mirror/upx
1
0
Fork 0
mirror of https://github.com/upx/upx synced 2025-09-28 19:06:07 +08:00
Code Issues Releases Wiki Activity

save 2 bytes when compressed

Browse Source 
committer: jreiser <jreiser> 994968843 +0000
This commit is contained in:
John Reiser 2001-07-12 20:14:03 +00:00
parent e4660b8608
commit d85f48fb97
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/stub/fold_elf86.asm
View File

@ -166,11 +166,11 @@ L20: ; move envp
L30: ; process auxv L30: ; process auxv
lodsd ; a_type lodsd ; a_type
stosd stosd
btr edx, eax ; no longer need a slot of type eax test eax, eax ; AT_NULL ? [flags: Zero, Sign, Parity; C=0, V=0]
test eax, eax ; AT_NULL ? btr edx, eax ; no longer need a slot of type eax [Carry only]
lodsd lodsd
stosd stosd
jne L30 jne L30 ; checks only Zero bit of flags
sub edi, byte 8 ; backup to AT_NULL sub edi, byte 8 ; backup to AT_NULL
add ecx, ecx ; two words per auxv add ecx, ecx ; two words per auxv