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([::1]:36932 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jEFU5-0006A0-Dm for patchwork-qemu-devel@patchwork.kernel.org; Tue, 17 Mar 2020 12:54:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37737) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jEFE4-00070p-TI for qemu-devel@nongnu.org; Tue, 17 Mar 2020 12:37:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jEFE3-0005sW-30 for qemu-devel@nongnu.org; Tue, 17 Mar 2020 12:37:56 -0400 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]:50016) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jEFE2-0004Ko-He; Tue, 17 Mar 2020 12:37:55 -0400 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07554673|-1; CH=blue; DM=||false|; DS=CONTINUE|ham_system_inform|0.136839-8.07347e-05-0.86308; FP=0|0|0|0|0|-1|-1|-1; HT=e02c03267; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=10; RT=10; SR=0; TI=SMTPD_---.H1.Akik_1584463057; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.H1.Akik_1584463057) by smtp.aliyun-inc.com(10.147.41.158); Wed, 18 Mar 2020 00:37:38 +0800 From: LIU Zhiwei To: richard.henderson@linaro.org, alistair23@gmail.com, chihmin.chao@sifive.com, palmer@dabbelt.com Subject: [PATCH v6 45/61] target/riscv: vector single-width integer reduction instructions Date: Tue, 17 Mar 2020 23:06:37 +0800 Message-Id: <20200317150653.9008-46-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 | 33 +++++++++++ target/riscv/insn32.decode | 8 +++ target/riscv/insn_trans/trans_rvv.inc.c | 17 ++++++ target/riscv/vector_helper.c | 77 +++++++++++++++++++++++++ 4 files changed, 135 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 72bf084d57..652b38f690 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1029,3 +1029,36 @@ DEF_HELPER_5(vfncvt_f_x_v_h, void, ptr, ptr, ptr, env, i32) DEF_HELPER_5(vfncvt_f_x_v_w, void, ptr, ptr, ptr, env, i32) DEF_HELPER_5(vfncvt_f_f_v_h, void, ptr, ptr, ptr, env, i32) DEF_HELPER_5(vfncvt_f_f_v_w, void, ptr, ptr, ptr, env, i32) + +DEF_HELPER_6(vredsum_vs_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredsum_vs_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredsum_vs_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredsum_vs_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredmaxu_vs_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredmaxu_vs_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredmaxu_vs_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredmaxu_vs_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredmax_vs_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredmax_vs_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredmax_vs_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredmax_vs_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredminu_vs_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredminu_vs_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredminu_vs_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredminu_vs_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredmin_vs_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredmin_vs_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredmin_vs_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredmin_vs_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredand_vs_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredand_vs_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredand_vs_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredand_vs_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredor_vs_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredor_vs_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredor_vs_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredor_vs_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredxor_vs_b, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredxor_vs_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredxor_vs_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vredxor_vs_d, void, ptr, ptr, ptr, ptr, env, i32) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 57ac4de1c2..773b32f0b4 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -529,6 +529,14 @@ vfncvt_x_f_v 100010 . ..... 10001 001 ..... 1010111 @r2_vm vfncvt_f_xu_v 100010 . ..... 10010 001 ..... 1010111 @r2_vm vfncvt_f_x_v 100010 . ..... 10011 001 ..... 1010111 @r2_vm vfncvt_f_f_v 100010 . ..... 10100 001 ..... 1010111 @r2_vm +vredsum_vs 000000 . ..... ..... 010 ..... 1010111 @r_vm +vredand_vs 000001 . ..... ..... 010 ..... 1010111 @r_vm +vredor_vs 000010 . ..... ..... 010 ..... 1010111 @r_vm +vredxor_vs 000011 . ..... ..... 010 ..... 1010111 @r_vm +vredminu_vs 000100 . ..... ..... 010 ..... 