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FP=0|0|0|0|0|-1|-1|-1; HT=e02c03299; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=10; RT=10; SR=0; TI=SMTPD_---.H-QXzh9_1584032049; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.H-QXzh9_1584032049) by smtp.aliyun-inc.com(10.147.43.95); Fri, 13 Mar 2020 00:54:10 +0800 From: LIU Zhiwei To: richard.henderson@linaro.org, alistair23@gmail.com, chihmin.chao@sifive.com, palmer@dabbelt.com Subject: [PATCH v5 57/60] target/riscv: vector slide instructions Date: Thu, 12 Mar 2020 22:58:57 +0800 Message-Id: <20200312145900.2054-58-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200312145900.2054-1-zhiwei_liu@c-sky.com> References: <20200312145900.2054-1-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 | 7 ++ target/riscv/insn_trans/trans_rvv.inc.c | 17 +++ target/riscv/vector_helper.c | 136 ++++++++++++++++++++++++ 4 files changed, 177 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 7a689a5c07..e86df5b9e4 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1120,3 +1120,20 @@ DEF_HELPER_3(vfmv_s_f_b, void, ptr, i64, env) DEF_HELPER_3(vfmv_s_f_h, void, ptr, i64, env) DEF_HELPER_3(vfmv_s_f_w, void, ptr, i64, env) DEF_HELPER_3(vfmv_s_f_d, void, ptr, i64, env) + +DEF_HELPER_6(vslideup_vx_b, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslideup_vx_h, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslideup_vx_w, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslideup_vx_d, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslidedown_vx_b, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslidedown_vx_h, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslidedown_vx_w, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslidedown_vx_d, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslide1up_vx_b, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslide1up_vx_h, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslide1up_vx_w, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslide1up_vx_d, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslide1down_vx_b, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslide1down_vx_h, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslide1down_vx_w, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vslide1down_vx_d, void, ptr, ptr, tl, ptr, env, i32) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index bfdce0979c..e6ade9c68e 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -72,6 +72,7 @@ @r2_vm ...... vm:1 ..... ..... ... ..... ....... &rmr %rs2 %rd @r1_vm ...... vm:1 ..... ..... ... ..... ....... %rd @r_nfvm ... ... vm:1 ..... ..... ... ..... ....... &rnfvm %nf %rs2 %rs1 %rd +@r2rd ....... ..... ..... ... ..... ....... %rs2 %rd @r_vm ...... vm:1 ..... ..... ... ..... ....... &rmrr %rs2 %rs1 %rd @r_wdvm ..... wd:1 vm:1 ..... ..... ... ..... ....... &rwdvm %rs2 %rs1 %rd @r2_zimm . zimm:11 ..... ... ..... ....... %rs1 %rd @@ -559,6 +560,12 @@ vext_x_v 001100 1 ..... ..... 010 ..... 1010111 @r vmv_s_x 001101 1 00000 ..... 110 ..... 1010111 @r2 vfmv_f_s 001100 1 ..... 00000 001 ..... 1010111 @r2rd vfmv_s_f 001101 1 00000 ..... 101 ..... 1010111 @r2 +vslideup_vx 001110 . ..... ..... 100 ..... 1010111 @r_vm +vslideup_vi 001110 . ..... ..... 011 ..... 1010111 @r_vm +vslide1up_vx 001110 . ..... ..... 110 ..... 1010111 @r_vm +vslidedown_vx 001111 . ..... ..... 100 ..... 1010111 @r_vm +vslidedown_vi 001111 . ..... ..... 011 ..... 1010111 @r_vm +vslide1down_vx 001111 . ..... ..... 110 ..... 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 99cd45b0aa..ef5960ba39 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -2316,3 +2316,20 @@ static bool trans_vfmv_s_f(DisasContext *s, arg_vfmv_s_f *a) } return false; } + +/* Vector Slide Instructions */ +static bool slideup_check(DisasContext *s, arg_rmrr *a) +{ + return (vext_check_isa_ill(s, RVV) && + vext_check_overlap_mask(s, a->rd, a->vm, true) && + vext_check_reg(s, a->rd, false) && + vext_check_reg(s, a->rs2, false) && + (a->rd != a->rs2)); +} +GEN_OPIVX_TRANS(vslideup_vx, slideup_check) +GEN_OPIVX_TRANS(vslide1up_vx, slideup_check) +GEN_OPIVI_TRANS(vslideup_vi, 1, vslideup_vx, slideup_check) + +GEN_OPIVX_TRANS(vslidedown_vx, opivx_check) +GEN_OPIVX_TRANS(vslide1down_vx, opivx_check) +GEN_OPIVI_TRANS(vslidedown_vi, 1, vslidedown_vx, opivx_check) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 