* config/bfin/bfin.c (struct machine_function): New member
	has_loopreg_clobber.
	(bfin_expand_movmem): Set it when generating memcpy insns.
	(n_regs_saved_by_prologue, expand_prologue_reg_save,
	expand_epilogue_reg_restore): If we have hardware loops,
	memcpy insns (indicated by has_loopreg_clobber) or function
	calls, we need to save the loop registers.

From-SVN: r141425

	* MAINTAINERS (Various Maintainers): Add myself to reload.

From-SVN: r141424

From-SVN: r141422

2008-10-28  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (core2_cost): Fix typos in comments.

From-SVN: r141419

From-SVN: r141417

	PR tree-optimization/37663
	* gcc.dg/pr37663.c: Require int32plus.

From-SVN: r141414

	PR c/37924
	* combine.c (make_compound_operation): Don't call make_extraction with
	non-positive length.
	(simplify_shift_const_1): Canonicalize count even if complement_p.

	* gcc.c-torture/execute/pr37924.c: New test.

From-SVN: r141413

2008-10-28  Tobias Burnus  <burnus@net-b.de>

        * intrinsic.texi: Update OpenMP section for OMPv3.

From-SVN: r141408

convert.c (strip_float_extensions): Do not remove or introduce conversions between binary and decimal...

	* convert.c (strip_float_extensions): Do not remove or introduce
	conversions between binary and decimal floating-point types.

testsuite:
	* gcc.dg/dfp/convert-bfp-12.c: New test.

From-SVN: r141407

	PR middle-end/37931
	* fold-const.c (distribute_bit_expr): Convert common, left and
	right arguments to type.

	* gcc.c-torture/execute/pr37931.c: New test.

From-SVN: r141406

        * config/mn10300/mn10300.h (CALL_REALLY_USED_REGISTERS): Define.
        * config/mn10300/mn10300.c (fp_regs_to_save): Test the
        call_really_used_regs array rather than the call_used_regs array.
        (mn10300_get_live_callee_saved_regs, expand_prologue,
        expand_epilogue, output_tst): Likewise.

From-SVN: r141405

From-SVN: r141401

	PR target/37378
	* df-scan.c (df_bb_refs_collect): Don't handle EH_USES here.
	(df_get_entry_block_def_set): Neither here.
	(df_get_regular_block_artificial_uses): Add EH_USES registers.

From-SVN: r141392

	PR tree-optimization/37879
	* predict.c (tree_estimate_probability): Check if last_stmt is
	non-NULL before dereferencing it.

	* gcc.dg/pr37879.c: New test.

From-SVN: r141390

re PR libstdc++/37919 ([c++0x] GCC 4.4 regression r141214 of gcc c++0x stl_pair.c causes a boost 1.36 compilation to fail)

2008-10-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/37919
	Revert:
	2008-10-18  Douglas Gregor  <doug.gregor@gmail.com>

	* include/bits/stl_pair.h (__may_be_null_pointer_init): New.
	(pair::pair): Eliminate the redundant pair(U1&&, U2&&) constructor.
	Add lvalue pair<U1, U2> constructor to handle non-const pair lvalues.
	Remove the old variadic constructor, and instead provide several
	variadic constructors that avoid failing when attempting to
	initialize a pointer from a null pointer constant.
	* testsuite/20_util/pair/moveable.cc (test3): Add new tests with
	initialization of pointers from the null pointer constant.

From-SVN: r141388

From-SVN: r141387

	PR other/37897
	* decDouble.h (decDouble): Replace struct with union accessible
	by more types.
	* decSingle.h (decSingle): Ditto.
	* decQuad.h (decQuad): Ditto.
	* decNumberLocal.h (DFWORD, DFBYTE, DFWWORD): access decFloat via
	new members.
	* decBasic.c (decFloatCompareTotal): Avoid type-pun violation.
	(decNumberCompare): Ditto.

From-SVN: r141386

2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-int.h (ira_allocno): Add member updated_cover_class_cost.
	(ALLOCNO_UPDATED_COVER_CLASS_COST): New.
	(ira_fast_allocation): Remove the prototype.
	
	* ira-color.c (update_copy_costs, allocno_cost_compare_func,
	assign_hard_reg, calculate_allocno_spill_cost): Use updated costs.
	(color_pass): Modify the updated costs.
	(ira_color): Rename to color.  Make it static.
	(ira_fast_allocation): Rename to fast_allocation.  Make it static.
	(ira_color): New function.
	
	* ira-conflicts.c (process_regs_for_copy): Propagate hard reg cost
	change.

	* ira-lives.c (last_call_num, allocno_saved_at_call): New
	variables.
	(set_allocno_live, clear_allocno_live, mark_ref_live,
	mark_ref_dead): Invalidate corresponding element of
	allocno_saved_at_call.
	(process_bb_node_lives): Increment last_call_num.  Setup
	allocno_saved_at_call.  Don't increase ALLOCNO_CALL_FREQ if the
	allocno was already saved.
	(ira_create_allocno_live_ranges): Initiate last_call_num and
	allocno_saved_at_call.

	* ira-build.c (ira_create_allocno): Initiate
	ALLOCNO_UPDATED_COVER_CLASS_COST.
	(create_cap_allocno, propagate_allocno_info,
	remove_unnecessary_allocnos): Remove setting updated costs.
	(ira_flattening): Set up ALLOCNO_UPDATED_COVER_CLASS_COST.

	* ira.c (ira):  Don't call ira_fast_allocation.

	* ira-costs.c (setup_allocno_cover_class_and_costs): Don't set up
	updated costs.

From-SVN: r141385

2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/37813
	* ira-conflicts.c (process_regs_for_copy): Remove class subset
	check.

	* ira-int.h (ira_hard_regno_cover_class): New.

	* ira-lives.c (mark_reg_live, mark_reg_dead,
	process_bb_node_lives): Use ira_hard_regno_cover_class.

	* ira.c (reg_class ira_hard_regno_cover_class): New global
	variable.
	(setup_hard_regno_cover_class): New function.
	(ira_init): Call setup_hard_regno_cover_class.

	* ira-costs.c (cost_class_nums): Add comment.
	(find_allocno_class_costs): Initiate cost_class_nums.
	(setup_allocno_cover_class_and_costs): Check cost_class_nums.

From-SVN: r141384

2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/37884
	* ira-build.c (copy_live_ranges_to_removed_store_destinations):
	Rename to copy_info_to_removed_store_destinations.  Propagate
	conflict hard regs and register stack attribute.

From-SVN: r141383

2008-10-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/37522
	* config/os/mingw32/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSWPRINTF
	* include/bits/basic_string.h: Guard string conversions with 
	!defined(_GLIBCXX_HAVE_BROKEN_VSWPRINTF) too.
	* testsuite/lib/libstdc++.exp (check_v3_target_string_conversions):
	New.
	* testsuite/lib/dg-options.exp (dg-require-string-conversions): New.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
	Use the latter.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stoll.cc:
	Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
	Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
	Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/
	stoull.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stold.cc:
	Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
	Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/
	to_string.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
	Likewise.

From-SVN: r141382

2008-10-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/37316
	* pa.c (function_arg_padding):  Pad complex and vector types upward in
	64-bit runtime.
	(function_arg): Use BLKmode for PARALLEL in 64-bit runtime.

From-SVN: r141380

From-SVN: r141377

2008-10-26  Matthias Klose  <doko@ubuntu.com>

       * doc/install.texi: Document requirements on antlr.

From-SVN: r141373

From-SVN: r141367

2008-10-25  Richard Guenther  <rguenther@suse.de>

	* MAINTAINERS (Various Maintainers): Add myself as middle-end
	maintainer.  Remove myself as libgcc-math maintainer.
	(Non-Algorithmic Maintainers): Remove myself.

From-SVN: r141363

gcc/
	* config/mips/mips.h (REG_ALLOC_ORDER): Put call-clobbered registers
	first.

From-SVN: r141362

From-SVN: r141360

From-SVN: r141356

re PR rtl-optimization/37769 (internal compiler error: in reg_overlap_mentioned_for_reload_p, at reload.c:6525)

	PR rtl-optimization/37769
	* regmove.c (optimize_reg_copy_2): Update REG_INC note if needed.

From-SVN: r141354

	* config/sh/t-sh: Use $(MULTILIB_CFLAGS) when compiling to
	unwind-dw2-Os-4-200.o.

From-SVN: r141352

	* Makefile.tpl (HOST_EXPORTS): Correct CPPFLAGS typo.
	* Makefile.in: Regenerated.

From-SVN: r141351

* lib/scanasm.exp (scan-assembler, scan-assembler-not,
scan-hidden, scan-not-hidden, scan-file, scan-file-not,
scan-assembler-times, scan-assembler-dem, scan-assembler-dem-not):
Extract first word of $testcase for all upvar uses, in case
$testvar has compiler switches appended.

