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DS=CONTINUE|ham_system_inform|0.124647-0.000653911-0.874699; FP=0|0|0|0|0|-1|-1|-1; HT=e02c03305; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=10; RT=10; SR=0; TI=SMTPD_---.H1-QU2T_1584461004; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.H1-QU2T_1584461004) by smtp.aliyun-inc.com(10.147.44.129); Wed, 18 Mar 2020 00:03:25 +0800 From: LIU Zhiwei To: richard.henderson@linaro.org, alistair23@gmail.com, chihmin.chao@sifive.com, palmer@dabbelt.com Subject: [PATCH v6 28/61] target/riscv: vector single-width scaling shift instructions Date: Tue, 17 Mar 2020 23:06:20 +0800 Message-Id: <20200317150653.9008-29-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200317150653.9008-1-zhiwei_liu@c-sky.com> References: <20200317150653.9008-1-zhiwei_liu@c-sky.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 121.197.200.217 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: guoren@linux.alibaba.com, qemu-riscv@nongnu.org, qemu-devel@nongnu.org, wxy194768@alibaba-inc.com, wenmeng_zhang@c-sky.com, LIU Zhiwei Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: LIU Zhiwei --- target/riscv/helper.h | 17 ++++ target/riscv/insn32.decode | 6 ++ target/riscv/insn_trans/trans_rvv.inc.c | 8 ++ target/riscv/vector_helper.c | 117 ++++++++++++++++++++++++ 4 files changed, 148 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 9d29dae925..ce90e5ce0d 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -763,3 +763,20 @@ DEF_HELPER_6(vwsmaccsu_vx_w, void, ptr, ptr, tl, ptr, env, i32) DEF_HELPER_6(vwsmaccus_vx_b, void, ptr, ptr, tl, ptr, env, i32) DEF_HELPER_6(vwsmaccus_vx_h, void, ptr, ptr, tl, ptr, env, i32) DEF_HELPER_6(vwsmaccus_vx_w, void, ptr, ptr, tl, ptr, env, i32) + +DEF_HELPER_6(vssrl_vv_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vssrl_vv_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vssrl_vv_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vssrl_vv_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vssra_vv_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vssra_vv_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vssra_vv_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vssra_vv_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vssrl_vx_b, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vssrl_vx_h, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vssrl_vx_w, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vssrl_vx_d, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vssra_vx_b, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vssra_vx_h, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vssra_vx_w, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vssra_vx_d, void, ptr, ptr, tl, ptr, env, i32) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 2e0e66bdfa..2ecac3d96d 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -431,6 +431,12 @@ vwsmacc_vx 111101 . ..... ..... 100 ..... 1010111 @r_vm vwsmaccsu_vv 111110 . ..... ..... 000 ..... 1010111 @r_vm vwsmaccsu_vx 111110 . ..... ..... 100 ..... 1010111 @r_vm vwsmaccus_vx 111111 . ..... ..... 100 ..... 1010111 @r_vm +vssrl_vv 101010 . ..... ..... 000 ..... 1010111 @r_vm +vssrl_vx 101010 . ..... ..... 100 ..... 1010111 @r_vm +vssrl_vi 101010 . ..... ..... 011 ..... 1010111 @r_vm +vssra_vv 101011 . ..... ..... 000 ..... 1010111 @r_vm +vssra_vx 101011 . ..... ..... 100 ..... 1010111 @r_vm +vssra_vi 101011 . ..... ..... 011 ..... 1010111 @r_vm vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm vsetvl 1000000 ..... ..... 111 ..... 