OpenE2K
/
qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

target/sh4: Improve swap.b translation 

Remove TCG_BSWAP_IZ and the preceding zero-extension.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-06-13 16:24:25 -07:00
parent 94fdf98721
commit b983a0e172
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
target/sh4/translate.c
View File

@ -676,8 +676,7 @@ static void _decode_opc(DisasContext * ctx)
case 0x6008: /* swap.b Rm,Rn */
{
TCGv low = tcg_temp_new();
tcg_gen_ext16u_i32(low, REG(B7_4));
tcg_gen_bswap16_i32(low, low, TCG_BSWAP_IZ | TCG_BSWAP_OZ);
tcg_gen_bswap16_i32(low, REG(B7_4), 0);
tcg_gen_deposit_i32(REG(B11_8), REG(B7_4), low, 0, 16);
tcg_temp_free(low);
}