From-SVN: r141350

	* c-typeck.c (enum impl_conv): Remove ic_argpass_nonproto.
	(convert_for_assignment): Remove ic_argpass_nonproto cases.

From-SVN: r141347

	PR tree-optimization/36038
	* tree-ssa-loop-ivopts.c (add_old_iv_candidates): For pointer bases
	add sizetype IV with initial value zero instead of pointer type.

	* gcc.c-torture/compile/pr36038.c: New test.

From-SVN: r141343

2008-10-24  Paolo Carlini  <paolo.carlini@oracle.com>

	* config/os/generic/error_constants.h (enum errc): Remove
	no_posix_equivalent.
	* config/os/mingw32/error_constants.h (enum errc): Likewise.
	* testsuite/19_diagnostics/headers/system_error/errc_std_c++0x.cc:
	Adjust.

From-SVN: r141341

2008-10-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/7543
	* value-prof.c (gimple_stringop_fixed_value): Use parentheses
	around bit operation.
	* profile.c (is_edge_inconsistent): Likewise.
	* fold-const.c (truth_value_p): Move from here...
	* tree.h (truth_value_p): ... to here.
	* c-tree.h (c_expr): Update description of original_code.
	* c-typeck.c (parser_build_unary_op): Set original_code.
	(parser_build_binary_op): Update call to warn_about_parentheses.
	* c-common.c (warn_about_parentheses): Take two additional
	arguments of the operands. Use a switch. Quote operators
	appropriately. Define macro APPEARS_TO_BE_BOOLEAN_EXPR_P.
	Add warning about !x | y and !x & y.
	* c-common.h (warn_about_parentheses): Update declaration.
cp/	
	* typeck.c (build_x_binary_op): Update call to
	warn_about_parentheses.
	* parser.c (cp_parser_binary_expression): Add note about passing
	the correct code for unary expressions.
testsuite/
	* gcc.dg/Wparentheses-11.c: New.
	* g++.dg/warn/Wparentheses-25.C: New. XFAILED.

From-SVN: r141340

	PR middle-end/37882
	* gcc.c-torture/execute/pr37882.c: Remove a field.

From-SVN: r141339

From-SVN: r141338

contrib/
	* dg-extract-results.sh: New file.
gcc/
	* Makefile.in (lang_checks_parallelized, check_gcc_parallelize,
	check_p_tool, check_p_vars, check_p_subno, check_p_comma,
	check_p_subwork, check_p_numbers, check_p_subdir, check_p_subdirs):
	New variables.
	(check-subtargets, check-%-subtargets, check-parallel-%): New
	targets.
	(check-%): For test targets listed in lang_checks_parallelized
	if -j is used and RUNTESTFLAGS doesn't specify tests to execute,
	run the testing in multiple make goals, possibly parallel, and
	afterwards run dg-extract-results.sh to merge the sum and log files.
gcc/cp/
	* Make-lang.in (check-c++-subtargets): New alias for
	check-g++-subtargets.
	(lang_checks_parallelized): Add check-g++.
	(check_g++_parallelize): New variable.
gcc/fortran/
	* Make-lang.in (check-f95-subtargets, check-fortran-subtargets): New
	aliases for check-gfortran-subtargets.
	(lang_checks_parallelized): Add check-gfortran.
	(check_gfortran_parallelize): New variable.
gcc/ada/
	* gcc-interface/Make-lang.in (check-ada-subtargets): Depend on
	check-acats-subtargets and check-gnat-subtargets.
	(check_acats_targets): New variable.
	(check-acats-subtargets, check-acats%): New targets.
	(check-acats): If -j is used and CHAPTERS is empty, run the testing
	in multiple make goals, possibly parallel, and afterwards run
	dg-extract-results.sh to merge the sum and log files.
gcc/java/
	* Make-lang.in (check-java-subtargets): New target.
libstdc++-v3/
	* testsuite/Makefile.am (AUTOMAKE_OPTIONS): Remove dejagnu.
	(RUNTESTDEFAULTFLAGS, EXPECT, check_DEJAGNU_normal_targets): New
	variables.
	(%/site.exp, check-DEJAGNU%): New targets.
	(check-am): Run $(MAKE) check-DEJAGNU.
	* testsuite/Makefile.in: Regenerated.

From-SVN: r141337