[Qemu-devel] [PATCH] target-mips: Fix Loongson pandn instruction.

[Heiher]

From: Heiher <wa...@lemote.com>

pandn FD, FS, FT
Operation: FD = ((NOT FS) AND FT)

Signed-off-by: Heiher <wa...@lemote.com>
Signed-off-by: Fuxin Zhang <zhan...@lemote.com>
---
 target-mips/translate.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/target-mips/translate.c b/target-mips/translate.c
index 55c2ca0..ed67180 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -3880,6 +3880,8 @@ static void gen_loongson_multimedia(DisasContext *ctx, 
int rd, int rs, int rt)
     case OPC_##UP: gen_helper_##LO(t0, t0); break
 #define LMI_DIRECT(UP, LO, OP) \
     case OPC_##UP: tcg_gen_##OP##_i64(t0, t0, t1); break
+#define LMI_DIRECT_SWAP(UP, LO, OP) \
+    case OPC_##UP: tcg_gen_##OP##_i64(t0, t1, t0); break
 
     switch (opc) {
     LMI_HELPER(PADDSH, paddsh);
@@ -3945,8 +3947,8 @@ static void gen_loongson_multimedia(DisasContext *ctx, 
int rd, int rs, int rt)
     LMI_DIRECT(XOR_CP2, xor, xor);
     LMI_DIRECT(NOR_CP2, nor, nor);
     LMI_DIRECT(AND_CP2, and, and);
-    LMI_DIRECT(PANDN, pandn, andc);
     LMI_DIRECT(OR, or, or);
+    LMI_DIRECT_SWAP(PANDN, pandn, andc);
 
     case OPC_PINSRH_0:
         tcg_gen_deposit_i64(t0, t0, t1, 0, 16);
-- 
2.10.0