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internal/runtime: check abi.TFlagRegularMemory

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This commit is contained in:
visualfc
2024-07-04 07:33:01 +08:00
parent bcb217c1da
commit be32f4072e
2 changed files with 73 additions and 19 deletions
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21
internal/runtime/alg.go
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@@ -134,21 +134,8 @@ func nilinterhash(p unsafe.Pointer, h uintptr) uintptr {
// Note: this function must match the compiler generated
// functions exactly. See issue 37716.
func typehash(t *_type, p unsafe.Pointer, h uintptr) uintptr {
// if t.TFlag&abi.TFlagRegularMemory != 0 {
// // Handle ptr sizes specially, see issue 37086.
// switch t.Size_ {
// case 4:
// return memhash32(p, h)
// case 8:
// return memhash64(p, h)
// default:
// return memhash(p, h, t.Size_)
// }
// }
switch t.Kind() {
case abi.Bool, abi.Int, abi.Int8, abi.Int16, abi.Int32, abi.Int64,
abi.Uint, abi.Uint8, abi.Uint16, abi.Uint32, abi.Uint64,
abi.Uintptr, abi.UnsafePointer, abi.Pointer:
if t.TFlag&abi.TFlagRegularMemory != 0 {
// Handle ptr sizes specially, see issue 37086.
switch t.Size_ {
case 4:
return memhash32(p, h)
@@ -157,6 +144,8 @@ func typehash(t *_type, p unsafe.Pointer, h uintptr) uintptr {
default:
return memhash(p, h, t.Size_)
}
}
switch t.Kind() {
case abi.Float32:
return f32hash(p, h)
case abi.Float64:
@@ -179,8 +168,6 @@ func typehash(t *_type, p unsafe.Pointer, h uintptr) uintptr {
h = typehash(a.Elem, add(p, i*a.Elem.Size_), h)
}
return h
case abi.Chan:
return typehash(t.Elem(), p, h)
case abi.Struct:
s := (*structtype)(unsafe.Pointer(t))
for _, f := range s.Fields {