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Fri, 12 Feb 2021 23:44:55 +0800 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07436965|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_system_inform|0.720751-0.00764297-0.271606; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047207; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=6; RT=6; SR=0; TI=SMTPD_---.JYH1MKM_1613144694; From: LIU Zhiwei To: qemu-devel@nongnu.org Subject: [PATCH 20/38] target/riscv: Partial-SIMD Miscellaneous Instructions Date: Fri, 12 Feb 2021 23:02:38 +0800 Message-Id: <20210212150256.885-21-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 Acked-by: Alistair Francis --- target/riscv/helper.h | 8 +++ target/riscv/insn32-64.decode | 4 -- target/riscv/insn32.decode | 10 ++++ target/riscv/insn_trans/trans_rvp.c.inc | 9 +++ target/riscv/packed_helper.c | 75 +++++++++++++++++++++++++ 5 files changed, 102 insertions(+), 4 deletions(-) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 2511134610..7c3a0654d6 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1315,3 +1315,11 @@ DEF_HELPER_4(kmsda, tl, env, tl, tl, tl) DEF_HELPER_4(kmsxda, tl, env, tl, tl, tl) =20 DEF_HELPER_3(smal, i64, env, i64, tl) + +DEF_HELPER_3(sclip32, tl, env, tl, tl) +DEF_HELPER_3(uclip32, tl, env, tl, tl) +DEF_HELPER_2(clrs32, tl, env, tl) +DEF_HELPER_2(clz32, tl, env, tl) +DEF_HELPER_2(clo32, tl, env, tl) +DEF_HELPER_3(pbsad, tl, env, tl, tl) +DEF_HELPER_4(pbsada, tl, env, tl, tl, tl) diff --git a/target/riscv/insn32-64.decode b/target/riscv/insn32-64.decode index 8157dee8b7..1094172210 100644 --- a/target/riscv/insn32-64.decode +++ b/target/riscv/insn32-64.decode @@ -19,10 +19,6 @@ # This is concatenated with insn32.decode for risc64 targets. # Most of the fields and formats are there. =20 -%sh5 20:5 - -@sh5 ....... ..... ..... ... ..... ....... &shift shamt=3D%sh5 = %rs1 %rd - # *** RV64I Base Instruction Set (in addition to RV32I) *** lwu ............ ..... 110 ..... 0000011 @i ld ............ ..... 011 ..... 0000011 @i diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index a022f660b7..12e95f9c5f 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -25,6 +25,7 @@ %sh10 20:10 %sh4 20:4 %sh3 20:3 +%sh5 20:5 %csr 20:12 %rm 12:3 %nf 29:3 !function=3Dex_plus_1 @@ -64,6 +65,7 @@ @sh ...... ...... ..... ... ..... ....... &shift shamt=3D%sh10 = %rs1 %rd @sh4 ...... ...... ..... ... ..... ....... &shift shamt=3D%sh4 = %rs1 %rd @sh3 ...... ...... ..... ... ..... ....... &shift shamt=3D%sh3 = %rs1 %rd +@sh5 ...... ...... ..... ... ..... ....... &shift shamt=3D%sh5 = %rs1 %rd @csr ............ ..... ... ..... ....... %csr %r= s1 %rd =20 @atom_ld ..... aq:1 rl:1 ..... ........ ..... ....... &atomic rs2=3D0 = %rs1 %rd @@ -783,3 +785,11 @@ kmsda 0100110 ..... ..... 001 ..... 1111111 @r kmsxda 0100111 ..... ..... 001 ..... 1111111 @r =20 smal 0101111 ..... ..... 001 ..... 1111111 @r + +sclip32 1110010 ..... ..... 000 ..... 1111111 @sh5 +uclip32 1111010 ..... ..... 000 ..... 1111111 @sh5 +clrs32 1010111 11000 ..... 000 ..... 1111111 @r2 +clz32 1010111 11001 ..... 000 ..... 1111111 @r2 +clo32 1010111 11011 ..... 000 ..... 1111111 @r2 +pbsad 1111110 ..... ..... 000 ..... 1111111 @r +pbsada 1111111 ..... ..... 000 ..... 1111111 @r diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_tr= ans/trans_rvp.c.inc index 73a26bbfbd..42656682c6 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -656,3 +656,12 @@ static bool trans_##NAME(DisasContext *s, arg_r *a) = \ } =20 GEN_RVP_R_D64_S64_OOL(smal); + +/* Partial-SIMD Miscellaneous Instructions */ +GEN_RVP_SHIFTI(sclip32, sclip32, NULL); +GEN_RVP_SHIFTI(uclip32, uclip32, NULL); +GEN_RVP_R2_OOL(clrs32); +GEN_RVP_R2_OOL(clz32); +GEN_RVP_R2_OOL(clo32); +GEN_RVP_R_OOL(pbsad); +GEN_RVP_R_ACC_OOL(pbsada); diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index 8ad7ea8354..96e73c045b 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -1978,3 +1978,78 @@ uint64_t helper_smal(CPURISCVState *env, uint64_t a,= target_ulong b) } return result; } + +/* Partial-SIMD Miscellaneous Instructions */ +static inline void do_sclip32(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int32_t *d =3D vd, *a =3D va; + uint8_t shift =3D *(uint8_t *)vb & 0x1f; + + d[i] =3D sat64(env, a[i], shift); +} + +RVPR(sclip32, 1, 4); + +static inline void do_uclip32(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int32_t *d =3D vd, *a =3D va; + uint8_t shift =3D *(uint8_t *)vb & 0x1f; + + if (a[i] < 0) { + d[i] =3D 0; + env->vxsat =3D 0x1; + } else { + d[i] =3D satu64(env, a[i], shift); + } +} + +RVPR(uclip32, 1, 4); + +static inline void do_clrs32(CPURISCVState *env, void *vd, void *va, uint8= _t i) +{ + int32_t *d =3D vd, *a =3D va; + d[i] =3D clrsb32(a[i]); +} + +RVPR2(clrs32, 1, 4); + +static inline void do_clz32(CPURISCVState *env, void *vd, void *va, uint8_= t i) +{ + int32_t *d =3D vd, *a =3D va; + d[i] =3D clz32(a[i]); +} + +RVPR2(clz32, 1, 4); + +static inline void do_clo32(CPURISCVState *env, void *vd, void *va, uint8_= t i) +{ + int32_t *d =3D vd, *a =3D va; + d[i] =3D clo32(a[i]); +} + +RVPR2(clo32, 1, 4); + +static inline void do_pbsad(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_ulong *d =3D vd; + uint8_t *a =3D va, *b =3D vb; + *d +=3D abs(a[i] - b[i]); +} + +RVPR(pbsad, 1, 1); + +static inline void do_pbsada(CPURISCVState *env, void *vd, void *va, + void *vb, void *vc, uint8_t i) +{ + target_ulong *d =3D vd, *c =3D vc; + uint8_t *a =3D va, *b =3D vb; + if (i =3D=3D 0) { + *d +=3D *c; + } + *d +=3D abs(a[i] - b[i]); +} + +RVPR_ACC(pbsada, 1, 1); --=20 2.17.1