mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

target/xtensa: Use tcg_gen_sextract_i32

Browse Source 
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-10-19 11:25:32 -07:00
parent 8b8bb29548
commit e40df3522b
1 changed files with 1 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
target/xtensa/translate.c
View File

@ -2262,17 +2262,7 @@ static void translate_salt(DisasContext *dc, const OpcodeArg arg[],
static void translate_sext(DisasContext *dc, const OpcodeArg arg[], static void translate_sext(DisasContext *dc, const OpcodeArg arg[],
const uint32_t par[]) const uint32_t par[])
{ {
int shift = 31 - arg[2].imm; tcg_gen_sextract_i32(arg[0].out, arg[1].in, 0, arg[2].imm + 1);
if (shift == 24) {
tcg_gen_ext8s_i32(arg[0].out, arg[1].in);
} else if (shift == 16) {
tcg_gen_ext16s_i32(arg[0].out, arg[1].in);
} else {
TCGv_i32 tmp = tcg_temp_new_i32();
tcg_gen_shli_i32(tmp, arg[1].in, shift);
tcg_gen_sari_i32(arg[0].out, tmp, shift);
}
} }
static uint32_t test_exceptions_simcall(DisasContext *dc, static uint32_t test_exceptions_simcall(DisasContext *dc,