[llvm-commits] [llvm] r68133 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

[Evan Cheng]

Author: evancheng
Date: Tue Mar 31 14:38:51 2009
New Revision: 68133

URL: http://llvm.org/viewvc/llvm-project?rev=68133&view=rev
Log:
i128 shift libcalls are not available on x86.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=68133&r1=68132&r2=68133&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Tue Mar 31 14:38:51 2009
@@ -816,6 +816,13 @@
   setOperationAction(ISD::UMULO, MVT::i32, Custom);
   setOperationAction(ISD::UMULO, MVT::i64, Custom);
 
+  if (!Subtarget->is64Bit()) {
+    // These libcalls are not available in 32-bit.
+    setLibcallName(RTLIB::SHL_I128, 0);
+    setLibcallName(RTLIB::SRL_I128, 0);
+    setLibcallName(RTLIB::SRA_I128, 0);
+  }
+
   // We have target-specific dag combine patterns for the following nodes:
   setTargetDAGCombine(ISD::VECTOR_SHUFFLE);
   setTargetDAGCombine(ISD::BUILD_VECTOR);