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use wrapping_add in muldi4

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This commit is contained in:
Jorge Aparicio 2016-08-13 18:47:10 -05:00
parent f7864eb3cd
commit ebb3175dc0
1 changed files with 1 additions and 1 deletions
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2
library/compiler-builtins/src/mul.rs
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@ -19,7 +19,7 @@ macro_rules! mul {
low += (t & lower_mask) << half_bits;
high += t >> half_bits;
high += (a.low() >> half_bits) * (b.low() >> half_bits);
high += a.high().wrapping_mul(b.low()) + a.low().wrapping_mul(b.high());
high = high.wrapping_add(a.high().wrapping_mul(b.low()).wrapping_add(a.low().wrapping_mul(b.high())));
<$ty>::from_parts(low, high)
}
}