Commit 218fd730 authored by Aurelien Jarno's avatar Aurelien Jarno
Browse files

target-sh4: use deposit in swap.b instruction 



Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarAurelien Jarno <aurelien@aurel32.net>
parent 7f6bdc43

target-sh4/translate.c

+2 −6
Original line number Diff line number Diff line
@@ -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 */