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[v4,06/14] tcg/mips: Add support for fence

Message ID 20160714202026.9727-7-bobby.prani@gmail.com
State New
Headers show

Commit Message

Pranith Kumar July 14, 2016, 8:20 p.m. UTC 
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
---
 tcg/mips/tcg-target.inc.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/tcg/mips/tcg-target.inc.c b/tcg/mips/tcg-target.inc.c
index 2f9be48..1f5adbe 100644
--- a/tcg/mips/tcg-target.inc.c
+++ b/tcg/mips/tcg-target.inc.c
@@ -292,6 +292,7 @@  typedef enum {
     OPC_JALR     = OPC_SPECIAL | 0x09,
     OPC_MOVZ     = OPC_SPECIAL | 0x0A,
     OPC_MOVN     = OPC_SPECIAL | 0x0B,
+    OPC_SYNC     = OPC_SPECIAL | 0x0F,
     OPC_MFHI     = OPC_SPECIAL | 0x10,
     OPC_MFLO     = OPC_SPECIAL | 0x12,
     OPC_MULT     = OPC_SPECIAL | 0x18,
@@ -1646,6 +1647,9 @@  static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
                         const_args[4], const_args[5], true);
         break;
 
+    case INDEX_op_mb:
+        tcg_out32(s, OPC_SYNC);
+        break;
     case INDEX_op_mov_i32:  /* Always emitted via tcg_out_mov.  */
     case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi.  */
     case INDEX_op_call:     /* Always emitted via tcg_out_call.  */
@@ -1726,6 +1730,8 @@  static const TCGTargetOpDef mips_op_defs[] = {
     { INDEX_op_qemu_ld_i64, { "L", "L", "lZ", "lZ" } },
     { INDEX_op_qemu_st_i64, { "SZ", "SZ", "SZ", "SZ" } },
 #endif
+
+    { INDEX_op_mb, { } },
     { -1 },
 };