* dependency.c (gfc_is_same_range): Compare the stride, lower and
	upper bounds when testing array reference ranges for equality.

	(gfc_check_dependency): Fix indentation whitespace.
	(gfc_check_element_vs_element): Likewise.
	(gfc_dep_resolver): Likewise.

From-SVN: r111601

	* tree-vrp.c (extract_range_from_assert): Remove special
	handling for types with super-types.

From-SVN: r111600

2006-02-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/26136
	* gfortran.dg/namelist_23.f90: New test.

From-SVN: r111598

2006-02-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/26136
	* io/io.h: Add flag for reading from line_buffer.
	* io/list_read.c (l_push_char): New function to save namelist
	input when reading logicals.
	(free_line): New function to free line_buffer memory.
	(next_char): Added feature to read from line_buffer.
	(read_logical): Use new functions to test for '=' after reading a
	logical value, checking for possible variable name.
	(namelist_read): Use free_line when all done.

From-SVN: r111597

	* config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
	and powerpc64-*-linux* configurations.
	* config/t-dfprules: New file.

From-SVN: r111596

	* mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
	Compile dfp-bit.c from the source directory using -DWIDTH and
	$DFP_CFLAGS to control the compilation of that file, rather than
	generating width-specific versions in the build directory.
	* Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
	(LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].

From-SVN: r111595

	* doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
	continues to work.

From-SVN: r111594

From-SVN: r111590

2006-02-28  Eric Christopher  <echristo@apple.com>

        * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
        Set up IN_LIBGCC definition of TARGET_64BIT.
        * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.

From-SVN: r111584

2006-03-01  Andreas Tobler  <a.tobler@schweiz.ch>

	* testsuite/libffi.special/unwindtest.cc (closure_test_fn): Mark cif,
	args and userdata unused.
	(closure_test_fn1): Mark cif and userdata unused.
	(main): Remove unused res.

