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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62a; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62a.google.com 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 autolearn=ham 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: Peter Maydell , qemu-arm@nongnu.org, Stephen Long Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Stephen Long Message-Id: <20200428174332.17162-2-steplong@quicinc.com> Signed-off-by: Richard Henderson --- v7: Fix big-endian indexing. --- target/arm/helper-sve.h | 5 +++++ target/arm/sve.decode | 4 ++++ target/arm/sve_helper.c | 20 ++++++++++++++++++++ target/arm/translate-sve.c | 16 ++++++++++++++++ 4 files changed, 45 insertions(+) diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h index cdff155ead..7aa365d565 100644 --- a/target/arm/helper-sve.h +++ b/target/arm/helper-sve.h @@ -2744,3 +2744,8 @@ DEF_HELPER_FLAGS_5(sve2_cdot_idx_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(sve2_cdot_idx_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_5(sve2_fcvtnt_sh, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_5(sve2_fcvtnt_ds, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, i32) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index fdeb7b106b..94cdc6ff15 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1580,3 +1580,7 @@ SM4E 01000101 00 10001 1 11100 0 ..... ...= .. @rdn_rm_e0 # SVE2 crypto constructive binary operations SM4EKEY 01000101 00 1 ..... 11110 0 ..... ..... @rd_rn_rm_e0 RAX1 01000101 00 1 ..... 11110 1 ..... ..... @rd_rn_rm_e0 + +### SVE2 floating-point convert precision odd elements +FCVTNT_sh 01100100 10 0010 00 101 ... ..... ..... @rd_pg_rn_e0 +FCVTNT_ds 01100100 11 0010 10 101 ... ..... ..... @rd_pg_rn_e0 diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index 4b05e2e427..d44bcfa44a 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -7602,3 +7602,23 @@ void HELPER(fmmla_d)(void *vd, void *vn, void *vm, v= oid *va, d[3] =3D float64_add(a[3], float64_add(p0, p1, status), status); } } + +#define DO_FCVTNT(NAME, TYPEW, TYPEN, HW, HN, OP) = \ +void HELPER(NAME)(void *vd, void *vn, void *vg, void *status, uint32_t des= c) \ +{ = \ + intptr_t i =3D simd_oprsz(desc); = \ + uint64_t *g =3D vg; = \ + do { = \ + uint64_t pg =3D g[(i - 1) >> 6]; = \ + do { = \ + i -=3D sizeof(TYPEW); = \ + if (likely((pg >> (i & 63)) & 1)) { = \ + TYPEW nn =3D *(TYPEW *)(vn + HW(i)); = \ + *(TYPEN *)(vd + HN(i + sizeof(TYPEN))) =3D OP(nn, status);= \ + } = \ + } while (i & 63); = \ + } while (i !=3D 0); = \ +} + +DO_FCVTNT(sve2_fcvtnt_sh, uint32_t, uint16_t, H1_4, H1_2, sve_f32_to_f16) +DO_FCVTNT(sve2_fcvtnt_ds, uint64_t, uint32_t, , H1_4, float64_to_float= 32) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 9a6f7c87c1..700b02814c 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -8246,3 +8246,19 @@ static bool trans_RAX1(DisasContext *s, arg_rrr_esz = *a) } return true; } + +static bool trans_FCVTNT_sh(DisasContext *s, arg_rpr_esz *a) +{ + if (!dc_isar_feature(aa64_sve2, s)) { + return false; + } + return do_zpz_ptr(s, a->rd, a->rn, a->pg, false, gen_helper_sve2_fcvtn= t_sh); +} + +static bool trans_FCVTNT_ds(DisasContext *s, arg_rpr_esz *a) +{ + if (!dc_isar_feature(aa64_sve2, s)) { + return false; + } + return do_zpz_ptr(s, a->rd, a->rn, a->pg, false, gen_helper_sve2_fcvtn= t_ds); +} --=20 2.25.1