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That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sagar Karandikar , Frank Chang , Bastian Koppelmann , Richard Henderson , Alistair Francis , Palmer Dabbelt , LIU Zhiwei 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" From: Frank Chang Clear tail elements only if VTA is agnostic. Signed-off-by: Frank Chang --- target/riscv/insn_trans/trans_rvv.inc.c | 3 ++- target/riscv/vector_helper.c | 7 +++++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_tr= ans/trans_rvv.inc.c index 378af8344d..5004707b87 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -3023,7 +3023,8 @@ GEN_OPFVV_WIDEN_TRANS(vfwredsum_vs, reduction_check) #define GEN_MM_TRANS(NAME) \ static bool trans_##NAME(DisasContext *s, arg_r *a) \ { \ - if (vext_check_isa_ill(s)) { \ + if (require_rvv(s) && \ + vext_check_isa_ill(s)) { \ uint32_t data =3D 0; \ gen_helper_gvec_4_ptr *fn =3D gen_helper_##NAME; \ TCGLabel *over =3D gen_new_label(); \ diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index fa2459d941..bb426e224c 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4738,6 +4738,7 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, = \ uint32_t desc) \ { \ uint32_t vlmax =3D env_archcpu(env)->cfg.vlen; \ + uint32_t vta =3D vext_vta(desc); \ uint32_t vl =3D env->vl; \ uint32_t i; \ int a, b; \ @@ -4747,8 +4748,10 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, = \ b =3D vext_elem_mask(vs2, i); \ vext_set_elem_mask(vd, i, OP(b, a)); \ } \ - for (; i < vlmax; i++) { \ - vext_set_elem_mask(vd, i, 0); \ + if (vta =3D=3D 1) { \ + for (; i < vlmax; i++) { \ + vext_set_elem_mask(vd, i, 1); \ + } \ } \ } =20 --=20 2.17.1