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cranelift: Add support for i128 values in DataValue

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This commit is contained in:
Afonso Bordado
2021-07-23 09:22:57 +01:00
committed by Andrew Brown
parent df48798396
commit 084383f60a
1 changed files with 12 additions and 4 deletions
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16
cranelift/codegen/src/data_value.rs
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@@ -18,24 +18,27 @@ pub enum DataValue {
I16(i16),
I32(i32),
I64(i64),
I128(i128),
U8(u8),
U16(u16),
U32(u32),
U64(u64),
U128(u128),
F32(Ieee32),
F64(Ieee64),
V128([u8; 16]),
}
impl DataValue {
/// Try to cast an immediate integer (a wrapped `i64` on most Cranelift instructions) to the
/// Try to cast an immediate integer (a wrapped `i128` on most Cranelift instructions) to the
/// given Cranelift [Type].
pub fn from_integer(imm: i64, ty: Type) -> Result<DataValue, DataValueCastFailure> {
pub fn from_integer(imm: i128, ty: Type) -> Result<DataValue, DataValueCastFailure> {
match ty {
types::I8 => Ok(DataValue::I8(imm as i8)),
types::I16 => Ok(DataValue::I16(imm as i16)),
types::I32 => Ok(DataValue::I32(imm as i32)),
types::I64 => Ok(DataValue::I64(imm)),
types::I64 => Ok(DataValue::I64(imm as i64)),
types::I128 => Ok(DataValue::I128(imm)),
_ => Err(DataValueCastFailure::FromInteger(imm, ty)),
}
}
@@ -48,6 +51,7 @@ impl DataValue {
DataValue::I16(_) | DataValue::U16(_) => types::I16,
DataValue::I32(_) | DataValue::U32(_) => types::I32,
DataValue::I64(_) | DataValue::U64(_) => types::I64,
DataValue::I128(_) | DataValue::U128(_) => types::I128,
DataValue::F32(_) => types::F32,
DataValue::F64(_) => types::F64,
DataValue::V128(_) => types::I8X16, // A default type.
@@ -100,7 +104,7 @@ impl DataValue {
#[allow(missing_docs)]
pub enum DataValueCastFailure {
TryInto(Type, Type),
FromInteger(i64, Type),
FromInteger(i128, Type),
}
// This is manually implementing Error and Display instead of using thiserror to reduce the amount
@@ -157,10 +161,12 @@ build_conversion_impl!(i8, I8, I8);
build_conversion_impl!(i16, I16, I16);
build_conversion_impl!(i32, I32, I32);
build_conversion_impl!(i64, I64, I64);
build_conversion_impl!(i128, I128, I128);
build_conversion_impl!(u8, U8, I8);
build_conversion_impl!(u16, U16, I16);
build_conversion_impl!(u32, U32, I32);
build_conversion_impl!(u64, U64, I64);
build_conversion_impl!(u128, U128, I128);
build_conversion_impl!(Ieee32, F32, F32);
build_conversion_impl!(Ieee64, F64, F64);
build_conversion_impl!([u8; 16], V128, I8X16);
@@ -178,10 +184,12 @@ impl Display for DataValue {
DataValue::I16(dv) => write!(f, "{}", dv),
DataValue::I32(dv) => write!(f, "{}", dv),
DataValue::I64(dv) => write!(f, "{}", dv),
DataValue::I128(dv) => write!(f, "{}", dv),
DataValue::U8(dv) => write!(f, "{}", dv),
DataValue::U16(dv) => write!(f, "{}", dv),
DataValue::U32(dv) => write!(f, "{}", dv),
DataValue::U64(dv) => write!(f, "{}", dv),
DataValue::U128(dv) => write!(f, "{}", dv),
// The Ieee* wrappers here print the expected syntax.
DataValue::F32(dv) => write!(f, "{}", dv),
DataValue::F64(dv) => write!(f, "{}", dv),