Re: [PATCH v2 1/2] RISC-V: Add shorten_memrefs pass

[Jim Wilson]

FYI the testcase I'm using to test the patch.  Some of the functions
get smaller, some of them get bigger, and some don't change in size
but should when compiled for an rv64 target.

Jim

void
store1z (int *array)
{
  array[200] = 0;
  array[201] = 0;
  array[202] = 0;
  array[203] = 0;
}

void
store2z (long long *array)
{
  array[200] = 0;
  array[201] = 0;
  array[202] = 0;
  array[203] = 0;
}

void
store1a (int *array, int a)
{
  array[200] = a;
  array[201] = a;
  array[202] = a;
  array[203] = a;
}

void
store2a (long long *array, long long a)
{
  array[200] = a;
  array[201] = a;
  array[202] = a;
  array[203] = a;
}

int
load1r (int *array)
{
  int a = 0;
  a += array[200];
  a += array[201];
  a += array[202];
  a += array[203];
  return a;
}

long long
load2r (long long *array)
{
  int a = 0;
  a += array[200];
  a += array[201];
  a += array[202];
  a += array[203];
  return a;
}

extern int sub1 (int, int, int, int, int, int, int);

int
load1a (int a0, int a1, int a2, int a3, int a4, int *array)
{
  int a = 0;
  a += array[200];
  a += array[201];
  a += array[202];
  a += array[203];
  return sub1 (a0, a1, a2, a3, a4, 0, a);
}

extern long long sub2 (long long, long long, long long, long long, long long,
		       long long, long long);

long long
load2a (long long a0, long long a1, long long a2, long long a3, long long a4,
	long long *array)
{
  int a = 0;
  a += array[200];
  a += array[201];
  a += array[202];
  a += array[203];
  return sub2 (a0, a1, a2, a3, a4, 0, a);
}