diff options
| -rw-r--r-- | sys/amd64/amd64/support.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/amd64/amd64/support.S b/sys/amd64/amd64/support.S index b445ceef8b46..ab45e56a05f2 100644 --- a/sys/amd64/amd64/support.S +++ b/sys/amd64/amd64/support.S @@ -729,7 +729,7 @@ ENTRY(rdmsr_safe) rdmsr /* Read MSR pointed by %ecx. Returns hi byte in edx, lo in %eax */ salq $32,%rdx /* sign-shift %rdx left */ - cltq /* sign-extend %eax -> %rax */ + movl %eax,%eax /* zero-extend %eax -> %rax */ orq %rdx,%rax movq %rax,(%rsi) xorq %rax,%rax |