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author | Evan Cheng <evan.cheng@apple.com> | 2006-05-30 21:30:59 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2006-05-30 21:30:59 +0000 |
commit | 51da42c28fba85d8bfe0faf235a42c9a142ff46f (patch) | |
tree | 81a12615ff59220e43657e048317cf3fb37a57e8 | |
parent | 9e18ef52625dbcd33e0f415cea8cead2966a9f9b (diff) | |
download | external_llvm-51da42c28fba85d8bfe0faf235a42c9a142ff46f.zip external_llvm-51da42c28fba85d8bfe0faf235a42c9a142ff46f.tar.gz external_llvm-51da42c28fba85d8bfe0faf235a42c9a142ff46f.tar.bz2 |
Oops. PSHUFD is only available with SSE2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28573 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index 3c84ef5..e414e19 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -121,11 +121,14 @@ MachineInstr *X86InstrInfo::convertToThreeAddress(MachineInstr *MI) const { default: break; case X86::SHUFPSrri: { assert(MI->getNumOperands() == 4 && "Unknown shufps instruction!"); - unsigned A = MI->getOperand(0).getReg(); - unsigned B = MI->getOperand(1).getReg(); - unsigned C = MI->getOperand(2).getReg(); - unsigned M = MI->getOperand(3).getImmedValue(); - return BuildMI(X86::PSHUFDri, 2, A).addReg(B).addImm(M); + const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>(); + if (Subtarget->hasSSE2()) { + unsigned A = MI->getOperand(0).getReg(); + unsigned B = MI->getOperand(1).getReg(); + unsigned C = MI->getOperand(2).getReg(); + unsigned M = MI->getOperand(3).getImmedValue(); + return BuildMI(X86::PSHUFDri, 2, A).addReg(B).addImm(M); + } } } |