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X-Received-From: 2607:f8b0:4864:20::543 Subject: [Qemu-devel] [PATCH v2 03/29] tcg: Allow add_vec, sub_vec, neg_vec, not_vec to be expanded X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Reviewed-by: David Hildenbrand Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e --- tcg/tcg-op-vec.c | 49 ++++++++++++++++++++++++++++++++---------------- 1 file changed, 33 insertions(+), 16 deletions(-) diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c index 27f65600c3..cfb18682b1 100644 --- a/tcg/tcg-op-vec.c +++ b/tcg/tcg-op-vec.c @@ -226,16 +226,6 @@ void tcg_gen_stl_vec(TCGv_vec r, TCGv_ptr b, TCGArg o,= TCGType low_type) vec_gen_3(INDEX_op_st_vec, low_type, 0, ri, bi, o); } =20 -void tcg_gen_add_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b) -{ - vec_gen_op3(INDEX_op_add_vec, vece, r, a, b); -} - -void tcg_gen_sub_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b) -{ - vec_gen_op3(INDEX_op_sub_vec, vece, r, a, b); -} - void tcg_gen_and_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b) { vec_gen_op3(INDEX_op_and_vec, 0, r, a, b); @@ -296,11 +286,30 @@ void tcg_gen_eqv_vec(unsigned vece, TCGv_vec r, TCGv_= vec a, TCGv_vec b) tcg_gen_not_vec(0, r, r); } =20 +static bool do_op2(unsigned vece, TCGv_vec r, TCGv_vec a, TCGOpcode opc) +{ + TCGTemp *rt =3D tcgv_vec_temp(r); + TCGTemp *at =3D tcgv_vec_temp(a); + TCGArg ri =3D temp_arg(rt); + TCGArg ai =3D temp_arg(at); + TCGType type =3D rt->base_type; + int can; + + tcg_debug_assert(at->base_type >=3D type); + can =3D tcg_can_emit_vec_op(opc, type, vece); + if (can > 0) { + vec_gen_2(opc, type, vece, ri, ai); + } else if (can < 0) { + tcg_expand_vec_op(opc, type, vece, ri, ai); + } else { + return false; + } + return true; +} + void tcg_gen_not_vec(unsigned vece, TCGv_vec r, TCGv_vec a) { - if (TCG_TARGET_HAS_not_vec) { - vec_gen_op2(INDEX_op_not_vec, 0, r, a); - } else { + if (!TCG_TARGET_HAS_not_vec || !do_op2(vece, r, a, INDEX_op_not_vec)) { TCGv_vec t =3D tcg_const_ones_vec_matching(r); tcg_gen_xor_vec(0, r, a, t); tcg_temp_free_vec(t); @@ -309,9 +318,7 @@ void tcg_gen_not_vec(unsigned vece, TCGv_vec r, TCGv_ve= c a) =20 void tcg_gen_neg_vec(unsigned vece, TCGv_vec r, TCGv_vec a) { - if (TCG_TARGET_HAS_neg_vec) { - vec_gen_op2(INDEX_op_neg_vec, vece, r, a); - } else { + if (!TCG_TARGET_HAS_neg_vec || !do_op2(vece, r, a, INDEX_op_neg_vec)) { TCGv_vec t =3D tcg_const_zeros_vec_matching(r); tcg_gen_sub_vec(vece, r, t, a); tcg_temp_free_vec(t); @@ -409,6 +416,16 @@ static void do_op3(unsigned vece, TCGv_vec r, TCGv_vec= a, } } =20 +void tcg_gen_add_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b) +{ + do_op3(vece, r, a, b, INDEX_op_add_vec); +} + +void tcg_gen_sub_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b) +{ + do_op3(vece, r, a, b, INDEX_op_sub_vec); +} + void tcg_gen_mul_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b) { do_op3(vece, r, a, b, INDEX_op_mul_vec); --=20 2.17.1