third_party/subzero/crosstest/mem_intrin_main.cpp

/* crosstest.py --test=mem_intrin.cpp --driver=mem_intrin_main.cpp \
   --prefix=Subzero_ --output=mem_intrin */

#include <stdint.h> /* cstdint requires -std=c++0x or higher */
#include <cstdio>

#include "mem_intrin.h"
#include "xdefs.h"

namespace Subzero_ {
#include "mem_intrin.h"
}

#define XSTR(s) STR(s)
#define STR(s) #s

void testVariableLen(SizeT &TotalTests, SizeT &Passes, SizeT &Failures) {
  uint8_t buf[256];
  uint8_t buf2[256];
#define do_test_variable(test_func)                                            \
  for (SizeT len = 4; len < 128; ++len) {                                      \
    for (uint8_t init_val = 0; init_val < 100; ++init_val) {                   \
      ++TotalTests;                                                            \
      int llc_result = test_func(buf, buf2, init_val, len);                    \
      int sz_result = Subzero_::test_func(buf, buf2, init_val, len);           \
      if (llc_result == sz_result) {                                           \
        ++Passes;                                                              \
      } else {                                                                 \
        ++Failures;                                                            \
        printf("Failure (%s): init_val=%d, len=%d, llc=%d, sz=%d\n",           \
               STR(test_func), init_val, len, llc_result, sz_result);          \
      }                                                                        \
    }                                                                          \
  }

  do_test_variable(memcpy_test);
  do_test_variable(memmove_test);
  do_test_variable(memset_test)
#undef do_test_variable
}

void testFixedLen(SizeT &TotalTests, SizeT &Passes, SizeT &Failures) {
#define do_test_fixed(test_func, NBYTES)                                       \
  for (uint8_t init_val = 0; init_val < 100; ++init_val) {                     \
    ++TotalTests;                                                              \
    int llc_result = test_func##_##NBYTES(init_val);                           \
    int sz_result = Subzero_::test_func##_##NBYTES(init_val);                  \
    if (llc_result == sz_result) {                                             \
      ++Passes;                                                                \
    } else {                                                                   \
      ++Failures;                                                              \
      printf("Failure (%s): init_val=%d, len=%d, llc=%d, sz=%d\n",             \
             STR(test_func), init_val, NBYTES, llc_result, sz_result);         \
    }                                                                          \
  }

#define X(NBYTES)                                                              \
  do_test_fixed(memcpy_test_fixed_len, NBYTES);                                \
  do_test_fixed(memmove_test_fixed_len, NBYTES);                               \
  do_test_fixed(memset_test_fixed_len, NBYTES);
  MEMINTRIN_SIZE_TABLE
#undef X
#undef do_test_fixed
}

int main(int argc, char *argv[]) {
  unsigned TotalTests = 0;
  unsigned Passes = 0;
  unsigned Failures = 0;
  testFixedLen(TotalTests, Passes, Failures);
  testVariableLen(TotalTests, Passes, Failures);
  printf("TotalTests=%u Passes=%u Failures=%u\n", TotalTests, Passes, Failures);
  return Failures;
}