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Tue, 13 Aug 2024 19:38:12 +0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1723549093; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=4caXpcnBVCZB2n4y1+rDuHT9XRwbTsjdRnqhWeySDsU=; b=oTlYcbzDCP287wd7SF+jMqh7QyJZDEyPYp1zcVixNcLp2erqi1MlXJF7AhdHUrnsEfetfC3XZRLlu0JGoiX4nm08QvglbSwdzhAEgagT1kGlRuGzoSHRb0kEUAVdm/k06wMNZOpft6ScpK8aDSgHH3sBHti5koowQ6Sc7tN4RrI= From: LIU Zhiwei To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com, alistair.francis@wdc.com, dbarboza@ventanamicro.com, liwei1518@gmail.com, bmeng.cn@gmail.com, zhiwei_liu@linux.alibaba.com, richard.henderson@linaro.org, TANG Tiancheng Subject: [PATCH v1 06/15] tcg/riscv: Implement vector load/store Date: Tue, 13 Aug 2024 19:34:27 +0800 Message-Id: <20240813113436.831-7-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20240813113436.831-1-zhiwei_liu@linux.alibaba.com> References: <20240813113436.831-1-zhiwei_liu@linux.alibaba.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" From: TANG Tiancheng Signed-off-by: TANG Tiancheng Reviewed-by: Liu Zhiwei --- tcg/riscv/tcg-target-con-set.h | 2 + tcg/riscv/tcg-target.c.inc | 92 ++++++++++++++++++++++++++++++++-- 2 files changed, 91 insertions(+), 3 deletions(-) diff --git a/tcg/riscv/tcg-target-con-set.h b/tcg/riscv/tcg-target-con-set.h index aac5ceee2b..d73a62b0f2 100644 --- a/tcg/riscv/tcg-target-con-set.h +++ b/tcg/riscv/tcg-target-con-set.h @@ -21,3 +21,5 @@ C_O1_I2(r, rZ, rZ) C_N1_I2(r, r, rM) C_O1_I4(r, r, rI, rM, rM) C_O2_I4(r, r, rZ, rZ, rM, rM) +C_O0_I2(v, r) +C_O1_I1(v, r) diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc index d17f523187..f17d679d71 100644 --- a/tcg/riscv/tcg-target.c.inc +++ b/tcg/riscv/tcg-target.c.inc @@ -279,6 +279,15 @@ typedef enum { OPC_VSETVLI =3D 0x57 | V_OPCFG, OPC_VSETIVLI =3D 0xc0000057 | V_OPCFG, OPC_VSETVL =3D 0x80000057 | V_OPCFG, + + OPC_VLE8_V =3D 0x7 | V_LUMOP, + OPC_VLE16_V =3D 0x5007 | V_LUMOP, + OPC_VLE32_V =3D 0x6007 | V_LUMOP, + OPC_VLE64_V =3D 0x7007 | V_LUMOP, + OPC_VSE8_V =3D 0x27 | V_SUMOP, + OPC_VSE16_V =3D 0x5027 | V_SUMOP, + OPC_VSE32_V =3D 0x6027 | V_SUMOP, + OPC_VSE64_V =3D 0x7027 | V_SUMOP, } RISCVInsn; =20 /* @@ -810,6 +819,13 @@ static void tcg_out_ldst(TCGContext *s, RISCVInsn opc,= TCGReg data, case OPC_SD: tcg_out_opc_store(s, opc, addr, data, imm12); break; + case OPC_VSE8_V: + case OPC_VSE16_V: + case OPC_VSE32_V: + case OPC_VSE64_V: + tcg_out_opc_imm(s, OPC_ADDI, TCG_REG_TMP0, addr, imm12); + tcg_out_opc_ldst_vec(s, opc, data, TCG_REG_TMP0, true); + break; case OPC_LB: case OPC_LBU: case OPC_LH: @@ -819,6 +835,13 @@ static void tcg_out_ldst(TCGContext *s, RISCVInsn opc,= TCGReg data, case OPC_LD: