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authorAurelien Jarno2017-05-01 23:20:43 +0200
committerAurelien Jarno2017-05-13 11:18:26 +0200
commitaa3513176f8c6f3150a9499f3d22da6c86b6b097 (patch)
treef299a0e2bc18fbd94112d79b5ef8384e1d6abfee /target
parenttarget/sh4: optimize gen_write_sr using extract op (diff)
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target/sh4: generate fences for SH4
synco is a SH4-A only instruction. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target')
-rw-r--r--target/sh4/translate.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/target/sh4/translate.c b/target/sh4/translate.c
index 7a504a7f5a..d61b176a7d 100644
--- a/target/sh4/translate.c
+++ b/target/sh4/translate.c
@@ -1569,10 +1569,11 @@ 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();