public/qemu
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

target/tricore: Use min/max for saturate

Browse source 
Use tcg_constant_i32 for the bounds.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-02-26 12:30:27 -10:00
parent 7058ff5231
commit 5a48476ec0
1 changed files with 3 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
target/tricore/translate.c
View file

@ -2443,21 +2443,13 @@ gen_msubsui_64(TCGv ret_low, TCGv ret_high, TCGv r1, TCGv r2_low, TCGv r2_high,
static void gen_saturate(TCGv ret, TCGv arg, int32_t up, int32_t low)
{
TCGv sat_neg = tcg_const_i32(low);
TCGv temp = tcg_const_i32(up);
/* sat_neg = (arg < low ) ? low : arg; */
tcg_gen_movcond_tl(TCG_COND_LT, sat_neg, arg, sat_neg, sat_neg, arg);
/* ret = (sat_neg > up ) ? up : sat_neg; */
tcg_gen_movcond_tl(TCG_COND_GT, ret, sat_neg, temp, temp, sat_neg);
tcg_gen_smax_tl(ret, arg, tcg_constant_i32(low));
tcg_gen_smin_tl(ret, ret, tcg_constant_i32(up));
}
static void gen_saturate_u(TCGv ret, TCGv arg, int32_t up)
{
TCGv temp = tcg_const_i32(up);
/* sat_neg = (arg > up ) ? up : arg; */
tcg_gen_movcond_tl(TCG_COND_GTU, ret, arg, temp, temp, arg);
tcg_gen_umin_tl(ret, arg, tcg_constant_i32(up));
}
static void gen_shi(TCGv ret, TCGv r1, int32_t shift_count)