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-rw-r--r--src/arch/i386/prefix/unnrv2b.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/arch/i386/prefix/unnrv2b.S b/src/arch/i386/prefix/unnrv2b.S
index 50776dc93..d62441a95 100644
--- a/src/arch/i386/prefix/unnrv2b.S
+++ b/src/arch/i386/prefix/unnrv2b.S
@@ -128,7 +128,7 @@ loop1_n2b:
shl $8, %xAX
movb (%xSI), %al /* m_off = (m_off - 3)*256 + src[ilen++] */
inc %xSI
- not %xAX
+ xor $-1, %xAX
jz decompr_end_n2b /* if (m_off == 0xffffffff) goto decomp_end_n2b */
mov %xAX, %xBP /* last_m_off = m_off ?*/
decompr_ebpeax_n2b: