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bswap.i128 is now supported

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This commit is contained in:
bjorn3 2022-11-03 18:10:28 +00:00
parent 83dc7d1a12
commit 3df425e11e
1 changed files with 4 additions and 10 deletions
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14
src/intrinsics/mod.rs
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@ -636,16 +636,10 @@ fn codegen_regular_intrinsic_call<'tcx>(
intrinsic_args!(fx, args => (arg); intrinsic);
let val = arg.load_scalar(fx);
let res = match fx.bcx.func.dfg.value_type(val) {
types::I8 => val,
types::I128 => {
// FIXME(bytecodealliance/wasmtime#1092) bswap.i128 is not yet implemented
let (lsb, msb) = fx.bcx.ins().isplit(val);
let lsb_swap = fx.bcx.ins().bswap(lsb);
let msb_swap = fx.bcx.ins().bswap(msb);
fx.bcx.ins().iconcat(msb_swap, lsb_swap)
}
_ => fx.bcx.ins().bswap(val),
let res = if fx.bcx.func.dfg.value_type(val) == types::I8 {
val
} else {
fx.bcx.ins().bswap(val)
};
let res = CValue::by_val(res, arg.layout());
ret.write_cvalue(fx, res);