gcc:
	* c-common.c (flag_isoc1x): New.
	(flag_isoc99): Update comment.
	* c-common.h (flag_isoc1x): New.
	(flag_isoc99): Update comment.
	* c-cppbuiltin.c (builtin_define_float_constants): Also define
	__<type>_DECIMAL_DIG__.
	* c-opts.c (set_std_c1x): New.
	(c_common_handle_option): Handle -std=c1x and -std=gnu1x.
	(set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
	* c.opt (-std=c1x, -std=gnu1x): New options.
	* doc/cpp.texi: Mention -std=c1x.
	* doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
	* doc/extend.texi: Mention -std=c1x and -std=gnu1x.
	* doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
	* doc/standards.texi: Mention C1X.
	* ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
	LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
	LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
	Define for C1X.

gcc/testsuite:
	* gcc.dg/c90-float-1.c: Also test that C1X macros are not defined.
	* gcc.dg/c99-float-1.c: Also test that C1X macros are not defined.
	* gcc.dg/c1x-float-1.c: New test.

libcpp:
	* include/cpplib.h (enum c_lang): Add CLK_GNUC1X and CLK_STDC1X.
	* init.c (lang_defaults): Add entries for new language variants.
	(cpp_init_builtins): Define __STDC_VERSION__ to 201000L for C1X
	variants.

From-SVN: r158711

2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c++/28584
	* c.opt (Wint-to-pointer-cast): Available in C++.
	* doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
cp/
	* typeck.c (cp_build_c_cast): Warn for casting integer to larger
	pointer type.
testsuite/
	* gcc.dg/Wint-to-pointer-cast-1.c: Move to...
	* c-c++-common/Wint-to-pointer-cast-1.c: ...  here.
	* gcc.dg/Wint-to-pointer-cast-2.c: Move to...	
	* c-c++-common/Wint-to-pointer-cast-2.c: ...  here.
	* gcc.dg/Wint-to-pointer-cast-3.c: Move to...	
	* c-c++-common/Wint-to-pointer-cast-3.c: ...  here. Update.
	* g++.old-deja/g++.mike/warn1.C: Add -Wno-int-to-pointer-cast.
	* g++.dg/other/increment1.C: Likewise.

From-SVN: r158150

	* ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c, 
	basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
	collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
	config/alpha/predicates.md, config/arm/arm.md,
	config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
	config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
	config/darwin9.h, config/darwin.c, config/darwin.h,
	config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
	config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
	config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
	config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
	config/mips/mips.md, config/mn10300/mn10300.c,
	config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
	config/rs6000/aix.h, config/rs6000/dfp.md,
	config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
	config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
	config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
	config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
	config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
	config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
	c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
	diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
	doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
	doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
	fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
	gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
	graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
	graphite-dependences.c, graphite-poly.c, graphite-poly.h,
	graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
	graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
	intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
	ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
	ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
	loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
	objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
	opt-functions.awk, opth-gen.awk, params.def, passes.c,
	postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
	rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
	store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
	tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
	tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
	tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
	tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
	tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
	tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
	tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
	tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
	tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
	tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
	unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.

From-SVN: r157950

2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/20631
	* doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
	* doc/standards.texi: Likewise.
	* doc/extend.texi: Likewise.
	* doc/trouble.texi: Likewise.
	* doc/cppopts.texi: Likewise. 
	* doc/install.texi: Likewise.
	* c.opt (std=c90,std=gnu90): New options.
	* c-opts.c (c_common_handle_option): Handle them.
testsuite/
	* gcc.dg/cpp/c90-pedantic.c: New.
	* gcc.dg/cpp/c90.c: New.
	* gcc.dg/gnu90-const-expr-1.c: New.
	* gcc.dg/Woverlength-strings-pedantic-c90.c: New.

From-SVN: r157096

2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* c.opt (-ftemplate-depth=): New.
	(-ftemplate-depth-): Deprecate.
	* optc-gen.awk: Handle -ftemplate-depth=.
	* opth-gen.awk: Likewise.
	* c-opts.c (c_common_handle_option): Likewise.
	* doc/invoke.texi (-ftemplate-depth-): Replace with
	-ftemplate-depth=.
cp/
	* pt.c (push_tinst_level): Replace -ftemplate-depth- with 
	-ftemplate-depth=.

From-SVN: r157054

2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c++/35669
	* c.opt (Wconversion-null): New option.
	* doc/invoke.texi (Wconversion-null): Document.

cp/
	* call.c (conversion_null_warnings): Replace -Wconversion with
	-Wconversion-null.
	* cvt.c (build_expr_type_conversion): Likewise.

testsuite/
	* g++.dg/warn/Wconversion2.C: Replace -Wconversion with
	-Wconversion-null.
	* g++.dg/warn/Wconversion-null.C: New test.
	* g++.old-deja/g++.other/null1.C: Move to...
	* g++.dg/warn/Wconversion-null-2.C: ... here. Remove -Wconversion.

libstdc++-v3/	
	* testsuite/18_support/headers/cstddef/macros.cc: Add
	-Wno-conversion-null.

