[llvm] 3d47afd - APFloat: Simplify makeSmallestNormalized implementation

[Matt Arsenault via llvm-commits]

Author: Matt Arsenault
Date: 2022-12-02T18:47:43-05:00
New Revision: 3d47afdf5a9a129737fefeb47f4e3e334bc6af68

URL: https://github.com/llvm/llvm-project/commit/3d47afdf5a9a129737fefeb47f4e3e334bc6af68
DIFF: https://github.com/llvm/llvm-project/commit/3d47afdf5a9a129737fefeb47f4e3e334bc6af68.diff

LOG: APFloat: Simplify makeSmallestNormalized implementation

Added: 
    

Modified: 
    llvm/lib/Support/APFloat.cpp

Removed: 
    


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diff  --git a/llvm/lib/Support/APFloat.cpp b/llvm/lib/Support/APFloat.cpp
index 22dd40cbc4c6..00e863ae091d 100644
--- a/llvm/lib/Support/APFloat.cpp
+++ b/llvm/lib/Support/APFloat.cpp
@@ -3900,8 +3900,7 @@ void IEEEFloat::makeSmallestNormalized(bool Negative) {
   zeroSignificand();
   sign = Negative;
   exponent = semantics->minExponent;
-  significandParts()[partCountForBits(semantics->precision) - 1] |=
-      (((integerPart)1) << ((semantics->precision - 1) % integerPartWidth));
+  APInt::tcSetBit(significandParts(), semantics->precision - 1);
 }
 
 IEEEFloat::IEEEFloat(const fltSemantics &Sem, const APInt &API) {