxopt.
1352 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1354 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1355 if the bitsize is zero.
1356 * doc/md.texi (Standard Pattern Names): Document it.
1358 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1359 (TARGET_PASS_BY_REFERENCE): Likewise.
1361 2005-11-07 Ian Lance Taylor <ian@airs.com>
1363 PR rtl-optimization/24683
1364 * config/i386/i386.c (legitimize_pic_address): If constant operand
1365 to PLUS is too large, put it in a register.
1367 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1369 * configure.ac: Enable checking assembler dwarf2 support for bfin
1371 * configure: Regenerate.
1373 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1377 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1378 gen_easy_vector_constant_add_self): Delete.
1379 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1381 (output_vec_const_move): Use gen_easy_altivec_constant.
1382 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1383 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1384 (easy_vector_constant_add_self): Rewritten.
1385 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1386 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1387 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1388 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1389 Macroize and adjust for the other changes.
1391 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1395 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1396 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1398 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1400 PR rtl-optimization/23567
1401 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1402 (noce_process_if_block): Don't do any optimizations except
1403 if (cond) x = x; if !set_b and write into orig_x may trap
1404 or fault. Remove the MEM_READONLY_P check.
1406 2005-11-06 Diego Novillo <dnovillo@redhat.com>
1409 * tree-vrp.c (fix_equivalence_set): New.
1410 (extract_range_from_assert): Call it.
1412 2005-11-05 Ian Lance Taylor <ian@airs.com>
1415 * combine.c (apply_distributive_law): Don't distribute across a
1418 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
1420 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1421 config/ms1/ms1.h, config/rs6000/predicates.md,
1422 config/s390/s390.c, params.def, postreload-gcse.c,
1423 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1424 tree-vrp.c, tree.c: Fix comment typos.
1425 * doc/invoke.texi: Fix typos.
1427 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
1429 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1430 for testing whether the data_dependence_relation contains distance
1431 vectors. Iterate over all distance vectors of the ddr.
1432 * lambda.h: Define a vec of lambda_vector pointers.
1433 * tree-data-ref.c (dump_data_dependence_relation,
1434 dump_data_dependence_direction): Iterate over all distance and
1435 direction vectors of the ddr.
1436 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1438 (build_classic_dist_vector, build_classic_dir_vector): Push a set
1439 of distance/direction vectors instead of a single one.
1440 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1441 lambda_vectors with a vec of lambda_vectors.
1442 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1443 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1444 DDR_NUM_DIST_VECTS): New.
1445 * tree-loop-linear.c (gather_interchange_stats): Test for the
1446 existence of distance vectors only after having checked that there
1447 is a dependence. Iterate over all distance vectors of the ddr.
1448 (linear_transform_loops): Use dump_data_dependence_relation.
1449 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1450 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
1451 distance vectors of the ddr.
1453 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
1455 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1456 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1457 IS_INTHANDLER; all callers changed.
1458 (n_regs_saved_by_prologue): Take interrupt handler attributes into
1460 (do_link, do_unlink): New argument ALL; all callers changed.
1461 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1462 If function isn't leaf, save and restore all registers.
1463 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1466 2005-11-05 Jan Hubicka <jh@suse.cz>
1468 PR rtl-optimization/23490
1469 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1470 max-flow-memory-location): Document.
1471 * flow.c: Include params.h
1472 (MAX_MEM_SET_LIST_LEN): Kill.
1473 (add_to_mem_set_list): Use new param.
1474 * cse.c (cse_basic_block): Replace 1000 by new param.
1475 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1476 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1477 * predict.c (predict_loops): Use new param.
1478 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1480 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1481 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1482 Do not hold memory returned by cgraph_node_name across other call.
1484 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
1487 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1490 2005-11-04 Jeff Law <law@redhat.com>
1493 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1494 * tree-ssa-dom.c: Include params.h.
1495 (thread_across_edge): If there are too many statements in the
1496 target block, then do not thread through it.
1497 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1498 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1500 2005-11-03 Diego Novillo <dnovillo@redhat.com>
1503 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1504 TODO_update_ssa instead of TODO_update_ssa_no_phi.
1506 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
1509 * tree-scalar-evolution.c (instantiate_parameters_1,
1510 instantiate_parameters, resolve_mixers): Compute the size of an
1511 expression to be instantiated and give up the instantiation if the
1512 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1514 2005-11-04 Richard Guenther <rguenther@suse.de>
1516 * tree-flow.h (ref_contains_indirect_ref): Rename to
1517 array_ref_contains_indirect_ref.
1518 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1519 (array_ref_contains_indirect_ref): Make comment match the code
1521 (ref_contains_array_ref): Likewise.
1522 * tree-ssa-structalias.c (find_func_aliases): Remove call to
1523 ref_contains_indirect_ref.
1524 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1525 Rename calls to ref_contains_indirect_ref.
1527 2005-11-04 Paul Brook <paul@codesourcery.com>
1529 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1530 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1531 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1532 * config/arm/arm.md: Use match_operand in peephole input templates
1533 and match_dup in peephole output templates.
1535 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1537 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1540 2005-11-04 Mark Mitchell <mark@codesourcery.com>
1541 Daniel Jacobowitz <dan@codesourcery.com>
1543 * longlong.h (add_ssaaaa): Clobber condition code register
1545 (sub_ddmmss): Likewise.
1546 (umul_ppmm): Likewise.
1548 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1549 Paul Brook <paul@codesourcery.com>
1550 Phil Blundell <pb@reciva.com>
1552 * configure.ac: Add test for ARM TLS support.
1553 * configure: Regenerated.
1554 * config/arm/arm-protos.h (legitimize_tls_address)
1555 (arm_tls_referenced_p, tls_mentioned_p)
1556 (arm_output_addr_const_extra): New prototypes.
1557 (thumb_legitimize_pic_address): Delete.
1558 * config/arm/arm.c: Include "gt-arm.h".
1559 (enum tls_reloc): New.
1560 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1561 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1562 (arm_call_tls_get_addr, legitimize_tls_address)
1563 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1564 (arm_init_tls_builtins, arm_emit_tls_decoration)
1565 (arm_output_addr_const_extra): New functions.
1566 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1567 (TARGET_HAVE_TLS): Define.
1568 (target_thread_pointer): New.
1569 (arm_override_options): Handle -mtp=.
1570 (legitimize_pic_address): Ignore UNSPECs.
1571 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1573 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1574 (tls_get_addr_libfunc): New variable.
1575 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1576 (arm_init_builtins): Call arm_init_tls_builtins.
1577 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1578 (arm_encode_section_info): Call default_encode_section_info.
1579 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1580 (enum arm_tp_type): New.
1581 (target_thread_pointer): Add declaration.
1582 (LEGITIMATE_CONSTANT_P): Handle TLS.
1583 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1584 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1585 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1586 * config/arm/arm.md: Add UNSPEC_TLS.
1587 (movsi): Handle TLS.
1588 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1590 (tls_load_dot_plus_eight): New insn and a peephole to create it.
1591 (load_tp_hard, load_tp_soft): New insns.
1592 * arm.opt: Add -mtp=.
1593 * doc/invoke.texi (ARM Options): Document -mtp.
1595 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1597 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1598 * config/arm/libunwind.S: Include "lib1funcs.asm".
1599 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1600 (LIB2ADDEH): Add libunwind.S.
1601 (LIB2ADDEHDEP): Add lib1funcs.asm.
1602 * mklibgcc.in: Handle asm files in libgcc_eh.a.
1604 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1607 * gcc/c.opt: Add a -lang-fortran option.
1608 * gcc/c-opts.c: Add a lang_fortran flag.
1609 (c_common_init_options): Handling the -lang-fortran option.
1610 (c_common_handle_option): Add a case for Fortran options in
1611 preprocessing. Remove cases for -ffixed-form and
1612 -ffixed-line-length. Add a case for -lang-fortran.
1614 2005-11-03 David Edelsohn <edelsohn@gnu.org>
1616 * config/rs6000/rs6000.c: Include params.h
1617 (optimization_options): Set max-grow-copy-bb-insns default to 16.
1618 (bdesc_2arg): Delete vpkuhss and vpkuwss.
1619 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1620 (UNSPEC_VPKUWSS): Delete.
1621 (altivec_vpkuhss): Delete.
1622 (altivec_vpkuwss): Delete.
1623 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1625 (neg_eq0<mode>): Remove final condition.
1626 (neg_eq<mode>): Remove condition and split-condition.
1628 2005-11-04 Alan Modra <amodra@bigpond.net.au>
1630 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1631 Use associated print macros.
1633 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1636 * diagnostic.c (diagnostic_set_info_translated): New function.
1637 (diagnostic_set_info): Use it. Add comment.
1638 * diagnostic.h (diagnostic_set_info_translated): Declare.
1640 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
1642 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1643 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1644 reference only if 'public' is true.
1645 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1646 emit the .hidden directive only if the indirect reference is public.
1647 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1648 Pass it to dw2_force_const_mem.
1649 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1650 * dwarf2out.c (output_cfi): Adjust calls to above function.
1651 (output_call_frame_info): Likewise.
1652 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1653 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1655 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
1657 PR tree-optimization/24483
1658 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1659 field to elts if possible.
1661 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1664 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1667 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
1669 Fix PR tree-optimization/24351
1671 * tree-ssa-structalias.c (struct variable_info): Add
1673 (get_varinfo_fc): New function to follow collapsing.
1674 (new_var_info): Set collapsed_to to NULL.
1675 (dump_constraint): Follow collapsing.
1676 (build_constraint_graph): Handle collapsing.
1677 (do_simple_structure_copy): Return false if something bad
1679 (collapse_rest_of_var): New function.
1680 (do_structure_copy): Collapse if do_simple_structure_copy returns
1683 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1686 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1687 expressions to a statement list instead of gimplifying them.
1689 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1691 PR rtl-optimization/23585
1692 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1693 that can't trap plus a constant integer, if the mode has zero size.
1695 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
1698 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1700 ("*insv<mode>_reg_extimm"): Likewise.
1702 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1705 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1706 c_common_type_for_mode returns an unnamed type.
1708 2005-11-02 Richard Henderson <rth@redhat.com>
1712 * dwarf2out.c (dwarf2out_reg_save_reg): New.
1713 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1714 * function.c (assign_parms): Use calls.internal_arg_pointer.
1715 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1717 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1718 (TARGET_CALLS): Add it.
1719 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1720 * targhooks.c (default_internal_arg_pointer): New.
1721 * targhooks.h (default_internal_arg_pointer): Declare.
1722 * tree.h (dwarf2out_reg_save_reg): Declare.
1723 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1724 * config/i386/i386.c (dbx_register_map): Add return column.
1725 (dbx64_register_map, svr4_dbx_register_map): Likewise.
1726 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1727 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1728 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1729 (ix86_save_reg): Save force_align_arg_pointer.
1730 (ix86_emit_save_regs): Make regno unsigned.
1731 (ix86_emit_save_regs_using_mov): Likewise.
1732 (ix86_expand_prologue): Handle force_align_arg_pointer.
1733 (ix86_expand_epilogue): Likewise.
1734 * config/i386/i386.h: (dbx_register_map): Update.
1735 (dbx64_register_map, svr4_dbx_register_map): Update.
1736 (struct machine_function): Add force_align_arg_pointer.
1737 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1738 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1739 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1741 2005-11-02 Jan Hubicka <jh@suse.cz>
1744 * i386.md: Add peep2 for simplyfing array accesses.
1746 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1749 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1750 * config/s390/s390.c (s390_decompose_shift_count): New function.
1751 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1752 (print_shift_count_operand): Use s390_decompose_shift_count.
1753 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1754 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
1756 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1759 * loop.c (loop_givs_rescan): Use force_operand to expand
1762 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
1765 * fold-const.c (build_range_check): Use unsigned when signed
1766 overflow is undefined also. If etype is subtype, make sure that
1767 the subtraction is in the supertype.
1769 2005-11-02 Richard Henderson <rth@redhat.com>
1772 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
1775 2005-11-01 Richard Henderson <rth@redhat.com>
1778 * loop.c (scan_loop): Do not propagate computations to a hard
1779 register destination with SMALL_REGISTER_CLASSES.
1781 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
1783 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
1784 costs for MULT inside PLUS or MINUS.
1786 2005-11-01 Bob Wilson <bob.wilson@acm.org>
1788 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
1789 (TRAMPOLINE_SIZE): Round up to 60.
1790 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
1792 2005-10-31 James E. Wilson <wilson@specifix.com>
1795 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
1796 ifdef. Put ifdefs around call in gen_subprogram_die.
1797 (compute_frame_pointer_to_cfa_displacement): Likewise.
1798 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
1801 PR rtl-optimization/17356
1802 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
1803 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
1805 2005-10-31 Jan Hubicka <jh@suse.cz>
1808 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1811 * i386.c (legitimize_pic_address): Deal with large immediates.
1814 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
1815 from symbol names while computing checkup.
1818 * predict.c (predict_loops): Do not estimate more than
1819 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
1820 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
1822 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
1824 PR tree-optimization/19097
1825 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
1827 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
1829 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
1831 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
1834 * tree-inline.c (setup_one_parameter): If the init_stmt
1835 is NULL, don't insert the statement.
1837 2005-10-30 Jan Hubicka <jh@suse.cz>
1839 PR tree-optimization/24172
1840 * tree-inline.c (copy_body_r): Unshare the substituted value first.
1842 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
1844 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
1845 constants for hosts with long != 32 bits.
1847 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
1850 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
1852 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
1854 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
1855 (TARGET_MS1_16_002): New.
1856 (TARGET_MS1_16_003): New.
1858 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
1859 ("*decrement_and_branch_until_zero_no_clobber"): New.
1860 Add corresponding splitter for decrement_and_branch_until_zero
1862 Key all decrement_and_branch_until_zero patterns off of
1865 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
1868 * tree-complex.c (extract_component): Treat RESULT_DECL
1869 like the rest of the decls.
1871 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
1873 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
1874 indirect call to _mcount if the function needs a static chain.
1876 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
1877 Caroline Tice <ctice@apple.com>
1879 PR rtl-optimization/24460
1880 * dwarf2out.c (have_switched_text_sections): New boolean variable.
1881 (dwarf2out_switch_text_section): Set it to true instead of
1882 incrementing separate_line_info_table_in_use.
1883 (output_loc_list): Additionally test have_switched_text_sections.
1884 (output_ranges): Likewise.
1885 (dwarf2out_finish): Likewise.
1886 * varasm.c (assemble_start_function): Do not call
1887 insert_section_boundary_note.
1888 (assemble_end_function): If flag_reorder_blocks_and_partition,
1889 switch to the function's section before emitting the .size directive.
1890 * bb-reorder.c (insert_section_boundary_note): Staticify.
1891 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
1892 * output.h (insert_section_boundary_note): Delete.
1894 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
1897 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
1898 instead of pointer equality when comparing types.
1900 2005-10-24 James E. Wilson <wilson@specifix.com>
1902 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
1903 add_dependence_list_and_free calls.
1905 2005-10-24 Steven Bosscher <stevenb@suse.de>
1907 * contrib.texi: Add the names of the LLNL folks who donated
1908 Cray pointer support for gfortran.
1910 2005-10-24 Steven Bosscher <stevenb@suse.de>
1912 PR tree-optimization/24225
1913 * profile.c (branch_prob): Look from end to start through a
1914 basic block when looking for a locus.
1916 2005-10-24 Richard Henderson <rth@redhat.com>
1918 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
1920 (hppa_expand_prologue): Likewise.
1922 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1924 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
1925 (NO_DEFERRED_PROFILE_COUNTERS): Define.
1926 * pa.h (NO_PROFILE_COUNTERS): Define.
1927 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
1928 (funcdef_nos): New vector to hold label numbers of deferred profile
1930 (output_deferred_profile_counters): New function.
1931 (hppa_profile_hook): Push label number onto funcdef_nos.
1932 (pa_hpux_file_end): Call output_deferred_profile_counters if
1933 NO_DEFERRED_PROFILE_COUNTERS is false.
1935 * pa-protos.h (get_deferred_plabel): New prototype.
1936 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
1938 (output_call): Adjust calls.
1940 2005-10-24 Alan Modra <amodra@bigpond.net.au>
1942 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
1943 peculiarity of GOT/TOC section usage.
1945 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
1948 * c-common.c (constant_string_class_name): Add documentation.
1950 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
1953 * recog.c (peephole2_optimize): Increment peep2_current_count
1954 only when the slot is empty.
1956 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1959 * except.c (output_function_exception_table): Call
1960 assemble_external_libcall if we need a personality function.
1962 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1964 PR rtl-optimization/24460
1965 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
1966 set the basic block for barriers.
1968 2005-10-21 Janis Johnson <janis187@us.ibm.com>
1970 * var-tracking.c (vt_initialize): Initialize post.
1972 2005-10-21 Devang Patel <dpatel@apple.com>
1975 * c-common.c (vector_types_convertible_p): Check vector element type.
1977 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
1979 * config/sh/sh.c (prepare_move_operands): Handle the address
1980 constant which is a tls symbolic address plus a constant.
1982 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
1985 * gcc.c (main): Use the correct counter for erroring out
1986 about mulitple files.
1988 2005-10-21 Alan Modra <amodra@bigpond.net.au>
1991 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1992 use r2 for 64-bit tls .got access.
1994 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
1996 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1999 2005-10-20 Steven Bosscher <stevenb@suse.de>
2001 PR tree-optimization/24307
2002 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2004 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2007 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2009 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2010 is ready, stop marking functions, but still mark variables.
2012 2005-10-20 Richard Guenther <rguenther@suse.de>
2015 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2018 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2020 PR rtl-optimization/23585
2021 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2022 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2023 (may_trap_p_1): New predicate extracted from...
2024 (may_trap_p): ... here. Invoke may_trap_p_1.
2025 (may_trap_or_fault_p): New predicate.
2026 * rtl.h (may_trap_or_fault_p): Declare it.
2027 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2028 instead of may_trap_p.
2029 (steal_delay_list_from_fallthrough): Likewise.
2030 (fill_simple_delay_slots): Likewise.
2031 (fill_slots_from_thread): Likewise.
2032 * function.c (pad_to_arg_alignment): Rework comment about
2033 SPARC_STACK_BOUNDARY_HACK.
2034 * config/sparc/sparc.h: Likewise.
2036 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2038 * config/s390/s390.c (s390_expand_insv): New.
2039 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2040 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2041 ("icm_hi"): Remove mode attribute.
2042 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2044 ("*extracthi", "*extractqi"): Remove.
2045 (extv<mode>", "*extzv<mode>"): New.
2046 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2047 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2049 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2051 * cfgexpand.c (discover_nonconstant_array_refs_r,
2052 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2053 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2054 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2055 discover_nonconstant_array_refs.
2057 2005-10-19 Steven Bosscher <stevenb@suse.de>
2060 * c-decl.c (pop_scope): Don't warn about an unused variable
2061 if it is marked with TREE_NO_WARNING.
2062 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2063 somenow mismatch and olddecl is to be replaced.
2065 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2068 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2069 whether registers live on the edge can be saved/restored.
2071 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2073 * config/sh/sh.c (fixup_mova): Skip notes.
2075 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2077 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2078 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2079 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2080 (s390_initial_elimination_offset): Likewise.
2081 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2082 register on TARGET_ZARCH targets.
2083 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2084 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2085 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2086 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2088 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2090 * config/s390/s390.md: Comment describing output modifiers updated.
2091 * config/s390/s390.c (print_operand): Likewise.
2093 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2095 * config/s390/s390.c (override_options): Added check for -mstack-size
2097 * doc/invoke.texi: Mention that limit in the documenation.
2099 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2102 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2104 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2106 Fix PR tree-optimization/24231
2108 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2109 (compute_avail): Ditto.
2111 2005-10-18 Richard Henderson <rth@redhat.com>
2114 * config/i386/i386.c (legitimate_constant_p): Check
2115 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2117 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2118 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2119 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2121 (print_operand_address): Likewise.
2122 * config/i386/predicates.md (x86_64_immediate_operand): Test
2123 SYMBOL_REF_TLS_MODEL properly inside CONST.
2124 (x86_64_zext_immediate_operand): Likewise.
2125 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2126 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2127 * config/i386/i386-protos.h: Remove predicates.md entries.
2129 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2131 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2132 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2134 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2135 Ian Lance Taylor <ian@airs.com>
2138 * fold-const.c (fold_widened_comparison): Do not allow range based
2139 constant folding when right operand cannot be unwidened.
2141 2005-10-17 Richard Henderson <rth@redhat.com>
2143 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2144 with a memory clobber.
2146 2005-10-17 James E Wilson <wilson@specifix.com>
2148 PR rtl-optimization/17356
2149 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2150 checking for EDGE_EH.
2152 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2154 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2155 the slot on an even boundary for any type with 16-byte alignment.
2157 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2160 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2161 after register allocation.
2163 2005-10-17 DJ Delorie <dj@redhat.com>
2165 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2168 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2171 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2174 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2176 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2177 to 2 if it's already non-zero.
2178 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2179 is set and warn about it if flag_schedule_insns is 1.
2181 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2183 * config/crx/crx.md: Compare-and-branch instructions need to
2186 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2189 * config/i386/i386.md (*pushdi2_rex64 splitter)
2190 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2191 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2192 flow2 pass only when (optimize > 0 && flag_peephole2).
2194 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2197 * gcc.c (have_c): New static variable.
2199 (process_command): Remove declation of have_c.
2200 Set have_o to 1 when handling -o.
2201 (main): Add a fatel error if there are multiple
2202 files specified and -o and -c/-S is passed witout
2203 -combine or multiple languages.
2205 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2207 Fix PR tree-optimization/22444
2208 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2209 Assert that we don't hit something with subvars.
2210 (setup_pointers_and_addressables): Don't add things with subvars,
2211 because we'll already process the subvars for aliasing purposes.
2213 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2216 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2217 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2218 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2219 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2220 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2221 swapped, alternatives for the R constraint.
2224 * builtins.c (get_builtin_sync_mode): Make unlimited
2225 mode_for_size request.
2227 2005-10-15 Richard Henderson <rth@redhat.com>
2229 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2230 (gimplify_expr): ... here.
2231 (gimplify_compound_lval): Use it in initial scan loop. Allow
2232 fb_lvalue in base expression.
2234 2005-10-15 Richard Henderson <rth@redhat.com>
2237 * builtins.c (expand_builtin_trap): Export.
2238 * expr.h (expand_builtin_trap): Declare.
2239 * expr.c (expand_assignment): Emit a trap for integral offsets
2240 from registers that weren't reduced to bitpos.
2242 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2243 (mark_array_ref_addressable): Remove.
2244 * tree-flow.h (mark_array_ref_addressable): Remove.
2245 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2247 2005-10-15 James E Wilson <wilson@specifix.com>
2250 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2251 (add_dependence_list_and_free): Likewise.
2252 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2255 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2259 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2260 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2262 (vrp_visit_phi_node): Only prevent infinite iterations when
2263 the previous result and the new result are both VR_RANGEs.
2265 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2267 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2270 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2273 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2276 2005-10-14 Per Bothner <per@bothner.com>
2278 PR preprocessor/21250
2279 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2281 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2284 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2285 overflow flags. Refactor some conditionals.
2287 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2290 * tree-dfa.c (add_referenced_var): Only look at decls which
2291 have TREE_CONSTANT or TREE_READONLY set instead of if
2292 !TREE_PUBLIC or !TREE_CONSTANT.
2294 2005-10-13 James E Wilson <wilson@specifix.com>
2296 * doc/invoke.texi: For -x, add f95-cpp-input.
2297 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2299 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
2301 PR tree-optimization/24262
2302 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2303 in loop all the time.
2305 2005-10-12 Richard Henderson <rth@redhat.com>
2308 * tree.h (DECL_TRANSPARENT_UNION): Remove.
2309 * function.c (assign_parm_find_data_types): Don't support it.
2310 * print-tree.c (print_node): Likewise.
2311 * c-common.c (handle_transparent_union_attribute): Likewise.
2312 Use build_duplicate_type.
2313 * tree-inline.c (remap_type_1): Split out of remap_type;
2314 properly remap aggregate fields.
2315 (build_duplicate_type): New.
2316 * doc/extend.texi (Variable Attributes): Remove documentation
2317 for transparent_union.
2319 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2322 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2323 (gen_stack_pointer_dec): Likewise.
2325 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
2329 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2331 (struct cxx): Add adjust_class_at_definition target hook.
2332 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2333 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2334 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2335 hook_void_tree. Add to TARGET_CXX.
2336 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2338 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2339 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2340 instead of attribute. Check for dllexport override. Warn if
2341 inconsistent dll linkage. Don't lose old dllimport if decl has
2342 had address referenced. Tweak lookup of dllimport atribute.
2343 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2344 for target specific rules. Don't add dllimport attribute if
2345 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2346 dllimport attribute.
2347 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2348 * varasm.c (initializer_constant_valid_p): Replace
2349 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2353 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2354 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2355 (i[34567]86-*-mingw32*): Likewise.
2357 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2358 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2360 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2361 C++-specific code. Change return value to bool.
2362 (i386_pe_dllimport_p): Likewise.
2363 (associated_type): Simplify and make language-independent
2364 (i386_pe_encode_section_info): Replace override of ambiguous
2365 dllimport symbol refs with a gcc_assert.
2366 (i386_pe_valid_dllimport_attribute_p): Define.
2367 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2368 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2369 i386_pe_adjust_class_at_definition.
2370 * config/i386/winnt-stubs.c: New file. Define stub versions of
2371 lang-specific functions.
2372 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2373 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2374 i386_pe_adjust_class_at_definition.
2375 (i386_pe_valid_dllimport_attribute_p): Declare.
2376 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2377 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2378 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2381 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2382 dllimport attribute with test of DECL_DLLIMPORT_P.
2384 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2386 * combine.c (make_extraction): Correct offset computation.
2388 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2390 * config/cris/t-linux (LIMITS_H_TEST): Define.
2392 2005-10-12 Richard Henderson <rth@redhat.com>
2395 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2397 2005-10-12 Richard Guenther <rguenther@suse.de>
2399 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2401 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2404 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2405 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2408 2005-10-12 Richard Guenther <rguenther@suse.de>
2411 * varasm.c (output_constant): Correct typo from previous
2414 2005-10-11 Ian Lance Taylor <ian@airs.com>
2416 PR rtl-optimization/13931
2417 * combine.c: Revert patch of 2003-05-14, and:
2418 (try_combine): Only set elim_i1 and elim_i2 if the destination is
2419 completely killed in the appropriate insn.
2420 (distribute_notes): Don't skip multiple hard register test for
2421 elim_i1 and elim_i2.
2423 2005-10-11 Richard Henderson <rth@redhat.com>
2426 * c-typeck.c (convert_for_assignment): Use build_constructor_single
2427 to initialize a transparent union instead of a nop_expr.
2429 2005-10-11 Richard Henderson <rth@redhat.com>
2431 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2432 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2433 (tree_ssa_dce_loop): Call scev_reset.
2436 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2437 * tree-ssa-dce.c: Include cfgloop.h.
2438 (tree_ssa_dce_loop, pass_dce_loop): New.
2439 * tree-pass.h (pass_dce_loop): Declare it.
2440 * passes.c (init_optimization_passes): Use it.
2442 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2445 * convert.c (convert_to_real): Revert 2005-10-05 patch.
2446 Only apply the optimization for rounding builtins if the inner
2447 cast is also an extension.
2449 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
2452 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2453 mark_new_vars_to_rename instead of update_stmt.
2455 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
2457 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2459 2005-10-11 Jakub Jelinek <jakub@redhat.com>
2461 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2462 for setting MMX register to 0 rather than mmx.
2464 2005-10-10 Steve Ellcey <sje@cup.hp.com>
2467 * configure.ac: Move gas check from mips specific case to common case.
2468 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2469 * configure: Regenerate
2470 * doc/install.texi: Update.
2472 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2475 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2477 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
2479 * gcc.c (do_spec_1): Accept numeric characters in file name
2482 2005-10-10 Nick Clifton <nickc@redhat.com>
2484 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
2485 describing the deleted arm_gen_rotated_half_load function.
2487 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
2489 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2492 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
2494 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2496 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2497 (EXTRA_MULTILIB_PARTS): Define.
2498 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2499 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2500 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2501 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2502 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2503 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2505 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
2507 PR tree-optimization/24226
2508 * tree-cfg.c (remove_bb): Clean up unreachable loops.
2509 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2510 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2513 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2515 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2517 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
2520 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2521 Rewrite for no need for the early clobber.
2523 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2525 Merge from csl-arm-branch:
2526 2005-09-07 Paul Brook <paul@codesourcery.com>
2527 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2530 2005-04-30 Paul Brook <paul@codesourcery.com>
2531 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2532 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2534 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
2535 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2536 (arm_override_options): Use TARGET_AAPCS_BASED.
2537 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2538 (PTRDIFF_TYPE): Use int for AAPCS.
2539 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2540 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2541 (DEFAULT_SHORT_ENUMS): Delete.
2542 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2544 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
2545 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2546 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2547 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2549 2004-12-03 Mark Mitchell <mark@codesourcery.com>
2550 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2552 2004-11-22 Mark Mitchell <mark@codesourcery.com>
2553 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2555 2004-11-19 Mark Mitchell <mark@codesourcery.com>
2556 * config.gcc (arm*-*-linux-gnueabi): Add it.
2557 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2559 (TARGET_OS_CPP_BUILTINS): Likeiwse.
2560 * config/arm/linux-eabi.h: New file.
2561 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2562 (LINUX_TARET_LINK_SPEC): Likewise.
2563 (LINK_SPEC): Use it.
2564 * config/arm/t-linux-eabi: New file.
2566 2005-10-08 Steven Bosscher <stevenb@suse.de>
2569 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2571 (PARAM_SMS_DFA_HISTORY): Likewise.
2573 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2576 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2577 (load_register_parameters): Call it.
2578 (check_sibcall_argument_overlap_1): Likewise.
2579 (store_one_arg): Likewise.
2581 2005-10-07 James E. Wilson <wilson@specifix.com>
2583 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2584 DImode not VECINT24 for operand 2.
2587 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2591 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2592 fr_spill): Use destination_operand for operand 0.
2594 2005-10-07 DJ Delorie <dj@redhat.com>
2596 * varasm.c (output_constant): Limit error to expanding
2599 2005-10-07 Richard Guenther <rguenther@suse.de>
2602 * fold-const.c (fold_binary): Fix operand types during folding
2603 of X op (A, Y). Evaluation order of the side-effects of
2604 X and A are frontend-defined, so ensure we honour that even for
2605 tcc_comparison class operands; eased by removing duplicate code.
2607 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2609 * stor-layout.c (layout_type): Do not allow alignment of array
2610 elements to be greater than their size.
2612 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2614 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2616 (hppa*-*-linux*): Ditto.
2617 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2618 * config/host-hpux.c: New.
2619 * config/x-hpux: New.
2620 * config/pa/x-hpux: Remove.
2621 * config/pa/x-linux: Remove.
2622 * config/pa/pa-host.c: Remove.
2624 2005-10-07 Jeff Law <law@redhat.com>
2626 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2627 determine whether or not to try and thread outgoing edges.
2629 2005-10-07 David Edelsohn <edelsohn@gnu.org>
2631 * config/rs6000/rs6000.md (eqsi_power): New.
2632 (neg_eq0si): Add TARGET_POWER to final condition.
2635 2005-10-06 Richard Henderson <rth@redhat.com>
2637 * config/rs6000/rs6000.c: Revert last change.
2639 2005-10-06 Richard Henderson <rth@redhat.com>
2641 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2642 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2644 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
2648 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2649 out return_label and naked_return_label.
2651 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2653 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2656 2005-10-06 Richard Henderson <rth@redhat.com>
2659 * tree-inline.c (declare_return_variable): Handle modify_dest not
2662 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2664 Fix PR tree-optimization/22488
2665 * tree-ssa-structalias.c (check_for_overlaps): New function.
2666 (create_variable_info_for): Use it.
2668 2005-10-06 Richard Henderson <rth@redhat.com>
2671 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2672 (dwarf2out_start_source_file): Print it.
2674 2005-10-06 Geoffrey Keating <geoffk@apple.com>
2676 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2678 2005-10-06 Richard Henderson <rth@redhat.com>
2681 * mode-switching.c (optimize_mode_switching): Clear transp bit
2682 for block with incomming abnormal edges.
2684 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2685 (fpscr_set_from_mem): Use them.
2686 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2687 (fpscr postinc splitters): Rewrite as peephole2+split.
2689 2005-10-06 David Edelsohn <edelsohn@gnu.org>
2691 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2692 (eq<mode>_compare): Same.
2694 2005-10-06 Richard Guenther <rguenther@suse.de>
2696 PR tree-optimization/24238
2697 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2699 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
2701 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2702 here. Use AC_PATH_PROG for environment variables instead of
2704 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
2706 * configure: Regenerated.
2708 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
2711 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2712 then force it into a register.
2713 (call_value): Likewise.
2715 2005-10-06 Richard Henderson <rth@redhat.com>
2718 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2719 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
2720 under pass_vectorize.
2722 2005-10-05 Devang Patel <dpatel@apple.com>
2725 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2726 handling constants. Check NAMESPACE_DECL context for constants.
2728 2005-10-05 Eric Christopher <echristo@apple.com>
2730 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2732 2005-10-05 Richard Henderson <rth@redhat.com>
2735 * tree-cfg.c (mark_array_ref_addressable_1): New.
2736 (mark_array_ref_addressable): New.
2737 * tree-flow.h (mark_array_ref_addressable): Declare.
2738 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2740 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
2744 * reload.c (subst_reloads): When adding a REG_LABEL to a
2745 jump instruction, also update JUMP_LABEL.
2747 2005-10-05 David Edelsohn <edelsohn@gnu.org>
2749 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2750 * bb-reorder.c (copy_bb_p): Use it.
2751 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2753 2005-10-05 Richard Henderson <rth@redhat.com>
2756 * toplev.c (process_options): Warn about unsupported combinations
2757 of unwind tables and omit-frame-pointer.
2758 * config/i386/i386.c (override_options): Similarly. Enable
2759 accumulate-outgoing-args if not explicitly disabled.
2761 2005-10-05 Steve Ellcey <sje@cup.hp.com>
2763 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2764 Handle big endian vs. small endian.
2765 (vec_initv2sf): Handle big endian vs. small endian.
2766 (*vec_extractv2sf_1): Ditto.
2768 2005-10-05 Dale Johannesen <dalej@apple.com>
2770 * convert.c (convert_to_real): Don't convert
2771 (float)floor(double d) to floorf((float)d).
2773 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
2775 * config/arm/arm.md (insv): Use gen_int_mode in more places.
2777 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
2779 PR tree-optimization/18587
2780 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
2781 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
2782 build_vuses): Change to VEC type.
2783 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
2784 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
2785 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
2786 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
2787 (get_name_decl): New. Return DECL_UID of base variable.
2788 (operand_build_cmp): New. qsort comparison routine.
2789 (operand_build_sort_virtual): New. Sort virtual build vector.
2790 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
2791 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
2792 (FINALIZE_BASE): Use get_name_decl.
2793 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
2794 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
2795 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
2796 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
2797 direct VEC_* manipulations.
2798 (build_ssa_operands): Call operand_build_sort_virtual.
2799 (copy_virtual_operand, create_ssa_artficial_load_stmt,
2800 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
2801 with direct VEC_* manipulations.
2802 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
2803 with direct VEC manipulations.
2805 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
2807 PR tree-optimization/21419
2808 PR tree-optimization/24146
2809 PR tree-optimization/24151
2811 * c-typeck.c (readonly_error): Handle USE being lv_asm.
2812 (build_asm_expr): Call it if outputs are read-only.
2813 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
2815 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
2816 Paolo Bonzini <bonzini@gnu.org>
2820 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
2821 enable the instructions and not just the built-ins.
2822 * doc/invoke.texi (x86 Options): Likewise.
2824 2005-10-04 Geoffrey Keating <geoffk@apple.com>
2826 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
2828 * doc/invoke.texi (Option Summary): Correct spelling
2829 of -mmacosx-version-min.
2831 2005-10-04 Devang Patel <dpatel@apple.com>
2833 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
2836 2005-10-04 Steve Ellcey <sje@cup.hp.com>
2838 * tree-vect-transform.c (vect_create_epilog_for_reduction):
2839 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
2841 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
2843 * config/s390/s390.md ("TDSI","DP"): New mode macros.
2844 ("TE","tg"): New mode attributes.
2845 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
2846 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
2847 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
2848 dword_mode and one for GPRmode.
2850 2005-10-04 Ian Lance Taylor <ian@airs.com>
2852 PR preprocessor/13726
2853 * c-ppoutput.c (cb_include): Add comments parameter, and print out
2854 any comments passed in.
2856 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2858 * tree.c (annotate_with_file_line): Fix typo.
2860 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2863 * builtins.c (fold_builtin_memcmp): When constructing the pointer
2864 type used to access data in the inlined length == 1 case, use
2865 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
2866 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
2868 2005-10-04 Uros Bizjak <uros@kss-loka.si>
2870 * config/i386/i386.h (TARGET_FISTTP): Enable also for
2871 TARGET_SSE3 and only for TARGET_80387.
2872 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
2873 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
2874 Do not depend on TARGET_80387.
2876 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2878 * tree.c (last_annotated_node): Change type to location_t*.
2879 (annotate_with_file_line): Reflect the change of
2880 last_annotated_node type.
2882 2005-10-04 Richard Guenther <rguenther@suse.de>
2885 * c-decl.c (grokdeclarator): Don't write to fields
2888 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2891 * c-decl.c (finish_decl): Use set_user_assembler_name even for
2893 * varasm.c (make_decl_rtl): If a register variable does not
2894 have a set user assmbler name, error out.
2895 Decode the asmspec is now name+1 bypassing '*'.
2897 2005-10-04 Steven Bosscher <stevenb@suse.de>
2899 PR tree-optimization/23049
2900 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
2901 of a COND_EXPR is folded before calling fold on the whole rhs of a
2902 conditional assignment.
2903 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
2904 document that a COND_EXPR may appear there.
2906 2005-10-03 Diego Novillo <dnovillo@redhat.com>
2909 * tree-vrp.c (extract_range_from_assert): If the new numeric
2910 range created out of the assertion contradicts the existing
2911 numeric range of the ASSERT_EXPR variable, make the new range
2914 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
2916 * config/sh/sh.c (sh_register_move_cost): Add case for moving
2917 from T_REGS to FP register class.
2919 2005-10-03 Richard Henderson <rth@redhat.com>
2922 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
2923 before creating a new one.
2925 2005-10-03 David Edelsohn <edelsohn@gnu.org>
2927 * config/rs6000/t-aix43 (LDFLAGS): New.
2928 * config/rs6000/t-aix52 (LDFLAGS): New.
2930 2005-10-03 Ian Lance Taylor <ian@airs.com>
2932 * gimplify.c (find_single_pointer_decl_1): New static function.
2933 (find_single_pointer_decl): New static function.
2934 (internal_get_tmp_var): For a formal variable, set restrict base
2935 information if appropriate.
2936 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
2938 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
2939 (DECL_GET_RESTRICT_BASE): Define.
2940 (SET_DECL_RESTRICT_BASE): Define.
2941 (decl_restrict_base_lookup): Declare.
2942 (decl_restrict_base_insert): Declare.
2943 (struct tree_decl_with_vis): Add based_on_restrict_p field.
2944 * tree.c (restrict_base_for_decl): New static variable.
2945 (init_ttree): Initialize restrict_base_for_decl.
2946 (copy_node_stat): Copy restrict base information.
2947 (decl_restrict_base_lookup): New function.
2948 (decl_restrict_base_insert): New function.
2949 (print_restrict_base_statistics): New static function.
2950 (dump_tree_statistics): Call print_restrict_base_statistics.
2952 2005-10-02 Diego Novillo <dnovillo@redhat.com>
2955 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
2956 case of anti-ranges.
2958 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
2961 * c-typeck.c (tagged_tu_seen): Rename to ...
2962 (tagged_tu_seen_cache): this and add val field.
2963 (comptypes): Move functional to comptypes_internal
2964 and free tagged_tu_seen.
2965 (comptypes_internal): New function and call comptypes_internal
2966 instead of comptypes. Speed up by sibcalling
2967 tagged_types_tu_compatible_p.
2968 (alloc_tagged_tu_seen): New function
2969 (free_all_tagged_tu_seen_up_to): New function.
2970 (tagged_types_tu_compatible_p): Return the val of the seen two
2972 Add that the two types are the same to tagged_tu_seen_base
2973 if they are and call comptypes_internal instead of comptypes.
2974 <case UNION_TYPE>: Speed up common type where the fields are
2976 (function_types_compatible_p): Call comptypes_internal instead of
2978 (type_lists_compatible_p): Likewise.
2979 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
2981 2005-10-02 Matthias Klose <doko@debian.org>
2983 * doc/invoke.texi: Fix typo and speling error.
2985 2005-10-01 Richard Henderson <rth@redhat.com>
2987 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
2989 2005-10-01 Mark Mitchell <mark@codesourcery.com>
2991 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2992 using --start-group and --end-group.
2994 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2996 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2997 FIXME note regarding quirky semantics.
2999 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3002 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3003 non-null range as a last resort.
3005 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3006 Diego Novillo <dnovillo@redhat.com>
3009 * tree-vrp.c (extract_range_from_assert): For !=
3010 assertions, only build an anti-range if LIMIT is a
3011 single-valued range.
3013 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3015 * arm.md (movqi): On thumb when optimizing, handle loading from
3016 memory by describing this as taking a subreg of a zero-extended load
3017 into an SImode register.
3020 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3022 * reload1.c (merge_assigned_reloads): Do not change any
3023 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3025 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3027 * Makefile.in (LIPO_FOR_TARGET): Define.
3028 (STRIP_FOR_TARGET): Define.
3030 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3031 before creating new ones. Do symlinks before creating the actual
3034 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3035 to work out which multilibs are actually being built.
3037 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3039 * tree-vect-transform.c, config/ms1/ms1.md,
3040 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3041 Follow spelling conventions.
3042 * doc/invoke.texi, doc/md.texi: Fix typos.
3044 2005-09-30 Andrew Macleod <amacleod@redat.com>
3046 PR tree-optimization/21430
3047 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3048 use operands, and set stmt pointer if need be.
3049 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3050 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3053 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3056 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3058 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3060 * optabs.c (expand_binop): Initialize first_pass_p.
3062 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3065 * c-decl.c (c_write_global_declarations_1): If any
3066 wrapup_global_declaration_2 call returned true, restart the loop.
3068 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3070 Fix PR tree-optimization/24117
3071 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3072 before considering whether to use anyoffset.
3074 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3078 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3080 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3082 (swap_commutative_operands_with_target): New.
3084 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3087 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3090 2005-09-29 Steven Bosscher <stevenb@suse.de>
3092 PR tree-optimization/23911
3093 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3094 and IMAGPART_EXPR too.
3096 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3099 * expmed.c (expand_shift): Move logic to reverse rotation
3100 direction when rotating by constants ...
3101 * optabs.c (expand_binop): ... here.
3102 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3103 (ix86_rotrdi3): New pattern.
3104 (rotldi3): Handle 32-bit mode.
3105 (ix86_rotldi3): New pattern.
3107 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3110 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3111 check for numbers that need no bit twiddle.
3113 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3115 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3116 multilib to be built.
3118 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3119 (stage1-start): Delete old libgcc and libunwind before moving
3120 anything into the stage directory.
3121 (stage2-start): Likewise.
3122 (stage3-start): Likewise.
3123 (stage4-start): Likewise.
3124 (stageprofile-start): Likewise.
3125 (stagefeedback-start): Likewise.
3126 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3127 header in tm_file and CPU-specific t-darwin in tmake_file.
3128 (i[34567]86-*-darwin*): Don't change tm_file.
3129 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3130 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3131 shared library stub for target OS version.
3132 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3133 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3134 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3135 (libgcc_s.%.dylib): New.
3137 (install-darwin-libgcc-stubs): New.
3138 (INSTALL_LIBGCC): New append.
3139 * config/i386/darwin-libgcc.10.4.ver: New.
3140 * config/i386/darwin-libgcc.10.5.ver: New.
3141 * config/i386/t-darwin: New.
3142 * config/rs6000/darwin-libgcc.10.4.ver: New.
3143 * config/rs6000/darwin-libgcc.10.5.ver: New.
3144 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3145 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3147 2005-09-28 Paul Brook <paul@codesourcery.com>
3149 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3152 2005-09-28 Richard Guenther <rguenther@suse.de>
3154 PR tree-optimization/23853
3155 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3156 host_integerp to verify misalignment value.
3158 2005-09-28 Richard Henderson <rth@redhat.com>
3160 * builtins.c (get_builtin_sync_mode): New.
3161 (expand_builtin_sync_operation): Pass in mode argument.
3162 (expand_builtin_compare_and_swap): Likewise.
3163 (expand_builtin_lock_test_and_set): Likewise.
3164 (expand_builtin_lock_release): Likewise.
3165 (expand_builtin): Update to match.
3167 2005-09-28 Nick Clifton <nickc@redhat.com>
3169 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3170 formatting. Add check to PLUS case to ensure that the offset is
3171 within an acceptable range.
3173 * config/v850/v850.md (casesi): Disable the generation of the
3174 switch pattern as it is not being handled properly at the moment.
3176 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3177 for when the high words are identical.
3179 2005-09-27 Richard Henderson <rth@redhat.com>
3181 * pretty-print.c (pp_base_format): Fix typo for %>.
3183 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3184 Devang Patel <dpatel@apple.com>
3186 PR tree-optimization/23625
3187 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3188 LABEL_EXPR, assertion check.
3190 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3192 * optabs.c (no_conflict_move_test): Check if a result of a
3193 to-be-moved insn would be clobbered by an originally
3196 2005-09-27 Jeff Law <law@redhat.com>
3198 * passes.c (init_optimization_passes): Replace copy propagation
3199 passes immediately after DOM with phi-only copy propagation
3200 pases. Add phi-only copy propagation pass after first DOM pass.
3201 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3202 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3203 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3204 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3205 to init_copy_prop. Callers updated.
3206 (do_phi_only_copy_prop): New function.
3207 (pass_phi_only_copy_prop): New pass descriptor.
3209 2005-09-27 Nick Clifton <nickc@redhat.com>
3211 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3213 2005-09-26 Jason Merrill <jason@redhat.com>
3216 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3218 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3220 2005-09-26 James E Wilson <wilson@specifix.com>
3222 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3223 copyright. Add gcc copyright plus libgcc exception.
3224 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3226 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3228 2005-09-26 Jeff Law <law@redhat.com>
3230 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3231 about when to iterate.
3233 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3236 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3237 for __complex__ double in -mcpu=G5 mode.
3239 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3241 PR tree-optimization/23942
3242 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3243 * tree-scalar-evolution.c: Include params.h.
3245 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3246 follow_ssa_edge_in_condition_phi_branch,
3247 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3248 Change return type to t_bool. Use a parameter to limit the size of
3249 trees that are walked before stopping
3250 (analyze_evolution_in_loop): Initialize the limit to 0.
3251 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3252 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3254 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3257 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3258 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3260 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3262 * combine.c (make_extraction): Check for valid use of subreg.
3264 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3267 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3268 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3269 ("fist<mode>2_with_temp"): Use only register operands.
3271 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3273 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3274 CALL_INSN_FUNCTION_USAGE.
3276 2005-09-26 Richard Guenther <rguenther@suse.de>
3279 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3280 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3281 (ldst_entry): Use the hashtable instead of list-walking.
3282 (find_rtx_in_ldst): Likewise.
3283 (free_ldst_entry): Free the hashtable.
3284 (compute_ld_motion_mems): Create the hashtable.
3285 (trim_ld_motion_mems): Remove entry from hashtable if
3286 removing it from list.
3287 (compute_store_table): Likewise^2.
3288 (store_motion): Free hashtable in case we did not see
3291 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
3293 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3294 and arg1 if we are passing them to fold_build2.
3296 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
3299 * config/i386/i386.c (ix86_function_regparm): Fix the test for
3302 2005-09-25 Richard Henderson <rth@redhat.com>
3304 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3305 SYMBOL_REF_TLS_MODEL to be correct.
3307 2005-09-24 Richard Henderson <rth@redhat.com>
3309 * ipa-type-escape.c (discover_unique_type): Remove dead code at
3310 end of function. Reindent.
3312 2005-09-24 Ian Lance Taylor <ian@airs.com>
3314 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3315 NEGATE_EXPR/BIT_NOT_EXPR case.
3317 2005-09-24 Richard Henderson <rth@redhat.com>
3319 * c-common.c (handle_mode_attribute): When not modifying in place,
3320 create subtypes for enumerations.
3321 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3322 * gimplify.c (create_tmp_from_val): Likewise.
3324 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
3326 * config/i386/i386.md (*tls_global_dynamic_64,
3327 *tls_local_dynamic_base_64): Add missing mode to call.
3328 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3330 2005-09-24 Jan Hubicka <jh@suse.cz>
3332 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3333 (cgraph_clone_node): Likewise.
3334 * cgraph.h (cgraph_clone_edge): Update prototype.
3335 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3336 duplicated prototypes; add updating argument.
3337 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3338 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3340 (cgraph_mark_inline_edge): Likewise.
3341 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3342 (cgraph_flatten_node): Likewise.
3343 (cgraph_decide_recursive_inlining): Likewise.
3344 (cgraph_decide_inlining_of_small_function): Likewise.
3345 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3347 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3348 Pete Steinmetz <steinmtz@us.ibm.com>
3350 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3351 (rldic.): Set type to "compare".
3353 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3354 mfjmpr for MFCTR/MFLR.
3355 (movdf_hardfloat64): Same.
3356 (movdf_softfloat64): Same. Correct order of store and move types.
3357 (movti_string): Set type to store_ux/load_ux.
3358 (load_multiple): Set type to load_ux.
3359 (store_multiple): Set type to store_ux.
3360 (movmemsi): Set type to store_ux.
3361 (output_cbranch direct_return): Set type to jmpreg.
3362 (stmw): Set type to store_ux.
3363 (lmw): Set type to load_ux.
3364 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3365 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3366 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3367 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3368 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3369 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3370 (rios1-fpstore): Increase latency to 3.
3371 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3372 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3374 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3375 Andrew Pinski <pinskia@physics.uc.edu>
3377 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3378 operand2 constraint to "b".
3379 (sync_<fetchop_name>di_internal): Same.
3380 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3382 (sync_old_<fetchop_name>di_internal): Same.
3383 (sync_new_<fetchop_name>si_internal): Same.
3384 (sync_new_<fetchop_name>di_internal): Same.
3386 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3389 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3390 case, define as macros.
3392 PR rtl-optimization/23837
3393 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3394 clobber / clobber match between dest and p->first.
3396 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3397 (no_conflict_move_test): Update comments.
3399 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3401 * doc/install.texi: Update URL for Jacks.
3402 * doc/sourcebuild.texi: Likewise.
3404 2005-09-22 David Edelsohn <edelsohn@gnu.org>
3407 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3408 registers when choosing register preferences.
3409 (movdf_hardfloat64): Same.
3411 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
3413 * expmed.c (expand_shift): Don't use the target of the rotate as
3414 target for the first expanded shift insn.
3415 * testsuite/gcc.dg/20050922-1.c: Testcase added.
3417 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
3419 PR tree-optimization/22438
3420 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3421 preserved iv rhs rewriting specially.
3423 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
3425 * tree-data-ref.c (analyze_array_indexes): Only estimate when
3426 estimate_only is true.
3427 * tree-flow.h (ref_contains_indirect_ref): New prototype.
3428 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3429 tree-ssa-structalias.c
3430 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3431 ref_contains_indirect_ref.
3432 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3434 2005-09-21 DJ Delorie <dj@redhat.com>
3436 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3438 (mn10300_return_in_memory): Support variable size types also.
3439 (mn10300_pass_by_reference): Likewise.
3440 (mn10300_function_value): New.
3441 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3442 (FUNCTION_OUTGOING_VALUE): Likewise.
3443 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3444 * doc/invoke.texi: Document it.
3446 2005-09-21 Uros Bizjak <uros@kss-loka.si>
3449 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3450 force integer op1 into register for XFmode compares.
3452 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3455 * expmed.c (alg_code): Add alg_impossible.
3456 (alg_hash_entry): Add cost.
3457 (synth_mult): Record alg_impossible in the hash table if
3458 multiplication by a given integer is impossble within the
3459 limit. Speed up using alg_impossible.
3461 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3463 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3464 argument. Allow and set any offset if needs_anyoffset is passed
3466 (get_constraint_for): Add argument here too.
3468 (do_structure_copy): Pass NULL to get_constraint_for.
3469 (handle_ptr_arith): Ditto.
3470 (find_func_aliases): Ditto.
3472 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
3474 PR rtl-optimization/23898
3475 * output.h (get_attr_min_length): Declare.
3476 * final.c (get_attr_length_1): New function, broken out of:
3478 (get_attr_min_length): New function.
3479 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3480 (duplicate_computed_gotos): Likewise.
3481 * genattr.c (insn_min_length): Generate declaration.
3482 * genattrtab.c (min_fn, min_attr_value): New functions.
3483 (make_length_attrs): Generate insn_min_length.
3485 2005-09-20 Steve Ellcey <sje@cup.hp.com>
3487 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3489 2005-09-20 Richard Henderson <rth@redhat.com>
3491 PR tree-optimization/24059
3492 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3495 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
3497 * c.opt (fextended-identifiers): New.
3498 * c-opts.c (c_common_handle_option): Handle
3499 -fextended-identifiers.
3500 * doc/cpp.texi: Update documentation of extended identifiers.
3501 * doc/cppopts.texi (-fextended-identifiers): Document.
3503 2005-09-20 Jakub Jelinek <jakub@redhat.com>
3505 PR tree-optimization/23929
3506 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3509 PR tree-optimization/23818
3510 * tree-stdarg.c (execute_optimize_stdarg): Call
3511 calculate_dominance_info.
3513 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3515 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3516 (analyze_siv_subscript_cst_affine): Add weak SIV test.
3517 (compute_overlap_steps_for_affine_1_2): Use
3518 get_number_of_iters_for_loop.
3519 (analyze_subscript_affine_affine): Check whether difference is
3521 Use get_number_of_iters_for_loop.
3522 Check whether overlap occurs outside of bounds.
3523 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3525 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
3527 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3528 base register if possible.
3530 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
3532 PR tree-optimization/18463
3533 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3534 converting it directly is not possible.
3535 (chrec_convert_aggressive): New function.
3536 * tree-chrec.h (chrec_convert_aggressive): Declare.
3537 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3538 Fold chrec conversions aggressively if asked to.
3539 (instantiate_parameters): Modified because of changes in
3540 instantiate_parameters_1.
3542 2005-09-19 Richard Henderson <rth@redhat.com>
3544 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3545 (reduc_splus_v2df): New.
3547 2005-09-19 Richard Sandiford <richard@codesourcery.com>
3549 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3550 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
3552 2005-09-19 Richard Henderson <rth@redhat.com>
3554 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3557 2005-09-19 Richard Henderson <rth@redhat.com>
3559 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3560 (ia64_expand_dot_prod_v8qi): New.
3561 * config/ia64/ia64-protos.h: Update.
3562 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3563 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3564 sdot_prodv8qi, sdot_prodv4hi): New.
3565 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3567 2005-09-19 Richard Henderson <rth@redhat.com>
3570 * real.c (exact_real_truncate): Return false if the format cannot
3571 represent the number as a normal.
3573 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3574 for a memory source.
3576 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
3578 * tree-ssa-operands.c (swap_tree_operands): Export.
3579 * tree.h (swap_tree_operands): Declare.
3580 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3581 Call swap_tree_operands.
3583 2005-09-19 Richard Henderson <rth@redhat.com>
3585 * tree-flow.h (merge_alias_info): Declare.
3586 * tree-ssa-copy.c (merge_alias_info): Export.
3587 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3588 (vect_create_data_ref_ptr): Use create_iv directly.
