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Fix simd_round implementation

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This commit is contained in:
bjorn3 2021-07-25 18:44:42 +02:00
parent 90e4493b98
commit 6d2221d1bb
1 changed files with 19 additions and 3 deletions
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22
src/intrinsics/simd.rs
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@ -289,9 +289,23 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
simd_round, (c a) {
validate_simd_type!(fx, intrinsic, span, a.layout().ty);
simd_for_each_lane(fx, a, ret, |fx, _lane_layout, ret_lane_layout, lane| {
let ret_lane = fx.bcx.ins().nearest(lane);
CValue::by_val(ret_lane, ret_lane_layout)
simd_for_each_lane(fx, a, ret, |fx, lane_layout, ret_lane_layout, lane| {
let res_lane = match lane_layout.ty.kind() {
ty::Float(FloatTy::F32) => fx.lib_call(
"roundf",
vec![AbiParam::new(types::F32)],
vec![AbiParam::new(types::F32)],
&[lane],
)[0],
ty::Float(FloatTy::F64) => fx.lib_call(
"round",
vec![AbiParam::new(types::F64)],
vec![AbiParam::new(types::F64)],
&[lane],
)[0],
_ => unreachable!("{:?}", lane_layout.ty),
};
CValue::by_val(res_lane, ret_lane_layout)
});
};
simd_ceil, (c a) {
@ -409,5 +423,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
// simd_saturating_*
// simd_bitmask
// simd_scatter
// simd_gather
}
}