sysadmin/ipxe
1
0
Fork 0
mirror of https://github.com/ipxe/ipxe synced 2025-12-15 17:12:54 +03:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
Michael Brown
2007-07-15 01:25:13 +01:00
parent 7e3a8f5e10
commit 3feac9465e
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/arch/i386/prefix/unnrv2b.S
View File

@@ -128,7 +128,7 @@ loop1_n2b:
shl $8, %xAX shl $8, %xAX
movb (%xSI), %al /* m_off = (m_off - 3)*256 + src[ilen++] */ movb (%xSI), %al /* m_off = (m_off - 3)*256 + src[ilen++] */
inc %xSI inc %xSI
not %xAX xor $-1, %xAX
jz decompr_end_n2b /* if (m_off == 0xffffffff) goto decomp_end_n2b */ jz decompr_end_n2b /* if (m_off == 0xffffffff) goto decomp_end_n2b */
mov %xAX, %xBP /* last_m_off = m_off ?*/ mov %xAX, %xBP /* last_m_off = m_off ?*/
decompr_ebpeax_n2b: decompr_ebpeax_n2b: