X86: Add support for ucomis[sd] reg/memory form

Allow an Address as the second operand.

Change-Id: I4940829e2e4bfe0cddef3808265fdb638ac07b7e
Signed-off-by: Mark Mendell <mark.p.mendell@intel.com>
diff --git a/compiler/utils/x86/assembler_x86_test.cc b/compiler/utils/x86/assembler_x86_test.cc
index 16f9db4..a9b991c 100644
--- a/compiler/utils/x86/assembler_x86_test.cc
+++ b/compiler/utils/x86/assembler_x86_test.cc
@@ -306,6 +306,19 @@
   DriverStr(RepeatRI(&x86::X86Assembler::roll, 1U, "roll ${imm}, %{reg}"), "rolli");
 }
 
+TEST_F(AssemblerX86Test, UComissAddr) {
+  GetAssembler()->ucomiss(x86::XmmRegister(x86::XMM0), x86::Address(x86::EAX, 0));
+  const char* expected = "ucomiss 0(%EAX), %xmm0\n";
+  DriverStr(expected, "ucomiss");
+}
+
+TEST_F(AssemblerX86Test, UComisdAddr) {
+  GetAssembler()->ucomisd(x86::XmmRegister(x86::XMM0), x86::Address(x86::EAX, 0));
+  const char* expected = "ucomisd 0(%EAX), %xmm0\n";
+  DriverStr(expected, "ucomisd");
+}
+
+
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