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Avoid using select in bool_to_zero_or_max_uint

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bjorn3 2020-03-27 16:04:34 +01:00
parent f288959c00
commit 3f33fcbd30
1 changed files with 2 additions and 6 deletions
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8
src/intrinsics/mod.rs
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@ -225,12 +225,8 @@ fn bool_to_zero_or_max_uint<'tcx>(
ty => ty,
};
let zero = fx.bcx.ins().iconst(int_ty, 0);
let max = fx
.bcx
.ins()
.iconst(int_ty, (u64::MAX >> (64 - int_ty.bits())) as i64);
let mut res = fx.bcx.ins().select(val, max, zero);
let val = fx.bcx.ins().bint(int_ty, val);
let mut res = fx.bcx.ins().ineg(val);
if ty.is_float() {
res = fx.bcx.ins().bitcast(ty, res);