Add support for passing and returning vectors in accordance with the x86 calling convention.

src/IceInstX8632.cpp

Index: src/IceInstX8632.cpp
diff --git a/src/IceInstX8632.cpp b/src/IceInstX8632.cpp
index 79ec127ffd36e358966b8998c3bd76dfba978029..307ee43e256ca4874ce30138fcb15890eb2c22ff 100644
--- a/src/IceInstX8632.cpp
+++ b/src/IceInstX8632.cpp
@@ -177,6 +177,12 @@ InstX8632Store::InstX8632Store(Cfg *Func, Operand *Value, OperandX8632 *Mem)
   addSource(Mem);
 }
 
+InstX8632Storep::InstX8632Storep(Cfg *Func, Operand *Value, OperandX8632 *Mem)
+    : InstX8632(Func, InstX8632::Storep, 2, NULL) {
+  addSource(Value);
+  addSource(Mem);
+}
+
 InstX8632Mov::InstX8632Mov(Cfg *Func, Variable *Dest, Operand *Source)
     : InstX8632(Func, InstX8632::Mov, 1, Dest) {
   addSource(Source);
@@ -654,6 +660,24 @@ void InstX8632Store::dump(const Cfg *Func) const {
   getSrc(0)->dump(Func);
 }
 
+void InstX8632Storep::emit(const Cfg *Func) const {
+  Ostream &Str = Func->getContext()->getStrEmit();
+  assert(getSrcSize() == 2);
+  Str << "\tmovups\t";
+  getSrc(1)->emit(Func);
+  Str << ", ";
+  getSrc(0)->emit(Func);
+  Str << "\n";
+}
+
+void InstX8632Storep::dump(const Cfg *Func) const {
+  Ostream &Str = Func->getContext()->getStrDump();
+  Str << "storep." << getSrc(0)->getType() << " ";
+  getSrc(1)->dump(Func);
+  Str << ", ";
+  getSrc(0)->dump(Func);
+}
+
 void InstX8632StoreQ::emit(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrEmit();
   assert(getSrcSize() == 2);
@@ -729,6 +753,14 @@ void InstX8632Movp::emit(const Cfg *Func) const {
   Str << "\n";
 }
 
+void InstX8632Movp::dump(const Cfg *Func) const {
+  Ostream &Str = Func->getContext()->getStrDump();
+  Str << "movups." << getDest()->getType() << " ";
+  dumpDest(Func);
+  Str << ", ";
+  dumpSources(Func);
+}
+
 void InstX8632Movq::emit(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrEmit();
   assert(getSrcSize() == 1);
@@ -741,14 +773,6 @@ void InstX8632Movq::emit(const Cfg *Func) const {
   Str << "\n";
 }
 
-void InstX8632Movp::dump(const Cfg *Func) const {
-  Ostream &Str = Func->getContext()->getStrDump();
-  Str << "movups." << getDest()->getType() << " ";
-  dumpDest(Func);
-  Str << ", ";
-  dumpSources(Func);
-}
-
 void InstX8632Movq::dump(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrDump();
   Str << "movq." << getDest()->getType() << " ";