From e12b73816b50bbe2cc54b8005d86c95413b4f465 Mon Sep 17 00:00:00 2001
From: John McCall <rjmccall@apple.com>
Date: Sun, 28 Feb 2010 02:51:25 +0000
Subject: 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
---
 lib/Support/APInt.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'lib/Support/APInt.cpp')

diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index 3bce3f3ed3..6a6384aa3f 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -2344,13 +2344,21 @@ APInt::tcExtractBit(const integerPart *parts, unsigned int bit)
          & ((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
-- 
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