pad step_workspace to 64 bytes, to speed up access to gct->steps[]

[ghc-hetmet.git] / includes / Rts.h

diff --git a/includes/Rts.h b/includes/Rts.h
index ec84ed9..1d455f0 100644 (file)
--- a/includes/Rts.h
+++ b/includes/Rts.h
@@ -38,6 +38,12 @@ extern "C" {
 #define FLEXIBLE_ARRAY 0
 #endif
 
+#if __GNUC__ >= 3
+#define ATTRIBUTE_ALIGNED(n) __attribute__((aligned(n)))
+#else
+#define ATTRIBUTE_ALIGNED(n) /*nothing*/
+#endif
+
 /* Fix for mingw stat problem (done here so it's early enough) */
 #ifdef mingw32_HOST_OS
 #define __MSVCRT__ 1