diff options
| author | Dale Johannesen <dalej@apple.com> | 2009-01-19 21:17:05 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2009-01-19 21:17:05 +0000 |
| commit | 1f54f58e64314601de1a082383e84162b287cab9 (patch) | |
| tree | 28c6130124c97d4c8778d8c592c24c25849ef94f /lib/Support | |
| parent | c15255cfe977593da4220e9959f6be23ad74fc32 (diff) | |
| download | external_llvm-1f54f58e64314601de1a082383e84162b287cab9.zip external_llvm-1f54f58e64314601de1a082383e84162b287cab9.tar.gz external_llvm-1f54f58e64314601de1a082383e84162b287cab9.tar.bz2 | |
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
Diffstat (limited to 'lib/Support')
| -rw-r--r-- | lib/Support/APFloat.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
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 @@ APFloat::mod(const APFloat &rhs, roundingMode rounding_mode) 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 @@ APFloat::convertToSignExtendedInteger(integerPart *parts, unsigned int width, 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. */ |