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higher alignment requirement on rocstr/roclist

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Folkert 2021-09-04 15:18:37 +02:00
parent 6beff62ece
commit 1d17a21d1f
3 changed files with 12 additions and 8 deletions
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14
compiler/mono/src/layout.rs
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@ -1151,10 +1151,13 @@ impl<'a> Builtin<'a> {
Float64 => align_of::<f64>() as u32,
Float32 => align_of::<f32>() as u32,
Float16 => align_of::<i16>() as u32,
Str | EmptyStr => pointer_size,
Dict(_, _) | EmptyDict => pointer_size,
Set(_) | EmptySet => pointer_size,
List(_) | EmptyList => pointer_size,
// we often treat these as i128 (64-bit systems)
// or i64 (32-bit systems). For that to be safe
// they must be aligned to allow such access
List(_) | EmptyList => 2 * pointer_size,
Str | EmptyStr => 2 * pointer_size,
}
}
@ -1240,9 +1243,10 @@ impl<'a> Builtin<'a> {
Builtin::Str => pointer_size,
Builtin::Dict(k, v) => k
.alignment_bytes(pointer_size)
.max(v.alignment_bytes(pointer_size)),
Builtin::Set(k) => k.alignment_bytes(pointer_size),
Builtin::List(e) => e.alignment_bytes(pointer_size),
.max(v.alignment_bytes(pointer_size))
.max(pointer_size),
Builtin::Set(k) => k.alignment_bytes(pointer_size).max(pointer_size),
Builtin::List(e) => e.alignment_bytes(pointer_size).max(pointer_size),
Builtin::EmptyStr | Builtin::EmptyList | Builtin::EmptyDict | Builtin::EmptySet => {
unreachable!("not heap-allocated")
}