View Single Post
Old 2013-05-07, 22:47   #23
frmky
 
frmky's Avatar
 
Jul 2003
So Cal

81416 Posts
Default

Quote:
Originally Posted by henryzz View Post
I compiled using a xeon asm directory rather than the athlon64 directory. The athlon64 code errors out when I run it(it runs incorrectly).
This is probably due to a single prefetchw instruction in one of the ASM files. Just to be different, Intel decided to not implement this instruction in their earliest x86_64 processors. After much yelling, they implemented it as a NOP. Just remove this instruction and all should be fine.
frmky is offline   Reply With Quote