3589 (vectorizable_load): Use correct types for integer constants.
3590 (vect_generate_tmps_on_preheader): Likewise.
3591 (vect_gen_niters_for_prolog_loop): Likewise.
3593 2005-09-19 Steven Bosscher <stevenb@suse.de>
3595 PR rtl-optimization/23943
3596 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3598 2005-09-18 Jan Hubicka <jh@suse.cz>
3600 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3602 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
3604 * varasm.c (output_constant): Do not abort on conversions to union
3605 types between different sizes.
3607 2005-09-18 Richard Guenther <rguenther@suse.de>
3610 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3613 2005-09-18 Paul Brook <paul@codesourcery.com>
3615 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3617 2005-09-17 Richard Henderson <rth@redhat.com>
3619 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3620 * tree-ssa-loop.c (pass_vect_dce): Remove.
3621 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3624 2005-09-17 Richard Henderson <rth@redhat.com>
3626 * tree-pass.h (pass_vect_dce): Declare.
3627 * passes.c (init_optimization_passes): Add it.
3628 * tree-flow.h (tree_ssa_dce): Declare.
3629 * tree-ssa-dce.c (tree_ssa_dce): Export.
3630 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3631 (gate_tree_vectorize): ... here.
3632 (pass_vect_dce): New.
3634 2005-09-17 Jan Hubicka <jh@suse.cz>
3636 * except.c (struct eh_status): Turn region_array into vec.
3637 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3638 convert_from_eh_region_ranges, find_exception_handler_labels,
3639 current_function_has_exception_handlers, assign_filter_values,
3640 build_post_landing_pads, dw2_build_landing_pads,
3641 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3642 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3643 foreach_reachable_handler, can_throw_internal_1,
3644 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3646 (duplicate_eh_region_1): Update region_array.
3647 (duplicate_eh_regions): Resize region_array and avoid recomputing.
3649 2005-09-17 David Edelsohn <edelsohn@gnu.org>
3652 * expmed.c (expand_mult): Substitute simple register for op0 when
3655 2005-09-17 Richard Henderson <rth@redhat.com>
3657 * expr.c (emit_move_via_integer): Add force argument, pass it on
3658 to emit_move_change_mode. Update callers.
3659 (emit_move_complex): Pass true to new force argument.
3660 * function.c (expand_function_end): Move expand_eh_return call
3661 earlier. Merge sub-word complex values into a pseudo before
3662 copying to the return hard register.
3664 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
3666 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3667 between different sizes.
3669 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
3673 * passes.c (init_optimization_passes): Register dump files for
3676 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
3678 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3679 * config/s390/s390.c (s390_overlap_p): New function.
3680 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3681 peephole2, "*xc" peephole2): Added overlap check to the peephole2
3684 2005-09-16 Richard Guenther <rguenther@suse.de>
3686 * ipa-pure-const.c (static_execute): Free auxiliar information.
3687 * ipa-type-escape.c (discover_unique_type): Free temporary key.
3688 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3690 2005-09-15 DJ Delorie <dj@redhat.com>
3692 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3694 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3696 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3698 (swap_commutative_operands_with_target): New.
3700 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
3702 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3705 (estimate_iters_using_array): New function.
3706 * tree-data-ref.h (estimate_iters_using_array): Prototype
3707 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3708 Use estimate_iters_using_array instead of analyze_array.
3710 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
3712 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3715 2005-09-15 Michael Matz <matz@suse.de>
3717 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3719 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
3721 PR tree-optimization/23835
3722 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3723 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3725 2005-09-14 Richard Henderson <rth@redhat.com>
3727 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3728 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3730 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
3732 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3733 in the ARRAY_TYPE case.
3735 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
3737 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3739 2005-09-14 Uros Bizjak <uros@kss-loka.si>
3742 * tree-vect-transform.c (vectorizable_operation): Return false for
3743 scalar shift operations and for vector shift operations with
3744 non-invariant shift arguments. Use scalar tree operand op1 as
3745 a shift operand when vector shift insn pattern uses scalar shift
3747 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3749 2005-09-14 Olivier Hainque <hainque@adacore.com>
3751 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3752 value if it has side-effects.
3754 2005-09-14 David Edelsohn <edelsohn@gnu.org>
3757 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3759 2005-09-14 Alan Modra <amodra@bigpond.net.au>
3761 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3762 passed as NAME as if it were label at start of function code.
3764 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
3766 * config/sh/sh.md (*movv4sf_i): Add general register cases to
3769 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3771 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
3772 as early clobber. Rewrite so the PIC register is not implicitly used.
3774 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3776 * tree.c (annotate_with_file_line): Compare line numbers before
3779 2005-09-13 Uros Bizjak <uros@kss-loka.si>
3782 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
3783 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
3785 2005-09-13 Ian Lance Taylor <ian@airs.com>
3787 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
3788 than a HOST_WIDEST_INT to gen_doloop_begin.
3790 2005-09-13 Diego Novillo <dnovillo@redhat.com>
3792 * tree-dfa.c (dump_variable): Guard against NULL annotations.
3794 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
3796 PR tree-optimize/23817
3797 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
3799 2005-09-13 Alan Modra <amodra@bigpond.net.au>
3802 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
3803 word before changing the stack pointer. Use gen_frame_mem for MEMs.
3804 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
3805 (restore_stack_nonlocal): Likewise.
3806 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
3808 2005-09-12 Ian Lance Taylor <ian@airs.com>
3811 * c.opt (ffriend-injection): New C++ option.
3812 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
3813 (C++ Dialect Options): Document -ffriend-injection.
3815 2005-09-12 Josh Conner <jconner@apple.com>
3818 * ipa-reference.c (static_execute): Don't mark variables in
3819 named sections TREE_READONLY.
3821 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3823 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
3826 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3828 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
3829 V_MUST_DEF instead of just the first_use_p.
3830 Don't mark the virtual variables for renaming on the statement which
3832 (pass_dse): Remove TODO_update_ssa.
3834 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
3837 * stor-layout.c (compute_record_mode): For records with a single
3838 field, actually check the field's mode size against the type size.
3840 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
3841 registers for TARGET_SHMEDIA.
3842 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
3843 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
3844 of GENERAL_REGS and FP_REGS.
3846 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
3848 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
3850 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3852 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
3853 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
3854 are omitted. Exclude stack_tie insn too.
3856 2005-09-11 David Edelsohn <edelsohn@gnu.org>
3858 PR rtl-optimization/23098
3859 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
3861 * config/rs6000/rs6000.md (movdf splitter): Use
3862 const_double_operand predicate for TARGET_POWERPC64.
3863 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
3864 SYMBOL_REF method to ABI_V4.
3866 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
3867 replace_equiv_address.
3868 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
3869 rs6000_sr_alias_set and MEM_NOTRAP.
3870 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
3872 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
3874 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
3875 handle CALL_EXPR again.
3877 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
3879 * arm/predicates.md (alignable_memory_operand): Delete.
3881 2005-09-10 Richard Henderson <rth@redhat.com>
3884 * dbxout.c (dbxout_expand_expr): New.
3885 (dbxout_symbol): Use it.
3887 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
3889 * arm.c (arm_gen_rotated_half_load): Delete.
3890 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
3891 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
3892 (thumb_set_return_address): Likewise.
3893 (thumb_load_double_from_address): Use adjust_address.
3894 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
3895 (extendhsisi2_mem, movhi_bytes): Use change_address.
3896 (movhi): Use widen_memory_access.
3897 (reload_out_df): Use replace_equiv_address.
3898 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
3900 2005-09-09 Richard Henderson <rth@redhat.com>
3903 * dbxout.c: Include expr.h.
3904 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
3905 (dbxout_symbol): Handle DECL_VALUE_EXPR.
3906 * Makefile.in (dbxout.o): Add EXPR_H.
3908 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
3910 PR tree-optimization/23509
3911 * tree-cfg.c (replace_uses_by): Use replace_exp.
3912 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
3913 pointers have name_mem_tag or type_mem_tag set.
3915 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3917 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
3918 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
3919 of wrongly accessing operands.
3921 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3923 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
3924 * tree-chrec.c: Include tree-scalar-evolution.h.
3925 (chrec_convert): Instantiate the base and step before calling
3926 scev_probably_wraps_p that would fail on parametric evolutions.
3927 Collect all the fails into a single section failed_to_convert,
3928 print a diagnostic, and return chrec_dont_know instead of calling
3930 * tree-scalar-evolution.c (loop_closed_phi_def): New.
3931 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
3933 (scev_const_prop): Don't replace the definition of a loop closed ssa
3934 phi node by itself, or by another loop closed ssa phi node.
3935 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
3936 that base and step are defined.
3938 2005-09-09 Richard Guenther <rguenther@suse.de>
3941 * fold-const.c (fold_ternary): Check truth_value_p before
3942 calling invert_truthvalue.
3944 2005-09-09 Nick Clifton <nickc@redhat.com>
3946 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
3947 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
3948 dimension of these arrays.
3949 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
3951 * longlong.h: Only provide a prototype for the __clz_tab[] array
3952 if this header has not been included from libgcc2.h.
3953 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
3955 Provide prototypes for exported functions.
3956 Use the __clz_tab[] and __popcount_tab[] arrays provided by
3959 2005-09-08 Josh Conner <jconner@apple.com>
3963 * expr.c (expand_expr_addr_expr_1): Don't invoke
3964 expand_simple_binop for EXPAND_INITIALIZER.
3966 2005-09-08 Richard Henderson <rth@redhat.com>
3969 * toplev.c (wrapup_global_declaration_1): Split out ...
3970 (wrapup_global_declaration_2): ... from ...
3971 (wrapup_global_declarations): ... here. Return bool.
3972 (check_global_declaration_1): Split out ...
3973 (check_global_declarations): from here.
3974 (emit_debug_global_declarations): New.
3975 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
3976 check_global_declaration_1, emit_debug_global_declarations): Declare.
3977 * c-decl.c (c_write_global_declarations_1): Don't create a vector
3978 of decls. Call wrapup_global_declaration_1,
3979 wrapup_global_declaration_2, check_global_declaration_1 directly.
3980 (c_write_global_declarations_2): New.
3982 (c_write_global_declarations): Call c_write_global_declarations_2.
3983 * langhooks.c (write_global_declarations): Call
3984 emit_debug_global_declarations.
3986 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
3987 remove decls that have DECL_RTL_SET_P.
3988 * passes.c (rest_of_decl_compilation): Invoke
3989 cgraph_varpool_finalize_decl for all but functions.
3991 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
3993 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3994 the result of a conversion if the new min and max cannot be compared.
3996 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
3998 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3999 (override_options): Setting s390_sr_alias_set removed.
4000 (save_fpr, save_gprs): Set alias set to vararg or frame.
4001 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4002 s390_sr_alias_set with get_frame_alias_set ().
4003 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4004 get_varargs_alias_set ().
4006 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4010 * c-parser.c (c_parser_objc_method_definition): If the next
4011 token is not "{", error out and don't start the function.
4013 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4015 * tree-vrp.c (extract_range_from_expr): Move the check for non
4016 nullness after the check for gimple invariant.
4018 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4020 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4022 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4025 * config/m32r.md (movmemsi_internal): Canonicalize order of
4026 operands in PLUS component of template.
4028 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4030 * reload1.c (fixup_eh_region_note): Remove assertion.
4031 (fixup_abnormal_edges): Reverted removal of call to
4032 find_many_sub_basic_blocks made on 2005-08-31.
4034 2005-09-07 Richard Henderson <rth@redhat.com>
4036 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4037 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4038 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4039 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4040 rearrange for better packing.
4041 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4042 (lookup_cfa_1): Remove inline marker.
4043 (cfa_equal_p): Split out of ...
4044 (def_cfa_1): ... here. Use INVALID_REGNUM.
4045 (build_cfa_loc): Handle !cfa->indirect.
4046 (frame_pointer_cfa_offset): New.
4047 (dbx_reg_number): Assert register elimination performed; do
4048 leaf register remapping.
4049 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4050 (eliminate_reg_to_offset): New.
4051 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4052 for verifiably local stack frame addresses; re-base to CFA.
4053 (mem_loc_descriptor): Remove can_use_fbreg argument.
4054 (concat_loc_descriptor, loc_descriptor): Likewise.
4055 (containing_function_has_frame_base): Remove.
4056 (rtl_for_decl_location): Don't do register elimination or
4057 leaf register remapping here.
4058 (secname_for_decl): Split out from ..
4059 (add_location_or_const_value_attribute): ... here.
4060 (convert_cfa_to_loc_list): New.
4061 (compute_frame_pointer_to_cfa_displacement): New.
4062 (gen_subprogram_die): Use them.
4063 * tree.h (frame_base_decl): Remove.
4064 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4065 (prologue_stack_adjust): Remove.
4066 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4067 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4068 (set_frame_base_location): Remove.
4069 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4070 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4071 (vt_add_function_parameters): Don't eliminate_regs.
4072 (vt_initialize): Don't create frame_base_decl.
4074 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4076 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4077 version of GNU binutils for 4.x and later.
4079 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4081 * ggc-page.c (ggc_push_context): Remove.
4082 (ggc_pop_context): Likewise.
4083 * ggc.h (ggc_push_context): Remove.
4084 (ggc_pop_context): Likewise.
4086 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4089 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4090 returning from an interrupt handler.
4092 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4095 * config/arc/arc.c (output_shift): Add check for loop count when
4098 2005-09-06 Steven Bosscher <stevenb@suse.de>
4100 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4102 (abs_replacement): Likewise.
4103 (pass_phiopt): Remove TODO_update_ssa.
4105 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4108 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4109 if "return with no value, in function returning non-void" warning
4111 * tree-cfg.c (execute_warn_function_return): Don't look at
4112 RETURN_EXPRs with TREE_NO_WARNING set.
4115 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4116 for internal functions doesn't use registers used by global registers
4117 variables. Use fewer register parameters if there are global register
4120 2005-09-06 Olivier Hainque <hainque@adacore.com>
4121 Eric Botcazou <ebotcazou@adacore.com>
4124 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4125 when we would be extracting outside its bit span (bitpos+bitsize
4126 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4127 Ada unchecked conversions.
4129 2005-09-06 Steven Bosscher <stevenb@suse.de>
4131 * tree-ssa-pre.c (try_look_through_load): New function.
4132 (compute_avail): Use it to try to look through loads for some
4133 more useful expressions.
4135 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4137 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4138 condition for detecting cases like (a&a) and (a^a).
4140 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4142 * common.opt: Add option ftree-vect-loop-version.
4143 * params.def: Add --param vect-max-version-checks.
4144 * doc/invoke.texi: Document ftree-vect-loop-version and
4145 --param vect-max-version-checks.
4146 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4147 may_misalign_stmts and defines for accessors.
4148 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4149 LOOP_VINFO_MAY_MISALIGN_STMTS.
4150 (destroy_loop_vec_info): VEC_free for
4151 LOOP_VINFO_MAY_MISALIGN_STMTS.
4152 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4153 Update documentation.
4154 (vect_update_misalignment_for_peel): New.
4155 (vect_enhance_data_refs_alignment): Update to choose loop
4156 peeling or loop versioning if appropriate for the (potentially)
4157 unaligned data references in the loop.
4158 (vect_analyze_data_refs_alignment): Remove call to
4159 vect_enhance_data_refs_alignment so the checks can be done
4161 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4162 and move up call to vect_analyze_data_refs_alignment.
4163 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4164 (vect_transform_loop): Add call to loop_version.
4166 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4168 PR rtl-optimization/23098
4169 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4170 * simplify-rtx.c (constant_pool_reference_p): New function.
4171 * rtl.h (constant_pool_reference_p): New prototype.
4172 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4173 constant_pool_reference_p in condition and
4174 avoid_constant_pool_reference in preparation statements.
4176 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4178 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4179 STRICT_LOW_PART SETs.
4181 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4184 * except.c (sjlj_emit_function_enter): Find the function begin
4185 note even when it's not in first basic block.
4187 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4189 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4190 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4191 * aclocal.m4: Regenerate.
4193 2005-09-05 DJ Delorie <dj@redhat.com>
4195 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4198 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4200 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4201 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4202 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4203 Follow spelling conventions.
4204 * doc/invoke.texi: Follow spelling conventions.
4206 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4208 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4209 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4210 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4212 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4215 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4216 (output_stack_adjust): Use gen_tmp_stack_mem.
4217 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4218 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4219 (sh_get_pr_initial_val): Likewise.
4220 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4221 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4222 * sh.md (divsi_inv_m0): Use gen_const_mem.
4223 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4224 (movdf_i4+1): Use gen_tmp_stack_mem.
4225 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4226 (fpu_switch+2): Likewise.
4227 (movv4sf_i, movv16sf_i): Use adjust_address.
4228 (symGOT_load): Set MEM_NOTRAP_P bit.
4230 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4233 * pa.c (emit_move_sequence): Fix typo in last change.
4235 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4237 PR rtl-optimization/23454
4238 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4241 2005-09-03 Richard Henderson <rth@redhat.com>
4242 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4245 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4248 2005-09-02 Nicolas Pitre <nico@cam.org>
4250 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4251 to bit_count to 32 bits.
4253 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4256 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4257 generating synthetic loads from volatile lvalues.
4259 005-09-02 Nick Clifton <nickc@redhat.com>
4261 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4262 __ctzhi2, __clzhi2): New functions.
4264 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4267 * tree-nested.c (struct var_map_elt): Mark with GTY.
4268 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4270 (lookup_field_for_decl): Allocate new element in GC memory.
4271 (lookup_tramp_for_decl): Likewise.
4272 (convert_nl_goto_reference): Likewise
4273 (create_nesting_tree): Allocate info in GC memory. Likewise for
4275 (free_nesting_tree): Free with ggc_free instead of free.
4276 (root): New static variable.
4277 (lower_nested_functions): Remove root as local variable. And zero out
4278 root at the end of the function.
4280 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4282 PR rtl-optimization/20365
4283 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4284 to short. New member ix.
4285 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4286 (simplify_plus_minus): Initialize ix members before calling qsort.
4288 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4290 PR tree-optimization/23626
4291 * tree-cfg.c (replace_uses_by): Clean up eh info.
4293 2005-09-01 DJ Delorie <dj@redhat.com>
4295 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4298 2005-09-01 David Edelsohn <edelsohn@gnu.org>
4300 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4301 (rs6000_split_multireg_move): Use replace_equiv_address instead of
4304 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
4306 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
4307 do not issue warning for a variable definition following
4310 2005-09-01 Richard Henderson <rth@redhat.com>
4313 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4314 conversion to CONST_VECTOR.
4316 2005-09-01 Richard Henderson <rth@redhat.com>
4319 * reload1.c (reload_as_needed): Check !CALL_P before calling
4320 fixup_eh_region_note.
4321 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4323 2005-09-01 DJ Delorie <dj@redhat.com>
4325 * varasm.c (output_constant): Let the target resolve
4326 conversions of addresses to non-default pointer sizes.
4328 2005-09-01 Nicolas Pitre <nico@cam.org>
4330 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4331 to alow matching ARM pre-indexed addressing mode.
4332 (arm_override_options): Remove now irrelevant comment.
4334 2005-09-01 Phil Edwards <phil@codesourcery.com>
4336 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
4337 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
4338 * config/i386/vxworks.h: Likewise.
4339 * config/i386/t-vxworksae: New file, for VxWorks AE.
4340 * config/i386/vxworksae.h: Likewise.
4342 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4344 PR tree-optimization/23410
4345 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4346 sequence is not wrapping during the first step.
4348 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4351 * dwarf2out.c (base_type_die): Compare char_type_node with
4352 TYPE_MAIN_VARIANT (type), not type.
4354 2005-09-01 Richard Guenther <rguenther@suse.de>
4356 PR tree-optimization/15366
4357 * common.opt: Add -finline-functions-called-once.
4358 Put -fearly-inlining in alphabetically ordered place.
4359 * doc/invoke.texi: Document new option.
4360 * ipa-inline.c (cgraph_decide_inlining): Honour
4361 flag_inline_functions_called_once.
4363 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4365 PR rtl-optimization/23478
4366 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4367 (alloc_qty): Initialize it.
4368 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4369 (combine_regs): Combine also n_throwing_calls_crossed fields.
4370 (find_free_reg): Don't attempt to caller-save pseudos crossing
4371 calls that might throw.
4372 * global.c (struct allocno): Add throwing_calls_crossed field.
4373 (global_alloc): Revert 2005-08-22 change. Initialize
4374 throwing_calls_crossed.
4375 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4378 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4381 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4382 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4383 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4384 (and64_2_operand): Tweak to use predicate.
4385 (and_operand): Adjust for mask_operand changes.
4386 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4387 (print_operand): Likewise.
4388 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4389 (mask64_1or2_operand): Delete.
4390 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4391 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4392 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4393 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4394 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4395 (rotldi3_internal4): Likewise.
4396 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4397 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4398 (ashldi3_internal7): Likewise.
4399 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4400 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4401 (anddi3 split): Don't match mask64_operand.
4402 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4403 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4404 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
4405 't' splitter predicate.
4406 (movdi_internal64 + 2): Revert 2005-06-11 change.
4408 2005-08-31 DJ Delorie <dj@redhat.com>
4410 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4411 (m32c_asm_integer): Add support for 32 bit pointers.
4413 2005-08-31 Richard Henderson <rth@redhat.com>
4415 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4416 component-like references for setting MEM_NOTRAP_P.
4418 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4419 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4421 2005-08-31 Richard Henderson <rth@redhat.com>
4423 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4424 into a pseudo before applying gen_lowpart.
4426 2005-08-31 Geoffrey Keating <geoffk@apple.com>
4428 * doc/install.texi (Specific): Update cctools version required
4429 for full functionality.
4430 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4431 linkers as -macosx_version_min.
4433 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4436 * sh.c (print_operand, %R and %S): Add handling of floating point
4437 registers, memory, constants and invalid operands.
4439 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
4441 * ipa-pure-const.c: Change dump name.
4443 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4446 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4447 to "reg_or_0_operand".
4448 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4450 2005-08-31 Dale Johannesen <dalej@apple.com>
4452 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
4453 loops that count down.
4455 2005-08-31 Richard Henderson <rth@redhat.com>
4458 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4459 (fixup_eh_region_note): New.
4460 (reload_as_needed): Call it.
4461 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4462 don't call find_many_sub_basic_blocks; call verify_flow_info.
4463 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4464 (keep_stack_depressed): Likewise.
4465 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4467 2005-08-31 Richard Henderson <rth@redhat.com>
4469 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4472 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
4474 * expr.c (expand_expr_real_1): Compare size of address
4475 mode to target's address mode size in deciding expansion of
4476 the constant address.
4478 2005-08-31 Richard Guenther <rguenther@suse.de>
4481 * expr.c (all_zeros_p): New function.
4482 (expand_expr_real_1): Handle the case of an all-zero
4483 non-addressable constructor separately.
4485 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
4487 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4488 arguments, adjust all callers.
4489 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4491 2005-08-30 Richard Henderson <rth@redhat.com>
4494 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4495 whenever the mode sizes match.
4497 2005-08-31 Alan Modra <amodra@bigpond.net.au>
4499 * calls.c (load_register_parameters): Fix comment typo.
4500 * expr.c (emit_push_insn): Comment formatting.
4502 2005-08-30 Ian Lance Taylor <ian@airs.com>
4504 * config/i386/x-cygwin (host-cygwin): Change dependency from
4505 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4507 2005-08-29 Geoffrey Keating <geoffk@apple.com>
4509 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4512 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4515 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4516 call to ggc_collect.
4518 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
4521 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4522 beginning. Remove $(INCLUDES) from all the rules, if following
4523 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4525 2005-08-29 Jakub Jelinek <jakub@redhat.com>
4528 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4529 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4530 not constant, but maxlen is, don't set len to maxlen, rather
4531 set maxlen to len if len is a constant.
4533 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
4535 PR tree-optimization/23475
4536 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4539 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
4541 Fix PR middle-end/22455
4543 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4544 Checksum only the parts of the tree that exist for the tree code.
4546 2005-08-28 Dale Johannesen <dalej@apple.com>
4548 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
4550 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
4552 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4554 2005-08-28 Richard Henderson <rth@redhat.com>
4556 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4557 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4560 2005-08-28 Jakub Jelinek <jakub@redhat.com>
4563 * builtins.c (get_memory_rtx): Don't strip nops
4564 in between COMPONENT_REFs.
4566 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
4569 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4571 (gimplify_modify_expr): Check for zero sized types and gimplify the
4572 rhs and lhs as statements.
4574 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
4577 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4578 state for return address column of signal frames.
4580 2005-08-27 David Edelsohn <edelsohn@gnu.org>
4583 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4584 bytes >= 2 not bytes == 2.
4585 (expand_block_move): Same.
4587 2005-08-27 Richard Guenther <rguenther@suse.de>
4590 * config/i386/sse.md (sse2_movsd): Add missing closing
4593 2005-08-27 Paul Brook <paul@codesourcery.com>
4595 * genrecog.c (enum decision_type): Add DT_num_insns.
4596 (struct decision_test): Add u.num_insns.
4597 (add_to_sequence): Add DT_num_insns test.
4598 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4599 (write_cond, debug_decision_2): Ditto.
4600 (change_state): Assume peep2_next_insn never fails.
4601 Remove "afterward" argument.
4602 (write afterward, write_tree): Update to match.
4603 * recog.c (peep2_current_count): New variable.
4604 (peep2_next_insn): Check it.
4605 (peephole2_optimize): Set peep2_current_count.
4606 * recog.h (peep2_current_count): Declare.
4608 2005-08-26 Josh Conner <jconner@apple.com>
4611 * ipa-pure-const.c (check_tree): Check for volatile-ness
4612 when considering a dereference.
4614 2005-08-27 Jakub Jelinek <jakub@redhat.com>
4616 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4618 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4620 PR rtl-optimization/23561
4621 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
4622 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4623 at most LEN bytes long memory fits into the field.
4624 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4625 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4626 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4628 2005-08-26 Richard Henderson <rth@redhat.com>
4631 * loop.c (biased_biv_may_wrap_p): New.
4632 (maybe_eliminate_biv_1): Use it to suppress non-equality
4633 comparison transformations. Delete disabled code.
4635 2005-08-26 Ian Lance Taylor <ian@airs.com>
4637 * combine.c (make_extraction): Avoid reference outside object.
4639 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
4641 * stor-layout.c (finalize_type_size): Restore behaviour for
4642 non-aggregate types to the status quo ante of the patch for
4643 pr 23467. Document why it matters.
4645 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4648 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4649 array by one element, initialize the BT_LAST element with NULL.
4651 2005-08-26 David Edelsohn <edelsohn@gnu.org>
4653 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4654 optimizing for size.
4656 (compare_plus_eqsi): Same.
4657 (plus_eqsi_compare): Same.
4658 (neg_eq0<mode>): Same.
4659 (neg_eq<mode>): Same.
4661 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4664 2005-08-26 Nick Clifton <nickc@redhat.com>
4666 * config/v850/v850.c (ep_memory_operand): Return FALSE if
4667 TARGET_EP is not defined.
4668 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4669 TARGET_EP is enabled.
4670 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4671 * config/v850/v850.md (save_all_interrupt): Only use the EP
4672 register if TARGET_EP is defined.
4673 (restore_all_interrupt): Likewise.
4674 * config/v850/lib1funcs.asm: Update functions so that the EP
4675 register is only used if __EP__ is defined.
4677 2005-08-26 David Ung <davidu@mips.com>
4679 * config/mips/mips.c (mips_expand_prologue): Handle case when
4680 generating for MIPS16 and the outgoing argument area is more than
4681 SMALL_OPERAND. Use the frame pointer as temporary to generate the
4684 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
4686 * config/crx/crx.md: Make doloop_end pattern usage controllable
4687 via mloop-nesting=<max-nesting> command line switch. Make sure
4688 the combiner cannot use doloop_end_<mode> in an illegal way.
4689 * config/crx/crx.c: Use regs up to r6 for argument passing.
4690 Refine crx_address_cost (non cst4 displacements are expensive).
4691 * config/crx/crx.opt: Add switch for mloop-nesting=.