From-SVN: r156928

gcc/po/
2010-01-11  Joseph Myers  <joseph@codesourcery.com>
            Shujing Zhao  <pearly.zhao@oracle.com>

        PR translation/42467
        * exgettext: Keep the text before tab character in the option help
        string at *.opt file.

gcc/
2010-01-11  Joseph Myers  <joseph@codesourcery.com>
            Shujing Zhao  <pearly.zhao@oracle.com>

        PR translation/42469
        * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
        fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
        character between option name and help text.
        * c.opt (imultilib): Likewise.

gcc/fortran
2010-01-11  Joseph Myers  <joseph@codesourcery.com>
            Shujing Zhao  <pearly.zhao@oracle.com>
        
        PR translation/42469
        * lang.opt (fblas-matmul-limit=, finit-character=, finit-integer=,
        finit-logical=, finit-real=, fmax-array-constructor=): Use tab
        character between option name and help text.


Co-Authored-By: Shujing Zhao <pearly.zhao@oracle.com>

From-SVN: r155801

2010-01-08  Richard Guenther  <rguenther@suse.de>

	PR lto/42528
	* c.opt (fsigned-char): Also let LTO handle this option.
	(funsigned-char): Likewise.

	lto/
	* lto-lang.c (lto_handle_option): Handle -f[un]signed-char.
	(lto_init): Do not init char_type_node in a standard way
	but according to flag_signed_char.

	* gcc.dg/lto/20100103-1_0.c: New testcase.
	* gcc.dg/lto/20100103-2_0.c: Likewise.

From-SVN: r155740

gcc/:
	* c.opt (Wjump-misses-init): Fix typo to enable for ObjC.
	* doc/invoke.texi (Warning Options): Annotate allowed languages
	for -Wunsuffixed-float-constants.

From-SVN: r152469

From-SVN: r152434

	* c.opt: Add -fno-deduce-init-list.
	* pt.c (get_pattern_parm): New.
	(listify): Split out from...
	(listify_autos): ...here.
	(unify): Deduce std::initializer_list for T.
	* call.c (build_over_call): Warn about it.

From-SVN: r151867

2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 25509
	PR 40614
	* c.opt (Wunused-result): New.
	* doc/invoke.texi: Document it.
	* c-common.c (c_warn_unused_result): Use it.
testsuite/
	* g++.dg/warn/unused-result1-Werror.c: New.

From-SVN: r149458

./:	* df-problems.c (df_simulate_one_insn_forwards): Fix braces in
	switch.
	* gcov.c (read_count_file): Add braces around variables declared
	before label.

	* c.opt (Wjump-misses-init): New warning.
	* c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
	-Wall and -Wc++-compat if not already set.
	(c_common_post_options): Clear warn_jump_misses_init if it was not
	set.
	* c-decl.c (struct c_binding): Change type field to a union with
	new label field.  Make it the first field in the struct.  Update
	references to type to use u.type instead.
	(struct c_spot_bindings): Define.
	(struct c_goto_bindings): Define.
	(c_goto_bindings_p): Define, along with VECs.
	(struct c_label_vars): Define.
	(struct c_scope): Add has_label_bindings field.
	(bind_label, set_spot_bindings): New static functions.
	(decl_jump_unsafe, update_spot_bindings): New static functions.
	(update_label_decls): New static function.
	(pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
	Update binding u.label field to shadowed field.
	(c_binding_start_stmt_expr): New function.
	(c_binding_end_stmt_expr): New function.
	(pushdecl): Don't call c_begin_vm_scope.
	(make_label): Add defining and p_label_vars parameters.  Change
	all callers.
	(lookup_label): Correct test for whether a label has not yet been
	defined.  Call bind_label rather than bind.
	(warn_about_goto): New static function.
	(lookup_label_for_goto): New function.
	(declare_label): Call bind_label rather than bind.
	(check_earlier_gotos): New static function.
	(define_label): Don't give errors about jumping into statement
	expressions or scopes of variably modified types.  Call
	set_spot_bindings and check_earlier_gotos.  Call bind_label
	instead of bind.  Don't set label_context_stack_se or
	label_context_stack_vm.
	(c_get_switch_bindings): New function.
	(c_release_switch_bindings): New function.
	(c_check_switch_jump_warnings): New function.
	(start_function): Don't set label_context_stack_se or
	label_context_stack_vm.
	(finish_function): Likewise.
	* c-typeck.c (label_context_stack_se): Don't define.
	(label_context_stack_vm): Don't define.
	(c_finish_goto_label): Call lookup_label_for_goto rather than
	lookup_label.  Don't give errors about jumping into a statement
	expression or the scope of a variably modified type.  Don't set
	label_context_stack_se or label_context_stack_vm.
	(struct c_switch): Remove blocked_stmt_expr and blocked_vm
	fields.  Add bindings field.
	(c_start_case): Don't set deleted fields.  Set bindings field.
	(do_case): Rework order of tests.  Don't check blocked_stmt_expr
	or blocked_vm.  Call c_check_switch_jump_warnings.
	(c_finish_case): Don't test blocked_stmt_expr field.  Call
	c_release_switch_bindings.
	(c_begin_stmt_expr): Don't increment blocked_stmt_expr in
	c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
	set label_context_stack_se.  Call c_bindings_start_stmt_expr.
	(c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
	c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
	set label_context_stack_se.  Call c_bindings_end_stmt_expr.
	(c_begin_vm_scope, c_end_vm_scope): Don't define.
	* c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
	(C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
	(C_DECL_UNJUMPABLE_VM): Don't define.
	(C_DECL_UNDEFINABLE_VM): Don't define.
	(struct c_label_list): Don't define.
	(struct c_label_context_se): Don't define.
	(struct c_label_context_vm): Don't define.
	(struct c_spot_bindings): Declare.
	(c_bindings_start_stmt_expr): Declare.
	(c_bindings_end_stmt_expr): Declare.
	(lookup_label_for_goto): Declare.
	(c_get_switch_bindings, c_release_switch_bindings): Declare.
	(c_check_switch_jump_warnings): Declare.
	(label_context_stack_se, label_context_stack_vm): Don't declare.
	(c_finish_goto_label): Update declaration.
	(c_begin_vm_scope, c_end_vm_scope): Don't declare.
	* doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
	(Warning Options): Document -Wjump-misses-init.
cp/:
	* parser.c (cp_parser_direct_declarator): Add braces around
	variables declared before label.
objc/:
	* objc-act.c (objc_start_function): Don't set
	label_context_stack_se or label_context_stack_vm.
testsuite/:
	* gcc.dg/Wjump-misses-init-1.c: New testcase.
	* gcc.dg/Wjump-misses-init-2.c: New testcase.
	* gcc.dg/c99-vla-jump-5.c: Adjust expected error messages.
	Recognize new notes.
	* gcc.dg/stmt-expr-label-2.c: Likewise.
	* gcc.dg/c99-vla-jump-1.c: Recognize new notes.  Fix column
	numbers.
	* gcc.dg/c99-vla-jump-2.c: Recognize new notes.
	* gcc.dg/c99-vla-jump-3.c: Recognize new notes.
	* gcc.dg/c99-vla-jump-4.c: Likewise.
	* gcc.dg/stmt-expr-label-1.c: Likewise.
	* gcc.dg/stmt-expr-label-3.c: Likewise.
	* gcc.dg/vla-8.c: Likewise.  Move error message to different
	line.

