2008-08-13  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/15255
	* tree-ssa-reassoc.c (linearize_expr_tree): Declare.
	(struct oecount_s): New struct and VEC types.
	(cvec): New global.
	(oecount_hash): New function.
	(oecount_eq): Likewise.
	(oecount_cmp): Likewise.
	(zero_one_operation): New function.
	(build_and_add_sum): Likewise.
	(undistribute_ops_list): Perform un-distribution of multiplication
	and division on the chain of summands.
	(should_break_up_subtract): Also break up subtracts for factors.
	(reassociate_bb): Delete dead visited statements.
	Call undistribute_ops_list.  Re-sort and optimize if it did something.
	* passes.c (init_optimization_passes): Move DSE before
	reassociation.
	* tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
	PHI nodes.

	* gcc.dg/tree-ssa/reassoc-14.c: New testcase.
	* gcc.dg/tree-ssa/reassoc-15.c: Likewise.
	* gcc.dg/tree-ssa/reassoc-16.c: Likewise.
	* gcc.dg/torture/reassoc-1.c: Likewise.
	* gcc.dg/tree-ssa/recip-2.c: Adjust.
	* gcc.dg/tree-ssa/recip-6.c: Likewise.
	* gcc.dg/tree-ssa/recip-7.c: Likewise.
	* gfortran.dg/reassoc_4.f: Likewise.

From-SVN: r139048

From-SVN: r139045

From-SVN: r139042

re PR libstdc++/37100 (/usr/lib/gcc/x86_64-pc-linux-gnu/4.1.2/include/g++-v4/bits/stl_pair.h:99: error 404)

2008-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/37100
	* include/bits/stl_pair.h: Fix documentation URL in comment.

From-SVN: r139040

	* gcc.target/i386/pr32000-2.c: Use dg-skip-if for target expression.
	* gcc.target/i386/stackalign/return-3.c: Ditto.
	* gcc.target/sparc/ultrasp3.c: Ditto.
	* lib/target-supports-dg.exp (dg-require-effective-target): Error
	if argument is not a single effective-target keyword.

From-SVN: r139039

From-SVN: r139038

	PR testsuite/36087
	* gcc.dg/var-expand3.c: Fix name of dump file.

From-SVN: r139037

2008-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.old-deja/g++.other/decl5.C: Expand new expected errors.

From-SVN: r139036

2008-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.old-deja/g++.other/decl5.C: Expand new expected errors.

From-SVN: r139035

/cp
2008-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/37087
	* parser.c (cp_parser_class_head): Early return error_mark_node in
	case of global qualification of class name or qualified name that
	does not name a class.

/testsuite
2008-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/37087
	* g++.dg/template/crash80.C: New.
	* g++.old-deja/g++.other/decl5.C: Adjust.

From-SVN: r139034

	PR libgomp/26165

	* gcc.c (include_spec_function): Tweak call to find_a_file.

From-SVN: r139031

	PR middle-end/37014
	* expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
	and TRUTH_ORIF_EXPR.
	* dojump.c (do_jump): Likewise.

	* gcc.c-torture/compile/20080812-1.c: New test.

From-SVN: r139029

	PR tree-optimization/37084
	* tree-inline.c (copy_bb): Call gimple_regimplify_operands
	if id->regimplify, don't assume stmt is a cast assignment.

	* g++.dg/tree-ssa/pr37084.C: New test.

From-SVN: r139028

        * include/paralle/losertree.h
        (LoserTreePointerBase<>::~LoserTreePointerBase):
        Replace delete by appropriate delete[].

From-SVN: r139026

From-SVN: r139025

From-SVN: r139024

	PR bootstrap/37097
	* builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
	by last change.
-This line, and those below, will be ignored--

M    gcc/builtins.c
M    gcc/ChangeLog

From-SVN: r139019

ChangeLog:

	* defaults.h (TARGET_FLOAT_FORMAT): Remove.
	(UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.

	* config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
	* config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
	* config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
	* config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
	* config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.

	* doc/tm.texi (Storage Layout): Remove documentation for
	TARGET_FLOAT_FORMAT.

	* simplify-rtx.c (simplify_binary_operation_1): Replace
	TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.

java/ChangeLog:

	* typeck.c (convert): Do not check for TARGET_FLOAT_FORMAT.

From-SVN: r139017

	* real.h (struct real_format): New member has_sign_dependent_rounding.
	* real.c (ieee_single_format, mips_single_format, motorola_single_format,
	spu_single_format, ieee_double_format, mips_double_format,
	motorola_double_format, ieee_extended_motorola_format,
	ieee_extended_intel_96_format, ieee_extended_intel_128_format,
	ieee_extended_intel_96_round_53_format, ibm_extended_format,
	mips_extended_format, ieee_quad_format, mips_quad_format,
	vax_f_format, vax_d_format, vax_g_format): Initialize it.
	* config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.

	* defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
	MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
	* config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
	MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
	(ROUND_TOWARDS_ZERO): Likewise.

	* real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
	(FLOAT_MODE_FORMAT): New macro.
	(REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
	(MODE_COMPOSITE_P): ... this new macro.
	(MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
	MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
	* machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.

	* flags.h: Include "real.h".

	* fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
	REAL_MODE_FORMAT_COMPOSITE_P.
	* simplify-rtx.c (simplify_const_binary_operation): Likewise.

	* doc/tm.texi (Storage Layout): Remove documentation of
	MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
	MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
	ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
	they only apply to libgcc2.a.

From-SVN: r139016

	* config/spu/float_disf.c: New file.
	* config/spu/float_unsdisf.c: New file.
	* config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
	(LIB2FUNCS_EXCLUDE): Define.

