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-rw-r--r--src/gallium/include/pipe/p_compiler.h6
-rw-r--r--src/gallium/include/pipe/p_context.h3
2 files changed, 9 insertions, 0 deletions
diff --git a/src/gallium/include/pipe/p_compiler.h b/src/gallium/include/pipe/p_compiler.h
index c13cffceb0..c36286f9be 100644
--- a/src/gallium/include/pipe/p_compiler.h
+++ b/src/gallium/include/pipe/p_compiler.h
@@ -167,11 +167,17 @@ typedef unsigned char boolean;
#define ALIGN16_ASSIGN(NAME) NAME##___aligned
#define ALIGN16_ATTRIB __attribute__(( aligned( 16 ) ))
#define ALIGN8_ATTRIB __attribute__(( aligned( 8 ) ))
+#if __GNUC__ > 4 || (__GNUC__ == 4 &&__GNUC_MINOR__>1)
+#define ALIGN_STACK __attribute__((force_align_arg_pointer))
+#else
+#define ALIGN_STACK
+#endif
#else
#define ALIGN16_DECL(TYPE, NAME, SIZE) TYPE NAME##___unaligned[SIZE + 1]
#define ALIGN16_ASSIGN(NAME) align16(NAME##___unaligned)
#define ALIGN16_ATTRIB
#define ALIGN8_ATTRIB
+#define ALIGN_STACK
#endif
diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h
index 39620a7198..5569001e60 100644
--- a/src/gallium/include/pipe/p_context.h
+++ b/src/gallium/include/pipe/p_context.h
@@ -189,6 +189,9 @@ struct pipe_context {
/**
* Surface functions
+ *
+ * The pipe driver is allowed to set these functions to NULL, and in that
+ * case, they will not be available.
*/
/*@{*/