From-SVN: r148512

2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/40172
gcc/
	* c.opt (Wlogical-op): Disabled by default.
	* c-opt (c_common_post_options): Do not enable Wlogical-op with
	Wextra.
	* doc/invoke.texi (Wlogical-op): Likewise.
testsuite/
	* gcc.dg/pr40172.c: Add -Wlogical-op to dg-options.

From-SVN: r147717

gcc/
	PR c/39037
	* c-common.h (mark_valid_location_for_stdc_pragma,
	valid_location_for_stdc_pragma_p, set_float_const_decimal64,
	clear_float_const_decimal64, float_const_decimal64_p): New.
	* c.opt (Wunsuffixed-float-constants): New.
	* c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
	unsuffixed float constant, handle new warning.
	* c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
	* c-decl.c (c_scope): New flag float_const_decimal64.
	(set_float_const_decimal64, clear_float_const_decimal64,
	float_const_decimal64_p): New.
	(push_scope): Set new flag.
	* c-parser.c (c_parser_translation_unit): Mark when it's valid
	to use STDC pragmas.
	(c_parser_external_declaration): Ditto.
	(c_parser_compound_statement_nostart): Ditto.
	* c-pragma.c (valid_location_for_stdc_pragma,
	mark_valid_location_for_stdc_pragma,
	valid_location_for_stdc_pragma_p, handle_stdc_pragma,
	handle_pragma_float_const_decimal64): New.
	(init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
	* cp/semantics.c (valid_location_for_stdc_pragma_p,
	set_float_const_decimal64, clear_float_const_decimal64,
	float_const_decimal64_p): New dummy functions.
	* doc/extend.texi (Decimal Float): Remove statement that the
	pragma, and suffix for double constants, are not supported.
	* doc/invoke.texi (Warning Options): List new option.
	(-Wunsuffixed-float-constants): New.

gcc/testsuite
	PR c/39037
	* gcc.dg/Wunsuffixed-float-constants-1.c: New test.
	* gcc.dg/cpp/pragma-float-const-decimal64-1.c: New test.
	* gcc.dg/dfp/float-constant-double.c: New test.
	* gcc.dg/dfp/pragma-float-const-decimal64-1.c: New test.
	* gcc.dg/dfp/pragma-float-const-decimal64-2.c: New test.
	* gcc.dg/dfp/pragma-float-const-decimal64-3.c: New test.
	* gcc.dg/dfp/pragma-float-const-decimal64-4.c: New test.
	* gcc.dg/dfp/pragma-float-const-decimal64-5.c: New test.
	* gcc.dg/dfp/pragma-float-const-decimal64-6.c: New test.
	* gcc.dg/dfp/pragma-float-const-decimal64-7.c: New test.
	* gcc.dg/dfp/pragma-float-const-decimal64-8.c: New test.
	* g++.dg/cpp/pragma-float-const-decimal64-1.C: New test.

