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cranelift: Implement sqrt in interpreter (#4362)

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This ignores SIMD for now.
This commit is contained in:
Afonso Bordado
2022-07-01 17:39:11 +01:00
committed by GitHub
parent 38ecd3744f
commit f2e6ff5e70
4 changed files with 115 additions and 1 deletions
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7
cranelift/interpreter/src/value.rs
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@@ -50,6 +50,7 @@ pub trait Value: Clone + From<DataValue> {
fn mul(self, other: Self) -> ValueResult<Self>;
fn div(self, other: Self) -> ValueResult<Self>;
fn rem(self, other: Self) -> ValueResult<Self>;
fn sqrt(self) -> ValueResult<Self>;
// Saturating arithmetic.
fn add_sat(self, other: Self) -> ValueResult<Self>;
@@ -275,6 +276,8 @@ impl Value for DataValue {
(DataValue::I64(n), types::I32) => DataValue::I32(i32::try_from(n)?),
(DataValue::I64(n), types::I64) => DataValue::I64(n),
(DataValue::I64(n), types::I128) => DataValue::I128(n as i128),
(DataValue::F32(n), types::I32) => DataValue::I32(n.bits() as i32),
(DataValue::F64(n), types::I64) => DataValue::I64(n.bits() as i64),
(DataValue::B(b), t) if t.is_bool() => DataValue::B(b),
(DataValue::B(b), t) if t.is_int() => {
// Bools are represented in memory as all 1's
@@ -461,6 +464,10 @@ impl Value for DataValue {
binary_match!(%(&self, &other); [I8, I16, I32, I64])
}
fn sqrt(self) -> ValueResult<Self> {
unary_match!(sqrt(&self); [F32, F64]; [Ieee32, Ieee64])
}
fn add_sat(self, other: Self) -> ValueResult<Self> {
binary_match!(saturating_add(self, &other); [I8, I16, I32, I64, I128, U8, U16, U32, U64, U128])
}