/* SPDX-License-Identifier: GPL-2.0-or-later
 *
 * Test basic matrix multiply assist (MMA) functionality if available.
 *
 * Copyright 2020, Alistair Popple, IBM Corp.
 */
        .global test_mma
test_mma:
        /* Load accumulator via VSX registers from image passed in r3 */
        lxvh8x  4,0,3
        lxvh8x  5,0,4

        /* Clear and prime the accumulator (xxsetaccz) */
        .long   0x7c030162

        /* Prime the accumulator with MMA VSX move to accumulator
        * X-form (xxmtacc) (not needed due to above zeroing) */
        //.long 0x7c010162

        /* xvi16ger2s */
        .long   0xec042958

        /* Deprime the accumulator - xxmfacc 0 */
        .long 0x7c000162

        /* Store result in image passed in r5 */
        stxvw4x 0,0,5
        addi    5,5,16
        stxvw4x 1,0,5
        addi    5,5,16
        stxvw4x 2,0,5
        addi    5,5,16
        stxvw4x 3,0,5
        addi    5,5,16

        blr