From-SVN: r147259

2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/13358
	* doc/invoke.texi (-Wlong-long): Update description.
	* c-lex (interpret_integer): Only warn if there was no previous
	overflow and -Wlong-long is enabled.
	* c-decl.c (declspecs_add_type): Drop redundant flags.
	* c.opt (Wlong-long): Init to -1.
	* c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
	and front-end warn_long_long. Wlong-long only depends on other
	flags if it is uninitialized.
	* c-parser.c (disable_extension_diagnostics): warn_long_long is
	the same for CPP and FE.
	(restore_extension_diagnostics): Likewise.
libcpp/
	* init.c (cpp_create_reader): Wlong_long is disabled by default.
	* expr.c (cpp_classify_number): Give different messages for C and
	C++ front-ends.
cp/
	* parser.c (cp_parser_check_decl_spec): Drop redundant flags.
	* error.c (pedwarn_cxx98): New.
	* cp-tree.h (pedwarn_cxx98): Declare.
testsuite/
	* gcc.dg/wtr-int-type-1.c: Use two dg-warning to match two
	messages. Test for "long long" in system headers.
	* gcc.dg/c99-longlong-2.c: New.
	* g++.dg/warn/pr13358.C: New.
	* g++.dg/warn/pr13358-2.C: New.
	* g++.dg/warn/pr13358-3.C: New.
	* g++.dg/warn/pr13358-4.C: New.

From-SVN: r146459

2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/32061
	PR c++/36954
	* doc/invoke.texi: Add -Wlogical-op to -Wextra.
	* common.opt (Wlogical-op): Move from here...
	* c.opt (Wlogical-op): ... to here.
	* c-typeck.c (parser_build_binary_op): Update call to
	warn_logical_operator.
	* c-opts.c (c_common_post_options): Enable warn_logical_op with
	extra_warnings.
	* c-common.c (warn_logical_op): Update.
	* c-common.h (warn_logical_op): Update declaration.
cp/
	* call.c (build_new_op): Save the original codes of operands
	before folding.
	
testsuite/
	* gcc.dg/pr32061.c: New.
	* gcc.dg/Wlogical-op-1.c: Update.
	* g++.dg/warn/Wlogical-op-1.C: Update.
	* g++.dg/warn/pr36954.C: New.

From-SVN: r146344

gcc/:
	* c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
	* c-opts.c (c_common_handle_option): For C, set warn_enum_compare
	for -Wall and for -Wc++-compat.
	(c_common_post_options): For C++, set warn_enum_compare if not
	already set.
	* c-tree.h (struct c_expr): Add field original_type.
	(build_external_ref): Update declaration.
	* c-parser.c (c_parser_braced_init): Set original_type.
	(c_parser_initelt): Likewise.
	(c_parser_expr_no_commas): Likewise.
	(c_parser_conditional_expression): Likewise.
	(c_parser_cast_expression): Likewise.
	(c_parser_unary_expression): Likewise.  Pull setting of
	original_code to top of function.
	(c_parser_sizeof_expression): Set original_type.
	(c_parser_alignof_expression): Likewise.
	(c_parser_postfix_expression): Likewise.  Pull setting of
	original_code to top of function.
	(c_parser_postfix_expression_after_paren_type): Set
	original_type.
	(c_parser_postfix_expression_after_primary): Likewise.
	(c_parser_expression): Likewise.
	* c-typeck.c (build_external_ref): Add type parameter.  Change all
	callers.
	(c_expr_sizeof_expr): Set original_type field.
	(parser_build_unary_op): Likewise.
	(parser_build_binary_op): Likewise.  Optionally warn about
	comparisons of enums of different types.
	(digest_init): Set original_type field.
	(really_start_incremental_init): Likewise.
	(push_init_level, pop_init_level): Likewise.
	* doc/invoke.texi (Warning Options): -Wenum-compare now
	supported in C.
gcc/testsuite/:
	* gcc.dg/Wenum-compare-1.c: New testcase.

From-SVN: r146127

	PR c++/25185
	* c-common.h, c-common.c: Add flag_pretty_templates.
	* c-opts.c (c_common_handle_option): Set it.
	* c.opt: Add -fno-pretty-templates.
	* doc/invoke.texi (C++ Dialect Options): Likewise.

	* error.c (dump_function_decl): Don't pretty-print templates
	if -fno-pretty-templates.
	(count_non_default_template_args): Print all args if
	-fno-pretty-templates.

From-SVN: r145697

gcc/
	* c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
	and -fopenmp.

gcc/java/
	* lang.opt: Unify help text for -Wdeprecated.

gcc/fortran/
	* lang.opt: Unify help texts for -I, -Wconversion, -d, -fopenmp,
	and -fpreprocessed.

From-SVN: r144943

From-SVN: r144324

gcc/

2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39082
	* c.opt (Wabi): Support C and ObjC.
	(Wpsabi): New.

