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Sat, 13 Feb 2021 00:09:05 +0800 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07436751|-1; CH=blue; DM=|OVERLOAD|false|; DS=CONTINUE|ham_system_inform|0.379647-0.00324761-0.617105; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047208; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=6; RT=6; SR=0; TI=SMTPD_---.JYHSMeC_1613146144; From: LIU Zhiwei To: qemu-devel@nongnu.org Subject: [PATCH 32/38] target/riscv: RV64 Only SIMD Q15 saturating Multiply Instructions Date: Fri, 12 Feb 2021 23:02:50 +0800 Message-Id: <20210212150256.885-33-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210212150256.885-1-zhiwei_liu@c-sky.com> References: <20210212150256.885-1-zhiwei_liu@c-sky.com> Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=121.197.200.217; envelope-from=zhiwei_liu@c-sky.com; helo=smtp2200-217.mail.aliyun.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, UNPARSEABLE_RELAY=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: richard.henderson@linaro.org, LIU Zhiwei , qemu-riscv@nongnu.org, palmer@dabbelt.com, alistair23@gmail.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: LIU Zhiwei --- target/riscv/helper.h | 10 ++ target/riscv/insn32-64.decode | 10 ++ target/riscv/insn_trans/trans_rvp.c.inc | 11 ++ target/riscv/packed_helper.c | 141 ++++++++++++++++++++++++ 4 files changed, 172 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 384b42ce90..f8521a5388 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1440,4 +1440,14 @@ DEF_HELPER_3(umin32, tl, env, tl, tl) DEF_HELPER_3(smax32, tl, env, tl, tl) DEF_HELPER_3(umax32, tl, env, tl, tl) DEF_HELPER_2(kabs32, tl, env, tl) + +DEF_HELPER_3(khmbb16, tl, env, tl, tl) +DEF_HELPER_3(khmbt16, tl, env, tl, tl) +DEF_HELPER_3(khmtt16, tl, env, tl, tl) +DEF_HELPER_3(kdmbb16, tl, env, tl, tl) +DEF_HELPER_3(kdmbt16, tl, env, tl, tl) +DEF_HELPER_3(kdmtt16, tl, env, tl, tl) +DEF_HELPER_4(kdmabb16, tl, env, tl, tl, tl) +DEF_HELPER_4(kdmabt16, tl, env, tl, tl, tl) +DEF_HELPER_4(kdmatt16, tl, env, tl, tl, tl) #endif diff --git a/target/riscv/insn32-64.decode b/target/riscv/insn32-64.decode index a2b8831467..2e1c1817e4 100644 --- a/target/riscv/insn32-64.decode +++ b/target/riscv/insn32-64.decode @@ -135,3 +135,13 @@ umin32 1010000 ..... ..... 010 ..... 1111111 @r smax32 1001001 ..... ..... 010 ..... 1111111 @r umax32 1010001 ..... ..... 010 ..... 1111111 @r kabs32 1010110 10010 ..... 000 ..... 1111111 @r2 + +khmbb16 1101110 ..... ..... 001 ..... 1111111 @r +khmbt16 1110110 ..... ..... 001 ..... 1111111 @r +khmtt16 1111110 ..... ..... 001 ..... 1111111 @r +kdmbb16 1101101 ..... ..... 001 ..... 1111111 @r +kdmbt16 1110101 ..... ..... 001 ..... 1111111 @r +kdmtt16 1111101 ..... ..... 001 ..... 1111111 @r +kdmabb16 1101100 ..... ..... 001 ..... 1111111 @r +kdmabt16 1110100 ..... ..... 001 ..... 1111111 @r +kdmatt16 1111100 ..... ..... 001 ..... 1111111 @r diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_tr= ans/trans_rvp.c.inc index ce144ee5c0..2b4418abd8 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -1179,4 +1179,15 @@ GEN_RVP_R_OOL(umin32); GEN_RVP_R_OOL(smax32); GEN_RVP_R_OOL(umax32); GEN_RVP_R2_OOL(kabs32); + +/* (RV64 Only) SIMD Q15 saturating Multiply Instructions */ +GEN_RVP_R_OOL(khmbb16); +GEN_RVP_R_OOL(khmbt16); +GEN_RVP_R_OOL(khmtt16); +GEN_RVP_R_OOL(kdmbb16); +GEN_RVP_R_OOL(kdmbt16); +GEN_RVP_R_OOL(kdmtt16); +GEN_RVP_R_ACC_OOL(kdmabb16); +GEN_RVP_R_ACC_OOL(kdmabt16); +GEN_RVP_R_ACC_OOL(kdmatt16); #endif diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index c8a92f5b7d..5636848aaf 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -3432,4 +3432,145 @@ static inline void do_kabs32(CPURISCVState *env, vo= id *vd, void *va, uint8_t i) } =20 RVPR2(kabs32, 1, 4); + +/* (RV64 Only) SIMD Q15 saturating Multiply Instructions */ +static inline void do_khmbb16(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int32_t *d =3D vd; + int16_t *a =3D va, *b =3D vb; + + d[H4(i / 2)] =3D sat64(env, (int64_t)a[H2(i)] * b[H2(i)] >> 15, 15); +} + +RVPR(khmbb16, 2, 2); + +static inline void do_khmbt16(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int32_t *d =3D vd; + int16_t *a =3D va, *b =3D vb; + + d[H4(i / 2)] =3D sat64(env, (int64_t)a[H2(i)] * b[H2(i + 1)] >> 15, 15= ); +} + +RVPR(khmbt16, 2, 2); + +static inline void do_khmtt16(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int32_t *d =3D vd; + int16_t *a =3D va, *b =3D vb; + + d[H4(i / 2)] =3D sat64(env, (int64_t)a[H2(i + 1)] * b[H2(i + 1)] >> 15= , 15); +} + +RVPR(khmtt16, 2, 2); + +static inline void do_kdmbb16(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int32_t *d =3D vd; + int16_t *a =3D va, *b =3D vb; + + if (a[H2(i)] =3D=3D INT16_MIN && b[H2(i)] =3D=3D INT16_MIN) { + d[H4(i / 2)] =3D INT32_MAX; + env->vxsat =3D 0x1; + } else { + d[H4(i / 2)] =3D (int64_t)a[H2(i)] * b[H2(i)] << 1; + } +} + +RVPR(kdmbb16, 2, 2); + +static inline void do_kdmbt16(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int32_t *d =3D vd; + int16_t *a =3D va, *b =3D vb; + + if (a[H2(i)] =3D=3D INT16_MIN && b[H2(i + 1)] =3D=3D INT16_MIN) { + d[H4(i / 2)] =3D INT32_MAX; + env->vxsat =3D 0x1; + } else { + d[H4(i / 2)] =3D (int64_t)a[H2(i)] * b[H2(i + 1)] << 1; + } +} + +RVPR(kdmbt16, 2, 2); + +static inline void do_kdmtt16(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int32_t *d =3D vd; + int16_t *a =3D va, *b =3D vb; + + if (a[H2(i + 1)] =3D=3D INT16_MIN && b[H2(i + 1)] =3D=3D INT16_MIN) { + d[H4(i / 2)] =3D INT32_MAX; + env->vxsat =3D 0x1; + } else { + d[H4(i / 2)] =3D (int64_t)a[H2(i + 1)] * b[H2(i + 1)] << 1; + } +} + +RVPR(kdmtt16, 2, 2); + +static inline void do_kdmabb16(CPURISCVState *env, void *vd, void *va, + void *vb, void *vc, uint8_t i) + +{ + int32_t *d =3D vd; + int16_t *a =3D va, *b =3D vb; + int32_t *c =3D vc, m0; + + if (a[H2(i)] =3D=3D INT16_MIN && b[H2(i)] =3D=3D INT16_MIN) { + m0 =3D INT32_MAX; + env->vxsat =3D 0x1; + } else { + m0 =3D (int32_t)a[H2(i)] * b[H2(i)] << 1; + } + d[H4(i / 2)] =3D sadd32(env, 0, c[H4(i)], m0); +} + +RVPR_ACC(kdmabb16, 2, 2); + +static inline void do_kdmabt16(CPURISCVState *env, void *vd, void *va, + void *vb, void *vc, uint8_t i) + +{ + int32_t *d =3D vd; + int16_t *a =3D va, *b =3D vb; + int32_t *c =3D vc, m0; + + if (a[H2(i)] =3D=3D INT16_MIN && b[H2(i + 1)] =3D=3D INT16_MIN) { + m0 =3D INT32_MAX; + env->vxsat =3D 0x1; + } else { + m0 =3D (int32_t)a[H2(i)] * b[H2(i + 1)] << 1; + } + d[H4(i / 2)] =3D sadd32(env, 0, c[H4(i)], m0); +} + +RVPR_ACC(kdmabt16, 2, 2); + +static inline void do_kdmatt16(CPURISCVState *env, void *vd, void *va, + void *vb, void *vc, uint8_t i) + +{ + int32_t *d =3D vd; + int16_t *a =3D va, *b =3D vb; + int32_t *c =3D vc, m0; + + if (a[H2(i + 1)] =3D=3D INT16_MIN && b[H2(i + 1)] =3D=3D INT16_MIN) { + m0 =3D INT32_MAX; + env->vxsat =3D 0x1; + } else { + m0 =3D (int32_t)a[H2(i + 1)] * b[H2(i + 1)] << 1; + } + *d =3D sadd32(env, 0, c[H4(i)], m0); +} + +RVPR_ACC(kdmatt16, 2, 2); + + #endif --=20 2.17.1