ack/mach/vax4/libem/sar4.s
1985-01-18 14:30:03 +00:00

27 lines
342 B
ArmAsm

# $Header$
.globl .sar4
.sar4:
movl (sp)+,r2
movl (sp)+,r0
movl 8(r0),r1
subl2 (r0),(sp)
movl (sp)+,r0
mull2 r1,r0
addl2 (sp)+,r0
cmpl r1,$1
bgtr L3
cvtlb (sp)+,(r0)
jmp (r2)
L3:
cmpl r1,$2
bgtr L2
cvtlw (sp)+,(r0)
jmp (r2)
L2:
ashl $-2,r1,r1
L1:
movl (sp)+,(r0)+
sobgtr r1,L1
jmp (r2)