* doc/extend.texi (Nvidia PTX Variable Attributes): New section.
---
Applied to amonakov/gomp-nvptx branch.
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index e11ce4d..5eeb179 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -5469,6 +5469,7 @@ attributes.
* MeP Variable Attributes::
* Microsoft Windows Variable Attributes::
* MSP430 Variable Attributes::
+* Nvidia PTX Variable Attributes::
* PowerPC Variable Attributes::
* RL78 Variable Attributes::
* SPU Variable Attributes::
@@ -6099,6 +6100,20 @@ same name (@pxref{MSP430 Function Attributes}).
These attributes can be applied to both functions and variables.
@end table
+@node Nvidia PTX Variable Attributes
+@subsection Nvidia PTX Variable Attributes
+
+These variable attributes are supported by the Nvidia PTX back end:
+
+@table @code
+@item shared
+@cindex @code{shared} attribute, Nvidia PTX
+Use this attribute to place a variable in the @code{.shared} memory space.
+This memory space is private to each cooperative thread array; only threads
+within one thread block refer to the same instance of the variable.
+The runtime does not initialize variables in this memory space.
+@end table
+
@node PowerPC Variable Attributes
@subsection PowerPC Variable Attributes
