2010-04-09 Richard Guenther <rguenther@suse.de>

[pf3gnuchains/gcc-fork.git] / gcc / c.opt

diff --git a/gcc/c.opt b/gcc/c.opt
index bdf9531..01d6428 100644 (file)
--- a/gcc/c.opt
+++ b/gcc/c.opt
@@ -1,5 +1,5 @@
 ; Options for the C, ObjC, C++ and ObjC++ front ends.
 ; Options for the C, ObjC, C++ and ObjC++ front ends.

-; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
+; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

 ; Free Software Foundation, Inc.
 ;
 ; This file is part of GCC.
 ; Free Software Foundation, Inc.
 ;
 ; This file is part of GCC.


@@ -171,6 +171,10 @@ Wconversion
 C ObjC C++ ObjC++ Var(warn_conversion) Warning
 Warn for implicit type conversions that may change a value
 
 C ObjC C++ ObjC++ Var(warn_conversion) Warning
 Warn for implicit type conversions that may change a value
 

+Wconversion-null
+C++ ObjC++ Var(warn_conversion_null) Init(1) Warning
+Warn for converting NULL from/to a non-pointer type
+

 Wsign-conversion
 C ObjC C++ ObjC++ Var(warn_sign_conversion) Init(-1)
 Warn for implicit type conversions between signed and unsigned integers
 Wsign-conversion
 C ObjC C++ ObjC++ Var(warn_sign_conversion) Init(-1)
 Warn for implicit type conversions between signed and unsigned integers


@@ -259,21 +263,22 @@ C ObjC C++ ObjC++ Var(warn_init_self) Warning
 Warn about variables which are initialized to themselves
 
 Wimplicit
 Warn about variables which are initialized to themselves
 
 Wimplicit

-C ObjC C++ ObjC++ Warning
+C ObjC Var(warn_implicit) Init(-1) Warning
+Warn about implicit declarations

 
 Wimplicit-function-declaration
 C ObjC Var(warn_implicit_function_declaration) Init(-1) Warning
 Warn about implicit function declarations
 
 Wimplicit-int
 
 Wimplicit-function-declaration
 C ObjC Var(warn_implicit_function_declaration) Init(-1) Warning
 Warn about implicit function declarations
 
 Wimplicit-int

-C ObjC Var(warn_implicit_int) Warning
+C ObjC Var(warn_implicit_int) Init(-1) Warning

 Warn when a declaration does not specify a type
 
 Wimport
 C ObjC C++ ObjC++ Undocumented
 
 Wint-to-pointer-cast
 Warn when a declaration does not specify a type
 
 Wimport
 C ObjC C++ ObjC++ Undocumented
 
 Wint-to-pointer-cast

-C ObjC Var(warn_int_to_pointer_cast) Init(1) Warning
+C ObjC C++ ObjC++ Var(warn_int_to_pointer_cast) Init(1) Warning

 Warn when there is a cast to a pointer from an integer of a different size
 
 Winvalid-offsetof
 Warn when there is a cast to a pointer from an integer of a different size
 
 Winvalid-offsetof


@@ -684,6 +689,10 @@ C++ ObjC++
 fnonnull-objects
 C++ ObjC++
 
 fnonnull-objects
 C++ ObjC++
 

+fnothrow-opt
+C++ ObjC++ Optimization Var(flag_nothrow_opt)
+Treat a throw() exception specification as noexcept to improve code size
+

 ; Generate special '- .cxx_construct' and '- .cxx_destruct' methods
 ; to initialize any non-POD ivars in Objective-C++ classes.
 fobjc-call-cxx-cdtors
 ; Generate special '- .cxx_construct' and '- .cxx_destruct' methods
 ; to initialize any non-POD ivars in Objective-C++ classes.
 fobjc-call-cxx-cdtors


@@ -779,6 +788,10 @@ fstats
 C++ ObjC++
 Display statistics accumulated during compilation
 
 C++ ObjC++
 Display statistics accumulated during compilation
 

+fstrict-enums
+C++ ObjC++ Optimization Var(flag_strict_enums)
+Assume that values of enumeration type are always within the minimum range of that type
+

 fstrict-prototype
 C++ ObjC++
 
 fstrict-prototype
 C++ ObjC++
 


@@ -787,8 +800,11 @@ C ObjC C++ ObjC++ Joined RejectNegative UInteger
 -ftabstop=<number>     Distance between tab stops for column reporting
 
 ftemplate-depth-
 -ftabstop=<number>     Distance between tab stops for column reporting
 
 ftemplate-depth-

+C++ ObjC++ Joined RejectNegative UInteger Undocumented
+
+ftemplate-depth=

 C++ ObjC++ Joined RejectNegative UInteger
 C++ ObjC++ Joined RejectNegative UInteger

--ftemplate-depth-<number>      Specify maximum template instantiation depth
+-ftemplate-depth=<number>      Specify maximum template instantiation depth

 
 fthis-is-variable
 C++ ObjC++
 
 fthis-is-variable
 C++ ObjC++


@@ -875,7 +891,7 @@ C ObjC C++ ObjC++ Joined Separate
 
 imultilib
 C ObjC C++ ObjC++ Joined Separate
 
 imultilib
 C ObjC C++ ObjC++ Joined Separate

--imultilib <dir> Set <dir> to be the multilib include subdirectory
+-imultilib <dir>       Set <dir> to be the multilib include subdirectory

 
 include
 C ObjC C++ ObjC++ Joined Separate
 
 include
 C ObjC C++ ObjC++ Joined Separate


@@ -954,10 +970,18 @@ become a part of the upcoming ISO C++ standard, dubbed C++0x. Note that the
 extensions enabled by this mode are experimental and may be removed in
 future releases of GCC.
 
 extensions enabled by this mode are experimental and may be removed in
 future releases of GCC.
 

+std=c1x
+C ObjC
+Conform to the ISO 201X C standard draft (experimental and incomplete support)
+

 std=c89
 C ObjC
 Conform to the ISO 1990 C standard
 
 std=c89
 C ObjC
 Conform to the ISO 1990 C standard
 

+std=c90
+C ObjC
+Conform to the ISO 1990 C standard
+

 std=c99
 C ObjC
 Conform to the ISO 1999 C standard
 std=c99
 C ObjC
 Conform to the ISO 1999 C standard


@@ -977,10 +1001,18 @@ extensions that are likely to become a part of the upcoming ISO C++
 standard, dubbed C++0x. Note that the extensions enabled by this mode
 are experimental and may be removed in future releases of GCC.
 
 standard, dubbed C++0x. Note that the extensions enabled by this mode
 are experimental and may be removed in future releases of GCC.
 

+std=gnu1x
+C ObjC
+Conform to the ISO 201X C standard draft with GNU extensions (experimental and incomplete support)
+

 std=gnu89
 C ObjC
 Conform to the ISO 1990 C standard with GNU extensions
 
 std=gnu89
 C ObjC
 Conform to the ISO 1990 C standard with GNU extensions
 

+std=gnu90
+C ObjC
+Conform to the ISO 1990 C standard with GNU extensions
+

 std=gnu99
 C ObjC
 Conform to the ISO 1999 C standard with GNU extensions
 std=gnu99
 C ObjC
 Conform to the ISO 1999 C standard with GNU extensions