	* c-opts.c (c_common_handle_option): Handle OPT_Wabi.

	* config/i386/i386.c (classify_argument): Warn once about the ABI
	change when passing union with long double.

	* doc/invoke.texi: Update -Wabi for warning psABI changes.

gcc/testsuite/

2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39082
	* g++.dg/compat/struct-layout-1_generate.c (dg_options): Add
	-Wno-abi for x86.
	* gcc.dg/compat/struct-layout-1_generate.c (dg_options): Likewise.

	* gcc.target/i386/pr39082-1.c: New.

	* gcc.target/x86_64/abi/abi-x86_64.exp (additional_flags): Add
	-Wno-abi.

	* gcc.target/x86_64/abi/args.h (XMM_T): Add _m64 and _m128 if
	CHECK_M64_M128 is defined.
	(check_f_arguments): Add "do".
	(check_vector_arguments): New.
	(check_m64_arguments): Likewise.
	(check_m128_arguments): Likewise.

	* gcc.target/x86_64/abi/defines.h: Include <xmmintrin.h>.
	(CHECK_M64_M128): Define.

	* gcc.target/x86_64/abi/test_m64m128_returning.c: New.  Based
	on abitest.
	* gcc.target/x86_64/abi/test_passing_m64m128.c: Likewise.

	* gcc.target/x86_64/abi/test_passing_structs.c: Define __m128
	tests only if CHECK_M64_M128 is defined.

	* gcc.target/x86_64/abi/test_passing_structs.c (m128_struct): New.
	(m128_2_struct): Likewise.
	(check_struct_passing5): Likewise.
	(check_struct_passing6): Likewise.
	(main): Test struct with __m128 if CHECK_M64_M128 is defined.

	* gcc.target/x86_64/abi/test_passing_unions.c (un4): New.
	(un5): Likewise.
	(check_union_passing4): Likewise.
	(main): Test union with __m128 if CHECK_M64_M128 is defined.

From-SVN: r144257

	* c.opt (Wpacked-bitfield-compat): Change init value to -1.
	* c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
	was not supplied then set warn_packed_bitfield_compat to the
	default value of 1.
	* stor-layout.c (place_field): Check warn_packed_bitfield_compat
	against 1.

From-SVN: r143718

	* c-decl.c (finish_struct): Move code to set DECL_PACKED after
	DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
	regardless of their type.
	* c-common.c (handle_packed_attribute): Don't ignore packed on
	bitfields.
	* c.opt (Wpacked-bitfield-compat): New warning option.
	* stor-layout.c (place_field): Warn if offset of a field changed.
	* doc/extend.texi (packed): Mention the ABI change.
	* doc/invoke.texi (-Wpacked-bitfield-compat): Document.
	(Warning Options): Add it to the list.

cp/
	* class.c (check_field_decls): Also inherit packed for bitfields
	regardless of their type.

testsuite/
	* gcc.dg/bitfld-15.c, gcc.dg/bitfld-16.c,
	gcc.dg/bitfld-17.c,gcc.dg/bitfld-18.c: New tests.
	* g++.dg/ext/bitfield2.C, g++.dg/ext/bitfield3.C,
	g++.dg/ext/bitfield4.C, g++.dg/ext/bitfield5.C: New tests.

From-SVN: r143584

re PR middle-end/37908 (atomic NAND op generate wrong code; __sync_nand_and_fetch, __sync_fetch_and_nand)

	PR middle-end/37908
	* optabs.c (expand_sync_operation): Properly handle NAND case
	by calculating ~(t1 & val) instead of (~t1 & val).
	* builtins.c (expand_builtin_sync_operation): Warn for changed
	semantics in NAND builtins.
	* c.opt (Wsync-nand): New warning option.  Describe -Wsync-nand.
	
	* doc/invoke.texi (Warning options): Add Wsync-nand.
	* doc/extend.texi (Atomic Builtins) [__sync_fetch_and_nand]: Correct
	__sync_fetch_and_nand builtin operation in the example.  Add a note
	about changed semantics in GCC 4.4.
	[__sync_nand_and_fetch]: Correct __sync_nand_and_fetch builtin
	operation in the example.  Add a note about changed semantics in
	GCC 4.4.

testsuite/ChangeLog:

	PR middle-end/37908
	* gcc.dg/pr37908.c: New test.
	* gcc.dg/ia64-sync-1.c: Correct __sync_fetch_and_nand and
	__sync_nand_and_fetch results.  Add dg-message to look for the warning
	about changed semantics of NAND builtin.
	(init_si, init_di): Change init value for __sync_fetch_and_nand to -1.
	(test_si, test_di): Change expected result of
	__sync_nand_and_fetch to ~7.
	* gcc.dg/ia64-sync-2.c: Correct __sync_fetch_and_nand and
	__sync_nand_and_fetch results.  Add dg-message to look for the warning
	about changed semantics of NAND builtin.
	(init_noret_si, init_noret_di): Change init value for
	__sync_fetch_and_nand to -1.
	(init_noret_si, init_noret_di): Change expected result of
	__sync_nand_and_fetch to ~7.
	* gcc.dg/sync-2.c: Correct __sync_fetch_and_nand and
	__sync_nand_and_fetch results.  Add dg-message to look for the warning
	about changed semantics of NAND builtin.
	(init_qi, init_qi): Change init value for __sync_fetch_and_nand to -1.
	(init_hi, init_hi): Change expected result of
	__sync_nand_and_fetch to ~7.
	* gcc.dg/sync-3.c: Copy from sync-2.c instead of including
	the c source file.
	* gcc.c-torture/compile/sync-1.c: Add dg-message to look for the
	warning about changed semantics of NAND builtin.
	* gcc.c-torture/compile/sync-2.c: Ditto.
	* gcc.c-torture/compile/sync-3.c: Ditto.

