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envelope-from=prvs=9816edf2f=alistair.francis@opensource.wdc.com; helo=esa6.hgst.iphmx.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Frank Chang NaN-boxed the scalar floating-point register based on RVV 1.0's rules. Signed-off-by: Frank Chang Reviewed-by: Alistair Francis Message-Id: <20211210075704.23951-38-frank.chang@sifive.com> Signed-off-by: Alistair Francis --- target/riscv/insn_trans/trans_rvv.c.inc | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_= trans/trans_rvv.c.inc index c250943dde..2c8002af54 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -2461,9 +2461,15 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vf= mv_v_f *a) require_rvf(s) && vext_check_isa_ill(s) && require_align(a->rd, s->lmul)) { + TCGv_i64 t1; + if (s->vl_eq_vlmax) { + t1 =3D tcg_temp_new_i64(); + /* NaN-box f[rs1] */ + do_nanbox(s, t1, cpu_fpr[a->rs1]); + tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd), - MAXSZ(s), MAXSZ(s), cpu_fpr[a->rs1]); + MAXSZ(s), MAXSZ(s), t1); mark_vs_dirty(s); } else { TCGv_ptr dest; @@ -2477,15 +2483,21 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_v= fmv_v_f *a) TCGLabel *over =3D gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); =20 + t1 =3D tcg_temp_new_i64(); + /* NaN-box f[rs1] */ + do_nanbox(s, t1, cpu_fpr[a->rs1]); + dest =3D tcg_temp_new_ptr(); desc =3D tcg_constant_i32(simd_desc(s->vlen / 8, 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); + + fns[s->sew - 1](dest, t1, cpu_env, desc); =20 tcg_temp_free_ptr(dest); mark_vs_dirty(s); gen_set_label(over); } + tcg_temp_free_i64(t1); return true; } return false; --=20 2.31.1