Add SINT_TO_FP and FP_TO_SINT support for v8i32 types. Also move
a convert pattern close to the instruction definition.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136320 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 081ac00..e1c64ea 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -964,6 +964,9 @@
     setOperationAction(ISD::FSQRT,              MVT::v4f64, Legal);
     setOperationAction(ISD::FNEG,               MVT::v4f64, Custom);
 
+    setOperationAction(ISD::FP_TO_SINT,         MVT::v8i32, Legal);
+    setOperationAction(ISD::SINT_TO_FP,         MVT::v8i32, Legal);
+
     // Custom lower several nodes for 256-bit types.
     for (unsigned i = (unsigned)MVT::FIRST_VECTOR_VALUETYPE;
                   i <= (unsigned)MVT::LAST_VECTOR_VALUETYPE; ++i) {