tests/cocotb/rvv/load_store/load32_index32_seg.cc

// Copyright 2025 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
//
//     http://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.

#include <riscv_vector.h>
#include <stdint.h>

namespace {
constexpr size_t lut_size = 7000;
// Double sized so we can check trailing regions are not read/written.
constexpr size_t buf_size = 64;
}  // namespace

size_t vl __attribute__((section(".data"))) = 4;
// Indices are always unsigned.
uint32_t index_buf[buf_size] __attribute__((section(".data")));
// These instructions don't differentiate signed/unsigned so we only need to
// test one. The types come from intrinsic level.
uint32_t in_buf[lut_size] __attribute__((section(".data")));
uint32_t out_buf[buf_size] __attribute__((section(".data")));

extern "C" {
// Unordered, segment 2
__attribute__((used, retain)) void vluxseg2ei32_v_u32m1x2() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vluxseg2ei32_v_u32m1x2(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x2_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x2_u32m1(data, 1),
                        vl);
}

__attribute__((used, retain)) void vluxseg2ei32_v_u32m2x2() {
  auto indices = __riscv_vle32_v_u32m2(index_buf, vl);
  auto data = __riscv_vluxseg2ei32_v_u32m2x2(in_buf, indices, vl);
  __riscv_vse32_v_u32m2(out_buf, __riscv_vget_v_u32m2x2_u32m2(data, 0), vl);
  __riscv_vse32_v_u32m2(out_buf + vl, __riscv_vget_v_u32m2x2_u32m2(data, 1),
                        vl);
}

__attribute__((used, retain)) void vluxseg2ei32_v_u32m4x2() {
  auto indices = __riscv_vle32_v_u32m4(index_buf, vl);
  auto data = __riscv_vluxseg2ei32_v_u32m4x2(in_buf, indices, vl);
  __riscv_vse32_v_u32m4(out_buf, __riscv_vget_v_u32m4x2_u32m4(data, 0), vl);
  __riscv_vse32_v_u32m4(out_buf + vl, __riscv_vget_v_u32m4x2_u32m4(data, 1),
                        vl);
}

// Unordered, segment 3
__attribute__((used, retain)) void vluxseg3ei32_v_u32m1x3() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vluxseg3ei32_v_u32m1x3(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x3_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x3_u32m1(data, 1),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 2, __riscv_vget_v_u32m1x3_u32m1(data, 2),
                        vl);
}

__attribute__((used, retain)) void vluxseg3ei32_v_u32m2x3() {
  auto indices = __riscv_vle32_v_u32m2(index_buf, vl);
  auto data = __riscv_vluxseg3ei32_v_u32m2x3(in_buf, indices, vl);
  __riscv_vse32_v_u32m2(out_buf, __riscv_vget_v_u32m2x3_u32m2(data, 0), vl);
  __riscv_vse32_v_u32m2(out_buf + vl, __riscv_vget_v_u32m2x3_u32m2(data, 1),
                        vl);
  __riscv_vse32_v_u32m2(out_buf + vl * 2, __riscv_vget_v_u32m2x3_u32m2(data, 2),
                        vl);
}

// Unordered, segment 4
__attribute__((used, retain)) void vluxseg4ei32_v_u32m1x4() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vluxseg4ei32_v_u32m1x4(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x4_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x4_u32m1(data, 1),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 2, __riscv_vget_v_u32m1x4_u32m1(data, 2),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 3, __riscv_vget_v_u32m1x4_u32m1(data, 3),
                        vl);
}

__attribute__((used, retain)) void vluxseg4ei32_v_u32m2x4() {
  auto indices = __riscv_vle32_v_u32m2(index_buf, vl);
  auto data = __riscv_vluxseg4ei32_v_u32m2x4(in_buf, indices, vl);
  __riscv_vse32_v_u32m2(out_buf, __riscv_vget_v_u32m2x4_u32m2(data, 0), vl);
  __riscv_vse32_v_u32m2(out_buf + vl, __riscv_vget_v_u32m2x4_u32m2(data, 1),
                        vl);
  __riscv_vse32_v_u32m2(out_buf + vl * 2, __riscv_vget_v_u32m2x4_u32m2(data, 2),
                        vl);
  __riscv_vse32_v_u32m2(out_buf + vl * 3, __riscv_vget_v_u32m2x4_u32m2(data, 3),
                        vl);
}

