[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v2 03/12] tcg/aarch64: Add support for fence
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v2 03/12] tcg/aarch64: Add support for fence |
Date: |
Thu, 26 May 2016 18:00:06 -0700 |
Cc: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/aarch64/tcg-target.inc.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c
index 1447f7c..839569d 100644
--- a/tcg/aarch64/tcg-target.inc.c
+++ b/tcg/aarch64/tcg-target.inc.c
@@ -372,6 +372,9 @@ typedef enum {
I3510_EOR = 0x4a000000,
I3510_EON = 0x4a200000,
I3510_ANDS = 0x6a000000,
+
+ /* System instrutions. */
+ DMB_ISH = 0xd5033bbf,
} AArch64Insn;
static inline uint32_t tcg_in32(TCGContext *s)
@@ -1637,6 +1640,9 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_insn(s, 3508, SMULH, TCG_TYPE_I64, a0, a1, a2);
break;
+ case INDEX_op_fence:
+ tcg_out32(s, DMB_ISH);
+ 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. */
@@ -1761,6 +1767,7 @@ static const TCGTargetOpDef aarch64_op_defs[] = {
{ INDEX_op_muluh_i64, { "r", "r", "r" } },
{ INDEX_op_mulsh_i64, { "r", "r", "r" } },
+ { INDEX_op_fence, { } },
{ -1 },
};
--
2.5.5