Signed-off-by: Richard Henderson <r...@twiddle.net>
Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com>
---
tcg/ppc/tcg-target.inc.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c
index 1039407..45a667f 100644
--- a/tcg/ppc/tcg-target.inc.c
+++ b/tcg/ppc/tcg-target.inc.c
@@ -469,6 +469,9 @@ static int tcg_target_const_match(tcg_target_long val,
TCGType type,
#define STHX XO31(407)
#define STWX XO31(151)
+#define HWSYNC XO31(598)
+#define LWSYNC (HWSYNC | (1u << 21))
+
#define SPR(a, b) ((((a)<<5)|(b))<<11)
#define LR SPR(8, 0)
#define CTR SPR(9, 0)
@@ -2425,6 +2428,10 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
const TCGArg *args,
tcg_out32(s, MULHD | TAB(args[0], args[1], args[2]));
break;
+ case INDEX_op_mb:
+ /* ??? Do we want SEQ_CST or ACQ_REL memory model. */
+ tcg_out32(s, HWSYNC);
+ break;
case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
case INDEX_op_mov_i64:
case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */
@@ -2572,6 +2579,7 @@ static const TCGTargetOpDef ppc_op_defs[] = {
{ INDEX_op_qemu_st_i64, { "S", "S", "S", "S" } },
#endif
+ { INDEX_op_mb, { "r" } },
{ -1 },
};
--
2.8.3