1010111 @r_vm +vredmin_vs 000101 . ..... ..... 010 ..... 1010111 @r_vm +vredmaxu_vs 000110 . ..... ..... 010 ..... 1010111 @r_vm +vredmax_vs 000111 . ..... ..... 010 ..... 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 53984da94c..73feac4ddd 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -2160,3 +2160,20 @@ GEN_OPFV_NARROW_TRANS(vfncvt_x_f_v) GEN_OPFV_NARROW_TRANS(vfncvt_f_xu_v) GEN_OPFV_NARROW_TRANS(vfncvt_f_x_v) GEN_OPFV_NARROW_TRANS(vfncvt_f_f_v) + +/* + *** Vector Reduction Operations + */ +/* Vector Single-Width Integer Reduction Instructions */ +static bool reduction_check(DisasContext *s, arg_rmrr *a) +{ + return vext_check_isa_ill(s) && vext_check_reg(s, a->rs2, false); +} +GEN_OPIVV_TRANS(vredsum_vs, reduction_check) +GEN_OPIVV_TRANS(vredmaxu_vs, reduction_check) +GEN_OPIVV_TRANS(vredmax_vs, reduction_check) +GEN_OPIVV_TRANS(vredminu_vs, reduction_check) +GEN_OPIVV_TRANS(vredmin_vs, reduction_check) +GEN_OPIVV_TRANS(vredand_vs, reduction_check) +GEN_OPIVV_TRANS(vredor_vs, reduction_check) +GEN_OPIVV_TRANS(vredxor_vs, reduction_check) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index c34f334127..d539d82f97 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4290,3 +4290,80 @@ RVVCALL(OPFVV1, vfncvt_f_f_v_h, NOP_UU_H, H2, H4, vfncvtffv16) RVVCALL(OPFVV1, vfncvt_f_f_v_w, NOP_UU_W, H4, H8, float64_to_float32) GEN_VEXT_V_ENV(vfncvt_f_f_v_h, 2, 2, clearh) GEN_VEXT_V_ENV(vfncvt_f_f_v_w, 4, 4, clearl) + +/* + *** Vector Reduction Operations + */ +/* Vector Single-Width Integer Reduction Instructions */ +#define GEN_VEXT_RED(NAME, TD, TS2, HD, HS2, OP, CLEAR_FN)\ +void HELPER(NAME)(void *vd, void *v0, void *vs1, \ + void *vs2, CPURISCVState *env, uint32_t desc) \ +{ \ + uint32_t mlen = vext_mlen(desc); \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + uint32_t i; \ + uint32_t tot = env_archcpu(env)->cfg.vlen / 8; \ + TD s1 = *((TD *)vs1 + HD(0)); \ + \ + if (vl == 0) { \ + return; \ + } \ + for (i = 0; i < vl; i++) { \ + TS2 s2 = *((TS2 *)vs2 + HS2(i)); \ + if (!vm && !vext_elem_mask(v0, mlen, i)) { \ + continue; \ + } \ + s1 = OP(s1, (TD)s2); \ + } \ + *((TD *)vd + HD(0)) = s1; \ + CLEAR_FN(vd, 1, sizeof(TD), tot); \ +} + +/* vd[0] = sum(vs1[0], vs2[*]) */ +GEN_VEXT_RED(vredsum_vs_b, int8_t, int8_t, H1, H1, DO_ADD, clearb) +GEN_VEXT_RED(vredsum_vs_h, int16_t, int16_t, H2, H2, DO_ADD, clearh) +GEN_VEXT_RED(vredsum_vs_w, int32_t, int32_t, H4, H4, DO_ADD, clearl) +GEN_VEXT_RED(vredsum_vs_d, int64_t, int64_t, H8, H8, DO_ADD, clearq) + +/* vd[0] = maxu(vs1[0], vs2[*]) */ +GEN_VEXT_RED(vredmaxu_vs_b, uint8_t, uint8_t, H1, H1, DO_MAX, clearb) +GEN_VEXT_RED(vredmaxu_vs_h, uint16_t, uint16_t, H2, H2, DO_MAX, clearh) +GEN_VEXT_RED(vredmaxu_vs_w, uint32_t, uint32_t, H4, H4, DO_MAX, clearl) +GEN_VEXT_RED(vredmaxu_vs_d, uint64_t, uint64_t, H8, H8, DO_MAX, clearq) + +/* vd[0] = max(vs1[0], vs2[*]) */ +GEN_VEXT_RED(vredmax_vs_b, int8_t, int8_t, H1, H1, DO_MAX, clearb) +GEN_VEXT_RED(vredmax_vs_h, int16_t, int16_t, H2, H2, DO_MAX, clearh) +GEN_VEXT_RED(vredmax_vs_w, int32_t, int32_t, H4, H4, DO_MAX, clearl) +GEN_VEXT_RED(vredmax_vs_d, int64_t, int64_t, H8, H8, DO_MAX, clearq) + +/* vd[0] = minu(vs1[0], vs2[*]) */ +GEN_VEXT_RED(vredminu_vs_b, uint8_t, uint8_t, H1, H1, DO_MIN, clearb) +GEN_VEXT_RED(vredminu_vs_h, uint16_t, uint16_t, H2, H2, DO_MIN, clearh) +GEN_VEXT_RED(vredminu_vs_w, uint32_t, uint32_t, H4, H4, DO_MIN, clearl) +GEN_VEXT_RED(vredminu_vs_d, uint64_t, uint64_t, H8, H8, DO_MIN, clearq) + +/* vd[0] = min(vs1[0], vs2[*]) */ +GEN_VEXT_RED(vredmin_vs_b, int8_t, int8_t, H1, H1, DO_MIN, clearb) +GEN_VEXT_RED(vredmin_vs_h, int16_t, int16_t, H2, H2, DO_MIN, clearh) +GEN_VEXT_RED(vredmin_vs_w, int32_t, int32_t, H4, H4, DO_MIN, clearl) +GEN_VEXT_RED(vredmin_vs_d, int64_t, int64_t, H8, H8, DO_MIN, clearq) + +/* vd[0] = and(vs1[0], vs2[*]) */ +GEN_VEXT_RED(vredand_vs_b, int8_t, int8_t, H1, H1, DO_AND, clearb) +GEN_VEXT_RED(vredand_vs_h, int16_t, int16_t, H2, H2, DO_AND, clearh) +GEN_VEXT_RED(vredand_vs_w, int32_t, int32_t, H4, H4, DO_AND, clearl) +GEN_VEXT_RED(vredand_vs_d, int64_t, int64_t, H8, H8, DO_AND, clearq) + +/* vd[0] = or(vs1[0], vs2[*]) */ +GEN_VEXT_RED(vredor_vs_b, int8_t, int8_t, H1, H1, DO_OR, clearb) +GEN_VEXT_RED(vredor_vs_h, int16_t, int16_t, H2, H2, DO_OR, clearh) +GEN_VEXT_RED(vredor_vs_w, int32_t, int32_t, H4, H4, DO_OR, clearl) +GEN_VEXT_RED(vredor_vs_d, int64_t, int64_t, H8, H8, DO_OR, clearq) + +/* vd[0] = xor(vs1[0], vs2[*]) */ +GEN_VEXT_RED(vredxor_vs_b, int8_t, int8_t, H1, H1, DO_XOR, clearb) +GEN_VEXT_RED(vredxor_vs_h, int16_t, int16_t, H2, H2, DO_XOR, clearh) +GEN_VEXT_RED(vredxor_vs_w, int32_t, int32_t, H4, H4, DO_XOR, clearl) +GEN_VEXT_RED(vredxor_vs_d, int64_t, int64_t, H8, H8, DO_XOR, clearq)