From: Michael Brown <mcb30@etherboot.org>
Date: Sun, 15 Jul 2007 00:25:13 +0000 (+0100)
Subject: "not" doesn't affect flags, "xor $-1" does.
X-Git-Tag: v0.9.3~203
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3feac9465eadcaf0bcb4712b3ee0e872a2aa8b1d;p=thirdparty%2Fipxe.git

"not" doesn't affect flags, "xor $-1" does.
---

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: