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.h b/compiler/utils/x86/assembler_x86.h
index 2999599..e3c123c 100644
--- a/compiler/utils/x86/assembler_x86.h
+++ b/compiler/utils/x86/assembler_x86.h
@@ -457,6 +457,7 @@
   void cvttss2si(Register dst, XmmRegister src);
   void cvttsd2si(Register dst, XmmRegister src);
 
+  void cvtdq2ps(XmmRegister dst, XmmRegister src);
   void cvtdq2pd(XmmRegister dst, XmmRegister src);
 
   void comiss(XmmRegister a, XmmRegister b);