4693 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
4695 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4696 (UNSPEC_MVST): New constant.
4698 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
4700 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4701 Reject operands containing eliminable registers.
4702 * testsuite/gcc.dg/20050825-1.c: New testcase.
4704 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4705 Jan Hubicka <jh@suse.cz>
4707 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4709 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4711 PR tree-optimization/23546
4712 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4715 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
4717 * params.def (PARAM_MIN_SPEC_PROB): New.
4718 * sched-rgn.c (MIN_PROBABILITY): Delete.
4719 (compute_trg_info): Convert to PARAM_VALUE.
4720 * doc/invoke.texi (param): Document min-spec-prob.
4722 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
4724 * config/darwin.h: define __PIC__
4725 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4726 TARGET_OS_CPP_BUILTINS macro.
4728 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4730 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4733 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4735 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4737 * cfghooks.c (duplicate_block): Added position where to place
4738 new block as argument.
4739 * cfghooks.h (duplicate_block): Declaration changed.
4740 * cfglayout.c (copy_bbs): Add argument after. Pass it to
4742 * cfglayout.h (copy_bbs): Declaration changed.
4743 * cfgloop.h (loop_version): Declaration changed.
4744 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4745 position to copy_bbs.
4746 (loop_version): Pass position to duplicate_loop_to_header_edge.
4747 Add place_after argument and position new blocks according to
4749 * modulo-sched.c (sms_schedule): Pass place_after argument
4751 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4752 * tree-cfg.c (split_edge_bb_loc): New function.
4753 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4754 to determine position of new blocks.
4755 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4757 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4758 argument to duplicate_block.
4759 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4760 Pass position to copy_bbs.
4762 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4764 * fold-const.c (ptr_difference_const): Use
4765 cst_and_fits_in_hwi instead of host_integerp.
4767 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4769 * config/darwin.c (gen_pic_offset): New.
4770 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
4773 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
4775 PR tree-optimization/23486
4776 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
4778 2005-08-23 Phil Edwards <phil@codesourcery.com>
4780 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
4781 remove use_collect2.
4782 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
4784 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
4785 configuration files to override the default value.
4787 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
4788 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
4789 * config/vx-common.h: New file, split out from...
4790 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
4791 * config/vxworksae.h: New file, for VxWorks AE.
4792 * config/vxworks.opt: New file.
4793 * config/vxlib.c: Update for VxWorks 6.
4795 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
4796 other MULTILIB_* variables appropriately.
4797 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
4798 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
4799 * config/rs6000/vxworks.h: Update for VxWorks 6.
4800 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
4802 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
4805 * config/darwin.c (machopic_select_section): Remove the hack to
4806 mark "::operator new" and "::operator delete" for coalescing
4807 even though they are not weak.
4809 2005-08-24 Alan Modra <amodra@bigpond.net.au>
4811 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4812 * configure: Regenerate.
4814 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4817 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
4819 * convert.c (convert_to_integer, convert_to_vector): Likewise.
4820 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
4823 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4825 * config/rs6000/predicates.md (equality_operator): New.
4826 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
4827 comparison with a large constant.
4829 2005-08-23 Mark Mitchell <mark@codesourcery.com>
4831 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
4833 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
4835 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
4836 registers is even, and we have a hardware double precision fp,
4838 (sh_gimplify_va_arg_expr): For floating point arguments, consider
4839 size of current argument when checking if argument was passed in
4842 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
4845 * stor-layout.c (finalize_type_size): Dont override
4846 existing alignment with a smaller alignment from the mode.
4848 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4850 * lambda-code.c (lambda_vector_lexico_pos): Moved...
4851 * lambda.h (lambda_vector_lexico_pos): ... here.
4852 * tree-data-ref.c (build_classic_dist_vector): Return false when
4853 the distance vector is lexicographically negative.
4855 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4857 PR tree-optimization/23511
4858 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
4859 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
4861 2005-08-23 Jakub Jelinek <jakub@redhat.com>
4863 PR tree-optimization/22043
4864 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
4865 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
4866 If ALLOW_FLEXARR, handle types ending with flexible array member.
4867 Pass false as second argument to recursive count_type_elements calls.
4868 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
4869 argument to count_type_elements call.
4870 * tree-sra.c (decide_block_copy): Likewise.
4871 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
4872 for a constant-sized object, set cleared as well. Pass true as
4873 second argument to count_type_elements call.
4875 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4878 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
4879 from legitimate_small_data_p, and make global. Update use.
4880 Remove forward declaration.
4881 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
4883 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
4885 2005-08-23 David Edelsohn <edelsohn@gnu.org>
4887 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
4888 of scratch intermediates.
4889 (eq<mode>_compare): Same.
4890 (neg_eq0<mode>): New.
4891 (neg_eq<mode>): Convert to define_insn_and_split.
4893 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4896 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
4897 stdarg functions, set/clear the fp marker even when no variable
4899 * config/rs6000/sysv4.opt (mprototype): Describe.
4901 2005-08-22 Jakub Jelinek <jakub@redhat.com>
4903 PR rtl-optimization/23478
4904 * regs.h (reg_info): Add throw_calls_crossed.
4905 (REG_N_THROWING_CALLS_CROSSED): Define.
4906 * flow.c (allocate_reg_life_data): Initialize
4907 REG_N_THROWING_CALLS_CROSSED.
4908 (propagate_one_insn, attempt_auto_inc): Update
4909 REG_N_THROWING_CALLS_CROSSED.
4910 * global.c (global_alloc): Don't allocate pseudos across
4911 calls that may throw.
4913 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
4916 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
4917 value is inbetween the range if we did not find an exact match.
4919 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
4921 * doc/invoke.texi (Option Summary): Add ms1 options.
4922 * doc/extend.texi: Document interrupt handler attribute for ms1.
4923 * doc/md.texi: Document ms1 constraints.
4924 * config.gcc: Add ms1-*-elf.
4925 * config/ms1/ms1.h: New.
4926 * config/ms1/ms1.c: New.
4927 * config/ms1/ms1.md: New.
4928 * config/ms1/ms1-protos.h: New.
4929 * config/ms1/ABI.txt: New.
4930 * config/ms1/crti.asm: New.
4931 * config/ms1/crtn.asm: New.
4932 * config/ms1/lib2extra-funcs.c: New.
4933 * config/ms1/t-ms1: New.
4934 * config/ms1/ms1.opt: New.
4936 2005-08-22 Ira Rosen <irar@il.ibm.com>
4938 * config/rs6000/altivec.md (xorv4sf3): New.
4939 (negv4sf2, neg<mode>2): Likewise.
4941 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
4944 * config/ia64/ia64.md (divsi3): Check divide by zero.
4945 (udivsi3): Likewise.
4947 (udivdi3): Likewise.
4949 2005-08-21 Jakub Jelinek <jakub@redhat.com>
4951 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
4952 up to elem_bitsize bits, not max_bitsize.
4954 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4956 PR tree-optimization/23433
4957 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
4958 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
4960 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4962 PR tree-optimization/23434
4963 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
4964 the iteration bound is not an INTEGER_CST.
4966 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
4968 * tree-vect-transform.c (get_initial_def_for_reduction): Set
4969 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
4970 NULL if need_epilog_adjust is false.
4971 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
4972 Case 3 always peels first itration, not just for PLUS case, and no need
4973 to use scalar_initial_def here. Create an epilog adjustment only if
4974 scalar_initial_def is not NULL.
4976 (vectorizable_reduction): Remove assert.
4978 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
4981 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
4982 (__moddi3): Likewise.
4983 (__udivdi3): Likewise.
4984 (__umoddi3): Likewise.
4985 (__divsi3): Likewise.
4986 (__modsi3): Likewise.
4987 (__udivsi3): Likewise.
4988 (__umodsi3): Likewise.
4990 2005-08-20 Jakub Jelinek <jakub@redhat.com>
4992 * tree-pass.h (TDF_GRAPH): Define.
4993 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4994 * passes.c (finish_optimization_passes): Only call
4995 finish_graph_dump_file if TDF_GRAPH is set.
4996 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4997 NULL. Set TDF_GRAPH bit.
4998 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5000 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5002 * arm.h (arm_stack_offsets): Add locals_base field.
5003 * arm.c (arm_get_frame_offsets): Compute it.
5004 (thumb_compute_initial_elimination offset): Make the Thumb frame
5005 pointer point to the base of the local variables.
5006 (thumb_expand_prologue): Update accordingly.
5007 (thumb_expand_epilogue): Likewise.
5009 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5010 mode of clobbered scratch to DImode. Handle a case that's known to
5013 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5015 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5016 (gt0<mode>_compare): Delete.
5017 (neg_gt0<mode>): Delete.
5019 2005-08-19 Eric Christopher <echristo@apple.com>
5021 * optabs.h: Change CTI_ to COI_.
5024 2005-08-19 James E Wilson <wilson@specifix.com>
5026 * builtins.c (expand_builtin_return_addr): Set
5027 current_function_accesses_prior_frames when count != 0. Use
5028 frame_pointer_rtx when count == 0.
5029 * function.h (struct function): Add accesses_prior_frames field.
5030 (current_function_accesses_prior_frames): Define.
5031 * reload1.c (init_elim_table): Check
5032 current_function_accesses_prior_frames.
5033 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5035 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5037 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5038 indicator. Return true if the flowgraph changed during
5041 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5044 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5045 conditional expression before testing its value.
5047 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5049 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5051 2005-08-19 Devang Patel <dpatel@apple.com>
5053 PR tree-optimization/23048
5054 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5055 third parameter. Check whether latch is dominated by exit
5057 (if_convertible_loop_p): Supply exit block itself to
5058 if_convertible_bb_p.
5060 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5063 * arm.md (arm_load_pic_register): Change argument to the mask of
5064 saved registers. Call thumb_find_work_register if we need a
5065 scratch register on Thumb.
5066 (arm_expand_prologue): Pass empty register set to
5067 arm_load_pic_register.
5068 (thumb_expand_prologue): Pass live_regs_mask directly to
5069 arm_load_pic_register.
5070 * arm-protos.h (arm_load_pic_register): Update prototype.
5072 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5074 * sh.c (find_sole_member): New function.
5075 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5076 if the record's alignment is larger than the size of its only member.
5078 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5081 * arm.c (thumb_legitimize_reload_address): New function.
5082 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5083 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5085 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5087 * config/crx/crx.c: Implement crx_decompose_address. Reject
5088 symbolic displacements since CRX register relative adressing
5089 mode can't handle unsigned 32-bit values as displacements.
5090 * config/crx/crx.h: Simplify definitions, remove redundant
5091 parenthesis and obsolete macros.
5092 * config/crx/crx.opt: Add new switch for debugging addresses.
5093 * config/crx/crx-protos.h: Add new declarations for above.
5095 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5098 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5101 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5103 * collect2.c (dup2): Delete.
5104 * configure.ac: Don't check for dup2.
5106 * config.in, configure: Regenerate.
5108 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5110 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5111 record with the type of its only member.
5113 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5115 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5116 define_insn_and_split.
5117 (plus_ltu<mode>_compare): Same.
5118 (gtu<mode>_compare): Same.
5119 (plus_gtu<mode>_compare): Same.
5121 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5123 PR tree-optimization/22228
5124 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5126 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5127 are recorded in vect_vnames_to_rename for renaming.
5128 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5129 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5130 in vect_vnames_to_rename.
5131 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5132 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5134 2005-08-18 Jan Hubicka <jh@suse.cz>
5137 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5138 info only for local statics, not for member variables.
5140 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5142 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5144 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5146 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5148 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5151 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5153 2005-08-17 James E Wilson <wilson@specifix.com>
5155 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5158 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5160 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5161 (leu<mode>_compare): Same.
5162 (plus_leu<mode>): Same.
5163 (neg_leu<mode>): Same.
5164 (and_neg_leu<mode): Same.
5165 (ltu<mode>_compare): Same.
5166 (plus_ltu<mode>): Same.
5168 (geu<mode>_compare): Same.
5169 (plus_geu<mode>): Same.
5170 (neg_geu<mode>): Same.
5171 (and_neg_geu<mode>): Same.
5172 (plus_gt<mode>): Same.
5173 (gtu<mode>_compare): Same.
5174 (plus_gtu<mode>): Same.
5176 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5178 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5179 Move call_table_data to end. Delete spurious .text.
5180 (callt_save_all_interrupt): Fix comment typo.
5182 2005-08-17 James E Wilson <wilson@specifix.com>
5183 Kevin Winchester <winchester@amirix.com>
5186 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5188 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5191 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5192 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5194 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5196 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5197 record with the type of its only member if the modes don't match.
5199 * varasm.c (decode_reg_name): Skip empty additional register names.
5201 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5203 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5204 lsm_tmp_name_length): New.
5205 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5206 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5208 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5209 Andreas Krebbel <krebbel1@de.ibm.com>
5211 * config.gcc: Added z9-109 switch.
5212 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5213 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5214 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5215 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5216 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5217 for "z9_109" cpu attribute.
5218 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5219 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5220 (s390_handle_arch_option): Added z9-109 switch.
5221 (override_options): Set respective cost function for z9-109.
5222 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5223 (legitimate_reload_constant_p): Accept extended immediates.
5224 (print_operand): Three new output modifiers added: k, m and o.
5225 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5226 (s390_output_mi_thunk): Use extended immediate when possible.
5227 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5228 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5229 (CONSTRAINT_LEN): Added length of O constraint.
5230 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5231 * config/s390/s390.md ("cpu"): New value z9_109 added.
5232 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5233 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5234 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5235 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5236 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5237 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5238 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5239 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5240 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5241 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5242 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5243 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5244 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5245 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5246 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5248 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5249 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5250 insns for TARGET_EXTIMM.
5252 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5254 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5256 2005-08-17 Nick Clifton <nickc@redhat.com>
5258 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5259 Call default_encode_section_info.
5261 2005-08-17 Steven Bosscher <stevenb@suse.de>
5263 PR tree-optimization/21574
5264 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5265 constant, return CONSTANT.
5266 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5267 (ccp_fold, visit_assignment): Likewise.
5268 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5270 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5272 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5273 fold_buildN instead of buildN then fold_initializer or fold.
5274 (build_unary_op): Likewise.
5275 (build_binary_op): Likewise.
5276 * fold-const.c (fold_initializer): Remove.
5277 (fold_build1_initializer): New function.
5278 (fold_build2_initializer): New function.
5279 (fold_build3_initializer): New function.
5280 * tree.h (fold_initializer): Remove.
5281 (fold_build1_initializer): New function.
5282 (fold_build2_initializer): New function.
5283 (fold_build3_initializer): New function.
5285 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5287 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5288 (try_move_mult_to_index): Call fold_build2 instead of build2.
5289 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5290 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5291 fold_binary_to_constant.
5292 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5294 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5295 check if A == gcd (A, B). Remove TYPE argument.
5296 (analyze_offset) Use fold_build2 instead of fold (build.
5297 (create_data_ref): Likewise.
5298 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5299 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5302 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
5304 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5305 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5307 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
5310 * gimplify.c (zero_sized_type): New function.
5311 (gimplify_modify_expr_rhs): If we have a zero sized type,
5312 replace the statement with an empty statement.
5314 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
5316 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5319 2005-08-16 Ian Lance Taylor <ian@airs.com>
5321 * doc/tm.texi (Label Output): Correct typo.
5323 2005-08-16 Steven Bosscher <stevenb@suse.de>
5326 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5327 force_operand will work later on using have_insn_for.
5329 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5331 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5333 2005-08-16 Ian Lance Taylor <ian@airs.com>
5336 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5337 vector type, don't try to construct it element by element. Add an
5338 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5340 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5342 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5344 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5346 * doc/invoke.texi (Precompiled Headers): Document some more options
5347 which are known to be safe.
5349 2005-08-16 James E Wilson <wilson@specifix.com>
5351 PR tree-optimization/21105
5352 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5353 TREE_OVERFLOW check.
5355 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5357 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5358 (neg_ltu<mode>): Same.
5360 (neg_gtu<mode>): Same.
5362 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5364 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5365 (fold_builtin_isdigit): Use fold_buildN.
5366 (build_function_call_expr): Likewise.
5367 * c-typeck.c (c_finish_loop): Likewise.
5369 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5370 Richard Shann <rshann@superh.com>
5372 PR middle-end/20396:
5373 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5375 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5377 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5379 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5382 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5383 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5386 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5389 * fold-const.c (build_range_check): Disable optimization for function
5390 pointer expressions on targets that require function pointer
5393 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5395 * simplify-rtx.c (simplify_const_relational_operation): When
5396 extracting arguments of a COMPARE, recompute the mode as well.
5398 2005-08-15 Ian Lance Taylor <ian@airs.com>
5400 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5402 2005-08-15 DJ Delorie <dj@redhat.com>
5404 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5406 (movsi_splittable): Allow, but split, moves to the stack.
5407 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5410 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5412 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5413 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5414 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5416 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5417 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5418 Delete HOST_PTR_PRINTF.
5420 * configure, config.in: Regenerate.
5422 2005-08-15 David Edelsohn <edelsohn@gnu.org>
5424 * config/rs6000/rs6000.md (QHSI): New mode macro.
5425 (wd): Extend mode attr for QImode and HImode
5426 (dbits): New mode attr.
5427 (zero_extend<mode>di2): Convert to mode macro.
5429 2005-08-15 Steve Ellcey <sje@cup.hp.com>
5432 * doc/invoke.texi (-mgnu-ld): Update description.
5435 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5438 * Makefile.in (tree-chrec.o): Depends on real.h.
5439 * tree-chrec.c: Include real.h.
5440 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5441 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5442 * tree-scalar-evolution.c (add_to_evolution_1,
5443 interpret_rhs_modify_expr): Ditto.
5445 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5448 * tree-data-ref.c (estimate_niter_from_size_of_data): When
5449 step is negative compute the estimation from init downwards to zero.
5451 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
5453 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5455 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5457 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5459 (legitimate_reload_constant_p): Fix handling of lliXX operands.
5460 Accept double-word constants that can be split.
5461 * config/s390/s390.md ("movti"): Use 'P' constraint.
5462 ("*movdi_31", "*movdf_31"): Likewise.
5464 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
5466 Fix PR tree-optimization/22615
5468 * tree-ssa-structalias.c (solution_set_add): Handle
5469 first_vi_for_offset returning NULL.
5470 (do_da_constraint): Ditto.
5471 (do_sd_constraint): Ditto.
5472 (do_ds_constraint): Ditto
5473 (find_func_aliases): Ditto.
5474 (build_constraint_graph): RHS is allowed be ANYTHING.
5475 (first_vi_for_offset): Return NULL if we couldn't find anything at
5478 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5480 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5481 over memory as first operand.
5483 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
5486 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5487 available for setting it.
5489 2005-08-14 Ira Rosen <irar@il.ibm.com>
5491 PR tree-optimization/23320
5492 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5493 data-refs' types instead of base object nullness. Add check for
5494 pointer type data-refs before first location comparison. Remove
5497 2005-08-14 Andreas Schwab <schwab@suse.de>
5499 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5501 2005-08-13 James E Wilson <wilson@specifix.com>
5503 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5504 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5505 -fstack-protector-all, --param ssp-buffer-size): Document.
5506 (-Wvariadic-macros): Alphabetize.
5507 (-fsched-stalled-insns-dep): Add missing 'f'.
5509 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5512 2005-08-13 David Edelsohn <edelsohn@gnu.org>
5514 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5515 or indirect address operand.
5516 (EXTRA_ADDRESS_CONSTRAINT): New.
5517 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5519 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
5521 PR tree-optimization/22236
5522 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5523 successors and predecessors.
5524 * tree-chrec.c (chrec_convert): Before converting, check that
5525 sequences don't wrap.
5526 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5527 (analyze_array): Extern.
5528 (find_data_references_in_loop): Remove call to
5529 compute_estimated_nb_iterations.
5530 * tree-data-ref.h (analyze_array): Declared.
5531 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5532 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5533 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5534 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5536 * tree-ssa-loop-ivcanon.c: Fix documentation.
5537 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5538 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5539 (infer_loop_bounds_from_undefined): New.
5540 (estimate_numbers_of_iterations_loop): Use
5541 infer_loop_bounds_from_undefined.
5542 (used_in_pointer_arithmetic_p): New.
5543 (scev_probably_wraps_p): Pass an extra parameter. Call
5544 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
5545 (convert_step): Fix documentation.
5546 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5547 Use initial_condition_in_loop_num and evolution_part_in_loop_num
5548 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
5549 scev_probably_wraps_p.
5551 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
5553 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5554 (s390_register_info): Ignore clobbered_regs information for fixed
5555 registers, and only fixed registers.
5556 (s390_init_frame_layout): Remove redundant call.
5558 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
5560 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5561 description of -Wold-style-casts.
5563 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5564 Jakub Jelinek <jakub@redhat.com>
5566 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5567 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5568 * config/s390/s390.c (print_operand): New output modifier 'G' added.
5569 (get_thread_pointer): Renamed to s390_get_thread_pointer.
5570 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5571 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5572 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5573 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5574 ("stack_protect_set", "stack_protect_test"): New expanders.
5575 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5576 "stack_protect_testdi"): New insn definitions.
5578 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5580 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5582 2005-08-12 Paul Brook <paul@codesourcery.com>
5584 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5586 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5588 * config/s390/predicates.md (setmem_operand): New predicate.
5589 (shift_count_operand): Accept ANDs with special constants as
5591 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5592 with special constants.
5593 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5594 shift_count_operand with setmem_operand.
5596 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5598 * config/s390/s390.c (s390_extract_part, s390_single_part):
5600 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5601 (s390_output_mi_thunk): Don't use lg on 31 bit.
5602 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5603 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5605 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5607 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5608 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5609 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5610 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5611 with one of the new macros.
5613 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5615 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5616 Don't set save_return_addr_p.
5617 (s390_register_info): Make clobbered_regs not depending on
5620 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
5622 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5623 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5625 2005-08-11 James E. Wilson <wilson@specifix.com>
5627 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5629 2005-08-11 Jakub Jelinek <jakub@redhat.com>
5631 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5632 locations gathered by var-tracking in single entry loc_list
5633 over loc_descriptor_from_tree.
5635 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5636 pass it down to loc_descriptor.
5637 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5638 (containing_function_has_frame_base): Move earlier in the file.
5639 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5640 instead of always assuming fbreg can't be used.
5642 2005-08-11 David Edelsohn <edelsohn@gnu.org>
5644 * config/rs6000/altivec.md: Change constraint "m" to "Z".
5645 * config/rs6000/predicates.md (indexed_or_indirect_operand):
5646 Accept address wrapped in AND for Altivec.
5647 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5648 Strip AND wrapping offset address for Altivec.
5650 2005-08-11 Richard Henderson <rth@redhat.com>
5653 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5654 before using TYPE_IS_SIZETYPE.
5656 2005-08-11 Richard Henderson <rth@redhat.com>
5659 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5660 insn types not present on ev4.
5661 (alphaev5_insn_pipe): Similarly.
5663 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
5666 * arm.c (arm_override_options): If the user has selected callee-super-
5667 interworking, then enable normal interworking.
5669 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5671 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5674 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
5676 * doc/rtl.texi: Fix two typos.
5678 2005-08-11 Richard Guenther <rguenther@suse.de>
5681 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5682 cases where we call to/from functions returning void.
5684 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
5687 * tree.c (build_pointer_type_for_mode): Robustify.
5689 2005-08-10 James E Wilson <wilson@specifix.com>
5691 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5692 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5694 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5697 2005-08-10 Eric Christopher <echristo@apple.com>
5699 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5700 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5703 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
5706 * config/darwin.c (machopic_indirect_data_reference): Use a new register
5707 for the high part when generating dynamic-no-pic code.
5709 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
5711 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5712 (x86_64-*-linux*): Likewise.
5714 * config/i386/crtfastmath.c: New file.
5715 * config/i386/t-crtfm: Likewise.
5717 * config/i386/linux.h (ENDFILE_SPEC): New.
5718 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5720 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5723 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
5725 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5726 (vec_shl, vec_shr): Document new operations.
5727 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5729 2005-08-10 David Edelsohn <edelsohn@gnu.org>
5731 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5732 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5733 change predicate to indexed_or_indirect_address.
5735 2005-08-10 Richard Sandiford <richard@codesourcery.com>
5737 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5738 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5739 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5740 and __aeabi_uwrite8.
5741 * config/arm/unaligned-funcs.c: New file.
5742 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5744 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
5746 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5748 * cfglayout.c (pass_insn_locators_initialize): Add dump.
5749 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5751 * except.c (pass_convert_to_eh_region_ranges): Add dump.
5752 * final.c (pass_shorten_branches): Add dump.
5753 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5754 (pass_life): Rename dump.
5755 (rest_of_handle_flow2): Remove initial verify_flow_info.
5756 * function.c (pass_instantiate_virtual_regs): Add dump.
5757 * integrate.c (pass_initial_value_sets): Add dump.
5758 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5759 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5760 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5761 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5762 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5763 gate_rtl_unrool_and_peel_loops): New.
5764 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5765 rtl_doloop): Do not look at flags.
5766 * mode-switching.c (pass_mode_switching): Add dump.
5767 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
5768 pass_split_before_regstack): Add dump.
5769 * regmove.c (pass_stack_adjustments): Add dump.
5770 * tree-optimize.c (pass_fixup_cfg): Add dump.
5772 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5775 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
5776 deciding which instruction sequence to use.
5778 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
5780 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
5781 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
5783 2005-08-09 Richard Guenther <rguenther@suse.de>
5785 * c-common.c (builtin_function_2): Remove.
5786 (def_builtin_1): New function.
5787 (c_common_nodes_and_builtins): Use def_builtin_1 to
5788 build builtin functions.
5790 2005-08-09 Jie Zhang <jie.zhang@analog.com>
5792 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
5793 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5794 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
5797 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5799 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
5800 fold_binary instead of fold_build2 since we don't care about the
5802 (loop_niter_by_eval): Likewise.
5803 (compare_trees): Likewise.
5804 (proved_non_wrapping_p): Likewise.
5806 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5810 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5811 if the if is really empty.
5813 2005-08-09 Steven Bosscher <stevenb@suse.de>
5815 PR tree-optimization/23234
5816 * tree-ssa-math-opts.c (place_reciprocal): New enum.
5817 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
5818 argument of the new enum.
5819 (execute_cse_reciprocals): Add reciprocals for function arguments
5820 on the unique successor edge of the entry block. Update other calls
5821 to execute_cse_reciprocals_1.
5823 2005-08-08 Richard Henderson <rth@redhat.com>
5826 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
5828 2005-08-08 Bob Wilson <bob.wilson@acm.org>
5830 * expr.c (write_complex_part): Return after handling MEM.
5832 2005-08-08 Josh Conner <jconner@apple.com>
5834 PR rtl-optimization/23241
5835 * combine.c (simplify_comparison): Fix error in determining
5836 whether to lift a subreg from comparison.
5838 2005-08-08 David Edelsohn <edelsohn@gnu.org>
5841 * config/rs6000/altivec.md (vec_init<mode>): New.
5842 (vec_set<mode>): New.
5843 (vec_extract<mode>): New.
5844 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
5845 (rs6000_expand_vector_set): New.
5846 (rs6000_expand_vector_extract): New.
5847 (rs6000_legitimate_offset_address_p): Offset addresses are valid
5848 for Altivec modes before reload.
5849 (altivec_expand_vec_init_builtin): New.
5850 (get_element_number): New.
5851 (altivec_expand_vec_set_builtin): New.
5852 (altivec_expand_vec_ext_builtin): New.
5853 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
5855 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
5857 * config/rs6000/rs6000.h (rs6000_builtins): Add
5858 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
5859 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
5860 * config/rs6000/rs6000-protos.h: Declare new functions.
5862 2005-08-08 Jan Hubicka <jh@suse.cz>
5864 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
5865 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
5866 * i386.md (movdi*): Use pic_32bit_operand.
5867 * predicates.md (pic_32bit_operand): New.
5869 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
5872 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
5874 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
5876 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
5877 (test_for_singularity): Use fold_build2.
5879 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5881 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
5883 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
5885 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5886 (COMMON_ASM_OP) Define.
