summary refs log tree commit diff
path: root/sysdeps/i960/mul_1.s
blob: e75ea42d396cd970775d3a0b1b013021b59c196d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
.text
	.align	4
	.globl	___mpn_mul_1
___mpn_mul_1:
	subo	g2,0,g2
	shlo	2,g2,g4
	subo	g4,g1,g1
	subo	g4,g0,g13
	mov	0,g0

	cmpo	1,0		# clear C bit on AC.cc

Loop:	ld	(g1)[g2*4],g5
	emul	g3,g5,g6

	addc	g0,g6,g6	# relies on that C bit is clear
	st	g6,(g13)[g2*4]
	addc	0,g7,g0

	addo	g2,1,g2
	cmpobne	0,g2,Loop	# when branch is taken, clears C bit

	ret