.att_syntax prefix
movl $255, -4(%rsp)
// CHECK: movl $255, -4(%rsp)
+
+_test3:
+fadd
+// CHECK: faddp %st(1)
+fmul
+// CHECK: fmulp %st(1)
+fsub
+// CHECK: fsubp %st(1)
+fsubr
+// CHECK: fsubrp %st(1)
+fdiv
+// CHECK: fdivp %st(1)
+fdivr
+// CHECK: fdivrp %st(1)