riscv/riscv_zvt.isa

// Copyright 2026 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Zvtbase matrix configuration instructions (spec 15.1.1.4).
slot riscv_zvt {
  includes {
    #include "riscv/riscv_zvt_instructions.h"
  }
  default size = 4;
  opcodes {
    msetmtype{: rs1, rs2 : },
      disasm: "msetmtype", "%rs1, %rs2",
      semfunc: "&::mpact::sim::riscv::RiscVZvtMsetMtype";
    msettn{: rs1 : rd},
      disasm: "msettn", "%rd, %rs1",
      semfunc: "&::mpact::sim::riscv::RiscVZvtMsetTn";
    msettm{: rs1 : rd},
      disasm: "msettm", "%rd, %rs1",
      semfunc: "&::mpact::sim::riscv::RiscVZvtMsetTm";
    msettk{: rs1 : rd},
      disasm: "msettk", "%rd, %rs1",
      semfunc: "&::mpact::sim::riscv::RiscVZvtMsetTk";

    // Tile manipulation.
    vtzero{: mtd : },
      disasm: "vtzero", "%mtd",
      semfunc: "&::mpact::sim::riscv::RiscVZvtVtZero";
    vtdiscard{: : },
      disasm: "vtdiscard",
      semfunc: "&::mpact::sim::riscv::RiscVZvtVtDiscard";
    vtmv_v_t{: rs1 : matVd},
      disasm: "vtmv.v.t", "%matVd, %rs1",
      semfunc: "&::mpact::sim::riscv::RiscVZvtVtmvVt";
    vtmv_t_v{: matA, rs1 : },
      disasm: "vtmv.t.v", "%rs1, %matA",
      semfunc: "&::mpact::sim::riscv::RiscVZvtVtmvTv";

    // Tile load/store to memory (EEW statically encoded).
    vtle8{: rs1, rs2 : },
      disasm: "vtle8", "%rs2, (%rs1)",
      semfunc: "absl::bind_front(&::mpact::sim::riscv::RiscVZvtVtle, 8)";
    vtle16{: rs1, rs2 : },
      disasm: "vtle16", "%rs2, (%rs1)",
      semfunc: "absl::bind_front(&::mpact::sim::riscv::RiscVZvtVtle, 16)";
    vtle32{: rs1, rs2 : },
      disasm: "vtle32", "%rs2, (%rs1)",
      semfunc: "absl::bind_front(&::mpact::sim::riscv::RiscVZvtVtle, 32)";
    vtle64{: rs1, rs2 : },
      disasm: "vtle64", "%rs2, (%rs1)",
      semfunc: "absl::bind_front(&::mpact::sim::riscv::RiscVZvtVtle, 64)";
    vtse8{: rs1, rs2 : },
      disasm: "vtse8", "%rs2, (%rs1)",
      semfunc: "absl::bind_front(&::mpact::sim::riscv::RiscVZvtVtse, 8)";
    vtse16{: rs1, rs2 : },
      disasm: "vtse16", "%rs2, (%rs1)",
      semfunc: "absl::bind_front(&::mpact::sim::riscv::RiscVZvtVtse, 16)";
    vtse32{: rs1, rs2 : },
      disasm: "vtse32", "%rs2, (%rs1)",
      semfunc: "absl::bind_front(&::mpact::sim::riscv::RiscVZvtVtse, 32)";
    vtse64{: rs1, rs2 : },
      disasm: "vtse64", "%rs2, (%rs1)",
      semfunc: "absl::bind_front(&::mpact::sim::riscv::RiscVZvtVtse, 64)";

    // Matrix multiply: C += A^T * B.
    vtmms_tvv{: matA, matB, mtd : },
      disasm: "vtmms.tvv", "%mtd, %matA, %matB",
      semfunc: "absl::bind_front(&::mpact::sim::riscv::RiscVZvtMatmul, ::mpact::sim::riscv::RiscVZvtMatmulKind::kInt8Signed)";
    vtmmu_tvv{: matA, matB, mtd : },
      disasm: "vtmmu.tvv", "%mtd, %matA, %matB",
      semfunc: "absl::bind_front(&::mpact::sim::riscv::RiscVZvtMatmul, ::mpact::sim::riscv::RiscVZvtMatmulKind::kInt8Unsigned)";
    vtfmm_tvv{: matA, matB, mtd : fflags},
      disasm: "vtfmm.tvv", "%mtd, %matA, %matB",
      semfunc: "absl::bind_front(&::mpact::sim::riscv::RiscVZvtMatmul, ::mpact::sim::riscv::RiscVZvtMatmulKind::kFp32)";
    vtfmm_alt_tvv{: matA, matB, mtd : fflags},
      disasm: "vtfmm.alt.tvv", "%mtd, %matA, %matB",
      semfunc: "absl::bind_front(&::mpact::sim::riscv::RiscVZvtMatmul, ::mpact::sim::riscv::RiscVZvtMatmulKind::kBf16)";
  }
}