emitIAS for the couple of blend instructions.

src/assembler_ia32.cpp

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // Modified by the Subzero authors.
 //
 //===- subzero/src/assembler_ia32.cpp - Assembler for x86-32  -------------===//
 //
 //                        The Subzero Code Generator
 //
@@ skipping 785 matching lines @@
   EmitOperand(dst, src);
 }
 
 void AssemblerX86::orps(XmmRegister dst, XmmRegister src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x0F);
   EmitUint8(0x56);
   EmitXmmRegisterOperand(dst, src);
 }
 
+void AssemblerX86::blendvps(Type /* Ty */, XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitUint8(0x0F);
+  EmitUint8(0x38);
+  EmitUint8(0x14);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+void AssemblerX86::blendvps(Type /* Ty */, XmmRegister dst,
+                            const Address &src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitUint8(0x0F);
+  EmitUint8(0x38);
+  EmitUint8(0x14);
+  EmitOperand(dst, src);
+}
+
+void AssemblerX86::pblendvb(Type /* Ty */, XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitUint8(0x0F);
+  EmitUint8(0x38);
+  EmitUint8(0x10);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+void AssemblerX86::pblendvb(Type /* Ty */, XmmRegister dst,
+                            const Address &src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitUint8(0x0F);
+  EmitUint8(0x38);
+  EmitUint8(0x10);
+  EmitOperand(dst, src);
+}
+
 void AssemblerX86::cmpps(XmmRegister dst, XmmRegister src,
                          CondX86::CmppsCond CmpCondition) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x0F);
   EmitUint8(0xC2);
   EmitXmmRegisterOperand(dst, src);
   EmitUint8(CmpCondition);
 }
 
 void AssemblerX86::cmpps(XmmRegister dst, const Address &src,
@@ skipping 1499 matching lines @@
   assert(shifter == RegX8632::Encoded_Reg_ecx);
   (void)shifter;
   if (Ty == IceType_i16)
     EmitOperandSizeOverride();
   EmitUint8(isByteSizedArithType(Ty) ? 0xD2 : 0xD3);
   EmitOperand(rm, operand);
 }
 
 } // end of namespace x86
 } // end of namespace Ice