// Copyright 2019 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 flagalloc to split // a flag-generating merged load op into separate load and op. // Unlike with the other rules files, not all of these // rules will be applied to all values. // Rather, flagalloc will request for rules to be applied // to a particular problematic value. // These are often the exact inverse of rules in AMD64.rules, // only with the conditions removed. (CMP(Q|L|W|B)load {sym} [off] ptr x mem) -> (CMP(Q|L|W|B) (MOV(Q|L|W|B)load {sym} [off] ptr mem) x) (CMP(Q|L|W|B)constload {sym} [vo] ptr mem) -> (CMP(Q|L|W|B)const (MOV(Q|L|W|B)load {sym} [offOnly(vo)] ptr mem) [valOnly(vo)])