From-SVN: r141942

	* include/cpplib.h (struct cpp_options): Add new boolean flag
	warn_builtin_macro_redefined.
	* init.c (cpp_create_reader): Initialize warn_builtin_macro_redefined.
	* (struct builtin_operator): Split out from previous struct builtin,
	enhance extra const correctness.
	* (struct builtin_macro): Split out from previous struct builtin, add
	new always_warn_if_redefined flag, enhance const correctness.
	* (mark_named_operators): Use struct builtin_operator.
	* (cpp_init_special_builtins): Use struct builtin_macro, add NODE_WARN
	to builtins selectively.
	* macro.c (warn_of_redefinition): Return false if a builtin macro
	is not flagged with NODE_WARN.

	* c-opts.c (c_common_handle_option): Add handling for
	-Wbuiltin-macro-redefined command line option.
	* c.opt: Added builtin-macro-redefined option.
	* doc/invoke.texi (Warning Options): Add -Wbuiltin-macro-redefined
	documentation.

	* gcc.dg/builtin-redefine.c: New.

From-SVN: r140461

re PR c/30551 (-pedantic does not include -Wmain, but -pedantic-errors does make -Wmain cause error messages)

2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 30551
	* doc/invoke.texi (Wmain): Update.
	* c-decl.c (start_decl): warn_main is only 0 or 1.
	(start_function): Likewise. Fix formatting.
	(finish_function): Delete redundant warning.
	* c.opt (Wmain): Add Var(warn_main) and Init(-1).
	* c-opts (c_common_handle_option): -Wall only has effect if
	warn_main is uninitialized. OPT_Wmain is automatically
	handled. -pedantic also enables Wmain.
	(c_common_post_options): Handle all logic for Wmain here.
	* c-common.c (warn_main): Delete.
	(check_main_parameter_types): Make pedwarns conditional on
	OPT_Wmain.
	* c-common.h (warn_main): Delete.
cp/	
	* decl.c (grokfndecl): Call check_main_parameters_type only if
	-Wmain.
testsuite/
	* gcc.dg/pr30551.c: New.
	* gcc.dg/pr30551-2.c: New.
	* gcc.dg/pr30551-3.c: New.
	* gcc.dg/pr30551-4.c: New.
	* gcc.dg/pr30551-5.c: New.
	* gcc.dg/pr30551-6.c: New.
	* gcc.dg/tree-ssa/reassoc-3.c: Don't compile with -pedantic-errors.
	* g++.dg/warn/pr30551.C: New.
	* g++.dg/warn/pr30551-2.C: New.

From-SVN: r139063

gcc/
	* omp-low.c (extract_omp_for_data): Fix comment typo.
	* c.opt: Fix typo.

gcc/cp/
	* parser.c: Fix comment typo.

From-SVN: r136804

        * c.opt (Wenum-compare): New warning option.
        * doc/invoke.texi (Warning Options): Document -Wenum-compare.

cp/
        * call.c (build_new_op): Make warning conditional on OPT_Wenum_compare.

testsuite/
        * g++.dg/warn/Wenum-compare.C: New testcase.
        * g++.dg/warn/Wenum-compare-no.C: Ditto.

From-SVN: r136035

gcc:
2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/18428
	* c.opt: Removed undocumented option '-lang-fortran'.
	* c-common.h: Removed global variable 'lang_fortran'.
	* c-opts.c (c_common_handle_option): Removed code to handle
	option '-lang-fortran'. Updated includes.
	* c-cppbuiltin.c (c_cpp_builtins): Removed conditional
	definition of '__GFORTRAN__'.
	(define__GNUC__): Reimplemented to use BASEVER and
	cpp_define_formatted.
	(builtin_define_with_value_n): Removed.
	* c-incpath.h: Renamed to ...
	* incpath.h: ... this.
	* c-incpath.c: Renamed to ...
	* incpath.c: ... this. Updated includes.
	* fix-header.c: Updated includes.
	* Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
	(c-cppbuiltin.o): Added dependency on and definition of BASEVER.
	(OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.


gcc/cp:
2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

	* Makefile.in: Adjusted dependencies on c-incpath.o.