5887 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
5888 (ix86_encode_section_info): Likewise.
5889 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
5890 SUBTARGET_ENCODE_SECTION_INFO.
5892 2005-08-06 Richard Henderson <rth@redhat.com>
5895 * tree-nested.c (convert_local_reference): Save and restore val_only
5896 around component_ref and friends. Clear walk_subtrees by default.
5898 2005-08-06 Peter O'Gorman <peter@pogma.com>
5901 * gcc.c (process_command): Check the argument to -b has a dash.
5902 * doc/invoke.texi: Update -b and -V docs.
5904 2005-08-06 James E Wilson <wilson@specifix.com>
5906 * config/mips/cross64.h, config/mips/t-cross64: Delete.
5908 2005-08-06 Michael Matz <matz@suse.de>
5910 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
5911 member only if only one insn is associated with the value.
5913 2005-08-06 Nick Clifton <nickc@redhat.com>
5915 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
5917 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
5918 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
5919 Check symbol flags instead of symbol name mangling.
5920 (xstormy16_asm_output_aligned_common): Likewise. Also
5921 simplify code since the bss100_section cass is the only case
5922 where the below100 code will be triggered.
5923 (xstormy16_encode_section_info): Encode below100 attribute
5924 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
5926 (xstormy16_strip_name_encoding): Delete - this function is no
5928 (TARGET_STRIP_NAME_ENCODING): Undefine.
5929 * config/stormy16/stormy16-protos.h: Delete prototype for
5930 xstormy16_strip_name_encoding.
5932 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
5934 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
5935 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
5936 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
5937 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
5938 config/alpha/predicates.md, config/arc/arc.h,
5939 config/arm/arm.h, config/arm/ieee754-df.S,
5940 config/arm/ieee754-sf.S, config/bfin/bfin.c,
5941 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
5942 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
5943 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
5944 config/m68hc11/m68hc11.h, config/mips/mips.c,
5945 config/mips/mips.h, config/mips/openbsd.h,
5946 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
5947 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
5948 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5949 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
5950 config/sparc/linux.h, config/sparc/linux64.h,
5951 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
5952 doc/extend.texi, doc/gcov.texi, doc/install.texi,
5953 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
5954 typos. Follow spelling conventions.
5956 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
5959 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
5960 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
5961 specially. Check for side effects only for COND_EXPR.
5962 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
5963 return with TREE_NO_WARNING.
5965 2005-08-06 Richard Sandiford <richard@codesourcery.com>
5967 PR rtl-optimization/23233
5968 * loop.c (combine_movables): Require the modes to be the same.
5969 (move_movables): Remove handling of cases where the replacement
5970 had a different mode to the original.
5972 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
5974 PR tree-optimization/23128
5975 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
5976 subtraction wrap, and set TREE_OVERFLOW if they do.
5978 2005-08-05 Richard Henderson <rth@redhat.com>
5981 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
5982 FORCED_LABEL labels.
5984 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
5987 * reload.c (find_reloads_subreg_address): Pass down TYPE
5988 unchanged. Change all callers except find_reloads_toplev.
5990 2005-08-05 Michael Matz <matz@suse.de>
5992 * genattrtab.c (current_alternative_string): Remove.
5993 (SIMPLIFY_ALTERNATIVE): Ditto.
5994 (attr_alt_bit_p): Ditto.
5995 (alternative_name): Make const char *.
5996 (evaluate_eq_attr): Remove use of above things.
5997 (simplify_test_exp): Ditto.
5998 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5999 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6001 2005-08-04 James E Wilson <wilson@specifix.com>
6003 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6004 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6005 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6006 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6007 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6009 2005-08-04 Richard Henderson <rth@redhat.com>
6012 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6013 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6014 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6015 if we'd have to instantiate too many members.
6017 2005-08-04 Richard Henderson <rth@redhat.com>
6020 * tree-outof-ssa.c (coalesce_asm_operands): New.
6021 (coalesce_ssa_name): Use it. Split out ...
6022 (coalesce_phi_operands, coalesce_result_decls): ... these.
6024 2005-08-04 Paul Brook <paul@codesourcery.com>
6026 * read-rtl.c (read_quoted_string): Break if EOF.
6028 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6030 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6031 (fold_build2): Likewise.
6032 (fold_build3): Likewise.
6033 (fold_build1_stat): New function prototype.
6034 (fold_build2_stat): Likewise.
6035 (fold_build3_stat): Likewise.
6036 * fold-const.c (fold_build1): Rename to ..
6037 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6038 through to build1_stat.
6039 (fold_build2): Rename to ..
6040 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6041 through to build2_stat.
6042 (fold_build3): Rename to ..
6043 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6044 through to build3_stat.
6046 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6047 Ian Lance Taylor <ian@airs.com>
6049 * function.c (assign_stack_local_1): Do not correct stack slot
6050 address if allocation size is smaller than mode size.
6052 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6055 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6056 (tree_merge_blocks): Propagate anything allowed by
6058 Clarify documentation.
6059 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6060 SSA form, schedule an update if necessary.
6062 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6064 * doc/install.texi (Binaries): Remove broken link to
6065 Sinix/Reliant Unix binaries.
6067 2005-08-03 Richard Henderson <rth@redhat.com>
6070 * function.c (stack_protect_epilogue): Export.
6071 * tree.h (stack_protect_epilogue): Declare.
6072 * calls.c (expand_call): Call it.
6074 2005-08-03 Eric Christopher <echristo@apple.com>
6076 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6077 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6080 2005-08-04 Jan Hubicka <jh@suse.cz>
6082 * profile.c (branch_prob): Split edges with goto locus on them
6083 to get proper line counts.
6084 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6086 2005-08-03 Paul Brook <paul@codesourcery.com>
6088 * function.c (assign_parms): Round current_function_args_size
6089 to PARM_BOUNDARY, not STACK_BOUNDARY.
6091 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6093 * config/i386/i386.c (x86_elf_aligned_common)
6094 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6096 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6098 PR tree-optimization/23157
6099 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6100 before emitting them.
6102 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6104 PR tree-optimization/19899
6105 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6106 * tree-scalar-evolution.c: Include real.h.
6107 (add_to_evolution): Build constant -1 of correct type.
6109 2005-08-03 Jan Hubicka <jh@suse.cz>
6111 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6112 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6113 profile updating for complette unrolling.
6114 * loop-unroll.c (peel_loop_completely): Use it.
6115 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6116 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6119 2005-08-03 Paul Brook <paul@codesourcery.com>
6121 * combine.c (can_change_dest_mode): New function.
6122 (try_combine, simplify_set): Use it.
6124 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6126 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6129 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6131 * doc/install.texi (Specific): Adjust link to openavr.org.
6132 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6133 (Binaries): Adjust HP-UX Porting Center link.
6134 (Binaries): Adjust Free Software Foundation ordering link.
6136 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6138 * convert.c (convert_to_integer): Use fold_build1 instead of
6139 build1 when converting an integer to an integer.
6141 2005-08-02 Richard Henderson <rth@redhat.com>
6143 * combine.c (combine_instructions): Don't use reg_equal/equiv
6144 results if the mode doesn't match.
6146 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6148 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6149 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6151 2005-08-02 Richard Henderson <rth@redhat.com>
6154 * explow.c (memory_address): Remove special-case for
6155 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6157 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6160 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6161 number of calls to cleanup_tree_cfg_1.
6163 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6165 * doc/invoke.texi: document file extensions .F90 and .F95
6167 2005-08-02 Richard Guenther <rguenther@suse.de>
6169 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6170 positive if its first argument is positive.
6172 2005-08-02 Richard Guenther <rguenther@suse.de>
6174 PR tree-optimization/23177
6175 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6178 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6180 PR tree-optimization/23129
6181 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6182 varying for divisions with anti-ranges.
6184 2005-08-02 Jan Hubicka <jh@suse.cz>
6186 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6187 * tree-ssa-threadupdate.c (thread_block): Add it here.
6189 2005-08-01 James E Wilson <wilson@specifix.com>
6191 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6192 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6193 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6195 * config/mips/predicates.md (const_call_insn_operand): Add check for
6196 SYMBOL_REF_LONG_CALL_P.
6197 * doc/extend.texi (long_call): Document the new attribute.
6199 2005-08-01 Ian Lance Taylor <ian@airs.com>
6200 Richard Henderson <rth@redhat.com>
6202 * Makefile.in (RTL_BASE_H): Add real.h.
6203 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6205 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6207 * rtl.c (rtl_check_failed_code_mode): New.
6208 * rtl.h (struct rtx_def): Add u.rv.
6209 (XCMWINT, XCNMPRV): New.
6210 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6211 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6213 2005-08-01 Richard Henderson <rth@redhat.com>
6215 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6216 with auto-inc codes.
6218 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6220 2005-08-01 Jan Hubicka <jh@suse.cz>
6222 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6223 * i386.c: Include dwarf2.h
6224 (asm_preferred_eh_data_format): New.
6225 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6227 2005-08-01 Ian Lance Taylor <ian@airs.com>
6229 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6230 randomize_va_space for virtual address randomization control.
6232 2005-08-01 Steven Bosscher <stevenb@suse.de>
6234 * common.opt (flag_ipa_cp): Put in right place to maintain
6237 2005-08-01 Jan Hubicka <jh@suse.cz>
6239 * profile.c (compute_value_histograms): Fix thinko.
6240 * value-prof.c: Include toplev.h
6241 (check_counter): New function.
6242 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6243 tree_mod_subtract_transform): Add sanity check.
6245 2005-08-01 Richard Guenther <rguenther@suse.de>
6247 PR tree-optimization/23133
6248 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6249 current functions parameter decls to find defs to cse
6252 2005-08-01 Richard Guenther <rguenther@suse.de>
6254 PR tree-optimization/23109
6255 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6256 If trapping math is in effect, use post-dominator information
6257 to check if we'd in any case reach a trapping point before
6258 doing the reciprocal insertion.
6259 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6260 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6261 expressions are invariant only if trapping math is not in effect.
6263 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6265 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6266 cgraph_function_versioning): New declarations.
6267 * cgraphunit.c: Add include to ipa-prop.h.
6268 (update_call_expr, cgraph_copy_node_for_versioning,
6269 cgraph_function_versioning): New functions.
6270 * integrate.c (copy_decl_for_inlining): Remove.
6271 * ipa-prop.h (ipa_replace_map): New struct.
6272 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6273 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6274 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6275 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6276 ipcp_iterate_stage, ipcp_method_scale_print,
6277 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6278 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6279 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6280 ipcp_update_bb_counts, ipcp_update_profiling,
6281 ipcp_update_edges_counts): New functions.
6282 (ipcp_method_cval_init): Remove restriction regarding local methods.
6283 (ipcp_init_stage): Add ipcp_method_compute_scale.
6284 (ipcp_insert_stage): Add versioning.
6285 (ipcp_structures_print): Add ipcp_method_scale_print.
6286 (ipcp_driver): Dump profiling info.
6287 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6288 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6289 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6290 (struct inline_data): Add versioning_p, ipa_info, new fields.
6291 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6292 declare_return_variable): Replace calls to copy_decl_for_inlining with
6294 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6296 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6297 Add argument VERSIONING.
6298 (copy_arguments_for_versioning, copy_static_chain,
6299 function_versionable_p, tree_versionable_function_p,
6300 tree_function_versioning, replace_ref_tree): New functions.
6301 * tree-inline.h: Include varray.h.
6302 (tree_versionable_function_p, tree_function_versioning,
6303 tree copy_decl_for_dup): New declarations.
6305 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6307 * ipa-cp.c: New file. Contains IPCP specific functionality.
6308 * ipa-prop.h: New file. Contains structures/definitions that can be
6309 used by several interprocedural data flow optimizations (and also IPCP).
6310 * ipa-prop.c: New file.
6311 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6312 * common.opt: Add ipa-cp flag.
6313 * timevar.def: Add IPCP optimization.
6314 * tree-optimize.c (init_tree_optimization_passes): Schedule
6316 * tree-pass.h (pass_ipa_cp): Declare.
6318 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
6320 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6321 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6322 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6323 config/i386/i386.c, config/mips/mips.h,
6324 config/rs6000/rs6000.h, config/sh/sh.c,
6325 config/stormy16/stormy16.c: Fix comment typos.
6327 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
6330 * c-typeck.c (build_binary_op): Use common_type wrapper on
6332 (common_type): Update comment.
6334 2005-07-31 Steven Bosscher <stevenb@suse.de>
6337 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6338 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6339 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6341 2005-07-31 Jan Hubicka <jh@suse.cz>
6343 * pretty-print.h (pp_widest_integer): New macro.
6344 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6347 2005-07-31 Jan Hubicka <jh@suse.cz>
6349 * output.h (enum section_category): Export from varasm.c
6350 (categorize_decl_for_section): Likewise.
6351 * varasm.c (enum section_category): Kill.
6352 (categorize_decl_for_section): Make global.
6353 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6355 * i386.c (ix86_section_threshold): New static variable.
6356 (ix86_in_large_data_p, ix86_encode_section_info,
6357 x86_64_elf_unique_section,
6358 x86_64_elf_select_section): New functions.
6359 (TARGET_ENCODE_SECTION_INFO): Define
6360 (override_options): Enable medium model for PIC.
6361 (ix86_expand_prologue): Expand gen_set_got_rex64.
6362 (legitimate_constant_p): Handle new UNSPECs.
6363 (legitimate_pic_address_disp_p): Likewise.
6364 (legitimize_pic_address): Lower MEDIUM model addressing.
6365 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6366 (enum cmodel): Add MEDIUM_PIC.
6367 (SYMBOL_REF_FAR_ADDR_P): New macro.
6368 (SYMBOL_FLAG_FAR_ADDR): New flag.
6369 * i386.md (movdi): Support medium model.
6370 (set_got_rex64): New pattern.
6371 * i386.opt (mlarge-data-threshold): New flag.
6372 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6373 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6374 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6375 TARGET_ASM_UNIQUE_SECTION): New.
6377 * invoke.texi (-mlarge_data_threshold): Document
6379 2005-07-31 Jan Hubicka <jh@suse.cz>
6381 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6382 (coalesce_vars): Likewise.
6383 * tree-ssa-live.c (coalesce_cost): New.
6384 (build_tree_conflict_graph): Use coalesce_cost.
6385 * tree-ssa-live.h (coalesce_cost): Declare.
6387 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6389 * arm.md (all peepholes for post-increment operations): Delete.
6390 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6391 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6392 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6393 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6394 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6396 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6398 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6401 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6404 * doc/invoke.texi: Document -rdynamic.
6406 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
6409 * c-parser.c (c_parser_parms_list_declarator): Call
6410 mark_forward_parm_decls.
6411 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6412 decls with visibility structure.
6414 2005-07-30 Paul Brook <paul@codesourcery.com>
6416 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6418 2005-07-30 Paul Brook <paul@codesourcery.com>
6420 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6422 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6424 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6426 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6429 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6430 nested function declarators.
6431 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6432 (grokparms): Call warn_if_shadowing for parameters used within the
6434 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6435 not used within the parameter list.
6436 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6438 2005-07-30 Jan Hubicka <jh@suse.cz>
6440 * expr.c (expand_expr_real_1): Do not load mem targets into register.
6441 * i386.c (ix86_fixup_binary_operands): Likewise.
6442 (ix86_expand_unary_operator): Likewise.
6443 (ix86_expand_fp_absneg_operator): Likewise.
6444 * optabs.c (expand_vec_cond_expr): Validate dest.
6446 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6449 * real.c (real_from_string): Also set last bit if there is a
6450 nonzero hex digit beyond GCC's internal precision after ".".
6452 2005-07-29 David Edelsohn <edelsohn@gnu.org>
6454 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6455 define_constants. Change duplicate values to unassigned numbers.
6456 Change UNSPEC_SUBS to UNSPEC_VSUBS.
6457 (*altivec_vspltsf): New.
6458 (altivec_vperm_v4sf): Delete.
6459 (altivec_vperm_<mode>): Use mode macro V.
6460 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6461 (altivec_predicate_v4sf): Delete.
6462 (altivec_predicate_<mode>): Use mode macro V.
6463 (*altivec_lvesfx): New.
6464 (*altivec_stvesfx): New.
6465 (vec_realign_load_v4sf): Delete.
6466 (vec_realign_load_<mode>): Use mode macro V.
6467 * config/rs6000/rs6000.c (generate_set_vrsave): Use
6470 2005-07-29 Mark Mitchell <mark@codesourcery.com>
6473 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6475 * configure: Regenerated.
6477 2005-07-29 Paul Brook <paul@codesourcery.com>
6479 * doc/install.texi: Add link to GFortran binaries wiki page.
6481 2005-07-29 David Ung <davidu@mips.com>
6483 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6484 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6485 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6486 * config/mips/mips.md (cpu): Add 5kf name.
6487 (includes): Includes 5k.md.
6488 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6489 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6492 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6495 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6496 (cleanup_tree_cfg): ... here.
6497 Call cleanup_tree_cfg_1 until there are no more cleanups to
6500 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
6502 * tree-vrp.c (compare_range_with_value): Return true or false
6503 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6504 EQ_EXPR respectively.
6506 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
6508 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6511 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6513 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6514 (tree_ssa_dominator_optimize): Increment it.
6515 (dump_dominator_optimization_stats): Print it.
6517 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
6518 Steven Bosscher <stevenb@suse.de>
6520 PR rtl-optimization/23117
6521 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6522 when head == tail. Tidy comment.
6524 2005-07-28 Richard Henderson <rth@redhat.com>
6526 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6527 * cselib.c (rtx_equal_for_cselib_p): Likewise.
6528 * jump.c (rtx_renumbered_equal_p): Likewise.
6529 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6530 CONST_INT and CONST_DOUBLE.
6531 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6532 * reload.c (operands_match_p): Special case CONST_INT and
6533 CONST_DOUBLE; check mode earlier.
6535 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6538 * c-typeck.c (convert_for_assignment): Do not check
6539 DECL_IN_SYSTEM_HEADER on NULL fundecl.
6541 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6544 * c-typeck.c (composite_type): Prefer constant size arrays to
6547 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6550 * real.c (real_from_string): Set last bit if there is a nonzero
6551 hex digit beyond GCC's internal precision.
6553 2005-07-28 Richard Henderson <rth@redhat.com>
6556 * cfgcleanup.c (try_forward_edges): Watch out for end of
6559 2005-07-28 James E Wilson <wilson@specifixinc.com>
6562 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6564 2005-07-28 Jan Hubicka <jh@suse.cz>
6566 * Makefile.in (rtl-profile.o): Kill all traces of it.
6567 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6568 * coverage.h (rtl_coverage_counter_ref): Kill.
6569 * opts.c (flag_speculative_prefetching_set): Kill.
6570 (flag_loop_optimize_set): New.
6571 (common_handle_option): Disable loop optimizer when profiling;
6572 do not handle speculative prefetching.
6573 * passes.c (init_optimization_passes): Replace pass_profiling combo
6574 by branch_prob pass.
6575 * profile.c (compute_value_histograms): Update for simplified value
6577 (rtl_register_profile_hooks): Kill.
6578 (pass_profiling): Kill.
6579 (rest_of_handle_branch_prob): Do not profile.
6580 * toplev.c (process_options): Remove speculative prefetching.
6581 * toplev.h (flag_tree_based_profiling): Kill.
6582 * tree-profile.c (prepare_instrumented_value,
6583 tree_gen_interval_profiler, tree_gen_pow2_profiler,
6584 tree_gen_one_value_profiler, do_tree_profiling): Update for
6585 simplified datastructures.
6586 * value-prof.c: Add comment that speculative prefetching was dropped;
6587 update rest of file for simplified datastructures.
6588 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6589 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6590 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6591 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6592 rtl_mod_subtract, gen_speculative_prefetch,
6593 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6594 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6595 (gate_handle_value_profile_transformations,
6596 rest_of_handle_value_profile_transformations,
6597 pass_value_profile_transformations): Kill.
6598 * value-prof.h (histogram_value_t): Remove IL based unions.
6599 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6600 rtl_profile_hooks): Remove hooks.
6602 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6604 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6605 (cgraph_clone_node): Likewise.
6606 * cgraph.h (cgraph_clone_edge): Update prototype.
6607 (cgraph_clone_node): Likewise.
6608 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6610 (lookup_recursive_calls): Consider profile.
6611 (cgraph_decide_recursive_inlining): Fix updating; use new
6612 probability argument; use profile.
6613 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6614 * tree-inline.c (copy_bb): Update clal of clone_edge.
6615 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6617 * invoke.texi (min-inline-recursive-probability): Document.
6619 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
6621 * doc/install.texi (Configuration): Update Valgrind homepage.
6623 2005-07-28 Richard Henderson <rth@redhat.com>
6626 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6627 labels we want to delete.
6628 (cfg_layout_merge_blocks): Likewise.
6630 2005-07-28 Richard Henderson <rth@redhat.com>
6633 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6634 when expanding to nothing.
6636 2005-07-28 Josh Conner <jconner@apple.com>
6638 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6639 (cgraph_decide_inlining_of_small_functions): Likewise.
6641 2005-07-28 Josh Conner <jconner@apple.com>
6643 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
6644 direction of badness if negative.
6645 (cgraph_default_inline_p): Add reason to parameters, and assign it
6647 (cgraph_decide_inlining_of_small_functions): New parameter in call
6648 to cgraph_default_inline_p.
6649 (cgraph_decide_inlining_incrementally): Likewise.
6650 * cgraphunit.c (decide_is_function_needed): Likewise.
6651 * cgraph.h (cgraph_default_inline_p): Likewise.
6653 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6655 * builtins.c: Fix comment typo(s).
6656 * genautomata.c: Likewise.
6657 * gimplify.c: Likewise.
6658 * tree-dfa.c: Likewise.
6659 * tree-flow-inline.h: Likewise.
6660 * tree-into-ssa.c: Likewise.
6661 * tree-ssa-alias.c: Likewise.
6662 * tree-ssa-ccp.c: Likewise.
6663 * tree-ssa-copy.c: Likewise.
6664 * tree-ssa-dce.c: Likewise.
6665 * tree-ssa-dom.c: Likewise.
6666 * tree-ssa-operands.c: Likewise.
6667 * tree-tailcall.c: Likewise.
6668 * tree-vectorizer.c: Likewise.
6669 * tree-vrp.c: Likewise.
6672 2005-07-28 Jeff Law <law@redhat.com>
6674 * tree-vrp.c (test_for_singularity): Extracted from ...
6675 (simplify_cond_using_ranges): Attempt to simplify a relational
6676 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
6678 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
6680 PR tree-optimization/22506
6681 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6682 phis whose argument is constant.
6684 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
6686 PR rtl-optimization/18992
6687 Back out this patch:
6688 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6689 PR optimization/12142
6690 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6691 uses of the register in the SET_SRC. Remove unnecessary argument.
6693 Replace it with this:
6694 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6695 if flag_non_call_exceptions is set and the insn may trap, pass
6696 pc_rtx as dest for recursion.
6697 In SET_SRC part of SET case, if dest is already set, pass it down
6700 2005-07-28 Jan Hubicka <jh@suse.cz>
6702 * cfg.c (update_bb_profile_for_threading): Use RDIV.
6703 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6704 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6706 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6707 profile when available.
6709 2005-07-28 Jan Beulich <jbeulich@novell.com>
6711 * config/ia64/ia64.c (ia64_load_pair_ok): New.
6712 (ia64_print_operand): Describe and handle 'X'.
6713 (ia64_register_move_cost): Also handle FP_REGS.
6714 (ia64_preferred_reload_class): Likewise.
6715 (ia64_secondary_reload_class): Likewise.
6716 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6717 it. Also check for ITANIUM_CLASS_FLDP.
6718 * config/ia64/ia64.h (FP_REGNO_P): New.
6719 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6720 (reg_class): Add FP_REGS.
6721 (REG_CLASS_NAMES): Adjust for it.
6722 (REG_CLASS_CONTENTS): Likewise.
6723 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6724 (REG_CLASS_FROM_LETTER): Handle 'x'.
6725 (CLASS_MAX_NREGS): Handle FP_REGS.
6726 (MEMORY_MOVE_COST): Likewise.
6727 * config/ia64/ia64.md (itanium_class): Add fldp.
6728 (type): Handle fldp.
6729 (movti_internal): More allowable operand combinations. Use ldfp8 when
6730 splitting unnecessary. Remove predicable attribute. Adjust
6731 itanium_class attribute.
6732 (smuldi3_highpart): Remove outdated comment.
6733 (mulditi3, umulditi3, rotlti3): New expanders.
6734 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6735 (absti2): Disabled new insn for future reference.
6736 Respective new splitters.
6737 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6738 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6739 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6741 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
6743 PR rtl-optimization/23047
6744 * simplify-rtx.c (simplify_const_relational_operation): Respect
6745 flag_wrapv for comparisons with ABS.
6747 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
6749 PR tree-optimization/22493
6750 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6751 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6753 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
6755 * config/frv/frv.opt (moptimize-membar): New.
6757 * doc/invoke.texi: Document -moptimize-membar and its inverse.
6759 * config/frv/frv.h: Remove machine_function definition.
6761 * config/frv/frv.c (struct frv_io): New.
6762 (struct machine_function): Moved from frv.h. Add has_membar_p.
6763 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6764 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6765 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6766 (frv_optimize_membar_global, frv_optimize_membar): New functions.
6767 (frv_reorg): Call frv_optimize_membar when appropriate.
6768 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
6769 (frv_expand_builtin): Adjust calls accordingly.
6770 (frv_io_address_cookie): New function.
6771 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
6772 load or store rather than a special insn. Add ccnstant address and
6773 io-type operands to the membar.
6774 (frv_ifcvt_modify_tests): Unsign regno.
6775 (frv_ifcvt_modify_tests): Same.
6777 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
6778 UNSPEC_OPTIONAL_MEMBAR constant.
6779 (builtin_read_<mode>): Delete.
6780 (builtin_write_<mode>): Delete.
6781 ("optional_membar_<mode>"): Add operand.
6783 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
6784 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
6785 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
6786 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
6787 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
6788 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
6789 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
6790 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
6791 * testsuite/gcc.target/frv/all-read-write-1.c: New.
6793 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
6795 * df.c (df_uses_record): Handle SCRATCH.
6797 2005-07-28 Steven Bosscher <stevenb@suse.de>
6800 * passes.c (rest_of_decl_compilation): If decl is a type and
6801 we have encountered errors, don't emit debug information.
6803 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6805 * params.def: Fixed comment.
6807 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
6810 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6811 (TARGET_ASM_UNALIGNED_HI_OP): Add.
6812 (TARGET_ASM_UNALIGNED_SI_OP): Add.
6814 2005-07-27 Steven Bosscher <stevenb@suse.de>
6817 * varasm.c (assemble_start_function): Don't do anything that may
6818 require a CFG if the current function is a thunk.
6820 2005-07-25 Geoffrey Keating <geoffk@apple.com>
6822 * doc/install.texi (Prerequisites): Mention that perl is needed
6823 to do export control in libstdc++ targetting Darwin.
6825 2005-07-27 Steven Bosscher <stevenb@suse.de>
6827 PR rtl-optimization/17808
6828 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
6829 (sched_insns_conditions_mutex_p): Split out from...
6830 (add_dependence): ...here. But don't call it from here.
6831 (add_dependence_list): Check sched_insns_conditions_mutex_p
6832 before calling add_dependence.
6833 (add_dependence_list_and_free): Likewise.
6834 (fixup_sched_groups): Likewise.
6835 (sched_analyze_1): Likewise.
6836 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
6837 (sched_analyze): Likewise.
6838 (sched_analyze_insn): Likewise.
6839 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6840 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
6841 dependencies on all COND_EXEC insns to jumps ending basic blocks
6842 when doing intrablock scheduling.
6843 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
6845 2005-07-27 Jeff Law <law@redhat.com>
6847 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
6848 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
6849 equivalency sets, correctly handle the case were vr0 has an
6850 equivalency set, but vr1 does not.
6852 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
6854 PR tree-optimization/23073
6855 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
6856 vect_print_dump_info before fprintf.
