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Fix APFloat::getLargest so that it actually returns the correct value. Found by accident while reviewing a patch to nearby code.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141816 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman
2011-10-12 21:51:36 +00:00
parent 41242942fc
commit 7247a5f20e
2 changed files with 8 additions and 2 deletions
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5
lib/Support/APFloat.cpp
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@@ -3243,8 +3243,9 @@ APFloat APFloat::getLargest(const fltSemantics &Sem, bool Negative) {
significand[i] = ~((integerPart) 0);
// ...and then clear the top bits for internal consistency.
significand[N-1] &=
(((integerPart) 1) << ((Sem.precision % integerPartWidth) - 1)) - 1;
if (Sem.precision % integerPartWidth != 0)
significand[N-1] &=
(((integerPart) 1) << (Sem.precision % integerPartWidth)) - 1;
return Val;
}