From 36822c50ad84d255f1e7c94b56cfff1cd8bcef85 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 8 Jun 2001 12:49:38 +0000
Subject: use unoptimized COPY_4UBV code on SPARC to avoid memory alignment
 problems (bug 430689)

---
 src/mesa/main/macros.h | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'src/mesa/main/macros.h')

diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index 9a32ad5bd4..fb9f029ac2 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -1,4 +1,4 @@
-/* $Id: macros.h,v 1.21 2001/04/19 12:22:09 keithw Exp $ */
+/* $Id: macros.h,v 1.22 2001/06/08 12:49:38 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -122,6 +122,15 @@ do {						\
    (DST)[3] = (SRC)[3];				\
 } while (0)
 
+#if defined(__sparc__)
+/* Using the GLuint cast fails if DST or SRC are not dword-aligned */
+do {						\
+   (DST)[0] = (SRC)[0];				\
+   (DST)[1] = (SRC)[1];				\
+   (DST)[2] = (SRC)[2];				\
+   (DST)[3] = (SRC)[3];				\
+} while (0)
+#else
 #define COPY_4UBV(DST, SRC)			\
 do {						\
    if (sizeof(GLuint)==4*sizeof(GLubyte)) {	\
@@ -134,7 +143,7 @@ do {						\
       (DST)[3] = (SRC)[3];			\
    }						\
 } while (0)
-
+#endif
 
 #define COPY_2FV( DST, SRC )			\
 do {						\
-- 
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