Teach APFloat how to create both QNaNs and SNaNs and with arbitrary-width
payloads. APFloat's internal folding routines always make QNaNs now,
instead of sometimes making QNaNs and sometimes SNaNs depending on the
type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97364 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index 3bce3f3..6a6384a 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -2344,13 +2344,21 @@
& ((integerPart) 1 << bit % integerPartWidth)) != 0;
}
-/* Set the given bit of a bignum. */
+/* Set the given bit of a bignum. */
void
APInt::tcSetBit(integerPart *parts, unsigned int bit)
{
parts[bit / integerPartWidth] |= (integerPart) 1 << (bit % integerPartWidth);
}
+/* Clears the given bit of a bignum. */
+void
+APInt::tcClearBit(integerPart *parts, unsigned int bit)
+{
+ parts[bit / integerPartWidth] &=
+ ~((integerPart) 1 << (bit % integerPartWidth));
+}
+
/* Returns the bit number of the least significant set bit of a
number. If the input number has no bits set -1U is returned. */
unsigned int