+2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
+
+ * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
+ which matches behavior of gcc 4.0 and older for RTEMS targets. The
+ default now includes a linker group which makes the RTEMS one nest.
+
+2005-11-22 Ben Elliston <bje@au.ibm.com>
+
+ * cse.c (fold_rtx): Typo fix.
+ (find_comparison_args): Pass the mode of arg1, not arg1 itself.
+
+2005-11-21 Richard Henderson <rth@redhat.com>
+
+ * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
+ langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
+
+ * c-tree.h (lookup_name): Move declaration ...
+ * c-common.h (lookup_name): ... here.
+ * config/darwin-c.c: Include c-common.h.
+ * config/t-darwin: Update dependencies.
+
+2005-11-22 Ben Elliston <bje@au.ibm.com>
+
+ * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
+ explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
+ * genopinit.c (gen_insn): Likewise.
+ * reload.c (find_equiv_reg): Likewise.
+ * loop.c (load_mems): Likewise.
+ * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
+ * cse.c (find_comparison_args, fold_rtx): Likewise.
+ * dwarf2out.c (add_const_value_attribute): Likewise.
+ * expr.c (convert_move): Likewise.
+ * recog.c (general_operand, register_operand): Likewise.
+ * reg-stack.c (replace_reg): Likewise.
+ * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
+ * c-common.c (handle_vector_size_attribute): Likewise.
+ * simplify-rtx.c (simplify_const_unary_operation): Likewise.
+ (simplify_binary_operation_1): Likewise.
+ (simplify_const_binary_operation): Likewise.
+ (simplify_relational_operation): Likewise.
+ (simplify_const_relational_operation): Likewise.
+ (simplify_immed_subreg): Likewise.
+ * emit-rtl.c (gen_lowpart_common): Likewise.
+ * expmed.c (expand_mult): Likewise.
+ * stor-layout.c (layout_type): Likewise.
+
+2005-11-21 Paolo Bonzini <bonzini@gnu.org>
+
+ PR target/24951
+ * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
+ cst2 only for SPE vectors.
+
+2005-11-21 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/24953
+ * config/rs6000/predicates.md (vrsave_operation): Check
+ UNSPEC_VOLATILE value.
+
+2005-11-21 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/24653
+ * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
+
+2005-11-21 Uros Bizjak <uros@kss-loka.si>
+
+ * config/i386/predicates.md (ax_reg_operand): New predicate.
+ (memory_displacement_only_operand): New predicate.
+ * config/i386/i386.md ("modrm" attribute): Return 0 if one
+ operand is AX register and the other operand is memory operand
+ with displacement only.
+
+2005-11-21 Uros Bizjak <uros@kss-loka.si>
+
+ * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
+ if we don't care about NaNs or Infinities.
+
+2005-11-20 Ian Lance Taylor <ian@airs.com>
+
+ PR rtl-optimization/24883
+ * combine.c (combinable_i3pat): When checking whether the
+ destination of i3 is used in i3, consider paradoxical subregs.
+
+2005-11-21 Kazu Hirata <kazu@codesourcery.com>
+
+ PR middle-end/20583
+ * cse.c (cse_insn): Reject invalid forms of CONST earlier.
+
+2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
+
+ * combine.c (try_combine): Do not run subst on i1src and i2src in
+ the case of generating a PARALLEL for a comparison.
+
+2005-11-20 Richard Henderson <rth@redhat.com>
+
+ PR 24931
+ * tree-sra.c (struct sra_elt): Add all_no_warning.
+ (struct sra_walk_fns) <use>: Add use_all argument.
+ (sra_walk_expr): Pass it.
+ (sra_walk_modify_expr): Likewise.
+ (scalarize_ldst): Likewise.
+ (scan_use): Update for new argument.
+ (mark_no_warning): New.
+ (scalarize_use): Use it.
+
+2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * expr.c (expand_expr_real): Use usmul_optab for widening
+ signed * unsigned multiplies.
+ * genopinit.c (optabs): Add usmul_widen_optab.
+ * optabs.c (init_optabs): Likewise.
+ * optabs.h (enum optab_index): Add OTI_usmul_widen.
+ (usmul_widen_optab): Define.
+ * config/bfin/bfin.md (usmulhisi3): New pattern.
+
+ * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
+
+2005-11-20 Graham Stott <btinternet.com>
+
+ * gensupport.c (std_preds): Fixed extraneous `false` in last change.
+
+2005-11-20 Andreas Schwab <schwab@suse.de>
+
+ PR target/24757
+ * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
+ insn.
+
+2005-11-19 Richard Henderson <rth@redhat.com>
+
+ PR tree-opt/24665
+ * tree-gimple.c (is_gimple_id): Export.
+ * tree-gimple.h (is_gimple_id): Declare.
+ * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
+ (get_default_value): Use it.
+ (maybe_fold_stmt_indirect): Likewise.