From-SVN: r111583

2006-02-28  Andreas Tobler  <a.tobler@schweiz.ch>

	* testsuite/libffi.call/call.exp: Adjust FSF address. Add test runs for
	-O2, -O3, -Os and the warning flags -W -Wall.
	* testsuite/libffi.special/special.exp: Likewise.
	* testsuite/libffi.call/ffitest.h: Add an __UNUSED__ macro to mark
	unused parameter unused for gcc or else do nothing.
	* testsuite/libffi.special/ffitestcxx.h: Likewise.
	* testsuite/libffi.call/cls_12byte.c (cls_struct_12byte_gn): Mark cif
	and userdata unused.
	* testsuite/libffi.call/cls_16byte.c (cls_struct_16byte_gn): Likewise.
	* testsuite/libffi.call/cls_18byte.c (cls_struct_18byte_gn): Likewise.
	* testsuite/libffi.call/cls_19byte.c (cls_struct_19byte_gn): Likewise.
	* testsuite/libffi.call/cls_1_1byte.c (cls_struct_1_1byte_gn): Likewise.
	* testsuite/libffi.call/cls_20byte.c (cls_struct_20byte_gn): Likewise.
	* testsuite/libffi.call/cls_20byte1.c (cls_struct_20byte_gn): Likewise.
	* testsuite/libffi.call/cls_24byte.c (cls_struct_24byte_gn): Likewise.
	* testsuite/libffi.call/cls_2byte.c (cls_struct_2byte_gn): Likewise.
	* testsuite/libffi.call/cls_3_1byte.c (cls_struct_3_1byte_gn): Likewise.
	* testsuite/libffi.call/cls_3byte1.c (cls_struct_3byte_gn): Likewise.
	* testsuite/libffi.call/cls_3byte2.c (cls_struct_3byte_gn1): Likewise.
	* testsuite/libffi.call/cls_4_1byte.c (cls_struct_4_1byte_gn): Likewise.
	* testsuite/libffi.call/cls_4byte.c (cls_struct_4byte_gn): Likewise.
	* testsuite/libffi.call/cls_5_1_byte.c (cls_struct_5byte_gn): Likewise.
	* testsuite/libffi.call/cls_5byte.c (cls_struct_5byte_gn): Likewise.
	* testsuite/libffi.call/cls_64byte.c (cls_struct_64byte_gn): Likewise.
	* testsuite/libffi.call/cls_6_1_byte.c (cls_struct_6byte_gn): Likewise.
	* testsuite/libffi.call/cls_6byte.c (cls_struct_6byte_gn): Likewise.
	* testsuite/libffi.call/cls_7_1_byte.c (cls_struct_7byte_gn): Likewise.
	* testsuite/libffi.call/cls_7byte.c (cls_struct_7byte_gn): Likewise.
	* testsuite/libffi.call/cls_8byte.c (cls_struct_8byte_gn): Likewise.
	* testsuite/libffi.call/cls_9byte1.c (cls_struct_9byte_gn): Likewise.
	* testsuite/libffi.call/cls_9byte2.c (cls_struct_9byte_gn): Likewise.
	* testsuite/libffi.call/cls_align_double.c (cls_struct_align_gn):
	Likewise.
	* testsuite/libffi.call/cls_align_float.c (cls_struct_align_gn):
	Likewise.
	* testsuite/libffi.call/cls_align_longdouble.c (cls_struct_align_gn):
	Likewise.
	* testsuite/libffi.call/cls_align_pointer.c (cls_struct_align_fn): Cast
	void* to avoid compiler warning.
	(main): Likewise.
	(cls_struct_align_gn): Mark cif and userdata unused.
	* testsuite/libffi.call/cls_align_sint16.c (cls_struct_align_gn):
	Likewise.
	* testsuite/libffi.call/cls_align_sint32.c (cls_struct_align_gn):
	Likewise.
	* testsuite/libffi.call/cls_align_sint64.c (cls_struct_align_gn):
	Likewise.
	* testsuite/libffi.call/cls_align_uint16.c (cls_struct_align_gn):
	Likewise.
	* testsuite/libffi.call/cls_align_uint32.c (cls_struct_align_gn):
	Likewise.
	* testsuite/libffi.call/cls_double.c (cls_ret_double_fn): Likewise.
	* testsuite/libffi.call/cls_float.c (cls_ret_float_fn): Likewise.
	* testsuite/libffi.call/cls_multi_schar.c (test_func_gn): Mark cif and
	data unused.
	(main): Cast res_call to silence gcc.
	* testsuite/libffi.call/cls_multi_sshort.c (test_func_gn): Mark cif and
	data unused.
	(main): Cast res_call to silence gcc.
	* testsuite/libffi.call/cls_multi_sshortchar.c (test_func_gn): Mark cif
