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Wed, 18 Mar 2020 00:47:42 +0800 From: LIU Zhiwei To: richard.henderson@linaro.org, alistair23@gmail.com, chihmin.chao@sifive.com, palmer@dabbelt.com Subject: [PATCH v6 50/61] target/riscv: vector mask population count vmpopc Date: Tue, 17 Mar 2020 23:06:42 +0800 Message-Id: <20200317150653.9008-51-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 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: LIU Zhiwei Reviewed-by: Richard Henderson --- target/riscv/helper.h | 2 ++ target/riscv/insn32.decode | 1 + target/riscv/insn_trans/trans_rvv.inc.c | 32 +++++++++++++++++++++++++ target/riscv/vector_helper.c | 20 ++++++++++++++++ 4 files changed, 55 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 116c14f40f..e919c5e30b 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1091,3 +1091,5 @@ DEF_HELPER_6(vmor_mm, void, ptr, ptr, ptr, ptr, env, i32) DEF_HELPER_6(vmnor_mm, void, ptr, ptr, ptr, ptr, env, i32) DEF_HELPER_6(vmornot_mm, void, ptr, ptr, ptr, ptr, env, i32) DEF_HELPER_6(vmxnor_mm, void, ptr, ptr, ptr, ptr, env, i32) + +DEF_HELPER_4(vmpopc_m, tl, ptr, ptr, env, i32) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index a4128c26a0..decb7f773f 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -553,6 +553,7 @@ vmor_mm 011010 - ..... ..... 010 ..... 1010111 @r vmnor_mm 011110 - ..... ..... 010 ..... 1010111 @r vmornot_mm 011100 - ..... ..... 010 ..... 1010111 @r vmxnor_mm 011111 - ..... ..... 010 ..... 1010111 @r +vmpopc_m 010100 . ..... ----- 010 ..... 1010111 @r2_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 620a73d741..c3d6042f82 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -2217,3 +2217,35 @@ GEN_MM_TRANS(vmor_mm) GEN_MM_TRANS(vmnor_mm) GEN_MM_TRANS(vmornot_mm) GEN_MM_TRANS(vmxnor_mm) + +/* Vector mask population count vmpopc */ +static bool trans_vmpopc_m(DisasContext *s, arg_rmr *a) +{ + if (vext_check_isa_ill(s)) { + TCGv_ptr src2, mask; + TCGv dst; + TCGv_i32 desc; + uint32_t data = 0; + data = FIELD_DP32(data, VDATA, MLEN, s->mlen); + data = FIELD_DP32(data, VDATA, VM, a->vm); + data = FIELD_DP32(data, VDATA, LMUL, s->lmul); + + mask = tcg_temp_new_ptr(); + src2 = tcg_temp_new_ptr(); + dst = tcg_temp_new(); + desc = tcg_const_i32(simd_desc(0, s->vlen / 8, data)); + + tcg_gen_addi_ptr(src2, cpu_env, vreg_ofs(s, a->rs2)); + tcg_gen_addi_ptr(mask, cpu_env, vreg_ofs(s, 0)); + + gen_helper_vmpopc_m(dst, mask, src2, cpu_env, desc); + gen_set_gpr(a->rd, dst); + + tcg_temp_free_ptr(mask); + tcg_temp_free_ptr(src2); + tcg_temp_free(dst); + tcg_temp_free_i32(desc); + return true; + } + return false; +} diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 7157ad49ea..829a39a8fe 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4511,3 +4511,23 @@ GEN_VEXT_MASK_VV(vmor_mm, DO_OR) GEN_VEXT_MASK_VV(vmnor_mm, DO_NOR) GEN_VEXT_MASK_VV(vmornot_mm, DO_ORNOT) GEN_VEXT_MASK_VV(vmxnor_mm, DO_XNOR) + +/* Vector mask population count vmpopc */ +target_ulong HELPER(vmpopc_m)(void *v0, void *vs2, CPURISCVState *env, + uint32_t desc) +{ + target_ulong cnt = 0; + uint32_t mlen = vext_mlen(desc); + uint32_t vm = vext_vm(desc); + uint32_t vl = env->vl; + int i; + + for (i = 0; i < vl; i++) { + if (vm || vext_elem_mask(v0, mlen, i)) { + if (vext_elem_mask(vs2, mlen, i)) { + cnt++; + } + } + } + return cnt; +}