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| author | Eli Friedman <eli.friedman@gmail.com> | 2010-08-01 21:13:28 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2010-08-01 21:13:28 +0000 |
| commit | 348e02600ef0191b4e0621078fc81f935065c1f7 (patch) | |
| tree | d25e69260e9cb01bfdda68dc666f18bed3ae802d /lib/Target/Alpha | |
| parent | ad2b04c07f7e7abf7a57c7edf779df3e476d3da3 (diff) | |
| download | external_llvm-348e02600ef0191b4e0621078fc81f935065c1f7.zip external_llvm-348e02600ef0191b4e0621078fc81f935065c1f7.tar.gz external_llvm-348e02600ef0191b4e0621078fc81f935065c1f7.tar.bz2 | |
PR7774: Fix undefined shifts in Alpha backend. As a bonus, this actually
improves the generated code in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109985 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Alpha')
| -rw-r--r-- | lib/Target/Alpha/AlphaISelDAGToDAG.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/Alpha/AlphaISelDAGToDAG.cpp b/lib/Target/Alpha/AlphaISelDAGToDAG.cpp index d526dc0..d197bd1 100644 --- a/lib/Target/Alpha/AlphaISelDAGToDAG.cpp +++ b/lib/Target/Alpha/AlphaISelDAGToDAG.cpp @@ -113,8 +113,8 @@ namespace { static uint64_t getNearPower2(uint64_t x) { if (!x) return 0; unsigned at = CountLeadingZeros_64(x); - uint64_t complow = 1 << (63 - at); - uint64_t comphigh = 1 << (64 - at); + uint64_t complow = 1ULL << (63 - at); + uint64_t comphigh = 1ULL << (64 - at); //cerr << x << ":" << complow << ":" << comphigh << "\n"; if (abs64(complow - x) <= abs64(comphigh - x)) return complow; |