Add vcvt<c>.f32.f64 and vcvt<c>.f64.32 to ARM.

src/IceInstARM32.cpp

Index: src/IceInstARM32.cpp
diff --git a/src/IceInstARM32.cpp b/src/IceInstARM32.cpp
index b961bfc5bb8c7f97127aaf08a87de0e4ab507898..30abc85018e352ba44ce04e4fd2e10171bc5cb5e 100644
--- a/src/IceInstARM32.cpp
+++ b/src/IceInstARM32.cpp
@@ -1846,6 +1846,24 @@ void InstARM32Vcvt::emit(const Cfg *Func) const {
   getSrc(0)->emit(Func);
 }
 
+void InstARM32Vcvt::emitIAS(const Cfg *Func) const {
+  auto *Asm = Func->getAssembler<ARM32::AssemblerARM32>();
+  switch (Variant) {
+  case S2d:
+    Asm->vcvtds(getDest(), getSrc(0), getPredicate());
+    break;
+  case D2s:
+    Asm->vcvtsd(getDest(), getSrc(0), getPredicate());
+    break;
+  default:
+    // TODO(kschimpf): Fill in other variants.
+    Asm->setNeedsTextFixup();
+    break;
+  }
+  if (Asm->needsTextFixup())
+    emitUsingTextFixup(Func);
+}
+
 void InstARM32Vcvt::dump(const Cfg *Func) const {
   if (!BuildDefs::dump())
     return;