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[Qemu-devel] [PATCH] savevm.c: Fix compilation error on 32bit host.
From: |
Evgeny Voevodin |
Subject: |
[Qemu-devel] [PATCH] savevm.c: Fix compilation error on 32bit host. |
Date: |
Wed, 15 Aug 2012 13:10:18 +0400 |
Casting of 0x0101010101010101ULL to long will truncate it to 32
bits on 32bit hosts, and won't truncate on 64bit hosts.
Signed-off-by: Evgeny Voevodin <address@hidden>
---
savevm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/savevm.c b/savevm.c
index 0ea10c9..9ab4d83 100644
--- a/savevm.c
+++ b/savevm.c
@@ -2473,7 +2473,7 @@ int xbzrle_encode_buffer(uint8_t *old_buf, uint8_t
*new_buf, int slen,
/* word at a time for speed, use of 32-bit long okay */
if (!res) {
/* truncation to 32-bit long okay */
- long mask = 0x0101010101010101ULL;
+ long mask = (long)0x0101010101010101ULL;
while (i < slen) {
xor = *(long *)(old_buf + i) ^ *(long *)(new_buf + i);
if ((xor - mask) & ~xor & (mask << 7)) {
--
1.7.9.5
- [Qemu-devel] [PATCH] savevm.c: Fix compilation error on 32bit host.,
Evgeny Voevodin <=