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(UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C365C2333C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-sky.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57122 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jmWUJ-0007Sb-10 for qemu-devel@archiver.kernel.org; Sat, 20 Jun 2020 01:56:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52948) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jmWTh-0006vf-OV; Sat, 20 Jun 2020 01:55:45 -0400 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]:46463) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jmWTd-0001sL-OG; Sat, 20 Jun 2020 01:55:45 -0400 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07436282|-1; CH=blue; DM=|OVERLOAD|false|; DS=CONTINUE|ham_regular_dialog|0.0396159-8.99278e-05-0.960294; FP=0|0|0|0|0|-1|-1|-1; HT=e02c03306; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=9; RT=8; SR=0; TI=SMTPD_---.HpYRwGH_1592632536; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.HpYRwGH_1592632536) by smtp.aliyun-inc.com(10.147.42.197); Sat, 20 Jun 2020 13:55:36 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v10 39/61] target/riscv: vector floating-point compare instructions Date: Sat, 20 Jun 2020 12:36:39 +0800 Message-Id: <20200620043701.1323-40-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200620043701.1323-1-zhiwei_liu@c-sky.com> References: <20200620043701.1323-1-zhiwei_liu@c-sky.com> MIME-Version: 1.0 Received-SPF: none client-ip=121.197.200.217; envelope-from=zhiwei_liu@c-sky.com; helo=smtp2200-217.mail.aliyun.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/19 21:09:48 X-ACL-Warn: Detected OS = Linux 3.x [generic] [fuzzy] 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=_AUTOLEARN 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, wxy194768@alibaba-inc.com, wenmeng_zhang@c-sky.com, Alistair Francis , palmer@dabbelt.com, LIU Zhiwei Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis Reviewed-by: Richard Henderson --- target/riscv/helper.h | 37 +++++ target/riscv/insn32.decode | 12 ++ target/riscv/insn_trans/trans_rvv.inc.c | 35 +++++ target/riscv/vector_helper.c | 174 ++++++++++++++++++++++++ 4 files changed, 258 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index eea4c59820..0e8d241831 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -959,3 +959,40 @@ DEF_HELPER_6(vfsgnjn_vf_d, void, ptr, ptr, i64, ptr, env, i32) DEF_HELPER_6(vfsgnjx_vf_h, void, ptr, ptr, i64, ptr, env, i32) DEF_HELPER_6(vfsgnjx_vf_w, void, ptr, ptr, i64, ptr, env, i32) DEF_HELPER_6(vfsgnjx_vf_d, void, ptr, ptr, i64, ptr, env, i32) + +DEF_HELPER_6(vmfeq_vv_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmfeq_vv_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmfeq_vv_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmfne_vv_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmfne_vv_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmfne_vv_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmflt_vv_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmflt_vv_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmflt_vv_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmfle_vv_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmfle_vv_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmfle_vv_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmfeq_vf_h, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfeq_vf_w, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfeq_vf_d, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfne_vf_h, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfne_vf_w, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfne_vf_d, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmflt_vf_h, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmflt_vf_w, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmflt_vf_d, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfle_vf_h, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfle_vf_w, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfle_vf_d, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfgt_vf_h, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfgt_vf_w, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfgt_vf_d, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfge_vf_h, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfge_vf_w, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmfge_vf_d, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmford_vv_h, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmford_vv_w, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmford_vv_d, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vmford_vf_h, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmford_vf_w, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vmford_vf_d, void, ptr, ptr, i64, ptr, env, i32) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 0e173e9b71..59fb1a2425 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -502,6 +502,18 @@ vfsgnjn_vv 001001 . ..... ..... 001 ..... 1010111 @r_vm vfsgnjn_vf 001001 . ..... ..... 101 ..... 1010111 @r_vm vfsgnjx_vv 001010 . ..... ..... 001 ..... 1010111 @r_vm vfsgnjx_vf 001010 . ..... ..... 101 ..... 1010111 @r_vm +vmfeq_vv 011000 . ..... ..... 001 ..... 1010111 @r_vm +vmfeq_vf 011000 . ..... ..... 101 ..... 1010111 @r_vm +vmfne_vv 011100 . ..... ..... 001 ..... 1010111 @r_vm +vmfne_vf 011100 . ..... ..... 101 ..... 1010111 @r_vm +vmflt_vv 011011 . ..... ..... 001 ..... 1010111 @r_vm +vmflt_vf 011011 . ..... ..... 101 ..... 1010111 @r_vm +vmfle_vv 011001 . ..... ..... 001 ..... 1010111 @r_vm +vmfle_vf 011001 . ..... ..... 101 ..... 1010111 @r_vm +vmfgt_vf 011101 . ..... ..... 101 ..... 1010111 @r_vm +vmfge_vf 011111 . ..... ..... 101 ..... 1010111 @r_vm +vmford_vv 011010 . ..... ..... 001 ..... 1010111 @r_vm +vmford_vf 011010 . ..... ..... 101 ..... 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 6170fce05d..11473b8f72 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -2146,3 +2146,38 @@ GEN_OPFVV_TRANS(vfsgnjx_vv, opfvv_check) GEN_OPFVF_TRANS(vfsgnj_vf, opfvf_check) GEN_OPFVF_TRANS(vfsgnjn_vf, opfvf_check) GEN_OPFVF_TRANS(vfsgnjx_vf, opfvf_check) + +/* Vector Floating-Point Compare Instructions */ +static bool opfvv_cmp_check(DisasContext *s, arg_rmrr *a) +{ + return (vext_check_isa_ill(s) && + vext_check_reg(s, a->rs2, false) && + vext_check_reg(s, a->rs1, false) && + (s->sew != 0) && + ((vext_check_overlap_group(a->rd, 1, a->rs1, 1 << s->lmul) && + vext_check_overlap_group(a->rd, 1, a->rs2, 1 << s->lmul)) || + (s->lmul == 