// Unordered, segment 5
__attribute__((used, retain)) void vluxseg5ei32_v_u32m1x5() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vluxseg5ei32_v_u32m1x5(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x5_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x5_u32m1(data, 1),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 2, __riscv_vget_v_u32m1x5_u32m1(data, 2),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 3, __riscv_vget_v_u32m1x5_u32m1(data, 3),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 4, __riscv_vget_v_u32m1x5_u32m1(data, 4),
                        vl);
}

// Unordered, segment 6
__attribute__((used, retain)) void vluxseg6ei32_v_u32m1x6() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vluxseg6ei32_v_u32m1x6(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x6_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x6_u32m1(data, 1),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 2, __riscv_vget_v_u32m1x6_u32m1(data, 2),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 3, __riscv_vget_v_u32m1x6_u32m1(data, 3),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 4, __riscv_vget_v_u32m1x6_u32m1(data, 4),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 5, __riscv_vget_v_u32m1x6_u32m1(data, 5),
                        vl);
}

// Unordered, segment 7
__attribute__((used, retain)) void vluxseg7ei32_v_u32m1x7() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vluxseg7ei32_v_u32m1x7(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x7_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x7_u32m1(data, 1),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 2, __riscv_vget_v_u32m1x7_u32m1(data, 2),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 3, __riscv_vget_v_u32m1x7_u32m1(data, 3),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 4, __riscv_vget_v_u32m1x7_u32m1(data, 4),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 5, __riscv_vget_v_u32m1x7_u32m1(data, 5),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 6, __riscv_vget_v_u32m1x7_u32m1(data, 6),
                        vl);
}

// Unordered, segment 8
__attribute__((used, retain)) void vluxseg8ei32_v_u32m1x8() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vluxseg8ei32_v_u32m1x8(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x8_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x8_u32m1(data, 1),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 2, __riscv_vget_v_u32m1x8_u32m1(data, 2),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 3, __riscv_vget_v_u32m1x8_u32m1(data, 3),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 4, __riscv_vget_v_u32m1x8_u32m1(data, 4),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 5, __riscv_vget_v_u32m1x8_u32m1(data, 5),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 6, __riscv_vget_v_u32m1x8_u32m1(data, 6),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 7, __riscv_vget_v_u32m1x8_u32m1(data, 7),
                        vl);
}

// Ordered, segment 2
__attribute__((used, retain)) void vloxseg2ei32_v_u32m1x2() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vloxseg2ei32_v_u32m1x2(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x2_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x2_u32m1(data, 1),
                        vl);
}

__attribute__((used, retain)) void vloxseg2ei32_v_u32m2x2() {
  auto indices = __riscv_vle32_v_u32m2(index_buf, vl);
  auto data = __riscv_vloxseg2ei32_v_u32m2x2(in_buf, indices, vl);
  __riscv_vse32_v_u32m2(out_buf, __riscv_vget_v_u32m2x2_u32m2(data, 0), vl);
  __riscv_vse32_v_u32m2(out_buf + vl, __riscv_vget_v_u32m2x2_u32m2(data, 1),
                        vl);
}

__attribute__((used, retain)) void vloxseg2ei32_v_u32m4x2() {
  auto indices = __riscv_vle32_v_u32m4(index_buf, vl);
  auto data = __riscv_vloxseg2ei32_v_u32m4x2(in_buf, indices, vl);
  __riscv_vse32_v_u32m4(out_buf, __riscv_vget_v_u32m4x2_u32m4(data, 0), vl);
  __riscv_vse32_v_u32m4(out_buf + vl, __riscv_vget_v_u32m4x2_u32m4(data, 1),
                        vl);
}

// Ordered, segment 3
__attribute__((used, retain)) void vloxseg3ei32_v_u32m1x3() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vloxseg3ei32_v_u32m1x3(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x3_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x3_u32m1(data, 1),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 2, __riscv_vget_v_u32m1x3_u32m1(data, 2),
                        vl);
}

__attribute__((used, retain)) void vloxseg3ei32_v_u32m2x3() {
  auto indices = __riscv_vle32_v_u32m2(index_buf, vl);
  auto data = __riscv_vloxseg3ei32_v_u32m2x3(in_buf, indices, vl);
  __riscv_vse32_v_u32m2(out_buf, __riscv_vget_v_u32m2x3_u32m2(data, 0), vl);
  __riscv_vse32_v_u32m2(out_buf + vl, __riscv_vget_v_u32m2x3_u32m2(data, 1),
                        vl);
  __riscv_vse32_v_u32m2(out_buf + vl * 2, __riscv_vget_v_u32m2x3_u32m2(data, 2),
                        vl);
}