gcc/fortran:
2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/18428
	* lang.opt (A, C, CC, D, E, H, P, U, cpp, d, fworking-directory,
	imultilib, iprefix, iquote, isysroot, isystem, nocpp, nostdinc,
	o, undef, v): New options.
	* options.c (gfc_init_options): Also initialize preprocessor
	options.
	(gfc_post_options): Also handle post-initialization of preprocessor
	options.
	(gfc_handle_option): Check if option is a preprocessor option.
	If yes, let gfc_cpp_handle_option() handle the option.
	* lang-specs.h: Reorganized to handle new options.
	* scanner.c (gfc_new_file): Read temporary file instead of
	input source if preprocessing is enabled.
	* f95-lang.c (gfc_init): Initialize preprocessor.
	(gfc_finish): Clean up preprocessor.
	* cpp.c: New.
	* cpp.h: New.
	* Make-lang.in: Added new objects and dependencies.
	* gfortran.texi: Updated section "Preprocessing and
	conditional compilation".
	* invoke.texi: Added new section "Preprocessing Options",
	listed and documented the preprocessing options handled by gfortran.

From-SVN: r135882

	* c.opt (Wimport): Mark as undocumented.
	* doc/invoke.texi (Option Summary): Don't mention -Wimport or
	-Wno-import.
	(Warning Options): Likewise.
	* doc/cppopts.texi: Don't mention -Wimport.

From-SVN: r135747

libcpp
	PR preprocessor/22168:
	* include/cpplib.h (struct cpp_options) <objc>: Update
	documentation.
	* expr.c (eval_token): Warn for use of assertions.
	* directives.c (directive_diagnostics): Warn about extensions.
	(DEPRECATED): New define.
	(DIRECTIVE_TABLE): Use it.
gcc
	PR preprocessor/22168:
	* doc/cpp.texi (Top): Update menu.
	(Alternatives to Wrapper #ifndef): New node.
	(Other Directives): Document deprecation.
	(Obsolete Features): Remove menu.
	(Assertions): Merge node into Obsolete Features.
	(Obsolete once-only headers): Move earlier; rename to Alternatives
	to Wrapper #ifndef.
	* doc/cppopts.texi: Update.
	* c.opt (Wdeprecated): Enable for C and ObjC.
	* doc/invoke.texi (Option Summary): Move -Wno-deprecated.
	(C++ Dialect Options): Move -Wno-deprecated from here to...
	(Warning Options): ... here.
gcc/testsuite
	PR preprocessor/22168:
	* gcc.dg/pch/import-2.hs: Add -Wno-deprecated.
	* gcc.dg/pch/import-1.hs: Add -Wno-deprecated.
	* gcc.dg/pch/import-2.c: Add -Wno-deprecated.
	* gcc.dg/pch/import-1.c: Add -Wno-deprecated.
	* gcc.dg/cpp/import2.c: Add -Wno-deprecated.
	* gcc.dg/cpp/import1.c: Add -Wno-deprecated.
	* gcc.dg/cpp/trad/assert3.c: Add -Wno-deprecated.
	* gcc.dg/cpp/trad/assert2.c: Add -Wno-deprecated.
	* gcc.dg/cpp/trad/assert1.c: Add -Wno-deprecated.
	* gcc.dg/cpp/ident.c: Add -Wno-deprecated.
	* gcc.dg/cpp/ident-1.c: Add -Wno-deprecated.
	* gcc.dg/cpp/extratokens.c: Add -Wno-deprecated.
	* gcc.dg/cpp/assert3.c: Add -Wno-deprecated.
	* gcc.dg/cpp/assert2.c: Add -Wno-deprecated.
	* gcc.dg/cpp/assert1.c: Add -Wno-deprecated.
	* gcc.dg/cpp/assert4.c: Compile with -ansi and not -pedantic.  Add
	-Wno-deprecated.
	* gcc.dg/cpp/pr22168.c: New file.
	* gcc.dg/cpp/pr22168-2.c: New file.

From-SVN: r135264

gcc/

	* c.opt (Wsynth): Deprecate.
	* doc/invoke.texi (Option Summary, Warning Options): Document
	-Wno-format-contains-nul.

gcc/fortran/

	* invoke.texi (Error and Warning Options): Document
	-Wline-truncation.

contrib/

	* check_warning_flags.sh: Instead of invoke.texi, take the path
	to the doc directory as argument.  Check that warnings listed in
	'gcc --help' are accepted by the compiler, and listed in the
	manuals.

From-SVN: r133059

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 34351
	* doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
	* c-opts.c (c_common_handle_option): Wall enables
	Wvolatile-register-var.
	* common.opt: Move Wvolatile-register-var to...
	* c.opt: ...here.
testsuite/
	* gcc.dg/pr34351.c: New.

From-SVN: r132675

	PR 33738
	* tree-vrp.c (vrp_evaluate_conditional): With
	-Wtype-limits, emit a warning when comparing against a
	constant outside the natural range of OP0's type.
	* c.opt (Wtype-limits): Move ...
	* common.opt (Wtype-limits): ... here.

testsuite/ChangeLog

	PR 33738
	* g++.dg/warn/pr33738.C: New.

