| Message ID | 1347837120-14422-7-git-send-email-aurelien@aurel32.net |
|---|---|
| State | New |
| Headers | show |
diff --git a/target-sh4/translate.c b/target-sh4/translate.c index 92c5a1f..9ecbe47 100644 --- a/target-sh4/translate.c +++ b/target-sh4/translate.c @@ -732,17 +732,7 @@ static void _decode_opc(DisasContext * ctx) } return; case 0x6009: /* swap.w Rm,Rn */ - { - TCGv high, low; - high = tcg_temp_new(); - tcg_gen_shli_i32(high, REG(B7_4), 16); - low = tcg_temp_new(); - tcg_gen_shri_i32(low, REG(B7_4), 16); - tcg_gen_ext16u_i32(low, low); - tcg_gen_or_i32(REG(B11_8), high, low); - tcg_temp_free(low); - tcg_temp_free(high); - } + tcg_gen_rotli_i32(REG(B11_8), REG(B7_4), 16); return; case 0x200d: /* xtrct Rm,Rn */ {
It's possible swap the two 16-bit words of a 32-bit register using a rotation. If the TCG target doesn't implement rotation, the replacement code is similar to the previously implemented code. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> --- target-sh4/translate.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-)