summaryrefslogtreecommitdiffstats
path: root/arch/tile/lib/memcpy_64.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/tile/lib/memcpy_64.c')
-rw-r--r--arch/tile/lib/memcpy_64.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/tile/lib/memcpy_64.c b/arch/tile/lib/memcpy_64.c
index 3fab9a6a2bb..c79b8e7c682 100644
--- a/arch/tile/lib/memcpy_64.c
+++ b/arch/tile/lib/memcpy_64.c
@@ -15,7 +15,6 @@
#include <linux/types.h>
#include <linux/string.h>
#include <linux/module.h>
-#define __memcpy memcpy
/* EXPORT_SYMBOL() is in arch/tile/lib/exports.c since this should be asm. */
/* Must be 8 bytes in size. */
@@ -188,6 +187,7 @@ int USERCOPY_FUNC(void *__restrict dstv, const void *__restrict srcv, size_t n)
/* n != 0 if we get here. Write out any trailing bytes. */
dst1 = (char *)dst8;
+#ifndef __BIG_ENDIAN__
if (n & 4) {
ST4((uint32_t *)dst1, final);
dst1 += 4;
@@ -202,11 +202,30 @@ int USERCOPY_FUNC(void *__restrict dstv, const void *__restrict srcv, size_t n)
}
if (n)
ST1((uint8_t *)dst1, final);
+#else
+ if (n & 4) {
+ ST4((uint32_t *)dst1, final >> 32);
+ dst1 += 4;
+ }
+ else
+ {
+ final >>= 32;
+ }
+ if (n & 2) {
+ ST2((uint16_t *)dst1, final >> 16);
+ dst1 += 2;
+ }
+ else
+ {
+ final >>= 16;
+ }
+ if (n & 1)
+ ST1((uint8_t *)dst1, final >> 8);
+#endif
return RETVAL;
}
-
#ifdef USERCOPY_FUNC
#undef ST1
#undef ST2