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Notes on unary EQZ in compileBinary EQ

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This commit is contained in:
dcodeIO
2018-01-02 23:20:57 +01:00
parent f507fc8168
commit fb2b7aa96b
4 changed files with 47 additions and 63 deletions
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9
tests/compiler/fmod.ts
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@ -15,14 +15,16 @@ export function fmod(x: f64, y: f64): f64 {
}
if (!ex) {
for (var i = ux << 12; !(i >> 63); ex--) i <<= 1;
for (var i = ux << 12; !(i >> 63); i <<= 1)
--ex;
ux <<= -ex + 1;
} else {
ux &= -1 >> 12;
ux |= 1 << 52;
}
if (!ey) {
for (i = uy << 12; !(i >> 63); ey--) i <<= 1;
for (i = uy << 12; !(i >> 63); i <<= 1)
--ey;
uy <<= -ey + 1;
} else {
uy &= -1 >> 12;
@ -44,7 +46,8 @@ export function fmod(x: f64, y: f64): f64 {
return 0 * x;
ux = i;
}
for (; !(ux >> 52); ex--) ux <<= 1;
for (; !(ux >> 52); ux <<= 1)
--ex;
if (ex > 0) {
ux -= 1 << 52;