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Add stubs for f16 and f128 to miri

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This commit is contained in:
Trevor Gross 2024-02-28 03:55:14 -05:00
parent ae70502a2e
commit c17a516a3a
1 changed files with 10 additions and 0 deletions
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10
src/tools/miri/src/shims/intrinsics/simd.rs
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@ -83,8 +83,10 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
let op = op.to_scalar();
// "Bitwise" operation, no NaN adjustments
match float_ty {
FloatTy::F16 => unimplemented!("f16_f128"),
FloatTy::F32 => Scalar::from_f32(op.to_f32()?.abs()),
FloatTy::F64 => Scalar::from_f64(op.to_f64()?.abs()),
FloatTy::F128 => unimplemented!("f16_f128"),
}
}
Op::Sqrt => {
@ -93,6 +95,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
};
// FIXME using host floats
match float_ty {
FloatTy::F16 => unimplemented!("f16_f128"),
FloatTy::F32 => {
let f = op.to_scalar().to_f32()?;
let res = f.to_host().sqrt().to_soft();
@ -105,6 +108,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
let res = this.adjust_nan(res, &[f]);
Scalar::from(res)
}
FloatTy::F128 => unimplemented!("f16_f128"),
}
}
Op::Round(rounding) => {
@ -112,6 +116,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
span_bug!(this.cur_span(), "{} operand is not a float", intrinsic_name)
};
match float_ty {
FloatTy::F16 => unimplemented!("f16_f128"),
FloatTy::F32 => {
let f = op.to_scalar().to_f32()?;
let res = f.round_to_integral(rounding).value;
@ -124,6 +129,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
let res = this.adjust_nan(res, &[f]);
Scalar::from_f64(res)
}
FloatTy::F128 => unimplemented!("f16_f128"),
}
}
Op::Numeric(name) => {
@ -267,6 +273,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
span_bug!(this.cur_span(), "{} operand is not a float", intrinsic_name)
};
let val = match float_ty {
FloatTy::F16 => unimplemented!("f16_f128"),
FloatTy::F32 => {
let a = a.to_f32()?;
let b = b.to_f32()?;
@ -283,6 +290,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
let res = this.adjust_nan(res, &[a, b, c]);
Scalar::from(res)
}
FloatTy::F128 => unimplemented!("f16_f128"),
};
this.write_scalar(val, &dest)?;
}
@ -724,6 +732,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
let left = left.to_scalar();
let right = right.to_scalar();
Ok(match float_ty {
FloatTy::F16 => unimplemented!("f16_f128"),
FloatTy::F32 => {
let left = left.to_f32()?;
let right = right.to_f32()?;
@ -744,6 +753,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
let res = this.adjust_nan(res, &[left, right]);
Scalar::from_f64(res)
}
FloatTy::F128 => unimplemented!("f16_f128"),
})
}
}