File: nios2-stxio.c

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gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
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/* { dg-do assemble } */
/* { dg-options "-O" } */

void test_stbio (unsigned char* p1, unsigned char* p2)
{
  __builtin_stbio (p1, *p2);
  __builtin_stbio (p2, 0);
  __builtin_stbio (p2 + 1, 0x80);
  __builtin_stbio (p2 + 2, 0x7f);
  __builtin_stbio (p2 + 2047, 0x80);
  __builtin_stbio (p2 + 2048, 0x7f);
}

void test_sthio (unsigned short* p1, unsigned short* p2)
{
  __builtin_sthio (p1, *p2);
  __builtin_sthio (p2, 0);
  __builtin_sthio (p2 + 1, 0x8000);
  __builtin_sthio (p2 + 2, 0x7fff);
  __builtin_sthio (p2 + 1023, 0x8000);
  __builtin_sthio (p2 + 1024, 0x7fff);
}

void test_stwio (unsigned int* p1, unsigned int* p2)
{
  __builtin_stwio (p1, *p2);
  __builtin_stwio (p2, 0);
  __builtin_stwio (p2 + 1, 0x80000000);
  __builtin_stwio (p2 + 2, 0x7fffffff);
  __builtin_stwio (p2 + 511, 5);
  __builtin_stwio (p2 + 512, 5);
}