[llvm-commits] CVS: llvm/lib/Target/X86/X86InstrInfo.cpp

[Evan Cheng]

Changes in directory llvm/lib/Target/X86:

X86InstrInfo.cpp updated: 1.53 -> 1.54
---
Log message:

Oops. PSHUFD is only available with SSE2.


---
Diffs of the changes:  (+8 -5)

 X86InstrInfo.cpp |   13 ++++++++-----
 1 files changed, 8 insertions(+), 5 deletions(-)


Index: llvm/lib/Target/X86/X86InstrInfo.cpp
diff -u llvm/lib/Target/X86/X86InstrInfo.cpp:1.53 llvm/lib/Target/X86/X86InstrInfo.cpp:1.54
--- llvm/lib/Target/X86/X86InstrInfo.cpp:1.53	Tue May 30 15:26:50 2006
+++ llvm/lib/Target/X86/X86InstrInfo.cpp	Tue May 30 16:30:59 2006
@@ -121,11 +121,14 @@
   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);
+    }
   }
   }