	and data unused.
	(main): Cast res_call to silence gcc.
	* testsuite/libffi.call/cls_multi_uchar.c (test_func_gn): Mark cif and
	data unused.
	(main): Cast res_call to silence gcc.
	* testsuite/libffi.call/cls_multi_ushort.c (test_func_gn): Mark cif and
	data unused.
	(main): Cast res_call to silence gcc.
	* testsuite/libffi.call/cls_multi_ushortchar.c (test_func_gn): Mark cif
	and data unused.
	(main): Cast res_call to silence gcc.
	* testsuite/libffi.call/cls_schar.c (cls_ret_schar_fn): Mark cif and
	userdata unused.
	(cls_ret_schar_fn): Cast printf parameter to silence gcc.
	* testsuite/libffi.call/cls_sint.c (cls_ret_sint_fn): Mark cif and
	userdata unused.
	(cls_ret_sint_fn): Cast printf parameter to silence gcc.
	* testsuite/libffi.call/cls_sshort.c (cls_ret_sshort_fn): Mark cif and
	userdata unused.
	(cls_ret_sshort_fn): Cast printf parameter to silence gcc.
	* testsuite/libffi.call/cls_uchar.c (cls_ret_uchar_fn):  Mark cif and
	userdata unused.
	(cls_ret_uchar_fn): Cast printf parameter to silence gcc.
	* testsuite/libffi.call/cls_uint.c (cls_ret_uint_fn): Mark cif and
	userdata unused.
	(cls_ret_uint_fn): Cast printf parameter to silence gcc.
	* testsuite/libffi.call/cls_ulonglong.c (cls_ret_ulonglong_fn): Mark cif
	and userdata unused.
	* testsuite/libffi.call/cls_ushort.c (cls_ret_ushort_fn): Mark cif and
	userdata unused.
	(cls_ret_ushort_fn): Cast printf parameter to silence gcc.
	* testsuite/libffi.call/float.c (floating): Remove unused parameter e.
	* testsuite/libffi.call/float1.c (main): Remove unused variable i.
	Cleanup white spaces.
	* testsuite/libffi.call/negint.c (checking): Remove unused variable i.
	* testsuite/libffi.call/nested_struct.c (cls_struct_combined_gn): Mark
	cif and userdata unused.
	* testsuite/libffi.call/nested_struct1.c (cls_struct_combined_gn):
	Likewise.
	* testsuite/libffi.call/nested_struct10.c (B_gn): Likewise.
	* testsuite/libffi.call/nested_struct2.c (B_fn): Adjust printf
	formatters to silence gcc.
	(B_gn): Mark cif and userdata unused.
	* testsuite/libffi.call/nested_struct3.c (B_gn): Mark cif and userdata
	unused.
	* testsuite/libffi.call/nested_struct4.c: Mention related PR.
	(B_gn): Mark cif and userdata unused.
	* testsuite/libffi.call/nested_struct5.c (B_gn): Mark cif and userdata
	unused.
	* testsuite/libffi.call/nested_struct6.c: Mention related PR.
	(B_gn): Mark cif and userdata unused.
	* testsuite/libffi.call/nested_struct7.c (B_gn): Mark cif and userdata
	unused.
	* testsuite/libffi.call/nested_struct8.c (B_gn): Likewise.
	* testsuite/libffi.call/nested_struct9.c (B_gn): Likewise.
	* testsuite/libffi.call/problem1.c (stub): Likewise.
	* testsuite/libffi.call/pyobjc-tc.c (main): Cast the result to silence
	gcc.
	* testsuite/libffi.call/return_fl2.c (return_fl): Add the note mentioned
	in the last commit for this test case in the test case itself.
	* testsuite/libffi.call/closure_fn0.c (closure_test_fn0): Mark cif as
	unused.
	* testsuite/libffi.call/closure_fn1.c (closure_test_fn1): Likewise.
	* testsuite/libffi.call/closure_fn2.c (closure_test_fn2): Likewise.
	* testsuite/libffi.call/closure_fn3.c (closure_test_fn3): Likewise.
	* testsuite/libffi.call/closure_fn4.c (closure_test_fn0): Likewise.
	* testsuite/libffi.call/closure_fn5.c (closure_test_fn5): Likewise.
	* testsuite/libffi.call/closure_fn6.c (closure_test_fn0): Likewise.

