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[Qemu-devel] [PULL 3/4] target-mips: Fix Loongson multimedia instruction


From: Yongbok Kim
Subject: [Qemu-devel] [PULL 3/4] target-mips: Fix Loongson multimedia instructions.
Date: Sun, 4 Dec 2016 02:00:16 +0000

From: Heiher <address@hidden>

Needed to emit FPU exception on Loongson multimedia instructions
executing if Status:CU1 is clear. or FPR changes may be missed
on Linux.

Signed-off-by: Heiher <address@hidden>
Signed-off-by: Fuxin Zhang <address@hidden>
Reviewed-by: Yongbok Kim <address@hidden>
Signed-off-by: Yongbok Kim <address@hidden>
---
 target-mips/translate.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target-mips/translate.c b/target-mips/translate.c
index e26f742..57b824f 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -3871,6 +3871,7 @@ static void gen_loongson_multimedia(DisasContext *ctx, 
int rd, int rs, int rt)
         break;
     }
 
+    check_cp1_enabled(ctx);
     gen_load_fpr64(ctx, t0, rs);
     gen_load_fpr64(ctx, t1, rt);
 
-- 
2.7.4




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