tcg: Split out tcg_out_exts_i32_i64

We will need a backend interface for type extension with sign.
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, 6 insertions, 3 deletions

diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc
index bca5f03..58596ea 100644
--- a/tcg/aarch64/tcg-target.c.inc
+++ b/tcg/aarch64/tcg-target.c.inc
@@ -1434,6 +1434,11 @@ static void tcg_out_ext32s(TCGContext *s, TCGReg rd, TCGReg rn)
     tcg_out_sxt(s, TCG_TYPE_I64, MO_32, rd, rn);
 }
 
+static void tcg_out_exts_i32_i64(TCGContext *s, TCGReg rd, TCGReg rn)
+{
+    tcg_out_ext32s(s, rd, rn);
+}
+
 static inline void tcg_out_uxt(TCGContext *s, MemOp s_bits,
                                TCGReg rd, TCGReg rn)
 {
@@ -2260,9 +2265,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
         }
         break;
 
-    case INDEX_op_ext_i32_i64:
-        tcg_out_sxt(s, TCG_TYPE_I64, MO_32, a0, a1);
-        break;
     case INDEX_op_extu_i32_i64:
         tcg_out_ext32u(s, a0, a1);
         break;
@@ -2332,6 +2334,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
     case INDEX_op_ext16u_i32:
     case INDEX_op_ext32s_i64:
     case INDEX_op_ext32u_i64:
+    case INDEX_op_ext_i32_i64:
     default:
         g_assert_not_reached();
     }