These are function call arguments for x86_64 we will need soon.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/i386/tcg-target.inc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tcg/i386/tcg-target.inc.c b/tcg/i386/tcg-target.inc.c
index 436195894b..e4d9be57ff 100644
--- a/tcg/i386/tcg-target.inc.c
+++ b/tcg/i386/tcg-target.inc.c
@@ -230,6 +230,14 @@ static const char *target_parse_constraint(TCGArgConstraint *ct,
         ct->ct |= TCG_CT_REG;
         tcg_regset_set_reg(ct->u.regs, TCG_REG_EDI);
         break;
+    case 'E': /* "Eight", r8 */
+        ct->ct |= TCG_CT_REG;
+        tcg_regset_set_reg(ct->u.regs, TCG_REG_R8);
+        break;
+    case 'N': /* "Nine", r9 */
+        ct->ct |= TCG_CT_REG;
+        tcg_regset_set_reg(ct->u.regs, TCG_REG_R9);
+        break;
     case 'q':
         /* A register that can be used as a byte operand.  */
         ct->ct |= TCG_CT_REG;
-- 
2.17.2