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| author | Dan Gohman <gohman@apple.com> | 2008-12-20 17:19:40 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-12-20 17:19:40 +0000 |
| commit | b12b1a27f50628f5bd895de5278f70a8c905ca0a (patch) | |
| tree | 0b1143b623dc63c0f7c1edadb99e02342bbb010d /lib | |
| parent | edf22b97d0d525ed4ec89eda1708c24c45c54b57 (diff) | |
| download | external_llvm-b12b1a27f50628f5bd895de5278f70a8c905ca0a.zip external_llvm-b12b1a27f50628f5bd895de5278f70a8c905ca0a.tar.gz external_llvm-b12b1a27f50628f5bd895de5278f70a8c905ca0a.tar.bz2 | |
Fix fast-isel to not emit invalid assembly when presented with a
constant shift count that doesn't fit in the shift instruction's
immediate field. This fixes PR3242.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61281 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86FastISel.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp index c4b45bf..a81ecfe 100644 --- a/lib/Target/X86/X86FastISel.cpp +++ b/lib/Target/X86/X86FastISel.cpp @@ -893,7 +893,7 @@ bool X86FastISel::X86SelectShift(Instruction *I) { if (ConstantInt *CI = dyn_cast<ConstantInt>(I->getOperand(1))) { unsigned ResultReg = createResultReg(RC); BuildMI(MBB, TII.get(OpImm), - ResultReg).addReg(Op0Reg).addImm(CI->getZExtValue()); + ResultReg).addReg(Op0Reg).addImm(CI->getZExtValue() & 0xff); UpdateValueMap(I, ResultReg); return true; } |