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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 NaN-boxed the scalar floating-point register based on RVV 0.9's rules. Signed-off-by: Frank Chang --- target/riscv/insn_trans/trans_rvv.inc.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_tr= ans/trans_rvv.inc.c index 780f8660bf..54c08ea1f8 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -2722,6 +2722,7 @@ GEN_OPFVF_TRANS(vfmerge_vfm, opfvf_check) static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f *a) { if (require_rvv(s) && + has_ext(s, RVF) && vext_check_isa_ill(s) && require_align(a->rd, s->flmul) && (s->sew !=3D 0)) { @@ -2744,7 +2745,20 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv= _v_f *a) dest =3D tcg_temp_new_ptr(); desc =3D tcg_const_i32(simd_desc(0, s->vlen / 8, data)); tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, a->rd)); - fns[s->sew - 1](dest, cpu_fpr[a->rs1], cpu_env, desc); + + if ((s->sew < MO_64 && has_ext(s, RVD)) || + (s->sew < MO_32)) { + /* SEW < FLEN */ + TCGv_i64 t1 =3D tcg_temp_new_i64(); + TCGv_i32 sew =3D tcg_const_i32(1 << (s->sew + 3)); + gen_helper_narrower_nanbox_fpr(t1, cpu_fpr[a->rs1], + sew, cpu_env); + fns[s->sew - 1](dest, t1, cpu_env, desc); + tcg_temp_free_i64(t1); + tcg_temp_free_i32(sew); + } else { + fns[s->sew - 1](dest, cpu_fpr[a->rs1], cpu_env, desc); + } =20 tcg_temp_free_ptr(dest); tcg_temp_free_i32(desc); --=20 2.17.1