1010111 @r diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c index b898007e9f..684104a978 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -1656,3 +1656,11 @@ GEN_OPIVX_WIDEN_TRANS(vwsmaccu_vx) GEN_OPIVX_WIDEN_TRANS(vwsmacc_vx) GEN_OPIVX_WIDEN_TRANS(vwsmaccsu_vx) GEN_OPIVX_WIDEN_TRANS(vwsmaccus_vx) + +/* Vector Single-Width Scaling Shift Instructions */ +GEN_OPIVV_TRANS(vssrl_vv, opivv_check) +GEN_OPIVV_TRANS(vssra_vv, opivv_check) +GEN_OPIVX_TRANS(vssrl_vx, opivx_check) +GEN_OPIVX_TRANS(vssra_vx, opivx_check) +GEN_OPIVI_TRANS(vssrl_vi, 1, vssrl_vx, opivx_check) +GEN_OPIVI_TRANS(vssra_vi, 0, vssra_vx, opivx_check) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index f961d5bb66..f50312f724 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -2897,3 +2897,120 @@ RVVCALL(OPIVX3_RM, vwsmaccus_vx_w, WOP_SUS_W, H8, H4, vwsmaccus32) GEN_VEXT_VX_RM(vwsmaccus_vx_b, 1, 2, clearh) GEN_VEXT_VX_RM(vwsmaccus_vx_h, 2, 4, clearl) GEN_VEXT_VX_RM(vwsmaccus_vx_w, 4, 8, clearq) + +/* Vector Single-Width Scaling Shift Instructions */ +static inline uint8_t +vssrl8(CPURISCVState *env, int vxrm, uint8_t a, uint8_t b) +{ + uint8_t round, shift = b & 0x7; + uint8_t res; + + round = get_round(vxrm, a, shift); + res = (a >> shift) + round; + return res; +} +static inline uint16_t +vssrl16(CPURISCVState *env, int vxrm, uint16_t a, uint16_t b) +{ + uint8_t round, shift = b & 0xf; + uint16_t res; + + round = get_round(vxrm, a, shift); + res = (a >> shift) + round; + return res; +} +static inline uint32_t +vssrl32(CPURISCVState *env, int vxrm, uint32_t a, uint32_t b) +{ + uint8_t round, shift = b & 0x1f; + uint32_t res; + + round = get_round(vxrm, a, shift); + res = (a >> shift) + round; + return res; +} +static inline uint64_t +vssrl64(CPURISCVState *env, int vxrm, uint64_t a, uint64_t b) +{ + uint8_t round, shift = b & 0x3f; + uint64_t res; + + round = get_round(vxrm, a, shift); + res = (a >> shift) + round; + return res; +} +RVVCALL(OPIVV2_RM, vssrl_vv_b, OP_UUU_B, H1, H1, H1, vssrl8) +RVVCALL(OPIVV2_RM, vssrl_vv_h, OP_UUU_H, H2, H2, H2, vssrl16) +RVVCALL(OPIVV2_RM, vssrl_vv_w, OP_UUU_W, H4, H4, H4, vssrl32) +RVVCALL(OPIVV2_RM, vssrl_vv_d, OP_UUU_D, H8, H8, H8, vssrl64) +GEN_VEXT_VV_RM(vssrl_vv_b, 1, 1, clearb) +GEN_VEXT_VV_RM(vssrl_vv_h, 2, 2, clearh) +GEN_VEXT_VV_RM(vssrl_vv_w, 4, 4, clearl) +GEN_VEXT_VV_RM(vssrl_vv_d, 8, 8, clearq) + +RVVCALL(OPIVX2_RM, vssrl_vx_b, OP_UUU_B, H1, H1, vssrl8) +RVVCALL(OPIVX2_RM, vssrl_vx_h, OP_UUU_H, H2, H2, vssrl16) +RVVCALL(OPIVX2_RM, vssrl_vx_w, OP_UUU_W, H4, H4, vssrl32) +RVVCALL(OPIVX2_RM, vssrl_vx_d, OP_UUU_D, H8, H8, vssrl64) +GEN_VEXT_VX_RM(vssrl_vx_b, 1, 1, clearb) +GEN_VEXT_VX_RM(vssrl_vx_h, 2, 2, clearh) +GEN_VEXT_VX_RM(vssrl_vx_w, 4, 4, clearl) +GEN_VEXT_VX_RM(vssrl_vx_d, 8, 8, clearq) + +static inline int8_t +vssra8(CPURISCVState *env, int vxrm, int8_t a, int8_t b) +{ + uint8_t round, shift = b & 0x7; + int8_t res; + + round = get_round(vxrm, a, shift); + res = (a >> shift) + round; + return res; +} +static inline int16_t +vssra16(CPURISCVState *env, int vxrm, int16_t a, int16_t b) +{ + uint8_t round, shift = b & 0xf; + int16_t res; + + round = get_round(vxrm, a, shift); + res = (a >> shift) + round; + return res; +} +static inline int32_t +vssra32(CPURISCVState *env, int vxrm, int32_t a, int32_t b) +{ + uint8_t round, shift = b & 0x1f; + int32_t res; + + round = get_round(vxrm, a, shift); + res = (a >> shift) + round; + return res; +} +static inline int64_t +vssra64(CPURISCVState *env, int vxrm, int64_t a, int64_t b) +{ + uint8_t round, shift = b & 0x3f; + int64_t res; + + round = get_round(vxrm, a, shift); + res = (a >> shift) + round; + return res; +} +RVVCALL(OPIVV2_RM, vssra_vv_b, OP_SSS_B, H1, H1, H1, vssra8) +RVVCALL(OPIVV2_RM, vssra_vv_h, OP_SSS_H, H2, H2, H2, vssra16) +RVVCALL(OPIVV2_RM, vssra_vv_w, OP_SSS_W, H4, H4, H4, vssra32) +RVVCALL(OPIVV2_RM, vssra_vv_d, OP_SSS_D, H8, H8, H8, vssra64) +GEN_VEXT_VV_RM(vssra_vv_b, 1, 1, clearb) +GEN_VEXT_VV_RM(vssra_vv_h, 2, 2, clearh) +GEN_VEXT_VV_RM(vssra_vv_w, 4, 4, clearl) +GEN_VEXT_VV_RM(vssra_vv_d, 8, 8, clearq) + +RVVCALL(OPIVX2_RM, vssra_vx_b, OP_SSS_B, H1, H1, vssra8) +RVVCALL(OPIVX2_RM, vssra_vx_h, OP_SSS_H, H2, H2, vssra16) +RVVCALL(OPIVX2_RM, vssra_vx_w, OP_SSS_W, H4, H4, vssra32) +RVVCALL(OPIVX2_RM, vssra_vx_d, OP_SSS_D, H8, H8, vssra64) +GEN_VEXT_VX_RM(vssra_vx_b, 1, 1, clearb) +GEN_VEXT_VX_RM(vssra_vx_h, 2, 2, clearh) +GEN_VEXT_VX_RM(vssra_vx_w, 4, 4, clearl) +GEN_VEXT_VX_RM(vssra_vx_d, 8, 8, clearq) -- 2.23.0