NetBSD/lib/libc/arch/i386/gen/fpsetround.S

28 lines
341 B
ArmAsm

/*
* Written by Charles M. Hannum, Apr 9, 1995
* Public domain.
*/
#include <machine/asm.h>
ENTRY(fpsetround)
subl $4,%esp
fnstcw (%esp)
movl (%esp),%eax
rorl $10,%eax
movl %eax,%edx
andl $3,%eax
subl %eax,%edx
movl 8(%esp),%ecx
andl $3,%ecx
orl %ecx,%edx
roll $10,%edx
movl %edx,(%esp)
fldcw (%esp)
addl $4,%esp
ret