6858 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6860 PR tree-optimize/22348
6861 * tree-ssa-loop-niter.c (number_of_iterations_cond):
6862 Fold the partial computation.
6864 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6866 PR tree-optimization/22325
6867 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
6869 * tree-scalar-evolution.c (scev_const_prop): Add generic final
6871 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
6872 (force_var_cost): ... this function.
6873 (compute_phi_arg_on_exit): Export.
6875 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6877 PR tree-optimization/20773
6878 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
6881 2005-07-27 Richard Guenther <rguenther@suse.de>
6883 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
6884 Avoid pushing again if current struct contains only
6885 fields we decomposed.
6887 2005-07-27 Jan Hubicka <jh@suse.cz>
6889 PR tree-optimization/22574
6890 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
6893 * tree-tailcall.c (decrease_profile): New function.
6894 (eliminate_tail_call): Use it.
6896 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
6897 visibility flags correctly in whole program mode.
6899 2005-07-26 Steve Ellcey <sje@cup.hp.com>
6901 PR rtl-optimization/22472
6902 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
6904 2005-07-26 Steven Bosscher <stevenb@suse.de>
6906 PR tree-optimization/22504
6907 * tree-complex.c (expand_complex_addition): Use 'code' instead
6908 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
6910 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6912 * config.gcc (cpu_type): Add frv case.
6913 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
6914 (supported_defaults): Add fr550 case.
6916 2005-07-26 Diego Novillo <dnovillo@redhat.com>
6919 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
6920 whether a pointer of type T * may point to objects of type T *.
6922 2005-07-26 DJ Delorie <dj@redhat.com>
6924 * configure: Regenerate.
6926 2005-07-26 Dale Johannesen <dalej@apple.com>
6928 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
6930 2005-07-26 Mark Mitchell <mark@codesourcery.com>
6932 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
6933 Clarify use of "build" in name.
6935 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6937 * doc/extend.texi (Raw read/write Functions): New section.
6938 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
6939 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
6940 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
6941 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
6942 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
6943 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
6944 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
6945 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
6946 * config/frv/frv.c: Add bdesc_loads global.
6947 Add bdesc_stores global.
6948 (frv_init_builtins): Add support for __builtin_{read/write}*.
6949 (frv_volatile_memref): New.
6950 (frv_expand_load_builtin): New.
6951 (frv_expand_store_builtin): New.
6952 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
6953 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
6954 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
6955 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
6956 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
6957 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
6958 (builtin_read_<mode>): New.
6959 (builtin_write_<mode>): New.
6960 (builtin_write64): New.
6961 (optional_membar_<mode>): New.
6963 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
6965 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
6966 (rather than units) against HOST_BITS_PER_WIDE_INT.
6968 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
6970 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
6971 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
6972 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
6973 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
6976 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
6977 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
6978 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
6980 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
6982 2005-07-26 Richard Guenther <rguenther@suse.de>
6984 PR tree-optimization/22486
6985 * fold-const.c (fold_unary): Fold away useless component
6986 references of the form (T *)&T.x, if the address
6989 2005-07-25 James E Wilson <wilson@specifixinc.com>
6991 * dwarf2out.c (add_call_src_coords_attributes): New.
6992 (gen_inlined_subroutine_die): Call it.
6993 (maybe_emit_file, init_file_table): Add comments.
6994 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6996 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6997 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6998 * tree.h (BLOCK_SOURCE_LOCATION): New.
6999 (struct tree_block): New field locus.
7001 2005-07-26 Andreas Schwab <schwab@suse.de>
7003 PR rtl-optimization/23043
7004 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7005 when allocating a struct unoccr.
7007 2005-07-25 Richard Henderson <rth@redhat.com>
7010 * tree-complex.c (gate_no_optimization): True if errors.
7011 * Makefile.in (tree-complex.o): Update dependencies.
7013 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7015 * config/frv/predicates.md (integer_register_operand): Use
7018 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7021 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7023 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7025 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7027 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7028 types when flag_unsafe_math_optimizations is true.
7030 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7032 * gcc.c (option_map): Add --sysroot.
7033 (process_command): Handle --sysroot.
7034 (display_help): Document it.
7035 * doc/cppopts.tex (-isysroot): Document.
7036 * doc/invoke.texi (--sysroot): Document.
7037 * doc/install.texi (--with-build-sysroot): Document.
7039 * Makefile.in (inhibit_libc): New variable.
7040 (INHIBIT_LIBC_CFLAGS): Likewise.
7041 (LIBGCC2_CFLAGS): Include
7042 $(INHIBIT_LIBC_CFLAGS).
7043 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7044 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7045 ($(T)crtend.o): Likewise.
7046 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7047 ($(T)crtendS.o): Likewise.
7048 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7049 ($(T)crtendT.o): Likewise.
7050 (stmp-fixinc): Do not complain about missing headers if
7052 * configure.ac (inhibit_libc): Set it to true/false.
7053 (--with-build-sysroot): New option. Use it to set
7055 * configure: Regenerated.
7057 2005-07-25 Manfred Hollstein <mh@suse.com>
7059 * calls.c (store_one_arg): Fix unsigned comparison warning.
7061 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7064 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7065 (ggc_print_statistics): Initialize variable before use.
7067 2005-07-25 Richard Guenther <rguenther@suse.de>
7069 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7070 calling with a PHI_NODE argument.
7072 * tree-flow-inline.h (overlap_subvar): Protect against
7075 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7077 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7078 * configure: Regenerate.
7080 2005-07-25 Ira Rosen <irar@il.ibm.com>
7082 * expr.c (highest_pow2_factor): Make extern.
7083 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7084 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7085 record_array_differ_p, array_ptr_differ_p): Likewise.
7086 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7087 additional cases. Call the above functions.
7088 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7089 base_object_differ_p when there are two base objects. Otherwise, compare
7090 base address and offset. Call may_alias_p.
7091 (dump_data_reference): Use a correct field name.
7092 (analyze_array): Make static. Initialize new data-ref fields.
7093 (analyze_indirect_ref): New function.
7094 (init_data_ref): Initialize new data-ref fields.
7095 (strip_conversion): Moved from tree-vect-analyze.c.
7096 (analyze_offset_expr, get_ptr_offset, address_analysis,
7097 object_analysis): Likewise.
7098 (analyze_offset): New function.
7099 (create_data_ref): Likewise.
7100 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7101 dimensions for ARRAY_REFs only.
7102 (build_classic_dist_vector): Make static.
7103 (access_functions_are_affine_or_constant_p): Call macro to get the
7104 address of access functions.
7105 (compute_all_dependences): Add new parameter
7106 compute_self_and_read_read_dependences. Compute self and read-read
7107 dependences if it is true.
7108 (find_data_references_in_loop): Call create_data_ref. Initialize new
7110 (compute_data_dependences_for_loop): Add new parameter
7111 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7112 compute nb_loops. Call compute_all_dependences,
7113 build_classic_dist_vector and build_classic_dir_vector with correct
7115 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7116 with correct parameters. Compare dimensions for ARRAY_REFs only.
7117 (free_data_refs): Call macro to free access functions.
7118 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7119 fields from stmt_vinfo.
7120 (struct base_object_info): New structure.
7121 (struct data_reference): Move fields to base_object_info. Add fields
7122 first_location and object_info for above structures. Move fields from
7123 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7124 aligned_to. Add macros to access the new fields.
7125 Update functions declarations.
7126 * tree-flow.h (is_aliased_with): Declare.
7127 * tree-loop-linear.c (linear_transform_loops): Call
7128 compute_data_dependences_for_loop with correct parameters.
7129 * tree-ssa-alias.c (is_aliased_with): New function.
7130 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7131 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7132 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7133 vect_base_addr_differ_p, compute_subscript_distance and
7134 build_classic_dist_vector. Add printings. Check absolute value of
7136 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7138 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7139 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7140 to bytes. Add printing.
7141 (vect_compute_data_refs_alignment): Go through loads and stores in one
7143 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7144 vect_analyze_data_ref_access): Likewise.
7145 (vect_analyze_pointer_ref_access): Remove.
7146 (vect_address_analysis, vect_object_analysis): Likewise.
7147 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7148 and analyze data-refs in the loop.
7149 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7150 fields of data-ref instead of stmt. Add init to the offset from the
7152 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7153 (vect_update_init_of_dr): Likewise.
7154 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7155 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7157 (new_loop_vec_info): Initialize new fields.
7158 (destroy_loop_vec_info): Free new fields.
7159 (vect_strip_conversion): Remove.
7160 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7161 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7162 datarefs. Add new field ddrs.
7163 Add macros for the new fields access.
7164 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7165 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7166 Remove their macros.
7167 * tree.h (highest_pow2_factor): Declare.
7169 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7171 * calls.c (store_one_arg): Check for sibling call MEM arguments
7172 from already clobbered incoming argument area.
7174 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7176 * c-common.c (check_missing_format_attribute): New.
7177 * c-common.h (check_missing_format_attribute): Likewise.
7178 * c-typeck.c (convert_for_assignment): Use it.
7180 2005-07-24 Andreas Schwab <schwab@suse.de>
7182 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7183 register use a word move. Correct operand of ext.w in 68000 code.
7185 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7187 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7188 variables as declarations, rather than definitions.
7190 2005-07-24 Ira Rosen <irar@il.ibm.com>
7192 PR tree-optimization/22526
7193 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7196 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7198 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7199 that C99 reserve for future use. Use it to define clog10,
7200 clog10f and clog10l.
7202 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7204 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7205 * configure.ac: Check for -Wmissing-format-attribute.
7207 * configure: Regenerate.
7209 2005-07-23 Richard Henderson <rth@redhat.com>
7211 PR tree-optimization/22623
7212 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7214 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7217 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7219 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7221 * Makefile.in (C_TREE_H): Update dependencies.
7222 * c-tree.h: Include toplev.h.
7223 * diagnostic.h (diagnostic_set_info): Add format attribute.
7224 * rtl-error.c (diagnostic_for_asm): Likewise.
7226 2005-07-23 Chao-ying Fu <fu@mips.com>
7228 * config/mips/mips-dsp.md: New file.
7229 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7230 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7232 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7233 MIPS_BUILTIN_BPOSGE32.
7234 (mips_expand_builtin_direct): Add one parameter to indicate that
7235 builtin functions need to return a value.
7236 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7238 (mips_regno_to_class): Add classes for 12 new DSP registers.
7239 (mips_subword): Change to check four HI registers.
7240 (mips_output_move): Output move to and from 6 new DSP accumulators.
7241 (override_options): Make sure -mdsp and -mips16 are not used together.
7242 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7244 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7246 (print_operand): Add 'q' for printing DSP accumulators.
7247 (mips_cannot_change_mode_class): Check ACC_REGS.
7248 (mips_secondary_reload_class): Check ACC_REGS.
7249 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7250 (mips_register_move_cost): Check ACC_REGS.
7251 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7252 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7253 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7254 (dsp_bdesc): New array.
7255 (bdesc_arrays): Add DSP builtin function table.
7256 (mips_prepare_builtin_arg): Check predicate again after
7258 (mips_expand_builtin): Add one more parameter to
7259 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7260 MIPS_BUILTIN_BPOSGE32.
7261 (mips_init_builtins): Initialize new function types.
7262 (mips_expand_builtin_direct): Check if builtin functions need to
7263 return a value and pass operands properly.
7264 (mips_expand_builtin_bposge): New function.
7265 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7266 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7267 (FIRST_PSEUDO_REGISTER): Increase to 188.
7268 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7269 Update for 12 new DSP registers.
7270 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7271 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7272 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7273 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7274 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7275 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7276 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7277 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7278 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7279 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7280 (REGISTER_NAMES): Add names for 12 new DSP registers.
7281 * config/mips/mips.md: Include mips-dsp.md.
7282 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7283 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7284 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7285 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7286 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7287 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7288 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7289 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7290 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7291 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7292 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7293 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7294 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7295 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7296 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7297 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7298 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7299 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7300 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7301 (UNSPEC_RDDSP): New constants.
7302 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7303 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
7305 * config/mips/mips.opt (-mdsp): New option.
7306 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7307 (reg_imm10_operand): New predicates.
7308 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7309 * doc/invoke.texi (-mdsp): Document new option.
7311 2005-07-22 DJ Delorie <dj@redhat.com>
7313 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7315 * tree-inline.c (inlinable_function_p): Likewise.
7317 2005-07-22 Mark Mitchell <mark@codesourcery.com>
7320 * toplev.c (check_global_declarations): Do not mark undefined
7321 variables as DECL_IGNORED_P.
7322 * varasm.c (first_global_object_name): GTY it.
7323 (weak_global_object_name): Likewise.
7324 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7325 a string to go into {weak,first}_global_object_name.
7327 2005-07-22 DJ Delorie <dj@redhat.com>
7329 * c-format.c (check_function_format): Change warning control
7330 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7332 2005-07-22 Diego Novillo <dnovillo@redhat.com>
7334 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7335 &PTR->FLD a dereference of PTR.
7336 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7337 a potential dereference of PTR.
7339 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7341 PR rtl-optimization/20370
7342 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7343 call allocate_reg_info if necessary.
7345 PR rtl-optimization/21848
7346 * calls.c (emit_library_call_value_1): For const functions, add
7347 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7349 PR rtl-optimization/22445
7350 * cselib.c (target.h): Include.
7351 (rtx_equal_for_cselib_p): Allow commutative matches.
7352 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7353 Remove MODE parameter. Changed all callers.
7355 PR rtl-optimization/22258
7356 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7358 (try_combine): Use likely_spilled_retval_p.
7360 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7362 * config.gcc: Add crx-elf support.
7364 * doc/contrib.texi: Mention crx.
7365 * doc/extend.texi: Document crx extensions.
7366 * doc/install.texi: Document crx install.
7367 * doc/invoke.texi: Document crx options.
7368 * doc/md.texi: Document crx constraints.
7370 * config/crx/crx-protos.h: New file.
7371 * config/crx/crx.c: New file.
7372 * config/crx/crx.h: New file.
7373 * config/crx/crx.md: New file.
7374 * config/crx/crx.opt: New file.
7375 * config/crx/t-crx: New file.
7377 2005-07-22 Manfred Hollstein <mh@suse.com>
7379 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7381 (int_add_graph_edge): Likewise.
7382 (collapse_nodes): Likewise.
7383 (process_unification_queue): Likewise.
7385 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7386 Laurent GUERBY <laurent@guerby.net>
7388 PR tree-optimization/22336
7389 * function.c (record_block_change): Check for
7390 cfun->ib_boundaries_block.
7392 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7394 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7395 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7397 2005-07-21 DJ Delorie <dj@redhat.com>
7399 * toplev.c (warn_deprecated_use): Add warning control to warning
7401 * c-typeck.c (parser_build_binary_op): Likewise.
7402 (c_finish_if_stmt): Likewise.
7403 * c-common.c (check_function_sentinel): Likewise.
7404 (check_nonnull_arg): Likewise.
7406 2005-07-21 Richard Henderson <rth@redhat.com>
7409 * tree-complex.c (complex_ssa_name_components): New.
7410 (cvc_lookup): Allow entry not found.
7411 (create_components): Remove.
7412 (create_one_component_var, get_component_var): New.
7413 (get_component_ssa_name, set_component_ssa_name): New.
7414 (extract_component): Use get_component_ssa_name.
7415 (update_complex_components): Use set_component_ssa_name.
7416 (update_complex_components_on_edge): Likewise.
7417 (update_phi_components): Create new PHI nodes directly, instead
7418 of adding insns to edges.
7419 (tree_lower_complex): Allocate and free complex_variable_components
7420 and complex_ssa_name_components here.
7422 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
7424 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7425 revert to returning false.
7427 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7430 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7432 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7435 * config/i386/i386.md (cmpxf): Change operand constraints
7436 to "nonmemory_operand".
7438 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7440 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7442 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7445 * fold-const.c (fold_build1): Add checksum for the operands.
7446 (fold_build2): Likewise.
7447 (fold_build3): Likewise.
7449 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7452 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7454 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7456 * common.opt (-fforward-propagate): Committed by mistake,
7459 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7461 * reg-stack.c: Fix comment typo(s).
7462 * tree-ssa-operands.c: Likewise.
7463 * tree-vectorizer: Likewise.
7465 2005-07-21 Nick Clifton <nickc@redhat.com>
7467 * config/sh/symbian.c: Replace C++ style line comments with C
7468 style line comments.
7469 (symbian_add_attribute): Do not use a ? operator on the LHS of
7471 (sh_symbian_handle_dll_attribute): Change the type of the
7472 method vector to "VEC(tree,gc)*" and use vector accessor
7473 macros to walk over the elements.
7474 (symbian_export_vtable_and_rtti_p): Likewise.
7475 (symbian_class_needs_attribute_p): Likewise.
7477 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7480 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7481 initialize targetm.resolve_overloaded_builtin here.
7482 (altivec_expand_overloaded_builtin): Make it non-static.
7483 * config/rs6000/rs6000-protos.h
7484 (altivec_expand_overloaded_builtin): New prototype.
7485 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7486 targetm.resolve_overloaded_builtin here.
7487 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7489 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7490 Zdenek Dvorak <dvorakz@suse.cz>
7492 PR tree-optimization/19210
7493 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7495 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7496 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7497 rely on unproven assumptions.
7498 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7499 * tree-flow.h (number_of_iterations_exit): Add final parameter.
7500 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7501 to number_of_iterations_exit.
7502 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7503 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7504 * tree-ssa-loop-niter.c (find_loop_niter,
7505 estimate_numbers_of_iterations_loop): Likewise.
7506 (number_of_iterations_exit): Honor the new options.
7507 * doc/invoke.texi (Wunsafe-loop-optimizations,
7508 funsafe-loop-optimizations): Document them.
7510 2005-07-21 Richard Sandiford <richard@codesourcery.com>
7512 PR rtl-optimization/22167
7513 * gcse.c (hoist_code): Fix hoist_exprs[] check.
7515 2005-07-20 Adam Nemet <anemet@lnxw.com>
7517 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7518 __do_global_dtors_aux longcall.
7520 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
7522 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7523 (old_special_pred_table): Don't reference
7524 SPECIAL_MODE_PREDICATES.
7525 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7526 * config/arc/arc.h: Don't mention PREDICATE_CODES.
7527 * config/sh/predicates.h: Don't mention
7528 SPECIAL_MODE_PREDICATES.
7529 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7532 2005-07-20 DJ Delorie <dj@redhat.com>
7534 * config.gcc: Add m32c-elf support.
7536 * doc/contrib.texi: Mention m32c.
7537 * doc/extend.texi: Document m32c extensions.
7538 * doc/install.texi: Mention m32c.
7539 * doc/invoke.texi: Document m32c options.
7540 * doc/md.texi: Document m32c constraints.
7542 * config/m32c/addsub.md: New file.
7543 * config/m32c/bitops.md: New file.
7544 * config/m32c/cond.md: New file.
7545 * config/m32c/jump.md: New file.
7546 * config/m32c/m32c-lib1.S: New file.
7547 * config/m32c/m32c-lib2.c: New file.
7548 * config/m32c/m32c-modes.def: New file.
7549 * config/m32c/m32c-pragma.c: New file.
7550 * config/m32c/m32c-protos.h: New file.
7551 * config/m32c/m32c.abi: New file.
7552 * config/m32c/m32c.c: New file.
7553 * config/m32c/m32c.h: New file.
7554 * config/m32c/m32c.md: New file.
7555 * config/m32c/m32c.opt: New file.
7556 * config/m32c/minmax.md: New file.
7557 * config/m32c/mov.md: New file.
7558 * config/m32c/muldiv.md: New file.
7559 * config/m32c/predicates.md: New file.
7560 * config/m32c/prologue.md: New file.
7561 * config/m32c/shift.md: New file.
7562 * config/m32c/t-m32c: New file.
7564 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7566 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7567 (stack_protect_set, stack_protect_test): New expanders.
7568 (stack_protect_set_si, stack_protect_set_si_media,
7569 stack_protect_set_di_media, stack_protect_test_si,
7570 stack_protect_test_si_media, stack_protect_test_di_media):
7573 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
7575 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7577 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
7579 * tree.h (tree_expr_nonzero_p): Export.
7580 * fold-const.c (tree_expr_nonzero_p): Likewise.
7581 Return true for CALL_EXPRs that are alloca calls.
7582 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7584 * tree-flow.h (expr_computes_nonzero): Remove.
7585 * tree-vrp.c (expr_computes_nonzero): Remove.
7586 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7587 (extract_range_from_unary_expr): Likewise.
7588 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7589 tree_expr_nonzero_p.
7591 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
7593 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7594 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
7595 extra arg "picreg" and use it instead of pic_offset_table_rtx.
7596 All callers changed.
7597 (frame_related_constant_load): New arg "related" which controls
7598 setting of RTX_FRAME_RELATED_P. All callers changed.
7599 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7600 (bfin_expand_prologue): Add stack limit checking.
7601 * config/bfin/bfin.md (trapifcc): New pattern.
7603 * config/bfin/bfin.c: Include "langhooks.h".
7604 (def_builtin): Go through lang_hooks to call builtin_function.
7606 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7607 * config/bfin/predicates.md (symbol_ref_operand): New.
7608 (call_insn_operand): Delete. All callers changed to use
7609 register_no_elim_operand.
7610 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7612 (function_arg): Use it to generate the call's operand 2.
7613 (bfin_longcall_p): New function.
7614 (bfin_expand_call): Extra arg "cookie". All callers and declaration
7615 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
7616 determine if the address needs to be in a REG.
7617 (bfin_handle_longcall_attribute): New function.
7618 (bfin_attribute_table): Add "longcall" and "shortcall".
7619 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7620 (CUMULATIVE_ARGS): New member call_cookie.
7621 (PREDICATE_CODES): Add symbol_ref_operand.
7622 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7623 extra USE to the pattern.
7624 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7625 New patterns, split off call_insn, sibcall_insn, call_value_insn and
7626 sibcall_value_insn; now the new patterns handle direct calls and the
7627 old ones indirect calls.
7628 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7630 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
7632 * doc/trouble.texi: Update section on handling of empty loops.
7634 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
7636 * config.gcc: Remove support for sparc-*-openbsd*,
7637 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7639 * config.host: Remove support for i860-*-sysv4* as a host.
7640 * config/i860/*, config/ip2k/*, config/ns32k/*,
7641 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7642 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7643 mention obsolete ports.
7645 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7647 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7649 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7650 of frame_pointer_rtx.
7651 (sh_expand_epilogue): Likewise.
7652 (sh_set_return_address): Likewise.
7653 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7654 instead of FRAME_POINTER_REGNUM if needed. Add elimination
7655 offsets from FRAME_POINTER_REGNUM.
7656 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7657 (sh_register_names): Add initializer for sfp.
7658 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7659 (VALID_REGISTER_P): Likewise.
7660 (FIRST_PSEUDO_REGISTER): Update.
7661 (DWARF_FRAME_REGISTERS): Define.
7662 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7663 (HARD_FRAME_POINTER_REGNUM): Define.
7664 (FRAME_POINTER_REGNUM): Redefine.
7665 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7666 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
7667 from FRAME_POINTER_REGNUM.
7668 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7669 FRAME_POINTER_REGNUM.
7670 (REG_CLASS_CONTENTS): Add sfp.
7671 (REG_ALLOC_ORDER): Likewise.
7672 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
7673 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7674 of frame_pointer_rtx.
7675 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7677 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
7679 * fold-const.c (tree_expr_nonnegative_p): Only return true for
7680 ABS_EXPR when flag_wrapv is false because of INT_MIN.
7681 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7683 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7686 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
7688 Make CONSTRUCTOR use VEC to store initializers.
7689 * c-common.c (complete_array_type): Update to cope with VEC in
7691 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7692 (pp_c_constructor_elts): New function.
7693 * c-pretty-print.h (pp_c_constructor_elts): Declare.
7694 * c-typeck.c (build_function_call, build_c_cast, digest_init,
7695 struct constructor_stack, struct initializer_stack,
7696 constructor_elements, push_init_level, pop_init_level,
7697 add_pending_init, find_init_member, output_init_element): Update to
7698 cope with VEC in CONSTRUCTOR_ELTS.
7699 * coverage.c (build_fn_info_value, build_ctr_info_value,
7700 build_gcov_info): Likewise.
7701 * expr.c (categorize_ctor_elements_1, store_constructor,
7702 expand_expr_real_1): Likewise.
7703 * fold-const.c (fold_ternary): Likewise.
7704 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7705 gimplify_init_constructor, gimplify_expr): Likewise.
7706 * tree-dump.c (dequeue_and_dump): Likewise.
7707 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7709 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7711 * tree-sra.c (generate_element_init_1): Likewise.
7712 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7713 * tree-ssa-operands.c (get_expr_operands): Likewise.
7714 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7715 * tree-vect-transform.c (vect_get_vec_def_for_operand):
7716 (get_initial_def_for_reduction): Likewise.
7717 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7718 value handle in annotations.
7719 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7720 tree_node_structure): Add support for constr_kind.
7721 (build_vector_from_ctor, build_constructor_single,
7722 build_constructor_from_list): New functions.
7723 (build_constructor): Update to take a VEC instead of a TREE_LIST.
7724 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7725 Update to cope with VEC in CONSTRUCTOR_ELTS.
7726 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7727 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7728 CONSTRUCTOR_APPEND_ELT): New macros.
7729 (struct constructor_elt, struct tree_constructor): New data types.
7730 (union tree_node): Add tree_constructor field.
7731 * treestruct.def: Define TS_CONSTRUCTOR.
7732 * varasm.c (const_hash_1, compare_constant, copy_constant,
7733 compute_reloc_for_constant, output_addressed_constants,
7734 initializer_constant_valid_p, output_constant,
7735 array_size_for_constructor, output_constructor): Update to cope with
7736 VEC in CONSTRUCTOR_ELTS.
7737 * vec.h (VEC_empty, VEC_copy): New macros.
7739 2005-07-19 Devang Patel <dpatel@apple.com>
7741 * dbxout.c (dbxout_type): Check Objective-C++ lang.
7743 2005-07-19 Richard Henderson <rth@redhat.com>
7746 * gimplify.c (gimplify_expr): Use main variant type for the temp
7747 destination for a discarded volatile read.
7748 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7749 casts between non-void types that change volatility.
7751 2005-07-15 DJ Delorie <dj@redhat.com>
7753 * toplev.h: Add comment about the first parameter for warning().
7754 * errors.h: Likewise.
7756 * c.opt (Wpragmas): New.
7757 * doc/invoke.texi: Document it.
7759 * function.c (do_warn_unused_parameter): Add warning control to
7761 * c-decl.c (warn_if_shadowing): Likewise.
7762 * c-lex.c (cb_def_pragma): Likewise.
7763 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7764 (pop_alignment): Likewise.
7765 (handle_pragma_pack): Likewise.
7766 (apply_pragma_weak): Likewise.
7767 (handle_pragma_weak): Likewise.
7768 (handle_pragma_redefine_extname): Likewise.
7769 (add_to_renaming_pragma_list): Likewise.
7770 (handle_pragma_extern_prefix): Likewise.
7771 (maybe_apply_renaming_pragma): Likewise.
7772 (handle_pragma_visibility): Likewise.
7774 * config/c4x/c4x-c.c (BAD): Likewise.
7775 (c4x_parse_pragma): Likewise.
7776 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
7777 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
7778 (rs6000_pragma_longcall): Likewise.
7779 * config/v850/v850-c.c (pop_data_area): Likewise.
7780 (ghs_pragma_section): Likewise.
7781 (ghs_pragma_section): Likewise.
7782 (ghs_pragma_interrupt): Likewise.
7783 (ghs_pragma_starttda): Likewise.
7784 (ghs_pragma_startsda): Likewise.
7785 (ghs_pragma_startzda): Likewise.
7786 (ghs_pragma_endtda): Likewise.
7787 (ghs_pragma_endsda): Likewise.
7788 (ghs_pragma_endzda): Likewise.
7790 2005-07-19 Danny Berlin <dberlin@dberlin.org>
7791 Kenneth Zadeck <zadeck@naturalbridge.com>
7793 * Makefile.in: Removed tree-promote-statics.c
7794 * tree-promote-statics.c: Removed.
7795 * common.opt: Removed flag-promote-statics.
