/* 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