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/* 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
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