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Overhaul overflowing multiplication impls

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This commit is contained in:
Aaron Kutch
2020-10-12 17:59:34 -05:00
parent e049a30964
commit d5b7e2b6d3
2 changed files with 74 additions and 61 deletions
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6
library/compiler-builtins/src/float/conv.rs
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@@ -11,7 +11,7 @@ macro_rules! int_to_float {
let mant_dig = <$fty>::SIGNIFICAND_BITS + 1;
let exponent_bias = <$fty>::EXPONENT_BIAS;
let n = <$ity>::BITS;
let n = <$ity as Int>::BITS;
let (s, a) = i.extract_sign();
let mut a = a;
@@ -21,7 +21,7 @@ macro_rules! int_to_float {
// exponent
let mut e = sd - 1;
if <$ity>::BITS < mant_dig {
if <$ity as Int>::BITS < mant_dig {
return <$fty>::from_parts(
s,
(e + exponent_bias) as <$fty as Float>::Int,
@@ -165,7 +165,7 @@ macro_rules! float_to_int {
let f = $f;
let fixint_min = <$ity>::min_value();
let fixint_max = <$ity>::max_value();
let fixint_bits = <$ity>::BITS as usize;
let fixint_bits = <$ity as Int>::BITS as usize;
let fixint_unsigned = fixint_min == 0;
let sign_bit = <$fty>::SIGN_MASK;