tcg_out_opc_imm(s, opc, data, addr, imm12); break; + case OPC_VLE8_V: + case OPC_VLE16_V: + case OPC_VLE32_V: + case OPC_VLE64_V: + tcg_out_opc_imm(s, OPC_ADDI, TCG_REG_TMP0, addr, imm12); + tcg_out_opc_ldst_vec(s, opc, data, TCG_REG_TMP0, true); + break; default: g_assert_not_reached(); } @@ -827,14 +850,59 @@ static void tcg_out_ldst(TCGContext *s, RISCVInsn opc= , TCGReg data, static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg arg, TCGReg arg1, intptr_t arg2) { - RISCVInsn insn =3D type =3D=3D TCG_TYPE_I32 ? OPC_LW : OPC_LD; + RISCVInsn insn; + + if (type < TCG_TYPE_V64) { + insn =3D type =3D=3D TCG_TYPE_I32 ? OPC_LW : OPC_LD; + } else { + tcg_debug_assert(arg >=3D TCG_REG_V1); + switch (prev_vece) { + case MO_8: + insn =3D OPC_VLE8_V; + break; + case MO_16: + insn =3D OPC_VLE16_V; + break; + case MO_32: + insn =3D OPC_VLE32_V; + break; + case MO_64: + insn =3D OPC_VLE64_V; + break; + default: + g_assert_not_reached(); + } + } tcg_out_ldst(s, insn, arg, arg1, arg2); } =20 static void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, TCGReg arg1, intptr_t arg2) { - RISCVInsn insn =3D type =3D=3D TCG_TYPE_I32 ? OPC_SW : OPC_SD; + RISCVInsn insn; + + if (type < TCG_TYPE_V64) { + insn =3D type =3D=3D TCG_TYPE_I32 ? OPC_SW : OPC_SD; + tcg_out_ldst(s, insn, arg, arg1, arg2); + } else { + tcg_debug_assert(arg >=3D TCG_REG_V1); + switch (prev_vece) { + case MO_8: + insn =3D OPC_VSE8_V; + break; + case MO_16: + insn =3D OPC_VSE16_V; + break; + case MO_32: + insn =3D OPC_VSE32_V; + break; + case MO_64: + insn =3D OPC_VSE64_V; + break; + default: + g_assert_not_reached(); + } + } tcg_out_ldst(s, insn, arg, arg1, arg2); } =20 @@ -2030,11 +2098,25 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode= opc, const int const_args[TCG_MAX_OP_ARGS]) { TCGType type =3D vecl + TCG_TYPE_V64; + TCGArg a0, a1, a2; + + a0 =3D args[0]; + a1 =3D args[1]; + a2 =3D args[2]; =20 - if (vec_vtpye_init) { + if (!vec_vtpye_init && + (opc =3D=3D INDEX_op_ld_vec || opc =3D=3D INDEX_op_st_vec)) { + tcg_target_set_vec_config(s, type, prev_vece); + } else { tcg_target_set_vec_config(s, type, vece); } switch (opc) { + case INDEX_op_ld_vec: + tcg_out_ld(s, type, a0, a1, a2); + break; + case INDEX_op_st_vec: + tcg_out_st(s, type, a0, a1, a2); + break; case INDEX_op_mov_vec: /* Always emitted via tcg_out_mov. */ case INDEX_op_dup_vec: /* Always emitted via tcg_out_dup_vec. */ default: @@ -2198,6 +2280,10 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOp= code op) case INDEX_op_qemu_st_a64_i64: return C_O0_I2(rZ, r); =20 + case INDEX_op_st_vec: + return C_O0_I2(v, r); + case INDEX_op_ld_vec: + return C_O1_I1(v, r); default: g_assert_not_reached(); } --=20 2.43.0