tcg: Split out tcg_out_ext16u

We will need a backend interface for performing 16-bit zero-extend.
Use it in tcg_reg_alloc_op in the meantime.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 3 insertions, 5 deletions

diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 21bd828..74a0c18 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -1274,7 +1274,7 @@ static void tcg_out_ext8s(TCGContext *s, TCGType type, TCGReg dest, TCGReg src)
     tcg_out_modrm(s, OPC_MOVSBL + P_REXB_RM + rexw, dest, src);
 }
 
-static inline void tcg_out_ext16u(TCGContext *s, int dest, int src)
+static void tcg_out_ext16u(TCGContext *s, TCGReg dest, TCGReg src)
 {
     /* movzwl */
     tcg_out_modrm(s, OPC_MOVZWL, dest, src);
@@ -2671,10 +2671,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
         tcg_out_modrm(s, OPC_GRP3_Ev + rexw, EXT3_NOT, a0);
         break;
 
-    OP_32_64(ext16u):
-        tcg_out_ext16u(s, a0, a1);
-        break;
-
     case INDEX_op_qemu_ld_i32:
         tcg_out_qemu_ld(s, args, 0);
         break;
@@ -2839,6 +2835,8 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
     case INDEX_op_ext8u_i64:
     case INDEX_op_ext16s_i32:
     case INDEX_op_ext16s_i64:
+    case INDEX_op_ext16u_i32:
+    case INDEX_op_ext16u_i64:
     default:
         g_assert_not_reached();
     }