Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Multiply operation for 32 bit integers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *	Input :	Operand1 in Reg r5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *		Operand2 in Reg r6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *	Output: Result [op1 * op2] in Reg r3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	.text
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	.globl	__mulsi3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	.type __mulsi3,  @function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	.ent __mulsi3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) __mulsi3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	.frame	r1, 0, r15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	add	r3, r0, r0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	beqi	r5, result_is_zero /* multiply by zero */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	beqi	r6, result_is_zero /* multiply by zero */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	bgeid	r5, r5_pos
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	xor	r4, r5, r6 /* get the sign of the result */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	rsubi	r5, r5, 0 /* make r5 positive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) r5_pos:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	bgei	r6, r6_pos
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	rsubi	r6, r6, 0 /* make r6 positive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) r6_pos:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	bri	l1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) l2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	add	r5, r5, r5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) l1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	srl	r6, r6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	addc	r7, r0, r0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	beqi	r7, l2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	bneid	r6, l2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	add	r3, r3, r5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	blti	r4, negateresult
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	rtsd	r15, 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) negateresult:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	rtsd	r15, 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	rsub	r3, r3, r0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) result_is_zero:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	rtsd	r15, 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	addi	r3, r0, 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .size __mulsi3,  . - __mulsi3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .end __mulsi3