src/cpu/x86/vm/c1_LIRAssembler_x86.cpp

@@ -2688,23 +2688,18 @@
                   op->fpu_pop_count() > 0, op->fpu_pop_count() > 1);
     }
   } else {
     assert(code == lir_cmp_l2i, "check");
 #ifdef _LP64
+    Label done;
       Register dest = dst->as_register();
-      __ xorptr(dest, dest);
-      Label high, done;
       __ cmpptr(left->as_register_lo(), right->as_register_lo());
-      __ jcc(Assembler::equal, done);
-      __ jcc(Assembler::greater, high);
-      __ decrement(dest);
-      __ jmp(done);
-      __ bind(high);
-      __ increment(dest);
-
+    __ movl(dest, -1);
+    __ jccb(Assembler::less, done);
+    __ set_byte_if_not_zero(dest);
+    __ movzbl(dest, dest);
       __ bind(done);
-
 #else
     __ lcmp2int(left->as_register_hi(),
                 left->as_register_lo(),
                 right->as_register_hi(),
                 right->as_register_lo());