Signed-off-by: Pranith Kumar <address@hidden>
---
tcg/i386/tcg-target.h | 1 +
tcg/i386/tcg-target.inc.c | 9 +++++++++
tcg/tcg-opc.h | 2 +-
tcg/tcg.c | 1 +
4 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h
index 92be341..93ea42e 100644
--- a/tcg/i386/tcg-target.h
+++ b/tcg/i386/tcg-target.h
@@ -100,6 +100,7 @@ extern bool have_bmi1;
#define TCG_TARGET_HAS_muls2_i32 1
#define TCG_TARGET_HAS_muluh_i32 0
#define TCG_TARGET_HAS_mulsh_i32 0
+#define TCG_TARGET_HAS_fence 1
@@ -347,6 +347,7 @@ static inline int tcg_target_const_match(tcg_target_long
val, TCGType type,
#define OPC_SHRX (0xf7 | P_EXT38 | P_SIMDF2)
#define OPC_TESTL (0x85)
#define OPC_XCHG_ax_r32 (0x90)
+#define OPC_MFENCE (0xAE | P_EXT)
#define OPC_GRP3_Ev (0xf7)
#define OPC_GRP5 (0xff)
@@ -686,6 +687,14 @@ static inline void tcg_out_pushi(TCGContext *s,
tcg_target_long val)
}
}
+static inline void tcg_out_fence(TCGContext *s)
+{
+ /* TODO: Figure out an appropriate place for the encoding */
+ tcg_out8(s, 0x0F);
+ tcg_out8(s, 0xAE);
+ tcg_out8(s, 0xF0);
+}