// Ordered, segment 4
__attribute__((used, retain)) void vloxseg4ei32_v_u32m1x4() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vloxseg4ei32_v_u32m1x4(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x4_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x4_u32m1(data, 1),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 2, __riscv_vget_v_u32m1x4_u32m1(data, 2),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 3, __riscv_vget_v_u32m1x4_u32m1(data, 3),
                        vl);
}

__attribute__((used, retain)) void vloxseg4ei32_v_u32m2x4() {
  auto indices = __riscv_vle32_v_u32m2(index_buf, vl);
  auto data = __riscv_vloxseg4ei32_v_u32m2x4(in_buf, indices, vl);
  __riscv_vse32_v_u32m2(out_buf, __riscv_vget_v_u32m2x4_u32m2(data, 0), vl);
  __riscv_vse32_v_u32m2(out_buf + vl, __riscv_vget_v_u32m2x4_u32m2(data, 1),
                        vl);
  __riscv_vse32_v_u32m2(out_buf + vl * 2, __riscv_vget_v_u32m2x4_u32m2(data, 2),
                        vl);
  __riscv_vse32_v_u32m2(out_buf + vl * 3, __riscv_vget_v_u32m2x4_u32m2(data, 3),
                        vl);
}

// Ordered, segment 5
__attribute__((used, retain)) void vloxseg5ei32_v_u32m1x5() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vloxseg5ei32_v_u32m1x5(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x5_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x5_u32m1(data, 1),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 2, __riscv_vget_v_u32m1x5_u32m1(data, 2),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 3, __riscv_vget_v_u32m1x5_u32m1(data, 3),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 4, __riscv_vget_v_u32m1x5_u32m1(data, 4),
                        vl);
}

// Ordered, segment 6
__attribute__((used, retain)) void vloxseg6ei32_v_u32m1x6() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vloxseg6ei32_v_u32m1x6(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x6_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x6_u32m1(data, 1),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 2, __riscv_vget_v_u32m1x6_u32m1(data, 2),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 3, __riscv_vget_v_u32m1x6_u32m1(data, 3),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 4, __riscv_vget_v_u32m1x6_u32m1(data, 4),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 5, __riscv_vget_v_u32m1x6_u32m1(data, 5),
                        vl);
}

// Ordered, segment 7
__attribute__((used, retain)) void vloxseg7ei32_v_u32m1x7() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vloxseg7ei32_v_u32m1x7(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x7_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x7_u32m1(data, 1),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 2, __riscv_vget_v_u32m1x7_u32m1(data, 2),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 3, __riscv_vget_v_u32m1x7_u32m1(data, 3),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 4, __riscv_vget_v_u32m1x7_u32m1(data, 4),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 5, __riscv_vget_v_u32m1x7_u32m1(data, 5),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 6, __riscv_vget_v_u32m1x7_u32m1(data, 6),
                        vl);
}

// Ordered, segment 8
__attribute__((used, retain)) void vloxseg8ei32_v_u32m1x8() {
  auto indices = __riscv_vle32_v_u32m1(index_buf, vl);
  auto data = __riscv_vloxseg8ei32_v_u32m1x8(in_buf, indices, vl);
  __riscv_vse32_v_u32m1(out_buf, __riscv_vget_v_u32m1x8_u32m1(data, 0), vl);
  __riscv_vse32_v_u32m1(out_buf + vl, __riscv_vget_v_u32m1x8_u32m1(data, 1),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 2, __riscv_vget_v_u32m1x8_u32m1(data, 2),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 3, __riscv_vget_v_u32m1x8_u32m1(data, 3),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 4, __riscv_vget_v_u32m1x8_u32m1(data, 4),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 5, __riscv_vget_v_u32m1x8_u32m1(data, 5),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 6, __riscv_vget_v_u32m1x8_u32m1(data, 6),
                        vl);
  __riscv_vse32_v_u32m1(out_buf + vl * 7, __riscv_vget_v_u32m1x8_u32m1(data, 7),
                        vl);
}
}

void (*impl)() __attribute__((section(".data"))) = &vluxseg2ei32_v_u32m1x2;

int main(int argc, char** argv) {
  impl();
  return 0;
}