claude is gud

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+	.text
+	.align	3
+	.globl	__gmpn_sublsh2_n 
+	.type	__gmpn_sublsh2_n,@function
+__gmpn_sublsh2_n:
+	lsr	x18, x3, #2
+	tbz	x3, #0, .Lbx0
+
+.Lbx1:	ldr	x5, [x1]
+	tbnz	x3, #1, .Lb11
+
+.Lb01:	ldr	x11, [x2]
+	cbz	x18, .L1
+	ldp	x8, x9, [x2,#8]
+	lsl	x13, x11, #2
+	subs	x15, x5, x13
+	str	x15, [x0],#8
+	sub	x1, x1, #24
+	sub	x2, x2, #8
+	b	.Lmid
+
+.L1:	lsl	x13, x11, #2
+	subs	x15, x5, x13
+	str	x15, [x0]
+	lsr	x0, x11, 62
+	cinc	x0, x0, cc
+	ret
+
+.Lb11:	ldr	x9, [x2]
+	ldp	x10, x11, [x2,#8]!
+	lsl	x13, x9, #2
+	subs	x17, x5, x13
+	str	x17, [x0],#8
+	sub	x1, x1, #8
+	cbz	x18, .Lend
+	b	.Ltop
+
+.Lbx0:	tbnz	x3, #1, .Lb10
+
+.Lb00:	subs	x11, xzr, xzr
+	ldp	x8, x9, [x2],#-16
+	sub	x1, x1, #32
+	b	.Lmid
+
+.Lb10:	subs	x9, xzr, xzr
+	ldp	x10, x11, [x2]
+	sub	x1, x1, #16
+	cbz	x18, .Lend
+
+	.align	4
+.Ltop:	ldp	x4, x5, [x1,#16]
+	extr	x12, x10, x9, #62
+	ldp	x8, x9, [x2,#16]
+	extr	x13, x11, x10, #62
+	sbcs	x14, x4, x12
+	sbcs	x15, x5, x13
+	stp	x14, x15, [x0],#16
+.Lmid:	ldp	x4, x5, [x1,#32]!
+	extr	x12, x8, x11, #62
+	ldp	x10, x11, [x2,#32]!
+	extr	x13, x9, x8, #62
+	sbcs	x16, x4, x12
+	sbcs	x17, x5, x13
+	stp	x16, x17, [x0],#16
+	sub	x18, x18, #1
+	cbnz	x18, .Ltop
+
+.Lend:	ldp	x4, x5, [x1,#16]
+	extr	x12, x10, x9, #62
+	extr	x13, x11, x10, #62
+	sbcs	x14, x4, x12
+	sbcs	x15, x5, x13
+	stp	x14, x15, [x0]
+	lsr	x0, x11, 62
+	cinc	x0, x0, cc
+	ret
+	.size	__gmpn_sublsh2_n,.-__gmpn_sublsh2_n
+