SIMD type conversion for x86

Rationale:
Break-out CL of ART Vectorizer: 1 OF many
Needed to demonstrate that same-length
type conversions easily fit the model.

Bug: 34083438
Test: assembler_x86[_64]_test
Change-Id: Ib9959a7e18485ab1629978c61032fcda16792951
diff --git a/compiler/utils/x86/assembler_x86.cc b/compiler/utils/x86/assembler_x86.cc
index 6eab302..6a57f45 100644
--- a/compiler/utils/x86/assembler_x86.cc
+++ b/compiler/utils/x86/assembler_x86.cc
@@ -958,6 +958,14 @@
 }
 
 
+void X86Assembler::cvtdq2ps(XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x0F);
+  EmitUint8(0x5B);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+
 void X86Assembler::cvtdq2pd(XmmRegister dst, XmmRegister src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0xF3);