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

src/IceInstX8632.cpp

 //===- subzero/src/IceInstX8632.cpp - X86-32 instruction implementation ---===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements the InstX8632 and OperandX8632 classes,
@@ skipping 159 matching lines @@
     : InstX8632(Func, InstX8632::Mfence, 0, NULL) {
   HasSideEffects = true;
 }
 
 InstX8632Store::InstX8632Store(Cfg *Func, Operand *Value, OperandX8632 *Mem)
     : InstX8632(Func, InstX8632::Store, 2, NULL) {
   addSource(Value);
   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);
 }
 
 InstX8632Movp::InstX8632Movp(Cfg *Func, Variable *Dest, Operand *Source)
     : InstX8632(Func, InstX8632::Movp, 1, Dest) {
   addSource(Source);
 }
 
@@ skipping 457 matching lines @@
 }
 
 void InstX8632Store::dump(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrDump();
   Str << "mov." << getSrc(0)->getType() << " ";
   getSrc(1)->dump(Func);
   Str << ", ";
   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 << "storeq." << getSrc(0)->getType() << " ";

[Jim Stichnoth, 2014/07/08 18:03:15]

storeq?  should it be storep?

[wala, 2014/07/08 22:38:57]

Done.

+  getSrc(1)->dump(Func);
+  Str << ", ";
+  getSrc(0)->dump(Func);
+}
+
 void InstX8632StoreQ::emit(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrEmit();
   assert(getSrcSize() == 2);
   assert(getSrc(1)->getType() == IceType_i64 ||
          getSrc(1)->getType() == IceType_f64);
   Str << "\tmovq\t";
   getSrc(1)->emit(Func);
   Str << ", ";
   getSrc(0)->emit(Func);
   Str << "\n";
@@ skipping 55 matching lines @@
   // operands.
   Ostream &Str = Func->getContext()->getStrEmit();
   assert(getSrcSize() == 1);
   Str << "\tmovups\t";
   getDest()->emit(Func);
   Str << ", ";
   getSrc(0)->emit(Func);
   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);
   assert(getDest()->getType() == IceType_i64 ||
          getDest()->getType() == IceType_f64);
   Str << "\tmovq\t";
   getDest()->emit(Func);
   Str << ", ";
   getSrc(0)->emit(Func);
   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() << " ";
   dumpDest(Func);
   Str << ", ";
   dumpSources(Func);
 }
 
 void InstX8632Movsx::emit(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrEmit();
@@ skipping 306 matching lines @@
   default:
     Str << "???";
     break;
   }
   Str << "(";
   Var->dump(Func);
   Str << ")";
 }
 
 } // end of namespace Ice