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Remove f16. It is not really supported by modern CPU hardware.

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This commit is contained in:
Brendan Hansknecht 2021-09-21 16:51:47 -07:00
parent 09aa522ee5
commit 0c6f8f308f
8 changed files with 10 additions and 22 deletions
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12
compiler/mono/src/layout.rs
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@ -681,7 +681,6 @@ pub enum Builtin<'a> {
Float128,
Float64,
Float32,
Float16,
Str,
Dict(&'a Layout<'a>, &'a Layout<'a>),
Set(&'a Layout<'a>),
@ -1119,7 +1118,6 @@ impl<'a> Builtin<'a> {
const F128_SIZE: u32 = 16;
const F64_SIZE: u32 = std::mem::size_of::<f64>() as u32;
const F32_SIZE: u32 = std::mem::size_of::<f32>() as u32;
const F16_SIZE: u32 = 2;
/// Number of machine words in an empty one of these
pub const STR_WORDS: u32 = 2;
@ -1149,7 +1147,6 @@ impl<'a> Builtin<'a> {
Float128 => Builtin::F128_SIZE,
Float64 => Builtin::F64_SIZE,
Float32 => Builtin::F32_SIZE,
Float16 => Builtin::F16_SIZE,
Str | EmptyStr => Builtin::STR_WORDS * pointer_size,
Dict(_, _) | EmptyDict => Builtin::DICT_WORDS * pointer_size,
Set(_) | EmptySet => Builtin::SET_WORDS * pointer_size,
@ -1176,7 +1173,6 @@ impl<'a> Builtin<'a> {
Float128 => align_of::<i128>() as u32,
Float64 => align_of::<f64>() as u32,
Float32 => align_of::<f32>() as u32,
Float16 => align_of::<i16>() as u32,
Dict(_, _) | EmptyDict => pointer_size,
Set(_) | EmptySet => pointer_size,
// we often treat these as i128 (64-bit systems)
@ -1194,7 +1190,7 @@ impl<'a> Builtin<'a> {
match self {
Int128 | Int64 | Int32 | Int16 | Int8 | Int1 | Usize | Decimal | Float128 | Float64
| Float32 | Float16 | EmptyStr | EmptyDict | EmptyList | EmptySet => true,
| Float32 | EmptyStr | EmptyDict | EmptyList | EmptySet => true,
Str | Dict(_, _) | Set(_) | List(_) => false,
}
}
@ -1205,7 +1201,7 @@ impl<'a> Builtin<'a> {
match self {
Int128 | Int64 | Int32 | Int16 | Int8 | Int1 | Usize | Decimal | Float128 | Float64
| Float32 | Float16 | EmptyStr | EmptyDict | EmptyList | EmptySet => false,
| Float32 | EmptyStr | EmptyDict | EmptyList | EmptySet => false,
List(_) => true,
Str | Dict(_, _) | Set(_) => true,
@ -1232,7 +1228,6 @@ impl<'a> Builtin<'a> {
Float128 => alloc.text("Float128"),
Float64 => alloc.text("Float64"),
Float32 => alloc.text("Float32"),
Float16 => alloc.text("Float16"),
EmptyStr => alloc.text("EmptyStr"),
EmptyList => alloc.text("EmptyList"),
@ -1266,8 +1261,7 @@ impl<'a> Builtin<'a> {
| Builtin::Decimal
| Builtin::Float128
| Builtin::Float64
| Builtin::Float32
| Builtin::Float16 => unreachable!("not heap-allocated"),
| Builtin::Float32 => unreachable!("not heap-allocated"),
Builtin::Str => pointer_size,
Builtin::Dict(k, v) => k
.alignment_bytes(pointer_size)