7797 * passes.c: Removed tree-promote-statics pass.
7798 * tree-pass.h: Ditto.
7799 * timevar.def: Removed TV_PROMOTE_STATICS.
7802 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
7804 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
7806 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
7808 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7811 * c-common.c (check_function_arguments): Call
7812 'check_function_format' if either -Wformat or
7813 -Wmissing-format-attribute are specified.
7814 * c-format.c (check_function_format): Check -Wformat before
7815 calling 'check_format_info'.
7816 * c-opts.c (c_common_post_options): Don't warn for
7817 -Wmissing-format-attribute without -Wformat.
7818 * c-typeck.c (convert_for_assignment): Detect additional cases for
7819 -Wmissing-format-attribute.
7820 * doc/invoke.texi (-Wmissing-format-attribute): Document new
7823 2005-07-19 Richard Guenther <rguenther@suse.de>
7825 * config/i386/i386.md (lrint<mode>2): Use temporary
7826 instead of clobbering non-existent memory.
7828 2005-07-19 Nick Clifton <nickc@redhat.com>
7830 * config/avr/avr.c (legitimate_address_p): Fix debugging print
7831 statement to avoid displaying ASCII control characters.
7833 2005-07-19 Ben Elliston <bje@au.ibm.com>
7835 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
7836 * cfganal.c (find_edge_index): Ditto.
7837 * combine.c (combine_instructions): Ditto.
7838 * ddg.c (create_scc): Ditto.
7839 (find_successors): Ditto.
7840 (find_predecessors): Ditto.
7841 (find_nodes_on_paths): Ditto.
7842 (longest_simple_path): Ditto.
7843 * flow.c (update_life_info): Ditto.
7844 (count_or_remove_death_notes): Ditto.
7845 (clear_log_links): Ditto.
7846 * modulo-sched.c (generate_reg_moves): Ditto.
7847 (find_max_asap): Ditto.
7848 (find_max_hv_min_mob): Ditto.
7849 (find_max_dv_min_mob): Ditto.
7850 * sbitmap.c (sbitmap_first_set_bit): Ditto.
7851 * sched-rgn.c (extract_edgelst): Ditto.
7852 * tree-into-ssa.c (prepare_names_to_update): Ditto.
7853 (dump_update_ssa): Ditto.
7854 (ssa_names_to_replace) Ditto.
7855 (switch_virtuals_to_full_rewrite): Ditto.
7856 (update_ssa): Ditto.
7857 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
7859 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
7861 Fix PR tree-optimization/22483
7863 * tree-complex.c (create_components): Use
7864 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
7865 * tree-flow-inline.h (fill_referenced_var_vec): New function.
7866 * tree-flow.h (safe_referenced_var_iterator): New structure.
7867 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
7868 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
7869 safe_referenced_var iterator.
7870 (add_type_alias): Ditto.
7872 2005-07-19 Steven Bosscher <stevenb@suse.de>
7874 * loop-init.c (rest_of_handle_loop2): Remove.
7875 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
7876 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
7877 (pass_rtl_loop_init, pass_rtl_loop_done,
7878 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
7879 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
7880 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
7881 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
7882 pass_tree_loop_done, and pass_tree_unswitch.
7883 (gate_loop): Rename to gate_tree_loop.
7884 * passes.c (init_optimization_passes): Update for renamed tree
7885 loop passes. Add the new loop2 passes as subpasses of loop2.
7886 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
7887 Update for the renamed tree loop passes.
7889 2005-07-18 Ian Lance Taylor <ian@airs.com>
7892 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
7893 blocks when optimizing.
7895 2005-07-18 Steve Ellcey <sje@cup.hp.com>
7897 * common.opt (frename-registers): Initialize to 2.
7899 (fgcse-after-reload): Ditto.
7900 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
7901 (process_options): Only change flag_web, flag_rename_registers,
7902 and flag_rerun_cse_after_loop if not explicitly set by user.
7904 2005-07-18 Jan Beulich <jbeulich@novell.com>
7906 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
7907 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
7908 in 64-bit mode the same as DImode in 32-bit mode.
7909 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
7910 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
7911 mode. Add new mode parameter.
7912 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
7913 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
7914 x86_64_shift_adj): New expanders.
7915 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
7916 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
7918 Respective new splitters. Use renamed shift splitter helpers in 32-bit
7919 DImode shift splitters.
7920 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
7921 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
7924 2005-07-18 Jan Beulich <jbeulich@novell.com>
7926 * i386.md (movdi_extzv_1): New.
7927 (zero_extendhidi2): Combine alternatives and never force use of
7929 (zero_extendqidi2): Likewise. Don't restrict input selection.
7931 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7933 Fix PR tree-optimization/22531
7934 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
7937 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7939 * tree-promote-statics.c (pass_promote_statics): Change dump file
7942 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7944 * tree-optimize.c (init_tree_optimization_passes): Add
7945 pass_eliminate_useless_stores pass.
7946 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
7947 * tree-ssa-pre.c (is_copy_stmt): New function.
7948 (follow_copies_till_vuse): Ditto.
7949 (do_eustores): Ditto.
7950 (gate_eustores): Ditto.
7952 2005-07-16 Richard Henderson <rth@redhat.com>
7954 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
7956 2005-07-16 Danny Berlin <dberlin@dberlin.org>
7957 Kenneth Zadeck <zadeck@naturalbridge.com>
7959 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
7960 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
7961 ipa-type-escape.h, tree-promote-statics.c
7962 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
7963 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
7964 tree-promote-statics.c: new files.
7965 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
7966 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
7967 int nonlocal_set_p, mark_constant_function): Deleted.
7968 (rest_of_handle_cfg): Removed call to mark_constant_function.
7969 (nonoverlapping_component_refs_p): Added calls to support
7970 type based aliasing.
7971 * tree-ssa-alias.c (may_alias_p,
7972 compute_flow_insensitive_aliasing): Ditto.
7973 * calls.c (flags_from_decl_or_type): Removed reference to
7975 * c-typeck.c (convert_arguments): Make builtins tolerant of having
7976 too many arguments. This is necessary for Spec 2000.
7977 * cgraph.h (const_function, pure_function): Removed.
7978 * common.opt: Added "fipa-pure-const", "fipa-reference",
7979 "fipa-type-escape", and "ftree-promote-static".
7981 * passes.c: Added ipa and tree-promote-statics passes.
7982 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
7983 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
7984 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
7985 * tree-flow.h: Added exposed sra calls and addition of
7986 reference_vars_info field for FUNCTION_DECLS.
7987 * tree-pass.h: Added passes.
7988 * tree-sra.c: (sra_init_cache): New function.
7989 (sra_insert_before, sra_insert_after) Made public.
7990 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
7992 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7993 aliasing. (may_alias_p): Added code to use type escape analysis to
7995 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7996 code to prune clobbers of static variables based on information
7997 produced in ipa-reference pass. Changed call clobbering so that
7998 statics are not marked as clobbered if the call does not clobber
8001 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8003 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8006 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8008 * doc/install.texi (*-*-solaris2*): Document recommended version
8009 of GNU binutils and mention GNU linker problem on Solaris 10.
8011 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8014 * c-decl.c (c_build_bitfield_integer_type): New function.
8015 (finish_struct): Call it.
8016 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8018 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8020 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8023 2005-07-16 Jan Hubicka <jh@suse.cz>
8025 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8026 (scale_bbs_frequencies_int): Watch roundoff errors.
8027 * predict.c (return_prediction): Initialize return_stmt.
8029 2005-07-16 Jan Hubicka <jh@suse.cz>
8031 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8032 after RTL profiling.
8034 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8037 * fold-const.c (build_range_check): Convert high/low to etype
8038 if we are only comparing against exp.
8040 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8042 Fix PR tree-optimization/22376
8043 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8045 (need_to_solve): New function.
8046 (compute_points_to_sets): Use it.
8048 2005-07-15 Jan Hubicka <jh@suse.cz>
8050 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8051 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8053 2005-07-15 Richard Guenther <rguenther@suse.de>
8055 * c-common.c (handle_flatten_attribute): New function.
8056 Add flatten function attribute.
8057 * doc/extend.texi: Document flatten function attribute.
8058 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8059 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8061 (cgraph_decide_inlining): Handle functions with flatten
8064 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8066 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8067 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8068 UNSPEC_XCHG, UNSPEC_AND): New.
8069 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8070 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8071 * config/rs6000/sync.md (FETCHOP): New code macro.
8072 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8074 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8075 (sync_compare_and_swap<mode>): Same.
8076 (sync_lock_test_and_set<mode>): Same.
8077 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8078 for QImode and HImode, and not PPC405.
8079 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8080 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8081 (sync_<fetchop>{si,di}_internal): New.
8082 (sync_nand{si,di}_internal): New.
8083 (sync_old_<fetchop>{si,di}_internal): New.
8084 (sync_old_nand{si,di}_internal): New
8085 (sync_new_<fetchop>{si,di}_internal): New.
8086 (sync_new_nand{si,di}_internal): New.
8087 (atomic_and{si,di}): New.
8088 (sync_new_nand{si,di}_internal): New.
8089 (atomic_and{si,di}): New.
8090 (sync_add<mode>_internal): Delete.
8091 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8092 (sync_sub<mode>_internal): Delte.
8093 (sync_subshort_internal): New.
8094 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8095 (sync_anddi_internal): Delete.
8096 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8097 (sync_booldi_internal): Delete.
8098 (sync_boolc<mode>_internal): Delete.
8099 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8100 (sync_boolc<mode>_internal2): Delete.
8101 (sync_boolcc<mode>_internal): Delete.
8102 (isync, lwsync): Use unspec instead of unspec_volatile.
8103 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8104 Revert UNSPEC_VOLATILE.
8105 (rs6000_split_atomic_op): New.
8106 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8108 2005-07-14 Eric Christopher <echristo@redhat.com>
8110 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8111 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8113 2005-07-14 Eric Christopher <echristo@redhat.com>
8115 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8117 2005-07-14 Steven Bosscher <stevenb@suse.de>
8119 PR tree-optimization/22230
8120 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8121 the computation of the four cross productions for "range op range".
8123 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8124 Ulrich Weigand <uweigand@de.ibm.com>
8127 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8130 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8132 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8134 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8136 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8138 2005-07-14 Richard Guenther <rguenther@suse.de>
8141 * config/i386/i386-protos.h (ix86_function_value): Change
8142 prototype to match new target hook.
8143 * config/i386/i386.c (ix86_value_regno): Change prototype
8144 to take extra type argument.
8145 (TARGET_FUNCTION_VALUE): Define.
8146 (ix86_function_ok_for_sibcall): Pass extra argument to
8147 ix86_value_regno, check return slot rtx for exact match.
8148 (ix86_function_value): Take extra parameter. Dispatch to
8149 ix86_value_regno with fndecl/fntype as provided.
8150 (ix86_value_regno): Handle extra type argument.
8151 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8153 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8154 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8155 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8156 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8157 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8159 2005-07-14 Richard Guenther <rguenther@suse.de>
8161 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8162 * calls.c (expand_call): Pass fntype to hard_function_value.
8163 (emit_library_call_value_1): Likewise.
8164 * explow.c: Include target.h.
8165 (hard_function_value): Take extra argument, the fntype.
8166 Use new target hook for function_value.
8167 * expr.h (hard_function_value): Change prototype.
8168 * function.c (aggregate_value_p): Pass 0 as fntype to
8169 hard_function_value.
8170 (assign_parms): Use new target hook for function_value.
8171 Pass 0 as fntype to hard_function_value.
8172 (expand_function_end): Likewise.
8173 * reg-stack.c: Include target.h.
8174 (stack_result): Use new target hook for function_value.
8175 * target-def.h: New target hook function_value.
8176 * target.h: Likewise.
8177 * targhooks.c (default_function_value): New function.
8178 * targhooks.h (default_function_value): Declare.
8180 2005-07-13 Ian Lance Taylor <ian@airs.com>
8182 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8184 2005-07-14 Jan Hubicka <jh@suse.cz>
8186 * tree-dfa.c (dump_variable): Use default_def function.
8187 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8188 * tree-ssa.c (verify_use): Likewise.
8189 * tree-ssanames.c (release_ssa_name): Likewise.
8190 * tree-tailcall.c (eliminate_tail_call): Likewise.
8191 (tree_optimize_tail_calls_1): Likewise.
8192 * tree-vrp.c (get_value_range): Likewise.
8194 2005-07-14 Ben Elliston <bje@au.ibm.com>
8196 * gcc.c (main): Compare language[0] with '*' when iterating over
8199 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8201 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8202 "s390_emit_compare". Add handling of CCZ1mode.
8203 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8204 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8206 (s390_branch_condition_mask): Add CCZ1mode handling.
8207 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8208 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8209 Use CCZ1mode instead of CCZmode.
8210 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8212 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8214 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8216 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8218 2005-07-13 Eric Christopher <echristo@redhat.com>
8220 * config/mips/mips.c (mips_canonicalize_comparison): New.
8221 (mips_emit_int_relational): Use.
8223 2005-07-13 Eric Christopher <echristo@redhat.com>
8225 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8227 * config/s390/s390.md: Include tpf.md. Move tpf specific
8229 * config/s390/tpf.md: To here.
8230 * config/s390/s390.opt: Move tpf specific options...
8231 * config/s390/tpf.opt: to here. Add mmain option.
8232 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8233 * config/s390/tpf.h: Rewrite.
8235 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8237 * doc/tm.texi: Remove @xref{Cross-profiling}.
8239 2005-07-13 Jeff Law <law@redhat.com>
8241 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8242 expressions, test their _DECL operands for pointer equality rather
8243 than using operand_equal_p.
8245 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8247 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8248 (TARGET_POSIX_IO): This.
8249 * config/darwin.h: Likewise.
8250 * config/freebsd.h: Likewise.
8251 * config/linux.h: Likewise.
8252 * config/lynx.h: Likewise.
8253 * config/netbsd.h: Likewise.
8254 * config/rs6000/linux64.h: Likewise.
8255 * config/rs6000/linux.h: Likewise.
8256 * config/s390/tpf.h: Likewise.
8257 * config/sh/embed-elf.h: Likewise.
8258 * config/sparc/linux64.h: Likewise.
8259 * config/sparc/linux.h: Likewise.
8260 * config/svr4.h: Likewise.
8261 * gcov-io.h: Likewise.
8263 * doc/tm.texi: Updated.
8265 * libgcov.c (create_file_directory): Defined only if
8266 TARGET_POSIX_IO is defined.
8267 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8270 2005-07-13 Jan Hubicka <jh@suse.cz>
8272 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8274 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8276 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8277 structure as argument.
8279 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8281 PR tree-optimization/21921
8282 * tree-iterator.c (tsi_link_before): Support the case when
8283 tsi_end_p (tsi) == true.
8285 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8287 PR tree-optimization/22442
8288 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8291 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8293 PR rtl-optimization/20376
8294 * toplev.c (process_options): Enable -fweb and -frename-registers when
8296 * doc/invoke.texi: Update the information about when -fweb and
8297 -frename-registers are enabled.
8299 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8302 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8303 if *rhs_p is not a SSA_NAME.
8305 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
8307 Fix PR tree-optimization/22422
8308 * tree-ssa-structalias.c (struct variable_info): Add flag for
8310 (get_varinfo): Now a static function.
8311 (new_varinfo): init has_union and is_special_var to false.
8312 (solution_set_add): Check has_union.
8313 (do_da_constraint): Move temporary variable so it gets reset
8315 Also check for special variable.
8316 (do_ds_constraint): Ditto.
8317 (do_sd_constraint): Ditto.
8318 (do_structure_copy): Check for special variable.
8319 (find_func_aliases): Ditto.
8320 (init_base_vars): Set special vars properly.
8322 2005-07-13 Jan Hubicka <jh@suse.cz>
8324 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8327 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8328 (get_expr_operands): Fix thinko wrt flags and subvars.
8330 PR tree-optimize/22379
8331 * tree-inline.c (expand_call_inline): Do not output sorry in early
8334 2005-07-12 Dale Johannesen <dalej@apple.com>
8336 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
8338 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8341 * host-linux.h: Include limits.h.
8343 2005-07-12 Dale Johannesen <dalej@apple.com>
8345 * expr.c (compress_float_constant): Add cost check.
8346 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8348 2005-07-12 Dale Johannesen <dalej@apple.com>
8350 * gcc.target/i386/compress-float-sse.c: New.
8351 * gcc.target/i386/compress-float-sse-pic.c: New.
8352 * gcc.target/i386/compress-float-387.c: New.
8353 * gcc.target/i386/compress-float-387-pic.c: New.
8354 * gcc.dg/compress-float-ppc.c: New.
8355 * gcc.dg/compress-float-ppc-pic.c: New.
8357 2005-07-12 Eric Christopher <echristo@redhat.com>
8359 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8361 * config/s390/s390.md: Include tpf.md. Move tpf specific
8363 * config/s390/tpf.md: To here.
8364 * config/s390/s390.opt: Move tpf specific options...
8365 * config/s390/tpf.opt: to here. Add mmain option.
8366 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8367 * config/s390/tpf.h: Rewrite.
8369 2005-07-12 Eric Christopher <echristo@redhat.com>
8371 * gcc.c (struct infile): Update comment for language.
8372 (main): Rewrite input file resetting code.
8374 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8377 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8378 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8379 (lookup_avail_expr): Use constant_boolean_node instead
8380 of boolean_false_node/boolean_true_node.
8382 2005-07-12 Ben Elliston <bje@au.ibm.com>
8384 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8385 and use it when printing num_edges.
8387 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8389 * doc/extend.texi (Blackfin Built-in Functions): New section.
8390 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8393 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8395 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8396 s/cmpstrsi/cmpstrnsi
8397 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8399 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8400 (init_optabs): Initialize cmpstrn_optab.
8401 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8402 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8403 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8404 * config/i386/i386.md: s/cmpstr/cmpstrn
8405 * config/c4x/c4x.md: s/cmpstr/cmpstrn
8406 * doc/md.texi: Update documentation.
8408 2005-07-11 Richard Henderson <rth@redhat.com>
8410 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8411 build_va_arg_indirect_ref.
8412 (alpha_gimplify_va_arg): Likewise.
8413 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8414 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8415 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8416 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8417 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8418 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8420 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8422 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8424 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8425 * passes.c (init_optimization_passes): Add pass_empty_loop.
8426 * tree-pass.h (pass_empty_loop): Declare.
8427 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8428 try_remove_empty_loop, remove_empty_loops): New functions.
8429 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8430 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8432 2005-07-12 Peter Barada <peter@the-baradas.com>
8436 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8437 in address registers.
8438 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8439 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8440 alternative of addsi3_5200.
8442 2005-07-11 Ian Lance Taylor <ian@airs.com>
8444 * config/mips/mips.md (ffs<mode>2): Remove.
8446 2005-07-11 Ian Lance Taylor <ian@airs.com>
8448 * doc/tree-ssa.texi (Cleanups): Improve description of
8450 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8452 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8454 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8455 * tree.h (DECL_ARGUMENT_FLD): New macro.
8457 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8459 Fix PR tree-optimization/22404
8461 * tree-ssa-structalias.c (create_variable_info_for): Use
8464 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
8466 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8467 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8468 for second comparison operand.
8469 * config/bfin/predicates.md (reg_or_const_int_operand): New.
8471 * config/bfin/bfin.md (define_attr "type"): Add "sync".
8472 (define_insn_reservation "alu"): Likewise.
8473 (csync, ssync): Now of type sync.
8474 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8475 -mcsync-anomaly -mspecld-anomaly.
8476 * config/bfin/bfin.opt (mcsync): Remove.
8477 (mcsync-anomaly, mspecld-anomaly): Add.
8478 * config/bfin/bfin.c: Include "insn-codes.h".
8479 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8480 (TARGET_DEFAULT_TARGET_FLAGS): New.
8481 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8483 2005-07-11 Steven Bosscher <stevenb@suse.de>
8485 * basic-block.h: Give the BB flags enum a name, bb_flags.
8486 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8487 * cfgcleanup.c (enum bb_flags): Remove here.
8488 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8489 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8490 (update_forwarder_flag): Likewise.
8491 (thread_jump): Likewise.
8492 (try_forward_edges): Likewise.
8493 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
8494 forwarder flags. Don't clear bb->aux for all basic blocks. Only
8495 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8497 2005-07-11 Richard Guenther <rguenther@suse.de>
8499 * config/i386/i386.opt: New target option -msseregparm.
8500 * config/i386/i386.c (override_options): Error out for
8501 -msseregparm but no SSE support.
8502 (ix86_function_sseregparm): Check for global sseregparm.
8503 * doc/invoke.texi: Document -msseregparm.
8505 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8507 * config.gcc (m32r-*-linux*): Use the default extra_parts.
8508 (m32rle-*-linux*): Ditto.
8510 2005-07-11 Jakub Jelinek <jakub@redhat.com>
8512 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8513 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8516 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8520 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8521 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8523 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
8525 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8526 (varmap): Heapify varmap.
8527 (constraints): Heapify constraints.
8528 (struct constraint_graph): Heapify succs and preds.
8529 (constraint_vec_find): Update for heapification.
8530 (constraint_set_union): Ditto.
8531 (insert_into_complex): Ditto.
8532 (constraint_edge_vec_find): Ditto.
8533 (erase_graph_self_edge): Ditto.
8534 (add_graph_edge): Ditto.
8535 (get_graph_weights): Ditto.
8536 (merge_graph_nodes): Ditto.
8537 (build_constraint_graph): Ditto.
8538 (topo_visit): Ditto.
8539 (solve_graph): Ditto.
8540 (create_variable_info_for): Ditto.
8541 (init_base_vars): Ditto.
8542 (delete_points_to_sets): Free graph, varmap, and complex constraints.
8543 (condese_varmap_nodes): Free complex vector.
8544 (clear_edges_for_node): Clear succs and preds vector.
8546 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8548 * tree-ssa-structalias.c (update_alias_info): Change counting of
8549 references to not include vdefs.
8551 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8553 * tree-ssa-alias.c (free_used_part_map): Add missing free.
8556 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8558 * pa.c (pa_commutative_p): Make PLUS commutative when
8559 TARGET_NO_SPACE_REGS is true.
8561 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8563 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8564 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8565 * tree-dfa.c (dump_subvars_for): New.
8566 (debug_subvars_for): New.
8567 (dump_variable): Show subvariables if VAR has them.
8568 * tree-flow-inline.h (get_subvar_at): New.
8569 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8570 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8572 (struct subvar): Change fields offset and size to unsigned
8574 (dump_subvars_for): Declare.
8575 (debug_subvars_for): Declare.
8576 (get_subvar_at): Declare.
8577 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8578 to unsigned HOST_WIDE_INT *.
8579 (overlap_subvar): Likewise.
8580 * tree-gimple.c (is_gimple_reg): Always return false for
8581 SFTs and memory tags.
8582 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8584 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8585 (compute_may_aliases): Call compute_points_to_sets.
8586 (collect_points_to_info_for): Remove.
8587 (compute_points_to_and_addr_escape): Remove.
8588 (delete_alias_info): Call delete_points_to_sets.
8589 (compute_flow_sensitive_aliasing): If the call to
8590 find_what_p_points_to returns false, call set_pt_anything.
8591 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8592 (set_pt_anything): Clear pi->pt_vars.
8593 (set_pt_malloc): Remove.
8594 (merge_pointed_to_info): Remove.
8595 (add_pointed_to_expr): Remove.
8596 (add_pointed_to_var): Remove.
8597 (collect_points_to_info_r): Remove.
8598 (is_escape_site): Make extern.
8600 (create_overlap_variables_for): Call it.
8601 * tree-ssa-copy.c (merge_alias_info): Never merge
8602 flow-sensitive alias information.
8603 * tree-ssa-operands.c (get_expr_operands): Adjust variables
8604 offset and size to be unsigned HOST_WIDE_INT.
8605 (add_to_addressable_set): Rename from note_addressable.
8606 Set TREE_ADDRESSABLE as the variables are added to the set.
8608 (add_stmt_operand): Do not try to micro-optimize unmodifiable
8609 operands into VUSEs when adding V_MAY_DEFs for members in an
8611 * tree-ssa-operands.h (add_to_addressable_set): Declare.
8612 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8613 (struct variable_info): Add bitfield is_heap_var.
8614 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8615 (new_var_info): Initialize is_heap_var.
8616 (get_constraint_for): Add HEAP variables to the symbol table.
8617 Mark them with is_heap_var.
8618 (update_alias_info): New. Taken mostly from the old
8619 compute_points_to_and_addr_escape.
8620 (handle_ptr_arith): New.
8621 (find_func_aliases): Call update_alias_info.
8622 Call handle_ptr_info for tcc_binary expressions.
8623 Call mark_stmt_modified.
8624 (create_variable_info_for): If DECL has subvars, do not create
8625 variables for its subvars. Always add all the fields.
8626 (set_uids_in_ptset): If the solution includes ANYOFFSET and
8627 SFTs, then add all the SFTs of the structure.
8628 If VI->DECL is an aggregate with subvariables, add the SFT at
8630 (find_what_p_points_to): If VI is an artificial variable,
8631 translate to bitfields in SSA_NAME_PTR_INFO.
8632 If the solution is empty, set pi->pt_vars to NULL
8633 (init_base_vars): Create ANYOFFSET.
8634 (compute_points_to_sets): Rename from create_alias_vars.
8636 (pass_build_pta): Remove.
8637 (delete_points_to_sets): Rename from delete_alias_vars.
8638 (pass_del_pta): Remove.
8639 * tree-ssa-structalias.h (struct alias_info): Move from
8641 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8642 NUM_REFERENCES_SET): Likewise.
8643 (compute_points_to_sets, delete_points_to_sets): Declare.
8645 2005-07-09 Richard Henderson <rth@redhat.com>
8647 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8648 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8649 alpha_split_lock_test_and_set_12): New functions.
8650 * config/alpha/alpha-protos.h: Update.
8651 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8652 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8653 * config/alpha/sync.md (I12MODE): New.
8654 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8655 (sync_<fetchop_name><I48MODE>): Likewise.
8656 (sync_nand<I48MODE>): Likewise.
8657 (sync_old_<fetchop_name><I48MODE>): Likewise.
8658 (sync_new_<fetchop_name><I48MODE>): Likewise.
8659 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8660 (sync_compare_and_swap<I48MODE>): Likewise.
8661 (sync_lock_test_and_set<I48MODE>): Likewise.
8662 (sync_compare_and_swap<I12MODE>): New.
8663 (sync_compare_and_swap<I12MODE>_1): New.
8664 (sync_lock_test_and_set<I12MODE>): New.
8665 (sync_lock_test_and_set<I12MODE>_1): New.
8667 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8671 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8673 2005-07-09 Jakub Jelinek <jakub@redhat.com>
8675 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8676 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8678 2005-07-09 Richard SAndiford <richard@codesourcery.com>
8681 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8683 2005-07-08 David Edelsohn <edelsohn@gnu.org>
8685 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8686 memory_operand constraint.
8687 (store_conditional_<mode>): Same.
8688 (sync_compare_and_swap<mode>): Same.
8689 (sync_lock_test_and_set<mode>): Same.
8691 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
8693 Rewrite PIC support to more closely model actual instructions.
8694 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8695 (cris_symbol): Remove prototypes for removed functions.
8696 (cris_pic_symbol_type_of, cris_valid_pic_const)
8697 (cris_expand_pic_call_address): Prototypes for new functions.
8698 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8700 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8702 <case ':'>: Add case for new punctuation character.
8703 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8704 emitting (extra) PIC modifier.
8705 <case UNSPEC>: Do not assert for PLT.
8706 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8707 (cris_expand_prologue, cris_expand_epilogue): Check
8708 for pic_offset_table_rtx usage instead of taking
8709 current_function_uses_pic_offset_table as the final word.
8710 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8711 Remove flag_pic difference.
8712 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8713 the moral equivalents of...
8714 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8716 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8717 (cris_handle_option): Mark ARG as unused.
8718 (cris_expand_pic_call_address): New worker function for "call",
8720 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8721 output PIC constructs here.
8722 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8723 as symbol-specific modifers, not whole or part of operands.
