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+	.text
+	.align	3
+	.globl	___gmpn_sqr_diag_addlsh1 
+	
+___gmpn_sqr_diag_addlsh1:
+	ldr	x15, [x2],#8
+	lsr	x14, x3, #1
+	tbz	x3, #0, Lbx0
+
+Lbx1:	adds	x7, xzr, xzr
+	mul	x12, x15, x15
+	ldr	x16, [x2],#8
+	ldp	x4, x5, [x1],#16
+	umulh	x11, x15, x15
+	b	Lmid
+
+Lbx0:	adds	x5, xzr, xzr
+	mul	x12, x15, x15
+	ldr	x17, [x2],#16
+	ldp	x6, x7, [x1],#32
+	umulh	x11, x15, x15
+	sub	x14, x14, #1
+	cbz	x14, Lend
+
+	.align	4
+Ltop:	extr	x9, x6, x5, #63
+	mul	x10, x17, x17
+	ldr	x16, [x2,#-8]
+	adcs	x13, x9, x11
+	ldp	x4, x5, [x1,#-16]
+	umulh	x11, x17, x17
+	extr	x8, x7, x6, #63
+	stp	x12, x13, [x0],#16
+	adcs	x12, x8, x10
+Lmid:	extr	x9, x4, x7, #63
+	mul	x10, x16, x16
+	ldr	x17, [x2],#16
+	adcs	x13, x9, x11
+	ldp	x6, x7, [x1],#32
+	umulh	x11, x16, x16
+	extr	x8, x5, x4, #63
+	stp	x12, x13, [x0],#16
+	adcs	x12, x8, x10
+	sub	x14, x14, #1
+	cbnz	x14, Ltop
+
+Lend:	extr	x9, x6, x5, #63
+	mul	x10, x17, x17
+	adcs	x13, x9, x11
+	umulh	x11, x17, x17
+	extr	x8, x7, x6, #63
+	stp	x12, x13, [x0]
+	adcs	x12, x8, x10
+	extr	x9, xzr, x7, #63
+	adcs	x13, x9, x11
+	stp	x12, x13, [x0,#16]
+
+	ret
+