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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
- blr
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