From-SVN: r111582

re PR tree-optimization/14752 ([tree-ssa] "~a" should be changed to "a" if used in the condition of an if statement)


	PR middle-end/14752
	* c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
	BIT_XOR_EXPR, BIT_AND_EXPR>: Delete.  Let fold optimize these
	cases via the construction of "expr != 0".

	* gcc.dg/fold-eqandshift-2.c: New test case.

From-SVN: r111575

	* alias.c (alias_invariant, alias_invariant_size): Remove.
	(record_base_value): Remove.
        (memrefs_conflict_p): Don't look at alias_invariant.
        (end_alias_analysis): Don't free it.
        * alias.h (record_base_value): Remove prototype.

From-SVN: r111574

	* rtl.h (truncated_to_mode): Declare it.
	(struct rtl_hooks): Add reg_truncated_to_mode hook.
	* rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
	(RTL_HOOKS_INITIALIZER): Include it.
	* rtlhooks.c (reg_truncated_to_mode_general): New function.
	* combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
	reg_truncated_to_mode.
	* rtlanal.c (truncated_to_mode): Define it.
	* simplify-rtx.c (simplify_unary_operation_1): Use it.

Co-Authored-By: Adam Nemet <anemet@caviumnetworks.com>

From-SVN: r111573

tree-chrec.c (chrec_convert_aggressive): Do not eliminate conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover...

        * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
        conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
        the range allowed by TYPE_PRECISION.

From-SVN: r111568

        * tree.h (strct phi_arg_d): Remove unused NONZERO field.

From-SVN: r111567

2006-02-28  Richard Guenther  <rguenther@suse.de>

        * gcc.dg/tree-ssa/pr26421.c: Fix testcase to force struct
        decomposition.

From-SVN: r111566

re PR bootstrap/26055 (libgcc-math declaration of __isinf conflicts with system header, fails bootstrap)

2006-02-28  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/26055
	Revert
	* configure.ac: Disable libgcc-math if we cannot mix
	declaration of __isinf and math.h inclusion.
	* configure: Re-generate.

	* i386/Makefile.am: Use -std=c99, do not use -ffinite-math-only,
	do not define __NO_MATH_INLINES.
	* i386/Makefile.in: Re-generate.
	* include/math_private.h (__atanf): Declare.
	(__scalbnf): Likewise.
	(__floorf): Likewise.
	(__isinff): Likewise.
	(__scalbn): Likewise.
	(__floor): Likewise.
	(fabs): Likewise.
	(fabsf): Likewise.
	* flt-32/e_acosf.c: Do not include math.h
	* flt-32/s_isinff.c: Likewise.
	* flt-32/k_tanf.c: Likewise.
	* flt-32/e_sqrtf.c: Likewise.
	* flt-32/e_asinf.c: Likewise.
	* flt-32/k_cosf.c: Likewise.
	* flt-32/k_sinf.c: Likewise.
	* flt-32/s_floorf.c: Likewise.
	* flt-32/s_tanf.c: Likewise.
	* flt-32/s_atanf.c: Likewise.
	* flt-32/s_cosf.c: Likewise.
	* flt-32/e_atan2f.c: Likewise.
	* flt-32/e_powf.c: Likewise.
	* flt-32/s_sinf.c: Likewise.
	* flt-32/e_rem_pio2f.c: Likewise.
	* flt-32/s_scalbnf.c: Likewise.
	* flt-32/e_logf.c: Likewise.
	* flt-32/e_log10f.c: Likewise.
	* flt-32/k_rem_pio2f.c: Likewise.
	* flt-32/e_expf.c: Likewise.  Use __builtin_isless and
	__builtin_isgreater.
	* dbl-64/s_floor.c: Do not include math.h.
	* dbl-64/e_log10.c: Likewise.
	* dbl-64/k_rem_pio2.c: Likewise.
	* dbl-64/s_atan.c: Likewise.
	* dbl-64/s_scalbn.c: Likewise.
	* dbl-64/s_isinf.c: Likewise.
	* dbl-64/s_tan.c: Likewise.
	* dbl-64/e_rem_pio2.c: Likewise.  Avoid uninitialized variable
	warning.
	* dbl-64/mpa.c: Likewise.

From-SVN: r111563

2006-02-28  Thomas Koenig  <Thomas.Koenig@online.de>

	* trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc):
	If the mask expression exists and has rank 0, enclose the
	generated loop in an "if (mask)".  Put the default
	initialization into the else branch.

2006-02-28  Thomas Koenig  <Thomas.Koenig@online.de>

	* scalar_mask_1.f90:  Add tests for maxloc with scalar mask.

From-SVN: r111562

From-SVN: r111518

        PR tree-optimization/26419
        * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
        values of n.