From-SVN: r132591

        PR other/31349
        * opts.c (undocumented_msg): Leave blank unless checking is
        enabled.
        (handle_options): Fix indentation.
        (print_filtered_help): If no language-specific options were
        displayed tell the user how to list all the options supported by
        the language's front-end.
        (print_specific_help): Fix indentation and remove duplicate line.
        (common_handle_option): Handle the -v option.
        For --help enable the display of undocumented options if the -v
        switch has been included on the command line.
        For --help= check for overlaps in the arguments between the option
        classes and the language names and issue a warning when they
        cannot be disambiguated.
        * c.opt (v): Pass on to the common option handler.

From-SVN: r132427

ChangeLog:

2008-01-12  Doug Kwan  <dougkwan@google.com>

	* c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
	instead of OPT_Wreturn_type in warning due to ignored return type
	qualifiers.
	* c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
	options included in -Wextra.
	* c.opt: New option -Wignored_qualifiers.
	* doc/invoke.texi (Warning Options, -Wextra): Add new option
	-Wignore_qualifiers.
	(-Wignored-qualifiers): Document.
	(-Wreturn-type): Remove description of functionality now handled
	by -Wignored-qualifiers.

cp/ChangeLog:

2008-01-12  Doug Kwan  <dougkwan@google.com>

	* decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
	instead of OPT_Wreturn_type in warning due to ignored return type
	qualifiers.
	* pt.c: (tsubst_function_type): Use OPT_Wignored_qualifiers
	instead of OPT_Wreturn_type in warning due to ignored return type
	qualifiers.

testsuite/ChangeLog:

2008-01-12  Doug Kwan  <dougkwan@google.com>

	* gcc.dg/qual-return-1.c: Add -Wignored-qualifiers.
	* g++.dg/warn/Wreturn-type-4.C: Replace -Wreturn-type by
	-Wignored-qualifiers.

From-SVN: r131499

	libcpp/
	* directives-only.c: New file.
	* internal.h (struct _cpp_dir_only_callbacks): New.
	(_cpp_preprocess_dir_only): New function.
	* directives.c (_cpp_handle_directive): Check directives_only before
	disabling execution of indented directives.
	* files.c (_cpp_stack_file): Add directives_only check.
	* include/cpplib.h (struct cpp_options): Add directives_only.
	(cpp_init_special_builtins): New function.
	* init.c (cpp_init_special_builtins): New function.
	(cpp_init_builtins): Move builtin_array initialization to
	cpp_init_special_builtins.
	(post_options): Check directives_only before setting
	pfile->state.prevent_expansion = 1.
	* macro.c (_cpp_builtin_macro_text): Print an error if __COUNTER__
	is expanded inside a directive while -fdirectives-only is enabled.
	* Makefile.in (libcpp_a_OBJS): Add directives-only.o.
	(libcpp_a_SOURCES): Add directives-only.c.

	gcc/
	* c-ppoutput.c (print_lines_directives_only): New function.
	(scan_translation_unit_directives_only): New function.
	(preprocess_file): Add call to scan_translation_unit_directives_only.
	* c-opts.c (c_common_handle_option): Add OPT_fdirectives_only.
	(sanitize_cpp_opts): Add default flag_dump_macros setting for
	-fdirectives-only.  Add errors for -fdirectives-only conflict with
	-Wunused-macros and -traditional.
	(finish_options): Add builtin macro initialization for
	-fdirectives-only + -fpreprocessed.
	* c.opt (fdirectives-only): New.
	* doc/cppopts.texi (fdirectives-only): New.

	gcc/testsuite/
	* gcc.dg/cpp/counter-2.c: New test.
	* gcc.dg/cpp/counter-3.c: New test.
	* gcc.dg/cpp/dir-only-1.c: New test.
	* gcc.dg/cpp/dir-only-1.h: New file.
	* gcc.dg/cpp/dir-only-2.c: New test.
	* gcc.dg/cpp/dir-only-3.c: New test.
	* gcc.dg/cpp/dir-only-3a.h: New file.
	* gcc.dg/cpp/dir-only-3b.h: New file.
	* gcc.dg/cpp/dir-only-4.c: New test.
	* gcc.dg/cpp/dir-only-5.c: New test.
	* gcc.dg/cpp/dir-only-6.c: New test.

From-SVN: r127066

Change copyright header to refer to version 3 of the GNU General Public License and to point readers at the COPYING3 file and the FSF's license web page.

From-SVN: r126948

2007-06-21  Geoffrey Keating  <geoffk@apple.com>

	* doc/invoke.texi (C++ Dialect Options): Document
	fvisibility-ms-compat.
	* c.opt (fvisibility-ms-compat): New.

Index: gcc/cp/ChangeLog
2007-06-21  Geoffrey Keating  <geoffk@apple.com>

	* decl2.c (determine_visibility): Implement
	flag_visibility_ms_compat effect on type info.
	* decl.c (cxx_init_decl_processing): Implement
	global effect of flag_visibility_ms_compat.

Index: gcc/testsuite/ChangeLog
2007-06-26  Geoffrey Keating  <geoffk@apple.com>

	* g++.dg/ext/visibility/ms-compat-1.C: New.

From-SVN: r126088