diff options
Diffstat (limited to 'usr/klibc/arch/i386/libgcc/__lshrdi3.S')
| -rw-r--r-- | usr/klibc/arch/i386/libgcc/__lshrdi3.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/usr/klibc/arch/i386/libgcc/__lshrdi3.S b/usr/klibc/arch/i386/libgcc/__lshrdi3.S new file mode 100644 index 0000000..6a63c52 --- /dev/null +++ b/usr/klibc/arch/i386/libgcc/__lshrdi3.S @@ -0,0 +1,29 @@ +/* + * arch/i386/libgcc/__lshrdi3.S + * + * 64-bit shr + */ + .text + .align 4 + .globl __lshrdi3 + .type __lshrdi3,@function +__lshrdi3: +#ifndef _REGPARM + movl 4(%esp),%eax + movl 8(%esp),%edx + movb 12(%esp),%cl +#endif + cmpb $32,%cl + jae 1f + + shrdl %cl,%edx,%eax + shrl %cl,%edx + ret + +1: + shrl %cl,%edx + xorl %eax,%eax + xchgl %edx,%eax + ret + + .size __lshrdi3,.-__lshrdi3 |