From: Heiher <wangr@lemote.com>
Date: Thu, 13 Oct 2016 07:10:32 +0000 (+0800)
Subject: target-mips: Fix Loongson multimedia instructions.
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=b5a587b613f6151c2ce164552579ae64f2ddfd1c;p=qmiga%2Fqemu.git

target-mips: Fix Loongson multimedia instructions.

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 <wangr@lemote.com>
Signed-off-by: Fuxin Zhang <zhangfx@lemote.com>
Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
---

diff --git a/target-mips/translate.c b/target-mips/translate.c
index e26f74274b..57b824ff2d 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);