From-SVN: r111516

From-SVN: r111513

From-SVN: r111509

	(define_memory_constraint, define_address_constraint): New MD forms.
	* gensupport.c (process_rtx): Put define_constraint etc on the
	predicate queue.
	* genpreds.c (process_define_predicate): Adjust comment.  Validate
	the name, and call validate_exp to validate the expression.
	(mark_mode_tests, write_extract_subexp): Can assume correct input.
	(write_predicate_expr): Likewise.  NAME argument no longer necessary;
	all callers changed.
	(validate_exp, needs_variable, struct constraint_data)
	(constraints_by_letter_table, first_constraint, last_constraint_ptr)
	(FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
	(const_dbl_constraints, constraint_max_namelen)
	(have_register_constraints, have_memory_constraints)
	(have_address_constraints, have_address_constraints)
	(have_extra_constraints, have_const_int_constraints)
	(have_const_dbl_constraints, mangle, add_constraint)
	(process_define_constraint, process_define_register_constraint)
	(write_enum_constraint_num, write_lookup_constraint)
	(write_insn_constraint_len, write_regclass_for_constraint)
	(write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
	(write_insn_extra_memory_constraint)
	(write_insn_extra_address_constraint)
	(write_satisfies_constraint_fns): New.
	(write_tm_preds_h): If we have new-style constraint definitions,
	prototype the functions generated from them, and define the
	old constraint interface (still used by generic code) in terms of
	those functions.
	(write_insn_preds_c): If we have new-style constraint definitions,
	generate all relevant functions from those definitions.
	(main): Handle define_constraint etc.
	* genoutput.c (struct constraint_data, indep_constraints)
	(mdep_constraint_letters, constraints_by_letter_table, note_constraint)
	(mdep_constraint_len): New data structures and functions, defined
	#ifdef USE_MD_CONSTRAINTS.
	(check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
	(validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
	use new logic to validate operand constraints against constraint
	definitions.
	(main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
	defined.
	* defaults.h: If none of the old-style constraint macros are
	defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
	old-style macros; and poison REG_CLASS_FROM_LETTER,
	CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
	EXTRA_CONSTRAINT.
	* recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
	* doc/md.texi: Document new constraint-definition mechanism and the
	C interface it provides.  Remove references to old mechanism
 	elsewhere in the document.
	(Machine Constraints): Use pathnames relative to gcc directory,
	i.e. config/ARCH/FILE.  Change i386 section to refer to
	config/i386/predicates.md; update that section to match docstrings.
	* doc/tm.texi: Move all documentation of the old constraint-
	definition macros to their own section, clearly mark as obsolete.

	* config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
	(u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
	definitions.
	* config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
	(CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
	* config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
	constraint strings.
	(splits and peepholes): Use satisfies_constraint_*.
	* config/i386/i386.c (memory_address_length)
	(ix86_attr_length_immediate_default): Use satisfies_constraint_*.

From-SVN: r111508

2006-02-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/26464
	* gfortran.dg/backspace_5.f: New test.
	* gfortran.dg/backspace_6.f: New test.

From-SVN: r111507

2006-02-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/26464
	* io/file_pos.c (st_backspace): Flush and truncate file
	when in AFTER_ENDFILE condition.
	* io/transfer.c (st_read_done): Remove flush, no longer needed.

From-SVN: r111506

	PR 26473
	* configure.ac (ACX_NONCANONICAL_TARGET): Use it.
	* Makefile.am (target_noncanonical): Define.
	(libsubincludedir): New variable.
	(nobase_libsubinclude_HEADERS): Likewise.
	(nobase_include_HEADERS): Remove.
	* configure: Regenerated.
	* Makefile.in: Likewise.
	* aclocal.m4: Regenerated.

