compile-time fmod was done incorrectly. PR 3316.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62528 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/APFloat.cpp b/lib/Support/APFloat.cpp
index 4da7144..fde157d 100644
--- a/lib/Support/APFloat.cpp
+++ b/lib/Support/APFloat.cpp
@@ -1531,7 +1531,7 @@
integerPart *x = new integerPart[parts];
bool ignored;
fs = V.convertToInteger(x, parts * integerPartWidth, true,
- rmNearestTiesToEven, &ignored);
+ rmTowardZero, &ignored);
if (fs==opInvalidOp)
return fs;
@@ -1811,7 +1811,9 @@
if (exponent < 0) {
/* Our absolute value is less than one; truncate everything. */
APInt::tcSet(parts, 0, dstPartsCount);
- truncatedBits = semantics->precision;
+ /* For exponent -1 the integer bit represents .5, look at that.
+ For smaller exponents leftmost truncated bit is 0. */
+ truncatedBits = semantics->precision -1U - exponent;
} else {
/* We want the most significant (exponent + 1) bits; the rest are
truncated. */