From-SVN: r139015

ChangeLog:

	* real.h (struct real_format): New member round_towards_zero.
	* real.c (round_for_format): Respect fmt->round_towards_zero.
	(ieee_single_format, mips_single_format, motorola_single_format,
	spu_single_format, ieee_double_format, mips_double_format,
	motorola_double_format, ieee_extended_motorola_format,
	ieee_extended_intel_96_format, ieee_extended_intel_128_format,
	ieee_extended_intel_96_round_53_format, ibm_extended_format,
	mips_extended_format, ieee_quad_format, mips_quad_format,
	vax_f_format, vax_d_format, vax_g_format): Initialize it.
	* config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.

	* builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
	real_format to choose rounding mode when calling MPFR functions.
	(do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
	(do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.

	* real.h (real_to_decimal_for_mode): Add prototype.
	* real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
	Respect target rounding mode when generating decimal representation.
	(real_to_decimal): New stub for backwards compatibility.
	* c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
	real_to_decimal_for_mode instead of real_to_decimal.

	* config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.


testsuite/ChangeLog:

	* gcc.c-torture/execute/20031003-1.c (main): Update test to
	accommodate SPU single-precision rounding mode.
	* gcc.c-torture/execute/conversion.c (test_float_to_integer,
	test_float_to_longlong_integer): Likewise.
	* gcc.c-torture/execute/ieee/rbug.c (main): Likewise.
	* gcc.dg/hex-round-1.c: Skip test on SPU.
	* gcc.dg/hex-round-2.c: Likewise.

Co-Authored-By: Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>

From-SVN: r139014

ChangeLog:

	* real.c (spu_single_format): New variable.
	* real.h (spu_single_format): Declare.

	* config/spu/spu.c (spu_override_options): Install SFmode format.
	(spu_split_immediate): Use integer mode to operate on pieces of
	floating-point values in all cases.

	* config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
	("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
	("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.

testsuite/ChangeLog:

	* gcc.c-torture/execute/ieee/inf-2.c (testf): Skip on the SPU.

Co-Authored-By: Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>

From-SVN: r139013

From-SVN: r139011

From-SVN: r139009

2008-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

	* configure.ac: Run unconditionally GLIBCXX_CHECK_INT64_T and
	GLIBCXX_CHECK_C99_TR1; remove sigsetjmp and mmap checks (unused).
	* crossconfig.m4: Adjust; remove HAVE_GETPAGESIZE defines (unused).
	* configure: Regenerate.
	* config.h.in: Likewise.

	* acinclude.m4: Minor formatting fixes.

From-SVN: r139008

From-SVN: r139005

	PR c++/36688
	* gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
	on the VAR_DECL instead of TYPE_READONLY on its type.

	* g++.dg/init/const6.C: New test.

From-SVN: r139004

From-SVN: r138995

	* tree-vectorizer.c: Depend on langhooks.h.
	(supportable_widening_operation): Add two arguments. Support double
	type conversions.
	(supportable_narrowing_operation): Likewise.
	* tree-vectorizer.h (supportable_widening_operation): Add two
	arguments.
	(supportable_narrowing_operation): Likewise.
	* tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
	supportable_widening_operation with correct arguments.
	* tree-vect-transform.c (vectorizable_conversion): Likewise.
	(vectorizable_type_demotion): Support double type conversions.
	(vectorizable_type_promotion): Likewise.
	* Makefile.in (tree-vectorizer.o): Depend on langhooks.h.

From-SVN: r138988

	* gcc-interface/Makefile.in (EXTRA_GNATRTL_NONTASKING_OBJS) [WINDOWS]: Remove
	duplicate s-win32.o. Add s-winext.o.

From-SVN: r138978

	* g-stsifd-sockets.adb (Create): Replace Constants.SOCK_STREAM
	with SOSC.SOCK__STREAM.
	* g-socthi-mingw.adb (C_Select) Replace Constants.MSG_OOB with
	SOSC.MSG_OOB.

From-SVN: r138974

From-SVN: r138970

From-SVN: r138967

2008-08-11  Paolo Carlini  <paolo.carlini@oracle.com>

	* config/locale/generic/c_locale.cc: Include <cstdio>.

From-SVN: r138966

2008-08-11  Joel Sherrill  <joel.sherrill@oarcorp.com>

    gcc/ada/
	* s-oscons-tmplt.c: RTEMS defines AF_INET6 but does support it.
	* gsocket.h, socket.c: Update to support RTEMS.
	* gcc-interface/Make-lang.in: Include CFLAGS_FOR_TARGET when cross.

From-SVN: r138957

2008-08-11  Paolo Carlini  <paolo.carlini@oracle.com>

	* configure.ac: Run GLIBCXX_CHECK_STDIO_MACROS unconditionally.
	* configure: Regenerate.

From-SVN: r138954

        * i386/i386.c: (override_options): Move initialisation from
        flag_schedule_insns_after_reload to here from ...
        (optimization_options): ... here.

From-SVN: r138953

	PR rtl-optimization/36998
	* dwarf2out.c (compute_barrier_args_size_1,
	compute_barrier_args_size): Temporarily remove assertions.

	* gcc.dg/pr36998.c: New test.

From-SVN: r138951

2008-08-11  Andreas Krebbel  <krebbel1@de.ibm.com>

	* gcc.target/s390/20080806-1.c: Move testcase ...
 	* gcc.c-torture/compile/20080806-1.c: ... to here and make it
	stack size sensitive.

From-SVN: r138950

From-SVN: r138939