From: Alistair Francis <alistair.fran...@wdc.com>

Instead of hard coding 31 for the shift right use TCG_TARGET_REG_BITS - 1.

Signed-off-by: Alistair Francis <alistair.fran...@wdc.com>
Message-Id: 
<7dfbddf7014a595150aa79011ddb342c3cc17ec3.1544648105.git.alistair.fran...@wdc.com>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
 tcg/mips/tcg-target.inc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tcg/mips/tcg-target.inc.c b/tcg/mips/tcg-target.inc.c
index a06ff257fa..be0bc92e8e 100644
--- a/tcg/mips/tcg-target.inc.c
+++ b/tcg/mips/tcg-target.inc.c
@@ -792,7 +792,7 @@ static void tcg_out_addsub2(TCGContext *s, TCGReg rl, 
TCGReg rh, TCGReg al,
             tcg_out_opc_imm(s, OPC_ADDIU, rl, al, bl);
             tcg_out_opc_imm(s, OPC_SLTIU, TCG_TMP0, rl, bl);
         } else if (rl == al && rl == bl) {
-            tcg_out_opc_sa(s, OPC_SRL, TCG_TMP0, al, 31);
+            tcg_out_opc_sa(s, OPC_SRL, TCG_TMP0, al, TCG_TARGET_REG_BITS - 1);
             tcg_out_opc_reg(s, OPC_ADDU, rl, al, bl);
         } else {
             tcg_out_opc_reg(s, OPC_ADDU, rl, al, bl);
-- 
2.17.2


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