| // Copyright 2022 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. |
| |
| // This file contains rules used by the laterLower pass. |
| // These are often the exact inverse of rules in ARM64.rules. |
| |
| (ADDconst [c] x) && !isARM64addcon(c) => (ADD x (MOVDconst [c])) |
| (SUBconst [c] x) && !isARM64addcon(c) => (SUB x (MOVDconst [c])) |
| (ANDconst [c] x) && !isARM64bitcon(uint64(c)) => (AND x (MOVDconst [c])) |
| (ORconst [c] x) && !isARM64bitcon(uint64(c)) => (OR x (MOVDconst [c])) |
| (XORconst [c] x) && !isARM64bitcon(uint64(c)) => (XOR x (MOVDconst [c])) |
| (TSTconst [c] x) && !isARM64bitcon(uint64(c)) => (TST x (MOVDconst [c])) |
| (TSTWconst [c] x) && !isARM64bitcon(uint64(c)|uint64(c)<<32) => (TSTW x (MOVDconst [int64(c)])) |
| |
| (CMPconst [c] x) && !isARM64addcon(c) => (CMP x (MOVDconst [c])) |
| (CMPWconst [c] x) && !isARM64addcon(int64(c)) => (CMPW x (MOVDconst [int64(c)])) |
| (CMNconst [c] x) && !isARM64addcon(c) => (CMN x (MOVDconst [c])) |
| (CMNWconst [c] x) && !isARM64addcon(int64(c)) => (CMNW x (MOVDconst [int64(c)])) |
| |
| (ADDSconstflags [c] x) && !isARM64addcon(c) => (ADDSflags x (MOVDconst [c])) |
