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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-09-28 21:00:25 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-09-28 21:00:25 +0000 |
| commit | 7d3e2b78c74ad92bda0836de3e056ee8ec41e446 (patch) | |
| tree | 8e5f162c3594f789d9a1e3632873fae9bc7e414a /lib | |
| parent | 32a12ba8c0736a74681563a8f5ec8d81108514b5 (diff) | |
| download | llvm-7d3e2b78c74ad92bda0836de3e056ee8ec41e446.tar.gz llvm-7d3e2b78c74ad92bda0836de3e056ee8ec41e446.tar.bz2 llvm-7d3e2b78c74ad92bda0836de3e056ee8ec41e446.tar.xz | |
PR11033: Make sure we don't generate PCMPGTQ and PCMPEQQ if the target CPU does not support them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140723 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index cab9161f5a..fc2d5ce64e 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -8555,6 +8555,13 @@ SDValue X86TargetLowering::LowerVSETCC(SDValue Op, SelectionDAG &DAG) const { if (Swap) std::swap(Op0, Op1); + // Check that the operation in question is available (most are plain SSE2, + // but PCMPGTQ and PCMPEQQ have different requirements). + if (Opc == X86ISD::PCMPGTQ && !Subtarget->hasSSE42() && !Subtarget->hasAVX()) + return SDValue(); + if (Opc == X86ISD::PCMPEQQ && !Subtarget->hasSSE41() && !Subtarget->hasAVX()) + return SDValue(); + // Since SSE has no unsigned integer comparisons, we need to flip the sign // bits of the inputs before performing those operations. if (FlipSigns) { |