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[Qemu-devel] [PATCH v2 11/14] target/sh4: generate fences for SH4
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH v2 11/14] target/sh4: generate fences for SH4 |
Date: |
Sat, 6 May 2017 13:14:28 +0200 |
synco is a SH4-A only instruction.
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
---
target/sh4/translate.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/target/sh4/translate.c b/target/sh4/translate.c
index 8c766eed2a..9fe2e2d4d9 100644
--- a/target/sh4/translate.c
+++ b/target/sh4/translate.c
@@ -1570,10 +1570,11 @@ static void _decode_opc(DisasContext * ctx)
else
break;
case 0x00ab: /* synco */
- if (ctx->features & SH_FEATURE_SH4A)
- return;
- else
- break;
+ if (ctx->features & SH_FEATURE_SH4A) {
+ tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
+ return;
+ }
+ break;
case 0x4024: /* rotcl Rn */
{
TCGv tmp = tcg_temp_new();
--
2.11.0