2007-11-09 Richard Guenther <rguenther@suse.de>
* bitmap.h (bitmap_single_bit_set_p): Declare.
* bitmap.c (bitmap_single_bit_set_p): New function.
* tree-ssa-alias.c (add_may_alias_for_new_tag): Use it.
(maybe_create_global_var): Use bitmap_empty_p.
From-SVN: r130045
PR rtl-optimization/34012
* fwprop.c (try_fwprop_subst): Do not replace if the new
SET_SRC has a higher cost than the old one.
* gcc.target/i386/pr34012.c: New test.
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r130043
PR rtl-optimization/33732
* reload.c (push_reload): Check that the REG_DEAD note was referring
to a hardreg or to a pseudo that has been assigned exactly one hardreg
before considering it in order to select the reload register.
(combine_reloads): Likewise.
(find_dummy_reload): Likewise.
From-SVN: r130042
2007-11-09 Richard Guenther <rguenther@suse.de>
* tree-flow.h (struct ptr_info_def): Make escape_mask a
ENUM_BITFIELD.
(struct ptr_info_def): Likewise.
(enum escape_type): Also use bit zero.
From-SVN: r130041
2007-11-09 Richard Guenther <rguenther@suse.de>
PR tree-optimization/33604
* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
Disregard changes in CV qualifiers of pointed to types for
forward propagating ADDR_EXPRs.
* tree-ssa-ccp.c (fold_stmt_r): Preserve volatileness of the original
expression.
* g++.dg/tree-ssa/pr33604.C: New testcase.
* gcc.dg/pr32721.c: Adjust pattern.
From-SVN: r130040
gcc/
* dse.c (find_shift_sequence): Always choose an integer mode for
new_mode.
(replace_read): Require both the read and store mode to be
integer ones. Remove a then-redundant FLOAT_P check.
gcc/testsuite/
* gcc.target/mips/dse-1.c: Disable.
From-SVN: r130039
2007-11-08 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (remove_referenced_var): If removing a
variable which has subvars, also remove those from
the referenced vars. Do not create a variable annotation.
From-SVN: r130030
* config/xtensa/xtensa.c (xtensa_expand_prologue): Remove first
argument for gen_entry calls.
* config/xtensa/xtensa.md: Add new "entry" value to "type" attribute.
(entry): Use the new attribute value. Remove unused first operand.
From-SVN: r130029
PR fortran/33739
* scanner.c (start_source_file, end_source_file,
exit_remaining_files): New functions.
(gfc_advance_line): Use the new functions.
From-SVN: r130016
2007-11-07 Kenneth Zadeck <zadeck@naturalbridge.com>
PR middle-end/33826
* ipa-pure-const (static_execute): Added code to keep recursive
functions from being marked as pure or const.
* ipa-utils (searchc): Fixed comment.
2007-11-08 Kenneth Zadeck <zadeck@naturalbridge.com>
PR middle-end/33826
* gcc.dg/pr33826.c: New.
* gcc.dg/tree-ssa/20030714-1.c: Removed two tests that depend on
recursive functions being marked pure or const.
From-SVN: r130006
2007-11-08 Paolo Carlini <pcarlini@suse.de>
* include/std/type_traits (__decay_selector<_Up, false, false>):
Change according to DR 705.
* include/bits/stl_pair.h (make_pair(_T1&&, _T2&&)): Change
according to DR 706.
* include/tr1_impl/tuple: Tweak.
From-SVN: r130001
PR target/16350
* config.gcc: For arm*b-* define TARGET_BIG_ENDIAN_DEFAULT.
* config/arm/linux-elf.h (TARGET_ENDIAN_DEFAULT): Define based on TARGET_BIG_ENDIAN_DEFAULT.
Use for MULTILIB_DEFAULTS.
(TARGET_DEFAULT): Set according to TARGET_ENDIAN_DEFAULT.
(LINUX_TARGET_LINK_SPEC): Pass -mlittle-endian on to the assembler.
* config/arm/linux-eabi.h (TARGET_LINKER_EMULATION): Set according to TARGET_BIG_ENDIAN_DEFAULT.
(SUBTARGET_EXTRA_LINK_SPEC): Likewise.
* gcc/config/arm/bpabi.h (TARGET_DEFAULT_MASK): Set according to TARGET_BIG_ENDIAN_DEFAULT.
From-SVN: r129999
PR 33870
* tree.h (struct tree_struct_field_tag): Add field in_nested_struct.
(SFT_IN_NESTED_STRUCT): Define.
* tree-dfa.c (dump_subvars_for): Show offset of each
sub-var.
* tree-flow.h (struct fieldoff): Add field in_nested_struct.
* tree-ssa-structalias.c (struct variable_info): Likewise.
(push_fields_onto_fieldstack): If OFFSET is positive,
set in_nested_struct.
(create_variable_info_for): Copy setting of
in_nested_struct from the field offset object.
(set_uids_in_ptset): Set SFT_IN_NESTED_STRUCT from the
variable info object.
* tree-ssa-operands.c (add_vars_for_offset): If VAR
belongs to a nested structure, adjust OFFSET by
SFT_OFFSET(VAR).
testsuite/ChangeLog
* gcc.c-torture/execute/pr33870.x: Remove.
From-SVN: r129976
PR rtl-optimization/33737
* cfgcleanup.c (try_crossjump_to_edge): Add count and frequency of
target block after computing the probabilities of outgoing edges.
Cap the frequency to BB_FREQ_MAX.
* tree-ssa-threadupdate.c (redirect_edges): Also adjust count and
frequency of the basic block if it has been reused.
From-SVN: r129973
gcc/ada/
* tracebak.c (i386 alternative): Remove useless comparaison
which is always false; LOWEST_ADDRESS is 0 and is never greater
than an unsigned integer.
From-SVN: r129964
gcc/ada/
* a-tasatt.adb: Use 'Access instead of 'Unchecked_Access when
applicable. Local lifetime is the one of the package.
(Set_Value): W is allocated on the heap.
* g-socket.adb: Use 'Access instead of 'Unchecked_Access when
applicable.
(Get_Socket_Option): Optlen formal of C_Getsockopt is of an anonymous
access type.
(Receive_Socket): Fromlen formal of C_Recvfrom is of an anonymous
access type.
* s-taasde.adb: Use 'Access instead of 'Unchecked_Access when
applicable.
(elaboration code): Timer_Queue lifetime is the one of the
package.
From-SVN: r129963
2007-11-07 Paolo Carlini <pcarlini@suse.de>
* include/bits/stl_iterator.h (move_iterator<>::pointer): Adjust
typedef per DR 680 [Ready].
From-SVN: r129959
2007-11-07 Olivier Hainque <hainque@adacore.com>
* decl.c (make_aligning_type): Set the mode of the RECORD_TYPE we
craft and expand comment.
testsuite/
* gnat.dg/max_align.adb: New test.
From-SVN: r129958
