bjoernager/rust
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Fix simd_cast

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This commit is contained in:
bjorn3 2019-07-31 09:45:11 +02:00
parent aa803f4fa6
commit b806070a88
6 changed files with 130 additions and 86 deletions
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39
src/base.rs
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@ -436,7 +436,6 @@ fn trans_stmt<'a, 'tcx: 'a>(
let discr = trans_get_discriminant(fx, place, fx.layout_of(to_ty));
lval.write_cvalue(fx, discr);
} else {
let from_clif_ty = fx.clif_type(from_ty).unwrap();
let to_clif_ty = fx.clif_type(to_ty).unwrap();
let from = operand.load_scalar(fx);
@ -447,43 +446,7 @@ fn trans_stmt<'a, 'tcx: 'a>(
_ => panic!("{}", from_ty),
};
let res = if from_clif_ty.is_int() && to_clif_ty.is_int() {
// int-like -> int-like
crate::common::clif_intcast(
fx,
from,
to_clif_ty,
signed,
)
} else if from_clif_ty.is_int() && to_clif_ty.is_float() {
// int-like -> float
if signed {
fx.bcx.ins().fcvt_from_sint(to_clif_ty, from)
} else {
fx.bcx.ins().fcvt_from_uint(to_clif_ty, from)
}
} else if from_clif_ty.is_float() && to_clif_ty.is_int() {
// float -> int-like
let from = operand.load_scalar(fx);
if signed {
fx.bcx.ins().fcvt_to_sint_sat(to_clif_ty, from)
} else {
fx.bcx.ins().fcvt_to_uint_sat(to_clif_ty, from)
}
} else if from_clif_ty.is_float() && to_clif_ty.is_float() {
// float -> float
match (from_clif_ty, to_clif_ty) {
(types::F32, types::F64) => {
fx.bcx.ins().fpromote(types::F64, from)
}
(types::F64, types::F32) => {
fx.bcx.ins().fdemote(types::F32, from)
}
_ => from,
}
} else {
unimpl!("rval misc {:?} {:?}", from_ty, to_ty)
};
let res = clif_int_or_float_cast(fx, from, to_clif_ty, signed);
lval.write_cvalue(fx, CValue::by_val(res, dest_layout));
}
}