+
+2005-11-19 James A. Morrison <phython@gcc.gnu.org>
+
+ * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
+ than VR1 or vice-versa.
+
+2005-11-19 Hans-Peter Nilsson <hp@axis.com>
+
+ PR middle-end/24912
+ PR middle-end/24750
+ * reload.c (find_reloads_address_1): Mention dependency on
+ gen_reload.
+ * reload1.c (gen_reload): For IN with an unary operation, try
+ moving inner expression to OUT if trivial SET is not valid.
+ Confirm that the result is valid. Move common code block into...
+ (emit_insn_if_valid_for_reload): New function.
+
+2005-11-19 Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (fold_indirect_ref_1): Make sure we fold
+ ARRAY_REFs of constant strings.
+
+2005-11-19 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
+ fatal format string.
+
+2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
+
+ * combine.c (make_compound_operation): Swap operands of
+ commutative operation if necessary before returning.
+
+2005-11-19 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/23294
+ * fold-const.c (fold_plusminus_mult_expr): New function.
+ (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
+ cases, remove now unnecessary code.
+
+2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
+
+ * gensupport.c (old_preds): Rename to std_preds, add special field.
+ (struct old_pred_table): Rename to struct std_pred_table, add special
+ field.
+ (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
+ (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
+ (init_predicate_table): Adjust, and set along the way whether a
+ predicate is special.
+
+2005-11-18 Mark Mitchell <mark@codesourcery.com>
+
+ * BASE-VER: Change to 4.2.0.
+
+2005-11-18 James E Wilson <wilson@specifix.com>
+
+ * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
+ returning it.
+
+2005-11-18 Mike Stump <mrs@apple.com>
+
+ * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
+ * config/darwin-c.c (darwin_pragma_unused): Likewise.
+ * c-decl.c (lookup_name_two) Remove.
+ * c-tree.h (lookup_name_two): Remove.
+ * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
+ * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
+ (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
+ * langhooks.h (lang_hooks_for_decls): Add lookup_name.
+
+2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
+
+ PR target/24914
+ * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
+ when not generating code to use that co-processor.
+
+2005-11-18 James A. Morrison <phython@gcc.gnu.org>
+
+ * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
+ add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
+ these functions are now in tree-phinodes.c.
+
+2005-11-18 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin.md (trap): New pattern.
+
+2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
+ on types.
+
+ * expr.c (expand_expr_real): Don't call record_block_change unless
+ ib_boundaries_block is non-null
+
+ * postreload.c (reload_cse_move2add): Don't try to work with BImode.
+
+ * fold-const.c (build_range_check): Use proper type for subtraction
+ when merging lower bound.
+
+2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/24497
+ * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
+ the copied insn.
+
+2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-scalar-evolution.c (expression_expensive_p): New function.
+ (scev_const_prop): Use compute_overall_effect_of_inner_loop.
+
+2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/crtlibid.s: New file.
+
+2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/24348
+ * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
+ when not using sjlj exceptions.
+ * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
+ * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
+ * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
+ * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
+ DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
+ * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
+ * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
+ DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
+ ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
+ * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
+ (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
+ DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
+ ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
+ defines.
+ * config/pa/hpux-unwind.h: New file.
+
+2005-11-17 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
+ * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
+ * varasm.c (do_assemble_alias): Adjust call.
+ (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
+ is defined.
+ * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
+
+2005-11-17 James E Wilson <wilson@specifix.com>
+
+ * tree.def (FUNCTION_DECL): Correct typo in comment.
+
+2005-11-17 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
+ (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
+ and DW_CFA_def_cfa_sf.
+ (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
+ (dbx_reg_number): Don't assert particular registers here.
+ (based_loc_descr): ... do it here instead. Fold in ...
+ (eliminate_reg_to_offset): ... this function.
+ (compute_frame_pointer_to_cfa_displacement): Fold in the effects
+ of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
+ * unwind-dw2.c (execute_cfa_program): Apply data align factor
+ to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
+ * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
+ (instantiate_virtual_regs): Likewise.
+ * var-tracking.c (adjust_stack_reference): Likewise.
+ * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
+
+2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
+ * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
+ * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
+ crtlibid.o.
+ ($(T)crtlibid.o): New rule.
+
+2005-11-16 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/24851
+ * fold-const.c (extract_array_ref): Return byte offset
+ in all cases.
+ (fold_binary): Fold &x[a] CMP &x[b] to
+ a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
+ behavior.
+
+2005-11-16 Richard Henderson <rth@redhat.com>
+
+ PR middle-end/23497
+ * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
+ parts of an SSA_NAME.
+
+2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
+
+ PR target/24861
+ * arm.md (split for movsf with immediate): Restrict split to insns
+ that set a general register.
+
+2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
+ uw_update_context.
+ * unwind-dw2.c (uw_advance_context): Likewise.
