diff options
| -rw-r--r-- | target/arm/tcg/a64.decode | 10 | ||||
| -rw-r--r-- | target/arm/tcg/translate-a64.c | 44 |
2 files changed, 54 insertions, 0 deletions
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 8c798cde2b..c1811b0274 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -156,6 +156,16 @@ MOVZ . 10 100101 .. ................ ..... @movw_32 MOVK . 11 100101 .. ................ ..... @movw_64 MOVK . 11 100101 .. ................ ..... @movw_32 +# Min/Max (immediate) + +@minmaxi_s sf:1 .. ........... imm:s8 rn:5 rd:5 &rri_sf +@minmaxi_u sf:1 .. ........... imm:8 rn:5 rd:5 &rri_sf + +SMAX_i . 00 1000111 0000 ........ ..... ..... @minmaxi_s +SMIN_i . 00 1000111 0010 ........ ..... ..... @minmaxi_s +UMAX_i . 00 1000111 0001 ........ ..... ..... @minmaxi_u +UMIN_i . 00 1000111 0011 ........ ..... ..... @minmaxi_u + # Bitfield &bitfield rd rn sf immr imms diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index dbf47595db..b70ae5befd 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -4553,6 +4553,50 @@ TRANS(ADDS_i, gen_rri, a, 0, 1, a->sf ? gen_add64_CC : gen_add32_CC) TRANS(SUBS_i, gen_rri, a, 0, 1, a->sf ? gen_sub64_CC : gen_sub32_CC) /* + * Min/Max (immediate) + */ + +static void gen_wrap3_i32(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, NeonGenTwoOpFn fn) +{ + TCGv_i32 t1 = tcg_temp_new_i32(); + TCGv_i32 t2 = tcg_temp_new_i32(); + + tcg_gen_extrl_i64_i32(t1, n); + tcg_gen_extrl_i64_i32(t2, m); + fn(t1, t1, t2); + tcg_gen_extu_i32_i64(d, t1); +} + +static void gen_smax32_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) +{ + gen_wrap3_i32(d, n, m, tcg_gen_smax_i32); +} + +static void gen_smin32_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) +{ + gen_wrap3_i32(d, n, m, tcg_gen_smin_i32); +} + +static void gen_umax32_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) +{ + gen_wrap3_i32(d, n, m, tcg_gen_umax_i32); +} + +static void gen_umin32_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) +{ + gen_wrap3_i32(d, n, m, tcg_gen_umin_i32); +} + +TRANS_FEAT(SMAX_i, aa64_cssc, gen_rri, a, 0, 0, + a->sf ? tcg_gen_smax_i64 : gen_smax32_i64) +TRANS_FEAT(SMIN_i, aa64_cssc, gen_rri, a, 0, 0, + a->sf ? tcg_gen_smin_i64 : gen_smin32_i64) +TRANS_FEAT(UMAX_i, aa64_cssc, gen_rri, a, 0, 0, + a->sf ? tcg_gen_umax_i64 : gen_umax32_i64) +TRANS_FEAT(UMIN_i, aa64_cssc, gen_rri, a, 0, 0, + a->sf ? tcg_gen_umin_i64 : gen_umin32_i64) + +/* * Add/subtract (immediate, with tags) */ |