diff --git a/target/i386/translate.c b/target/i386/translate.c
index 77d6b73e42..7b80c66b7d 100644
--- a/target/i386/translate.c
+++ b/target/i386/translate.c
@@ -4447,8 +4447,8 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
         case 0xc2:
             /* compare insns */
             val = x86_ldub_code(env, s);
-            if (val >= 8)
-                goto unknown_op;
+            /* 8-bit value only uses bits [2:0] */
+            val &= 7;
             sse_fn_epp = sse_op_table4[val][b1];
 
             tcg_gen_addi_ptr(s->ptr0, cpu_env, op1_offset);