From: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun, 5 Jul 2015 15:05:08 +0000 (+0200)
Subject: target-sh4: use deposit in swap.b instruction
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=218fd7301f88df440da3e16b9cfca000cd2fe111;p=qemu.git

target-sh4: use deposit in swap.b instruction

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---

diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index be0cb321cf..50043cf5b5 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -612,15 +612,11 @@ static void _decode_opc(DisasContext * ctx)
 	return;
     case 0x6008:		/* swap.b Rm,Rn */
 	{
-	    TCGv high, low;
-	    high = tcg_temp_new();
-	    tcg_gen_andi_i32(high, REG(B7_4), 0xffff0000);
-	    low = tcg_temp_new();
+            TCGv low = tcg_temp_new();;
 	    tcg_gen_ext16u_i32(low, REG(B7_4));
 	    tcg_gen_bswap16_i32(low, low);
-	    tcg_gen_or_i32(REG(B11_8), high, low);
+            tcg_gen_deposit_i32(REG(B11_8), REG(B7_4), low, 0, 16);
 	    tcg_temp_free(low);
-	    tcg_temp_free(high);
 	}
 	return;
     case 0x6009:		/* swap.w Rm,Rn */