| // Copyright 2020 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| #include "textflag.h" | |
| // func getisar0() uint64 | |
| TEXT ·getisar0(SB),NOSPLIT,$0 | |
| // get Instruction Set Attributes 0 into R0 | |
| MRS ID_AA64ISAR0_EL1, R0 | |
| MOVD R0, ret+0(FP) | |
| RET |