0))); +} + +GEN_OPFVV_TRANS(vmfeq_vv, opfvv_cmp_check) +GEN_OPFVV_TRANS(vmfne_vv, opfvv_cmp_check) +GEN_OPFVV_TRANS(vmflt_vv, opfvv_cmp_check) +GEN_OPFVV_TRANS(vmfle_vv, opfvv_cmp_check) +GEN_OPFVV_TRANS(vmford_vv, opfvv_cmp_check) + +static bool opfvf_cmp_check(DisasContext *s, arg_rmrr *a) +{ + return (vext_check_isa_ill(s) && + vext_check_reg(s, a->rs2, false) && + (s->sew != 0) && + (vext_check_overlap_group(a->rd, 1, a->rs2, 1 << s->lmul) || + (s->lmul == 0))); +} + +GEN_OPFVF_TRANS(vmfeq_vf, opfvf_cmp_check) +GEN_OPFVF_TRANS(vmfne_vf, opfvf_cmp_check) +GEN_OPFVF_TRANS(vmflt_vf, opfvf_cmp_check) +GEN_OPFVF_TRANS(vmfle_vf, opfvf_cmp_check) +GEN_OPFVF_TRANS(vmfgt_vf, opfvf_cmp_check) +GEN_OPFVF_TRANS(vmfge_vf, opfvf_cmp_check) +GEN_OPFVF_TRANS(vmford_vf, opfvf_cmp_check) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 7a1c5311bb..f4264c51b5 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -3929,3 +3929,177 @@ RVVCALL(OPFVF2, vfsgnjx_vf_d, OP_UUU_D, H8, H8, fsgnjx64) GEN_VEXT_VF(vfsgnjx_vf_h, 2, 2, clearh) GEN_VEXT_VF(vfsgnjx_vf_w, 4, 4, clearl) GEN_VEXT_VF(vfsgnjx_vf_d, 8, 8, clearq) + +/* Vector Floating-Point Compare Instructions */ +#define GEN_VEXT_CMP_VV_ENV(NAME, ETYPE, H, DO_OP) \ +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 vlmax = vext_maxsz(desc) / sizeof(ETYPE); \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + ETYPE s1 = *((ETYPE *)vs1 + H(i)); \ + ETYPE s2 = *((ETYPE *)vs2 + H(i)); \ + if (!vm && !vext_elem_mask(v0, mlen, i)) { \ + continue; \ + } \ + vext_set_elem_mask(vd, mlen, i, \ + DO_OP(s2, s1, &env->fp_status)); \ + } \ + for (; i < vlmax; i++) { \ + vext_set_elem_mask(vd, mlen, i, 0); \ + } \ +} + +static bool float16_eq_quiet(uint16_t a, uint16_t b, float_status *s) +{ + FloatRelation compare = float16_compare_quiet(a, b, s); + return compare == float_relation_equal; +} + +GEN_VEXT_CMP_VV_ENV(vmfeq_vv_h, uint16_t, H2, float16_eq_quiet) +GEN_VEXT_CMP_VV_ENV(vmfeq_vv_w, uint32_t, H4, float32_eq_quiet) +GEN_VEXT_CMP_VV_ENV(vmfeq_vv_d, uint64_t, H8, float64_eq_quiet) + +#define GEN_VEXT_CMP_VF(NAME, ETYPE, H, DO_OP) \ +void HELPER(NAME)(void *vd, void *v0, uint64_t s1, 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 vlmax = vext_maxsz(desc) / sizeof(ETYPE); \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + ETYPE s2 = *((ETYPE *)vs2 + H(i)); \ + if (!vm && !vext_elem_mask(v0, mlen, i)) { \ + continue; \ + } \ + vext_set_elem_mask(vd, mlen, i, \ + DO_OP(s2, (ETYPE)s1, &env->fp_status)); \ + } \ + for (; i < vlmax; i++) { \ + vext_set_elem_mask(vd, mlen, i, 0); \ + } \ +} + +GEN_VEXT_CMP_VF(vmfeq_vf_h, uint16_t, H2, float16_eq_quiet) +GEN_VEXT_CMP_VF(vmfeq_vf_w, uint32_t, H4, float32_eq_quiet) +GEN_VEXT_CMP_VF(vmfeq_vf_d, uint64_t, H8, float64_eq_quiet) + +static bool vmfne16(uint16_t a, uint16_t b, float_status *s) +{ + FloatRelation compare = float16_compare_quiet(a, b, s); + return compare != float_relation_equal; +} + +static bool vmfne32(uint32_t a, uint32_t b, float_status *s) +{ + FloatRelation compare = float32_compare_quiet(a, b, s); + return compare != float_relation_equal; +} + +static bool vmfne64(uint64_t a, uint64_t b, float_status *s) +{ + FloatRelation compare = float64_compare_quiet(a, b, s); + return compare != float_relation_equal; +} + +GEN_VEXT_CMP_VV_ENV(vmfne_vv_h, uint16_t, H2, vmfne16) +GEN_VEXT_CMP_VV_ENV(vmfne_vv_w, uint32_t, H4, vmfne32) +GEN_VEXT_CMP_VV_ENV(vmfne_vv_d, uint64_t, H8, vmfne64) +GEN_VEXT_CMP_VF(vmfne_vf_h, uint16_t, H2, vmfne16) +GEN_VEXT_CMP_VF(vmfne_vf_w, uint32_t, H4, vmfne32) +GEN_VEXT_CMP_VF(vmfne_vf_d, uint64_t, H8, vmfne64) + +static bool float16_lt(uint16_t a, uint16_t b, float_status *s) +{ + FloatRelation compare = float16_compare(a, b, s); + return compare == float_relation_less; +} + +GEN_VEXT_CMP_VV_ENV(vmflt_vv_h, uint16_t, H2, float16_lt) +GEN_VEXT_CMP_VV_ENV(vmflt_vv_w, uint32_t, H4, float32_lt) +GEN_VEXT_CMP_VV_ENV(vmflt_vv_d, uint64_t, H8, float64_lt) +GEN_VEXT_CMP_VF(vmflt_vf_h, uint16_t, H2, float16_lt) +GEN_VEXT_CMP_VF(vmflt_vf_w, uint32_t, H4, float32_lt) +GEN_VEXT_CMP_VF(vmflt_vf_d, uint64_t, H8, float64_lt) + +static bool float16_le(uint16_t a, uint16_t b, float_status *s) +{ + FloatRelation compare = float16_compare(a, b, s); + return compare == float_relation_less || + compare == float_relation_equal; +} + +GEN_VEXT_CMP_VV_ENV(vmfle_vv_h, uint16_t, H2, float16_le) +GEN_VEXT_CMP_VV_ENV(vmfle_vv_w, uint32_t, H4, float32_le) +GEN_VEXT_CMP_VV_ENV(vmfle_vv_d, uint64_t, H8, float64_le) +GEN_VEXT_CMP_VF(vmfle_vf_h, uint16_t, H2, float16_le) +GEN_VEXT_CMP_VF(vmfle_vf_w, uint32_t, H4, float32_le) +GEN_VEXT_CMP_VF(vmfle_vf_d, uint64_t, H8, float64_le) + +static bool vmfgt16(uint16_t a, uint16_t b, float_status *s) +{ + FloatRelation compare = float16_compare(a, b, s); + return compare == float_relation_greater; +} + +static bool vmfgt32(uint32_t a, uint32_t b, float_status *s) +{ + FloatRelation compare = float32_compare(a, b, s); + return compare == float_relation_greater; +} + +static bool vmfgt64(uint64_t a, uint64_t b, float_status *s) +{ + FloatRelation compare = float64_compare(a, b, s); + return compare == float_relation_greater; +} + +GEN_VEXT_CMP_VF(vmfgt_vf_h, uint16_t, H2, vmfgt16) +GEN_VEXT_CMP_VF(vmfgt_vf_w, uint32_t, H4, vmfgt32) +GEN_VEXT_CMP_VF(vmfgt_vf_d, uint64_t, H8, vmfgt64) + +static bool vmfge16(uint16_t a, uint16_t b, float_status *s) +{ + FloatRelation compare = float16_compare(a, b, s); + return compare == float_relation_greater || + compare == float_relation_equal; +} + +static bool vmfge32(uint32_t a, uint32_t b, float_status *s) +{ + FloatRelation compare = float32_compare(a, b, s); + return compare == float_relation_greater || + compare == float_relation_equal; +} + +static bool vmfge64(uint64_t a, uint64_t b, float_status *s) +{ + FloatRelation compare = float64_compare(a, b, s); + return compare == float_relation_greater || + compare == float_relation_equal; +} + +GEN_VEXT_CMP_VF(vmfge_vf_h, uint16_t, H2, vmfge16) +GEN_VEXT_CMP_VF(vmfge_vf_w, uint32_t, H4, vmfge32) +GEN_VEXT_CMP_VF(vmfge_vf_d, uint64_t, H8, vmfge64) + +static bool float16_unordered_quiet(uint16_t a, uint16_t b, float_status *s) +{ + FloatRelation compare = float16_compare_quiet(a, b, s); + return compare == float_relation_unordered; +} + +GEN_VEXT_CMP_VV_ENV(vmford_vv_h, uint16_t, H2, !float16_unordered_quiet) +GEN_VEXT_CMP_VV_ENV(vmford_vv_w, uint32_t, H4, !float32_unordered_quiet) +GEN_VEXT_CMP_VV_ENV(vmford_vv_d, uint64_t, H8, !float64_unordered_quiet) +GEN_VEXT_CMP_VF(vmford_vf_h, uint16_t, H2, !float16_unordered_quiet) +GEN_VEXT_CMP_VF(vmford_vf_w, uint32_t, H4, !float32_unordered_quiet) +GEN_VEXT_CMP_VF(vmford_vf_d, uint64_t, H8, !float64_unordered_quiet)