Added (dis-)assembler support for movmskps on ia32 and x64.

src/x64/assembler-x64.cc

Index: src/x64/assembler-x64.cc
diff --git a/src/x64/assembler-x64.cc b/src/x64/assembler-x64.cc
index cc072875aa484a8a5120c3c03086e3e179c45aad..cb0cd868143c47fb6a14bc168cda48fcde22ca3e 100644
--- a/src/x64/assembler-x64.cc
+++ b/src/x64/assembler-x64.cc
@@ -2952,6 +2952,15 @@ void Assembler::movmskpd(Register dst, XMMRegister src) {
 }
 
 
+void Assembler::movmskps(Register dst, XMMRegister src) {
+  EnsureSpace ensure_space(this);
+  emit_optional_rex_32(dst, src);
+  emit(0x0f);
+  emit(0x50);
+  emit_sse_operand(dst, src);
+}
+
+
 void Assembler::emit_sse_operand(XMMRegister reg, const Operand& adr) {
   Register ireg = { reg.code() };
   emit_operand(ireg, adr);