+ * unwind-sjlj.c (uw_advance_context): Likewise. Also call
+ _Unwind_SjLj_Unregister.
+ * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
+
+2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
+
+2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
+ langhook to get a DImode integer type.
+
+2005-11-16 Richard Henderson <rth@redhat.com>
+ J"orn Rennecke <joern.rennecke@st.com>
+ Ulrich Weigand <uweigand@de.ibm.com>
+
+ PR rtl-opt/24160
+ PR target/24621
+ * reload1.c (reg_equiv_invariant): New.
+ (reload): Allocate, initialize, and free it.
+ (calculate_needs_all_insns): Check it when skipping equivalence
+ setting insns.
+ (alter_reg): Likewise.
+ (eliminate_regs_1): Rename from eliminate_regs. Add new
+ may_use_invariant argument; only use reg_equiv_invariant when true.
+ (eliminate_regs): New.
+ (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
+ a context for which may_use_invariant may be true.
+
+2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
+
+ * fold-const.c (const_binop): Don't constant fold the operation
+ if the result has overflowed and flag_trapping_math.
+ * simplify-rtx.c (simplify_const_binary_operation): Likewise.
+
+2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/arm/unwind-arm.c (abort): Add prototype here.
+ (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
+ (struct phase1_vrs): Add prev_sp.
+ (unwind_phase2_forced): Save the original core registers instead of
+ modifying entry_vrs. Take a new flag argument for resuming unwinding
+ and set action flags accordingly. Always set _US_END_OF_STACK when
+ get_eit_entry fails. Unwind before calling the stop function.
+ (_Unwind_GetCFA): New function.
+ (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
+ (__gnu_Unwind_Resume_or_Rethrow): Likewise.
+ (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
+ just call unwind_phase2_forced.
+ (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
+ * config/arm/unwind-arm.h (abort): Remove prototype.
+ (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
+ prototypes.
+ (_Unwind_GetCFA): New prototype.
+ * config/arm/pr-support.c (abort): Add prototype here.
+ * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
+ forced unwinding.
+ * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
+ not schedule the prologue with non-call exceptions and EABI.
+
+2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/arm/unwind-arm.h: Reorder interface function declarations.
+ (_URC_END_OF_STACK): New enumeration value.
+ (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
+ (struct _Unwind_Control_Block): Document reserved field use.
+ (_Unwind_Stop_Fn): New typedef.
+ (_Unwind_ForcedUnwind): Declare.
+ (_Unwind_Resume_or_Rethrow): Declare.
+ * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
+ argument. Adjust.
+ (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
+ * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
+ (UCB_FORCED_STOP_ARG): New.
+ (search_EIT_table): Update boundary condition checks.
+ (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
+ (unwind_phase2): Replace for with do..while.
+ (unwind_phase2_forced): New.
+ (__gnu_Unwind_RaiseException): Replace for with do..while.
+ (__gnu_Unwind_ForcedUnwind): New.
+ (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
+ Use appropriate phase2 unwinder.
+ (__gnu_Unwind_Resume_or_Rethrow): New.
+ (__gnu_unwind_pr_common): Cope with forced unwinding.
+
+2005-11-16 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/24772
+ * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
+
+ * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
+ roundsf2): Remove "s" from mnemonic.
+
+2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
+ __PIC__ is defined.
+ * config/bfin/crtn.s: Change epilogues to match.
+ * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
+ __PIC__ and __pic__.
+
+2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
+
+ PR 24357
+ * doc/invoke.texi: Distinguish between free and fixed form instead of
+ Fortran and Fortran 90/95. Remove ratfor from the list of supported
+ languages.
+ * gcc.c (default_compilers): Remove double entries, add entries for
+ suffixes '.F90' and '.F95'.
+
+2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
+ in the stack probing loop.
+
+2005-11-15 David Edelsohn <edelsohn@gnu.org>
+
+ * configure.ac: Use .machine power5 not power5x.
+ * configure: Regenerate.
+
+2005-11-15 Mike Stump <mrs@apple.com>
+
+ * c-decl.c (lookup_name_two): Add.
+ * c-tree.h (lookup_name_two): Likewise.
+ * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
+ * config/darwin-c.c (darwin_pragma_unused): Likewise.
+
+2005-11-16 Alan Modra <amodra@bigpond.net.au>
+
+ PR rtl-optimization/23392
+ * regrename.c (enum scan_actions) Add mark_access.
+ (scan_actions_name): Ditto.
+ (scan_rtx_reg): Handle mark_access.
+ (scan_rtx_address): Do nothing for mark_access.
+ (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
+ and regs in REG_INC notes before closing chains for dead regs.
+ Mark destination regs in REG_FRAME_RELATED_EXPR notes after
+ opening chains for new writes.
+
2005-11-15 David Edelsohn <edelsohn@gnu.org>
* c.opt (ffixed-line-length-none): New.
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