diff options
Diffstat (limited to 'tcg/tcg-op.c')
| -rw-r--r-- | tcg/tcg-op.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index bb2bfeef3c..4d125df50f 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -678,6 +678,33 @@ void tcg_gen_muls2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2) } } +void tcg_gen_mulsu2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_REG_BITS == 32) { + TCGv_i32 t0 = tcg_temp_new_i32(); + TCGv_i32 t1 = tcg_temp_new_i32(); + TCGv_i32 t2 = tcg_temp_new_i32(); + tcg_gen_mulu2_i32(t0, t1, arg1, arg2); + /* Adjust for negative input for the signed arg1. */ + tcg_gen_sari_i32(t2, arg1, 31); + tcg_gen_and_i32(t2, t2, arg2); + tcg_gen_sub_i32(rh, t1, t2); + tcg_gen_mov_i32(rl, t0); + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + tcg_temp_free_i32(t2); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + tcg_gen_ext_i32_i64(t0, arg1); + tcg_gen_extu_i32_i64(t1, arg2); + tcg_gen_mul_i64(t0, t0, t1); + tcg_gen_extr_i64_i32(rl, rh, t0); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + void tcg_gen_ext8s_i32(TCGv_i32 ret, TCGv_i32 arg) { if (TCG_TARGET_HAS_ext8s_i32) { @@ -1748,6 +1775,22 @@ void tcg_gen_muls2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2) } } +void tcg_gen_mulsu2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2) +{ + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + TCGv_i64 t2 = tcg_temp_new_i64(); + tcg_gen_mulu2_i64(t0, t1, arg1, arg2); + /* Adjust for negative input for the signed arg1. */ + tcg_gen_sari_i64(t2, arg1, 63); + tcg_gen_and_i64(t2, t2, arg2); + tcg_gen_sub_i64(rh, t1, t2); + tcg_gen_mov_i64(rl, t0); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(t2); +} + /* Size changing operations. */ void tcg_gen_extrl_i64_i32(TCGv_i32 ret, TCGv_i64 arg) |