diff options
Diffstat (limited to 'tcg/tcg-op-vec.c')
-rw-r--r-- | tcg/tcg-op-vec.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c index ac5b69c..6f30603 100644 --- a/tcg/tcg-op-vec.c +++ b/tcg/tcg-op-vec.c @@ -297,3 +297,48 @@ void tcg_gen_neg_vec(unsigned vece, TCGv_vec r, TCGv_vec a) tcg_temp_free_vec(t); } } + +static void do_shifti(TCGOpcode opc, unsigned vece, + TCGv_vec r, TCGv_vec a, int64_t i) +{ + TCGTemp *rt = tcgv_vec_temp(r); + TCGTemp *at = tcgv_vec_temp(a); + TCGArg ri = temp_arg(rt); + TCGArg ai = temp_arg(at); + TCGType type = rt->base_type; + int can; + + tcg_debug_assert(at->base_type == type); + tcg_debug_assert(i >= 0 && i < (8 << vece)); + + if (i == 0) { + tcg_gen_mov_vec(r, a); + return; + } + + can = tcg_can_emit_vec_op(opc, type, vece); + if (can > 0) { + vec_gen_3(opc, type, vece, ri, ai, i); + } else { + /* We leave the choice of expansion via scalar or vector shift + to the target. Often, but not always, dupi can feed a vector + shift easier than a scalar. */ + tcg_debug_assert(can < 0); + tcg_expand_vec_op(opc, type, vece, ri, ai, i); + } +} + +void tcg_gen_shli_vec(unsigned vece, TCGv_vec r, TCGv_vec a, int64_t i) +{ + do_shifti(INDEX_op_shli_vec, vece, r, a, i); +} + +void tcg_gen_shri_vec(unsigned vece, TCGv_vec r, TCGv_vec a, int64_t i) +{ + do_shifti(INDEX_op_shri_vec, vece, r, a, i); +} + +void tcg_gen_sari_vec(unsigned vece, TCGv_vec r, TCGv_vec a, int64_t i) +{ + do_shifti(INDEX_op_sari_vec, vece, r, a, i); +} |