| // asmcheck |
| |
| // Copyright 2026 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. |
| |
| package codegen |
| |
| // From issue #77720: cmd/compile: field access on struct-returning method copies entire struct |
| |
| type moveLoadBig struct { |
| typ int8 |
| index int64 |
| str string |
| pkgID string |
| } |
| |
| type moveLoadHandle[T any] struct { |
| value *T |
| } |
| |
| func (h moveLoadHandle[T]) Value() T { return *h.value } |
| |
| type moveLoadS struct { |
| h moveLoadHandle[moveLoadBig] |
| } |
| |
| func moveLoadFieldViaValue(s moveLoadS) int8 { |
| // amd64:-`MOVUPS` |
| // amd64:`MOVBLZX` |
| return s.h.Value().typ |
| } |
| |
| func moveLoadFieldViaValueInline(ss []moveLoadS, i int) int8 { |
| // amd64:-`MOVUPS` |
| // amd64:`MOVBLZX` |
| return ss[i&7].h.Value().typ |
| } |