From-SVN: r111501

From-SVN: r111498

2006-02-27  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (can_convert_to_perfect_nest): Allow any type of

From-SVN: r111489

	PR other/26208
	* unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
	(extract_cie_info): Handle S flag in augmentation string.
	(execute_cfa_program): If context->signal_frame, execute also
	fs->pc == context->ra instructions.
	(uw_frame_state_for): If context->signal_frame, don't subtract one
	from context->ra to find FDE.
	(uw_update_context_1): Set context->signal_frame to
	fs->signal_frame.
	(_Unwind_GetIPInfo): New function.
	* unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
	* unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
	of _Unwind_GetIP.
	* unwind-sjlj.c (_Unwind_GetIPInfo): New function.
	* unwind-generic.h (_Unwind_GetIPInfo): New prototype.
	* unwind-compat.c (_Unwind_GetIPInfo): New function.
	* libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
	* config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
	* config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
	* config/i386/linux-unwind.h (x86_fallback_frame_state,
	x86_64_fallback_frame_state): Set fs->signal_frame.
	* config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
	(MD_FROB_UPDATE_CONTEXT): Define unconditionally.
	(frob_update_context): Likewise.  Workaround missing S flag in
	Linux 2.6.12 - 2.6.16 kernel vDSOs.
	* config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
	Remove the psw_addr + 1 hack.
libjava/
	* exception.cc (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
	of _Unwind_GetIP.
	* include/i386-signal.h (MAKE_THROW_FRAME): Change into empty macro.
	(HANDLE_DIVIDE_OVERFLOW): Don't adjust _res->eip if falling through
	to throw.
	* include/x86_64-signal.h (MAKE_THROW_FRAME): Change into empty
	macro.
	* include/powerpc-signal.h (MAKE_THROW_FRAME): Change into empty
	macro.
libstdc++-v3/
	* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Use
	_Unwind_GetIPInfo instead of _Unwind_GetIP.

From-SVN: r111488

2006-02-27  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (get_constraint_for): Move code to deal
	with aggregates here.
	(find_func_aliases): Remove code for &<aggregate> from here.

From-SVN: r111487

From-SVN: r111486

2006-02-27  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/14866
	* testsuite/27_io/ios_base/sync_with_stdio/1.cc: Redirect
	stderr instead.

From-SVN: r111475

2006-02-27  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/14866
	* testsuite/27_io/ios_base/sync_with_stdio/1.cc: Redirect
	stderr instead.

From-SVN: r111474

	* Add <tr1/cstdbool> and <tr1/stdbool.h>, missing from
	the last commit.

From-SVN: r111472

	* fold-const.c (fold_binary) <EQ_EXPR>:  Fold (~X & C) eq/ne 0 as
	(X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
	Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
	as (X & C) ne/eq 0.

	* gcc.dg/fold-eqandnot-1.c: New test case.

From-SVN: r111471

	PR middle-end/19983
	* real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.

	* gcc.c-torture/execute/ieee/builtin-nan-1.c: New test case.

From-SVN: r111470

	* opts.c (decode_options): Do not handle flag_strength_reduce.
	(common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
	and OPT_fstrength_reduce.
	* tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
	flag_prefetch_loop_arrays for being nonzero.
	* common.opt (floop-optimize, frerun-loop-opt): Resurrected as
	no-ops.
	(fprefetch-loop-arrays-rtl): Removed.
	(flag_prefetch_loop_arrays): Do not specify the value.

	* doc/passes.texi: Update documentation of loop optimizer
	passes.
	* doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
	-frerun-loop-opt): Remove.

	* gcc.target/i386/20000614-2.c: Do not use -fno-strength-reduce.
	* gcc.dg/20030324-1.c: Do not use -fstrength-reduce.

From-SVN: r111469

From-SVN: r111467

re PR tree-optimization/26421 (tree-ssa-alias.c:find_used_portions considers foo(&var) use all elements of var)

2006-02-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/26421
	* tree-ssa-alias.c (find_used_portions): Don't treat parameters
	in function calls that are ADDR_EXPRs as using the whole structure.

	* gcc.dg/tree-ssa/pr26421.c: New testcase.

From-SVN: r111461