3235c3fbe1..2219fdd6c5 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4511,3 +4511,139 @@ uint64_t HELPER(vfmv_f_s_d)(void *vs2, CPURISCVState *env) return deposit64(*((uint64_t *)vs2), 32, 32, 0xffffffff); } } + +/* Vector Slide Instructions */ +/* + * the spec doesn't specify the behavior when offset is lager than vl, + * just truncate the offset to vl here. + */ +#define GEN_VEXT_VSLIDEUP_VX(NAME, ETYPE, H, CLEAR_FN) \ +void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \ + CPURISCVState *env, uint32_t desc) \ +{ \ + uint32_t mlen = vext_mlen(desc); \ + uint32_t vlmax = env_archcpu(env)->cfg.vlen / mlen; \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + uint32_t offset = s1, i; \ + \ + if (offset > vl) { \ + offset = vl; \ + } \ + for (i = 0; i < vl; i++) { \ + if (((i < offset)) || (!vm && !vext_elem_mask(v0, mlen, i))) { \ + continue; \ + } \ + *((ETYPE *)vd + H(i)) = *((ETYPE *)vs2 + H(i - offset)); \ + } \ + if (i == 0) { \ + return; \ + } \ + for (; i < vlmax; i++) { \ + CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE)); \ + } \ +} +/* vslideup.vx vd, vs2, rs1, vm # vd[i+rs1] = vs2[i] */ +GEN_VEXT_VSLIDEUP_VX(vslideup_vx_b, uint8_t, H1, clearb) +GEN_VEXT_VSLIDEUP_VX(vslideup_vx_h, uint16_t, H2, clearh) +GEN_VEXT_VSLIDEUP_VX(vslideup_vx_w, uint32_t, H4, clearl) +GEN_VEXT_VSLIDEUP_VX(vslideup_vx_d, uint64_t, H8, clearq) + +#define GEN_VEXT_VSLIDEDOWN_VX(NAME, ETYPE, H, CLEAR_FN) \ +void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \ + CPURISCVState *env, uint32_t desc) \ +{ \ + uint32_t mlen = vext_mlen(desc); \ + uint32_t vlmax = env_archcpu(env)->cfg.vlen / mlen; \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + uint32_t offset = s1, i; \ + \ + for (i = 0; i < vl; i++) { \ + if (!vm && !vext_elem_mask(v0, mlen, i)) { \ + continue; \ + } \ + if (i + offset < vlmax) { \ + *((ETYPE *)vd + H(i)) = *((ETYPE *)vs2 + H(i + offset)); \ + } else { \ + *((ETYPE *)vd + H(i)) = 0; \ + } \ + } \ + if (i == 0) { \ + return; \ + } \ + for (; i < vlmax; i++) { \ + CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE)); \ + } \ +} +/* vslidedown.vx vd, vs2, rs1, vm # vd[i] = vs2[i+rs1] */ +GEN_VEXT_VSLIDEDOWN_VX(vslidedown_vx_b, uint8_t, H1, clearb) +GEN_VEXT_VSLIDEDOWN_VX(vslidedown_vx_h, uint16_t, H2, clearh) +GEN_VEXT_VSLIDEDOWN_VX(vslidedown_vx_w, uint32_t, H4, clearl) +GEN_VEXT_VSLIDEDOWN_VX(vslidedown_vx_d, uint64_t, H8, clearq) + +#define GEN_VEXT_VSLIDE1UP_VX(NAME, ETYPE, H, CLEAR_FN) \ +void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \ + CPURISCVState *env, uint32_t desc) \ +{ \ + uint32_t mlen = vext_mlen(desc); \ + uint32_t vlmax = env_archcpu(env)->cfg.vlen / mlen; \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + if (!vm && !vext_elem_mask(v0, mlen, i)) { \ + continue; \ + } \ + if (i == 0) { \ + *((ETYPE *)vd + H(i)) = s1; \ + } else { \ + *((ETYPE *)vd + H(i)) = *((ETYPE *)vs2 + H(i - 1)); \ + } \ + } \ + if (i == 0) { \ + return; \ + } \ + for (; i < vlmax; i++) { \ + CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE)); \ + } \ +} +/* vslide1up.vx vd, vs2, rs1, vm # vd[0]=x[rs1], vd[i+1] = vs2[i] */ +GEN_VEXT_VSLIDE1UP_VX(vslide1up_vx_b, uint8_t, H1, clearb) +GEN_VEXT_VSLIDE1UP_VX(vslide1up_vx_h, uint16_t, H2, clearh) +GEN_VEXT_VSLIDE1UP_VX(vslide1up_vx_w, uint32_t, H4, clearl) +GEN_VEXT_VSLIDE1UP_VX(vslide1up_vx_d, uint64_t, H8, clearq) + +#define GEN_VEXT_VSLIDE1DOWN_VX(NAME, ETYPE, H, CLEAR_FN) \ +void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \ + CPURISCVState *env, uint32_t desc) \ +{ \ + uint32_t mlen = vext_mlen(desc); \ + uint32_t vlmax = env_archcpu(env)->cfg.vlen / mlen; \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + if (!vm && !vext_elem_mask(v0, mlen, i)) { \ + continue; \ + } \ + if (i == vl - 1) { \ + *((ETYPE *)vd + H(i)) = s1; \ + } else { \ + *((ETYPE *)vd + H(i)) = *((ETYPE *)vs2 + H(i + 1)); \ + } \ + } \ + if (i == 0) { \ + return; \ + } \ + for (; i < vlmax; i++) { \ + CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE)); \ + } \ +} +/* vslide1down.vx vd, vs2, rs1, vm # vd[i] = vs2[i+1], vd[vl-1]=x[rs1] */ +GEN_VEXT_VSLIDE1DOWN_VX(vslide1down_vx_b, uint8_t, H1, clearb) +GEN_VEXT_VSLIDE1DOWN_VX(vslide1down_vx_h, uint16_t, H2, clearh) +GEN_VEXT_VSLIDE1DOWN_VX(vslide1down_vx_w, uint32_t, H4, clearl) +GEN_VEXT_VSLIDE1DOWN_VX(vslide1down_vx_d, uint64_t, H8, clearq) -- 2.23.0