8724 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8725 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8726 constants and flag_pic.
8727 (CONSTANT_INDEX_P): Adjust for new functions.
8728 (enum cris_pic_symbol_type): New helper type.
8729 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8730 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8731 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8733 ("movsi"): Emit actual instructions for GOT and relative access.
8734 ("*movsi_got_load"): New pattern to set up the register holding
8736 ("*movsi_internal"): Operand 1 is not a plain general_operand.
8737 Adjust FIXME for 'S'.
8738 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8739 Use "movs" for -fpic cases.
8740 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8741 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8742 ("call", "call_value"): Just call cris_expand_pic_call_address for
8744 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8745 Remove special pattern.
8746 ("*expanded_call_side", "*expanded_call_value_side"): New
8748 (gotplt-to-plt, gotplt-to-plt-side-call)
8749 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8751 * config/cris/cris/predicates.md
8752 ("cris_general_operand_or_gotless_symbol"): Remove unused
8754 ("cris_general_operand_or_symbol"): Adjust for new functions.
8756 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8758 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8760 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
8762 * Makefile.in (TREE_H): Add treestruct.def.
8763 (c-decl.o): Add pointer-set.h
8764 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8765 visibility on regular DECL's.
8766 (merge_decls): Fix the copying of decl nodes of various types for
8767 the new structures. Don't update RTL, section name, weak status,
8768 etc, on DECL's without RTL.
8769 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
8770 Don't check volatile on non-variable types.
8771 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
8772 to check whether we have seen arguments.
8773 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
8774 flag is checked before field (flag is common, field is not).
8775 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
8776 TS_DECL_COMMON could have an origin.
8777 (add_location_or_const_value_attribute): Don't check section name
8778 on non-var/function decls.
8779 (dwarf2out_var_location): Reverse order of tests.
8780 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
8781 with DECL_WRTL_CHECK.
8782 * expmed.c (make_tree): rtl is now in decl_with_rtl.
8783 * fold-const.c (fold_binary): Don't check weakness on
8784 non-var/function decls.
8785 (tree_expr_nonzero_p): Ditto.
8786 (fold_checksum_tree): Use tree_decl_extra as sizeof
8788 * ggc-page.c (extra_order_size_table): Add sizes for
8789 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
8791 * gimplify.c (gimplify_bind_expr): Only set
8792 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
8793 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
8795 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
8796 * langhooks.h (init_ts). New langhook.
8797 * passes.c (rest_of_decl_compilation): Reverse order of tests.
8798 * print-tree.c (print_node): Update to only print fields that
8799 exist in the structures the passed decl has.
8800 * toplev.c (wrapup_global_declarations): Don't reset
8801 DECL_DEFER_OUTPUT on DECL's that don't contain it.
8802 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
8803 * tree-inline.c (remap_decl): Ditto.
8804 * tree-outof-ssa.c (create_temp): Reverse order of tests.
8805 * tree-pretty-print.c (print_declaration): Don't print
8806 DECL_REGISTER on things that don't contain it.
8807 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
8808 non-var/function decls.
8809 * tree.c (tree_contains_struct): New structure.
8810 (init_priority_for_decl): New hashtable.
8811 (tree_int_map): New structure.
8812 (tree_int_map_eq): New function.
8813 (tree_int_map_marked_p): Ditto.
8814 (tree_int_map_hash): Ditto.
8815 (tree_map): Move to tree.h.
8816 (tree_map_eq): Externalize.
8817 (tree_map_hash): Ditto.
8818 (tree_map_marked_p): Ditto.
8819 (init_ttree): Set up tree_contains_struct and call langhook.
8820 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
8821 (tree_code_size): Update for new structures.
8822 (tree_node_structure): Update for new structures.
8823 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
8825 (copy_node_stat): Copy init priority.
8826 (build_decl_stat): Ditto for visibility.
8827 (ts_enum_names): New.
8828 (tree_contains_struct_check_failed): New function.
8829 (decl_init_priority_lookup): Ditto.
8830 (decl_init_priority_insert): Ditto.
8831 * treestruct.def: New file.
8832 * tree.h (CODE_CONTAINS_STRUCT): New macro.
8833 (CONTAINS_STRUCT_CHECK): Ditto.
8834 (tree_contains_struct_check_failed): New prototype.
8835 (DECL_CHECK): Removed.
8836 (DECL_MINIMAL_CHECK): New.
8837 (DECL_COMMON_CHECK): Ditto.
8838 (DECL_WRTL_CHECK): Ditto.
8839 (DECL_NON_COMMON_CHECK): Ditto.
8840 (DECL_WITH_VIS_CHECK): Ditto.
8841 (VAR_OR_FUNCTION_DECL_P): Ditto
8842 (struct tree_decl_minimal): New structure.
8843 (struct tree_decl_common): Ditto.
8844 (struct tree_decl_with_rtl): Ditto.
8845 (struct tree_decl_with_vis): Ditto.
8846 (struct tree_decl_non_common): Ditto.
8847 (struct tree_field_decl): Ditto.
8848 (struct tree_parm_decl): Ditto.
8849 (struct tree_var_decl): Ditto.
8850 (struct tree_function_decl): Ditto.
8851 (struct tree_const_decl): Ditto.
8852 (struct tree_result_decl): Ditto.
8853 (union tree_node): Add new structures.
8854 * var-tracking.c (track_expr_p): Reverse order of tests.
8856 * doc/c-tree.texi: Add documentation on DECL node internal structure.
8858 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8860 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
8861 * system.h: Poison FINALIZE_PIC.
8862 * doc/tm.texi (FINALIZE_PIC): Remove.
8864 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8867 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
8868 to the correct type if we have a MODIFY_EXPR.
8870 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8872 PR tree-optimization/22360
8873 * tree.c (upper_bound_in_type): Fix calculations for casting
8874 to a non-wider signed type and casting a signed value to a
8875 wider unsigned type.
8876 (lower_bound_in_type): Fix calculations for casting to a
8877 non-wider signed type.
8879 PR tree-optimization/20139
8880 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
8882 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
8883 fold_cond_expr_cond.
8884 * tree-ssanames.c (release_defs): Assert in_ssa_p.
8885 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
8887 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8890 * tree-complex.c (expand_complex_libcall): Produce
8891 REALPART_EXPR/IMAGPART_EXPR with the correct type.
8893 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
8895 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
8896 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
8897 b" assert and inserted fastpath code for this case.
8898 (bitmap_ior): Removed "a != b" assert.
8900 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8902 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
8903 (ENDFILE_SPEC): Likewise.
8904 * config/m32r/m32r.h (ASM_SPEC): Likewise.
8906 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
8907 a large stack frame at epilogue.
8909 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
8911 * final.c: Include sdbout.h when required.
8913 2005-07-07 Geoffrey Keating <geoffk@apple.com>
8915 * config.gcc (*-*-darwin*): Only one target-specific header file
8917 (powerpc-*-darwin*): Add version-specific header files.
8918 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
8919 * config.in: Regenerate.
8920 * configure: Regenerate.
8921 * gcc.c: Include xregex.h.
8922 (version_compare_spec_function): New.
8923 (spec_function): Add version-compare.
8924 (replace_outfile_spec_function): Reformat comment.
8925 (compare_version_strings): New.
8926 * config/darwin-c.c (version_as_macro): New.
8927 (builtin_define): New.
8928 (darwin_cpp_builtins): New.
8929 * config/darwin-protos.h (darwin_cpp_builtins): New.
8930 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
8931 (LIB_SPEC): Make unconditional, update comment.
8932 (TARGET_C99_FUNCTIONS): Define.
8933 * config/darwin.opt: Sort.
8934 (mmacosx-version-min=): New.
8935 * config/darwin7.h: Delete.
8936 * config/darwin8.h: Delete.
8937 * config/i386/darwin.h (): Call darwin_cpp_builtins.
8938 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
8939 (TARGET_C99_FUNCTIONS): Define.
8940 * config/rs6000/darwin7.h: New.
8941 * config/rs6000/darwin8.h: New.
8942 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
8943 (-mmacosx-version-min): Document.
8945 2005-07-07 Ian Lance Taylor <ian@airs.com>
8947 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
8949 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
8952 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
8954 2005-07-07 Khem Raj <kraj@mvista.com>
8956 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
8957 in bytes, not words.
8959 2005-07-07 Paul Brook <paul@codesourcery.com>
8961 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
8962 DEFAULT_FUNCTION_ARG_PADDING to upward.
8964 2005-07-07 Richard Henderson <rth@redhat.com>
8966 * function.c (locate_and_pad_parm): Record parameter alignment in
8967 stack_alignment_needed.
8969 2005-07-07 David Edelsohn <edelsohn@gnu.org>
8971 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
8972 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
8973 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
8974 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
8975 (define_attr "type"): Add isync, sync, load_l, store_c.
8976 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
8977 Create scratch volatile MEM.
8978 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
8980 (load_locked_<mode>): New.
8981 (store_conditional_<mode>): New.
8982 (sync_compare_and_swap<mode>): Replace with splitter.
8983 (sync_lock_test_and_set<mode>): Replace with splitter.
8984 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
8986 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
8987 is ics. Attribute isync.
8988 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
8990 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
8991 and UNSPECV_SYNC_OP.
8992 (emit_unlikely_jump): New.
8993 (emit_load_locked): New.
8994 (emit_store_conditional): New.
8995 (rs6000_split_compare_and_swap): New.
8996 (rs6000_split_lock_test_and_set): New.
8997 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8998 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8999 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9000 rs6000_split_lock_test_and_set): Declare.
9001 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9002 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9003 store_c, isync, sync.
9005 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9007 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9008 filenames to gtyp-gen.h.
9009 (s-typ-gen): Use it in place of for loops.
9011 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9013 * hooks.c (hook_bool_rtx_int_false): New function.
9014 * hooks.h (hook_bool_rtx_int_false): Declare.
9015 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9016 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9017 * target.h (struct gcc_target): Add commutative_p member.
9018 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9019 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9020 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9021 (pa_commutative_p): New function.
9022 * jump.c (target.h): Include.
9023 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9024 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9026 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9028 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9029 (s390_expand_setmem): New.
9030 * config/s390/s390.c: Likewise.
9031 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9033 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9034 general_operand. Call new function "s390_expand_setmem".
9035 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9036 ("setmem_long", "*setmem_long"): ... this.
9038 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9040 * config/s390/s390.c: (optimization_options): Enable
9041 TARGET_MVCLE at -Os.
9042 * doc/invoke.texi: Document changes in default behaviour.
9043 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9045 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9047 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9048 defined by back-end.
9050 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9052 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9053 all sets in the pattern.
9054 * config/rs6000/rs6000.md (stack_protect_testsi,
9055 stack_protect_testdi): Likewise.
9057 2005-07-06 Jeff Law <law@redhat.com>
9059 * tree-vrp.c (simplify_using_ranges): Kill.
9060 (vrp_finalize): Remove call to simplify_using_ranges.
9061 (simplify_stmt_using_ranges): New function extracted from
9062 simplify_using_ranges.
9063 (simplify_div_or_mod_using_ranges): Likewise.
9064 (simplify_abs_using_ranges): Likewise.
9065 (simplify_cond_using_ranges): New function.
9066 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9067 * tree-ssa-propagate.c (substitute_and_fold): Call
9068 simplify_stmt_using_ranges if we have range information.
9070 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9072 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9073 ia64_flag_schedule_isns2.
9075 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9076 reading/writing general registers.
9077 (ia64_function_arg): Revert 2005-06-18 change.
9079 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9081 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9082 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9084 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9086 * function.c (expand_function_end): Revert part of 2005-06-27
9087 patch. Do sjlj_emit_function_exit_after after return_label.
9089 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9091 * doc/install.texi (--disable-libssp): New.
9093 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9095 * doc/invoke.texi: Update -fforce-mem documentation.
9096 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9097 code for -fforce-mem.
9098 * expmed.c: (store_bit_field,store_fixed_bit_field,
9099 extract_bit_field): Ditto.
9100 * expr.c: (convert_move): Ditto.
9101 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9102 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9103 emit_conditional_add,expand_float,expand_fix): Ditto.
9104 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9105 (common_handle_option): Issue warning when -fforce-mem specified.
9107 2005-07-06 Paul Brook <paul@codesourcery.com>
9109 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9111 * configure: Regenerate.
9113 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9115 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9117 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9119 Fix PR tree-optimization/22319
9120 Fix PR tree-optimization/22140
9121 Fix PR tree-optimization/22310
9123 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9124 variable sized types.
9125 Use correct type for intermediate structure on *a = *b structure
9128 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9130 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9132 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9133 (machine_function): Move typedef to...
9134 * config/rs6000/rs6000.c (machine_function): ... here. Add
9135 varargs_save_offset field.
9136 (rs6000_stack_t): Remove varargs_size field.
9137 (setup_incoming_varargs): Allocate varargs save area using
9138 assign_stack_local, try to make it as small as possible.
9139 Save offset from virtual_stack_vars_rtx to the save area
9140 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9141 instead of magic 8 when fp word byte size is used.
9142 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9143 instead of -RS6000_VARARGS_SIZE.
9144 (rs6000_stack_info, debug_stack_info,
9145 rs6000_initial_elimination_offset): Remove all traces of
9147 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9148 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9149 RS6000_VARARGS_AREA.
9151 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9153 PR tree-optimization/21963
9154 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9155 constant_multiple_of in the same way get_computation_cost_at does.
9157 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9159 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9160 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9161 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9162 and return its previous value.
9163 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9164 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9166 (stack_protect_set, stack_protect_test): New expanders.
9167 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9168 stack_protect_testdi): New insns.
9169 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9170 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9172 2005-07-06 Jeff Law <law@redhat.com>
9174 * tree-ssa-dce.c (cfg_altered): New global.
9175 (tree_dce_init): Initialize cfg_altered.
9176 (remove_dead_stmt): If we remove an edge in the CFG, then set
9178 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9181 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9183 * Makefile.in (stamp-collect-ld): Use
9184 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9185 ./collect-ld if it already exists.
9186 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9187 Don't remove ./nm if it already exists.
9189 2005-07-05 Devang Patel <dpatel@apple.com>
9191 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9192 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9193 * tree-vectorizer.c (vect_loop_location): New.
9194 (vect_print_dump_info): Use vect_loop_location.
9195 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9196 (vectorize_loops): Set vect_loop_location.
9197 * tree-vect-analyze.c (vect_analyze_offset_expr,
9198 vect_determin_vectorization_factor, vect_analyze_operations,
9199 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9200 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9201 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9202 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9203 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9204 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9205 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9206 vect_analyze_loop): Adjust vect_print_dump_info API.
9207 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9208 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9209 vect_finish_stmt_generation, vectorizable_assignment,
9210 vectorizable_operation, vectorizable_store, vectorizable_load,
9211 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9212 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9213 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9214 vect_transform_loop): Same.
9215 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9216 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9219 2005-07-05 Randolph Chung <tausq@debian.org>
9221 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9222 * configure: Regenerate.
9223 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9224 (pa_tls_referenced_p): Declare.
9225 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9226 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9227 (legitimize_tls_address): New.
9228 (hppa_legitimize_address): Handle TLS addresses.
9229 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9230 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9231 (emit_move_sequence): Handle TLS addresses.
9232 (pa_encode_section_info): Call default handler to handle common
9234 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9235 (CONSTANT_ADDRESS_P): Reject TLS operands.
9236 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9237 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9238 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9239 (UNSPEC_TLSLE): Define new constants.
9240 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9241 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9242 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9243 (tie_symbolic_operand, tle_symbolic_operand): New
9245 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9247 * aclocal.m4: Update macros for autoconf 2.59 style.
9248 * configure.ac: Likewise.
9250 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9252 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9253 (function_arg): Pass small aggregates in general registers on 32-bit
9255 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9257 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9259 * Makefile.in (final.o): Fix dependencies.
9261 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9265 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9266 * langhooks.c (lhd_expr_to_decl): New.
9267 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9269 (LANG_HOOKS_INITIALIZER): Update.
9270 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9271 expr_to_decl langhook.
9272 * c-tree.h (c_expr_to_decl): Declare.
9273 * c-typeck.c (c_expr_to_decl): New.
9274 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9276 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9278 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9281 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9282 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9284 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9286 * Makefile.in: Adjust dependencies.
9287 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9288 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9289 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9290 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9291 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9292 rest_of_compilation.
9294 * bb-reorder.c (gate_duplicate_computed_gotos,
9295 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9296 rest_of_handle_reorder_blocks, pass_reorder_blocks,
9297 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9298 pass_partition_blocks): New.
9299 * bt-load.c (gate_handle_branch_target_load_optimize,
9300 rest_of_handle_branch_target_load_optimize,
9301 pass_branch_target_load_optimize): New.
9302 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9304 * cfglayout.c (pass_insn_locators_initialize): New.
9305 * cfgrtl.c (pass_free_cfg): New.
9306 * combine.c (gate_handle_combine, rest_of_handle_combine,
9308 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9309 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9310 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9311 * except.c (pass_set_nothrow_function_flags,
9312 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9314 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9315 rest_of_handle_shorten_branches, pass_shorten_branches,
9316 rest_of_clean_state, pass_clean_state): New.
9317 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9318 rest_of_handle_remove_death_notes, pass_remove_death_notes,
9319 rest_of_handle_life, pass_life, rest_of_handle_flow2,
9321 * function.c (pass_instantiate_virtual_regs, pass_init_function,
9322 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9323 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9324 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9326 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9327 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9328 pass_rtl_ifcvt, gate_handle_if_after_combine,
9329 rest_of_handle_if_after_combine, pass_if_after_combine,
9330 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9331 pass_if_after_reload): New.
9332 * integrate.c (pass_initial_value_sets): New.
9333 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9334 pass_purge_lineno_notes): New.
9335 * mode-switching.c (rest_of_handle_mode_switching,
9336 pass_mode_switching): New.
9337 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9338 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9340 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9341 pass_loop_optimize): New.
9342 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9344 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9346 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9347 pass_postreload_cse): New.
9348 * profile.c (gate_handle_profiling, pass_profiling,
9349 rest_of_handle_branch_prob, pass_branch_prob): New.
9350 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9351 pass_split_before_regstack, gate_handle_split_before_regstack,
9352 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9353 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9354 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9355 pass_stack_regs): New.
9356 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9357 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9358 pass_stack_adjustments): New.
9359 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9360 pass_regrename): New.
9361 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9362 pass_delay_slots, gate_handle_machine_reorg,
9363 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9364 * rtl.h (extern void purge_line_number_notes): New.
9365 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9366 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9368 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9370 * value-prof.c (gate_handle_value_profile_transformations,
9371 rest_of_handle_value_profile_transformations,
9372 pass_value_profile_transformations): New.
9373 * var-tracking.c (gate_handle_var_tracking,
9374 pass_variable_tracking): New.
9375 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9377 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9378 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9379 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9380 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9381 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9382 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9383 rest_of_handle_gcse2, rest_of_handle_regmove,
9384 rest_of_handle_tracer, rest_of_handle_if_conversion,
9385 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9386 rest_of_handle_web, rest_of_handle_branch_prob,
9387 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9388 rest_of_handle_jump_bypass, rest_of_handle_combine,
9389 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9390 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9391 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9392 rest_of_handle_mode_switching, rest_of_handle_jump,
9393 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9394 rest_of_handle_flow2, rest_of_handle_jump2,
9395 rest_of_handle_peephole2, rest_of_handle_postreload,
9396 rest_of_handle_shorten_branches, rest_of_clean_state,
9397 rest_of_compilation): Remove.
9399 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9400 * passes.c (dump_flags, in_gimple_form, all_passes,
9401 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9402 register_dump_files, next_pass_1, last_verified, execute_todo,
9403 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9404 from tree-optimize.c.
9405 (init_optimization_passes): Moved from tree-optimize.c,
9406 adding the RTL optimizations.
9407 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9408 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9409 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9410 register_dump_files, next_pass_1, last_verified, execute_todo,
9411 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9412 init_tree_optimization_passes, ipa_passes): Delete.
9413 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9415 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9416 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9418 (ipa_passes): Remove.
9419 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9420 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9421 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9422 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9423 (dump_info_p, dump_flag): Moved to tree-dump.h.
9425 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9427 * passes.c (finish_optimization_passes): Use dump_begin
9428 and dump_end, TDI_end.
9429 (gate_rest_of_compilation): New.
9430 (pass_rest_of_compilation): Use it.
9431 (gate_postreload, pass_postreload): New.
9432 * toplev.c (general_init): Rename init_tree_optimization_passes.
9433 * toplev.h (init_tree_optimization_passes): Rename to
9434 init_optimizations_passes.
9435 * tree-dump.c (dump_flag): Make static.
9436 (dump_files): Remove RTL dumps.
9437 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9438 pass_cleanup_cfg, pass_free_cfg_annotations,
9439 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9440 pass_init_datastructures, pass_fixup_cfg): Make non-static.
9441 * tree-pretty-print.c: Include tree-pass.h.
9442 * cgraph.c: Include tree-dump.h.
9444 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9446 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9447 Only fall back to saying it points to readonly memory if
9450 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9452 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9453 * config/m32r/m32r.c (m32r_compute_frame_size,
9454 m32r_expand_prologue): Take current_function_profile into
9455 account whenever we reference
9456 current_function_uses_pic_offset_table.
9457 (m32r_finalize_pic): Remove.
9458 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9460 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
9462 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9463 instead of $<. Don't remove ./as if it already exists.
9465 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9468 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9469 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9470 for complex modes when generating code for PA 1.0.
9471 (VALID_FP_MODE_P): New macro.
9472 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9473 sets for all general and floating point modes. Align wide floating
9474 point modes to even register boundaries to comply with architectural
9476 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9477 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9478 (VALID_FP_MODE_P): New macro.
9479 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9480 sets for all general and floating point modes. Align wide floating
9481 point modes to even register boundaries to comply with architectural
9484 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9486 * tree-dump.c (dump_files): Initialize dump number for .cgraph
9489 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9491 * tree-ssa-structalias.c: Don't include expr.h.
9493 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9495 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9498 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9500 Fix PR tree-optimization/22279
9502 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9505 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
9507 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9509 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9511 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9512 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9513 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9514 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9515 config/stormy16/stormy16.c, config/v850/v850.c,
9516 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9517 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9518 Avoid "." or "\n" at end of diagnostics and capital letters at
9519 start of diagnostics.
9520 * combine.c, cse.c: Don't translate dump file output.
9521 * toplev.c (print_version): Only translate output if going to
9524 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9526 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9527 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9530 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9532 * pa.c (fix_range): Fix typo in comment.
9534 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9536 * tree-vrp.c (extract_range_from_assert): Replace
9537 fold (build (...)) with fold_build2.
9539 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9541 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9542 gcc_gfc_char_table, init_dynamic_gfc_info): New.
9543 (format_types_orig, handle_format_attribute): Add support for
9546 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
9548 * varasm.c (assemble_variable): Fix format specifier thinko.
9550 2005-07-03 Ira Rosen <irar@il.ibm.com>
9552 PR tree-optimization/22029 (and 22135)
9553 * tree-pretty-print.c (dump_generic_node): Check that the node is not
9554 a phi node before calling dump_vops.
9556 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9558 * tree-dump.h (dump_string_field): Declare.
9559 * tree-dump.c: Use it instead of dump_string.
9560 (dump_string_field): Make non-static.
9562 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
9564 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9565 up the minimal CFG stuff always when optimize > 0. Call
9566 split_all_insns_noflow in PIC case if needed.
9568 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9569 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9572 * c-decl.c (c_write_global_declarations): Dump contents of
9574 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9575 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9576 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9577 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9580 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9582 * c-common.h (GCC_DIAG_STYLE): Define.
9583 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
9584 version for format checking to 4.1.
9585 * c-format.c: Include toplev.h after c-common.h.
9586 (enum format_type): Add gcc_tdiag_format_type.
9587 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9588 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9589 (format_types_orig): Add gcc_tdiag.
9590 (init_dynamic_diag_info): Support gcc_tdiag formats.
9591 (handle_format_attribute): Likewise.
9592 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9593 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
9594 version for format checking to 4.1.
9595 (warning0, warning, error, pedwarn, sorry): Use
9597 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9598 (finish_aliases_1): Do not use %qE.
9599 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9600 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9601 Correct format bugs.
9602 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9603 parameter to unsigned HOST_WIDE_INT.
9604 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9606 2005-07-02 David Edelsohn <edelsohn@gnu.org>
9609 * expr.c (write_complex_part): Use adjust_address for MEM.
9610 (read_complex_part): Same.
9612 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
9614 Fix PR tree-optimization/22280
9616 * tree-sra.c (generate_element_init): Remove useless loop.
9618 2005-07-02 Richard Henderson <rth@redhat.com>
9620 * config/alpha/alpha.c (alpha_legitimize_address): Check for
9622 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9624 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
9627 * fold-const.c (fold_binary): Handle the return value of
9628 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9629 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9631 2005-07-02 Jeff Law <law@redhat.com>
9633 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9634 a eliminate type conversion which feeds an equality comparison
9635 if the original type or either operand in the comparison is a
9638 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
9640 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9641 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9643 * config/avr/avr.c: Do not use '`' as left quote.
9644 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9645 Remove "." from end of diagnostics. Make diagnostics start with
9648 2005-07-02 Zack Weinberg <zack@codesourcery.com>
9649 Joseph S. Myers <joseph@codesourcery.com>
9651 * toplev.c (default_tree_printer): Handle setting location with
9653 * c-objc.common.c (c_tree_printer): Likewise.
9654 * c-format.c (gcc_diag_flag_specs): Add '+'.
9655 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9656 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9658 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9659 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9660 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9661 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9662 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9663 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
9664 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
9665 format arguments where %J is used without %D.
9667 2005-07-02 Jakub Jelinek <jakub@redhat.com>
9669 * gcc.c (LINK_SSP_SPEC): Define.
9670 (link_ssp_spec): New variable.
9671 (LINK_COMMAND_SPEC): Add %(link_ssp).
9672 (static_specs): Add link_ssp_spec.
9673 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9674 * configure: Rebuilt.
9675 * config.in: Rebuilt.
9677 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9678 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9679 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9680 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9681 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9682 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9683 -0x7008(2) instead of reading __stack_chk_guard variable.
9684 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9686 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9687 (stack_protect_set, stack_protect_test): Use *_tls* patterns
9688 if TARGET_THREAD_SSP_OFFSET is defined.
9689 (stack_tls_protect_set_si, stack_tls_protect_set_di,
9690 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9693 2005-06-27 Richard Henderson <rth@redhat.com>
9694 * libgcc-std.ver (GCC_4.1.0): New.
9695 * libgcc.h (__stack_chk_guard): Declare.
9696 (__stack_chk_fail, __stack_chk_fail_local): Declare.
9697 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9698 * mklibgcc.in (lib2funcs): Add them.
9700 2005-07-01 Richard Henderson <rth@redhat.com>
9702 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9703 void * before struct sigcontext *.
9704 (x86_fallback_frame_state): Likewise.
9706 2005-07-01 James E. Wilson <wilson@specifixinc.com>
9708 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9710 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9713 * tree-ssa-reassoc.c (should_transpose): Fix which operand
9714 we check for SSA_NAME for.
9716 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
9718 Fix PR tree-optimization/22071
9720 * tree-ssa-structalias.c (offset_overlaps_with_access): New
9722 (get_constraint_for_component_ref): Use it.
9724 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9727 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9728 print out the last new line.
9730 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
9732 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9733 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9734 * config/cris/cris.c (cris_conditional_register_usage): Adjust
9735 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9736 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9737 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9738 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9739 (enum reg_class): New member CC0_REGS.
9740 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9741 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9742 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9743 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9744 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9745 Adjust for register now described.
9747 2005-07-01 Jakub Jelinek <jakub@redhat.com>
9750 * config/i386/i386.md (stack_protect_test_si,
9751 stack_protect_test_di): Add earlyclobber for scratch 3.
9752 * config/rs6000/rs6000.md (stack_protect_testsi,
9753 stack_protect_testdi): Add earlyclobber for scratch 3,
9754 remove earlyclobber from scratch 4.
9756 Older entries for 2005 can be found in ChangeLog-2005.