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fp: Change FPUnpacked to a normalized representation

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Having a known position for the highest set bit makes writing algorithms easier
This commit is contained in:
MerryMage 2018-07-25 17:39:14 +01:00
parent 680395a803
commit 7a673a8a43
10 changed files with 71 additions and 56 deletions
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2
src/common/fp/op/FPRSqrtStepFused.cpp
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@ -41,7 +41,7 @@ FPT FPRSqrtStepFused(FPT op1, FPT op2, FPCR fpcr, FPSR& fpsr) {
}
// result_value = (3.0 + (value1 * value2)) / 2.0
FPUnpacked result_value = FusedMulAdd({false, 0, 3}, value1, value2);
FPUnpacked result_value = FusedMulAdd(ToNormalized(false, 0, 3), value1, value2);
result_value.exponent--;
if (result_value.mantissa == 0) {