Viewing file:  check-builtin-vec_rlnm-runnable.c (6.64 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-require-effective-target p9vector_hw } */
/* { dg-options "-O2 -mdejagnu-cpu=power9 -save-temps" } */
/* Verify the vec_rlm and vec_rlmi builtins works correctly. */
/* { dg-final { scan-assembler-times {\mvrldmi\M} 1 } } */
#include <altivec.h>
#ifdef DEBUG
#include <stdio.h>
#include <stdlib.h>
#endif
void abort (void);
int main ()
{
int i;
vector unsigned int vec_arg1_int, vec_arg2_int, vec_arg3_int;
vector unsigned int vec_result_int, vec_expected_result_int;
vector unsigned long long int vec_arg1_di, vec_arg2_di, vec_arg3_di;
vector unsigned long long int vec_result_di, vec_expected_result_di;
unsigned int mask_begin, mask_end, shift;
unsigned long long int mask;
/* Check vec int version of vec_rlmi builtin */
mask = 0;
mask_begin = 0;
mask_end = 4;
shift = 16;
for (i = 0; i < 31; i++)
if ((i >= mask_begin) && (i <= mask_end))
mask |= 0x80000000ULL >> i;
for (i = 0; i < 4; i++) {
vec_arg1_int[i] = 0x12345678 + i*0x11111111;
vec_arg2_int[i] = 0xA1B1CDEF;
vec_arg3_int[i] = mask_begin << 16 | mask_end << 8 | shift;
/* do rotate */
vec_expected_result_int[i] = ( vec_arg2_int[i] & ~mask)
| ((vec_arg1_int[i] << shift) | (vec_arg1_int[i] >> (32-shift))) & mask;
}
/* vec_rlmi(arg1, arg2, arg3)
result - rotate each element of arg2 left and inserts it into arg1
element based on the mask specified in arg3. The shift, mask
start and end is specified in arg3. */
vec_result_int = vec_rlmi (vec_arg1_int, vec_arg2_int, vec_arg3_int);
for (i = 0; i < 4; i++) {
if (vec_result_int[i] != vec_expected_result_int[i])
#ifdef DEBUG
printf("ERROR: i = %d, vec_rlmi int result 0x%x, does not match "
"expected result 0x%x\n", i, vec_result_int[i],
vec_expected_result_int[i]);
#else
abort();
#endif
}
/* Check vec long long int version of vec_rlmi builtin */
mask = 0;
mask_begin = 0;
mask_end = 4;
shift = 16;
for (i = 0; i < 31; i++)
if ((i >= mask_begin) && (i <= mask_end))
mask |= 0x8000000000000000ULL >> i;
for (i = 0; i < 2; i++) {
vec_arg1_di[i] = 0x1234567800000000 + i*0x11111111;
vec_arg2_di[i] = 0xA1B1C1D1E1F12345;
vec_arg3_di[i] = mask_begin << 16 | mask_end << 8 | shift;
/* do rotate */
vec_expected_result_di[i] = ( vec_arg2_di[i] & ~mask)
| ((vec_arg1_di[i] << shift) | (vec_arg1_di[i] >> (64-shift))) & mask;
}
/* vec_rlmi(arg1, arg2, arg3)
result - rotate each element of arg1 left and inserts it into arg2
element based on the mask specified in arg3. The shift, mask, start
and end is specified in arg3. */
vec_result_di = vec_rlmi (vec_arg1_di, vec_arg2_di, vec_arg3_di);
for (i = 0; i < 2; i++) {
if (vec_result_di[i] != vec_expected_result_di[i])
#ifdef DEBUG
printf("ERROR: i = %d, vec_rlmi int long long result 0x%llx, does not match "
"expected result 0x%llx\n", i, vec_result_di[i],
vec_expected_result_di[i]);
#else
abort();
#endif
}
/* Check vec int version of vec_rlnm builtin */
mask = 0;
mask_begin = 0;
mask_end = 4;
shift = 16;
for (i = 0; i < 31; i++)
if ((i >= mask_begin) && (i <= mask_end))
mask |= 0x80000000ULL >> i;
for (i = 0; i < 4; i++) {
vec_arg1_int[i] = 0x12345678 + i*0x11111111;
vec_arg2_int[i] = shift;
vec_arg3_int[i] = mask_begin << 8 | mask_end;
vec_expected_result_int[i] = (vec_arg1_int[i] << shift) & mask;
}
/* vec_rlnm(arg1, arg2, arg3)
result - rotate each element of arg1 left by shift in element of arg2.
Then AND with mask whose start/stop bits are specified in element of
arg3. */
vec_result_int = vec_rlnm (vec_arg1_int, vec_arg2_int, vec_arg3_int);
for (i = 0; i < 4; i++) {
if (vec_result_int[i] != vec_expected_result_int[i])
#ifdef DEBUG
printf("ERROR: vec_rlnm, i = %d, int result 0x%x does not match "
"expected result 0x%x\n", i, vec_result_int[i],
vec_expected_result_int[i]);
#else
abort();
#endif
}
/* Check vec long int version of builtin */
mask = 0;
mask_begin = 0;
mask_end = 4;
shift = 20;
for (i = 0; i < 63; i++)
if ((i >= mask_begin) && (i <= mask_end))
mask |= 0x8000000000000000ULL >> i;
for (i = 0; i < 2; i++) {
vec_arg1_di[i] = 0x123456789ABCDE00ULL + i*0x1111111111111111ULL;
vec_arg2_di[i] = shift;
vec_arg3_di[i] = mask_begin << 8 | mask_end;
vec_expected_result_di[i] = (vec_arg1_di[i] << shift) & mask;
}
vec_result_di = vec_rlnm (vec_arg1_di, vec_arg2_di, vec_arg3_di);
for (i = 0; i < 2; i++) {
if (vec_result_di[i] != vec_expected_result_di[i])
#ifdef DEBUG
printf("ERROR: vec_rlnm, i = %d, long long int result 0x%llx does not "
"match expected result 0x%llx\n", i, vec_result_di[i],
vec_expected_result_di[i]);
#else
abort();
#endif
}
/* Check vec int version of vec_vrlnm builtin */
mask = 0;
mask_begin = 0;
mask_end = 4;
shift = 16;
for (i = 0; i < 31; i++)
if ((i >= mask_begin) && (i <= mask_end))
mask |= 0x80000000ULL >> i;
for (i = 0; i < 4; i++) {
vec_arg1_int[i] = 0x12345678 + i*0x11111111;
vec_arg2_int[i] = mask_begin << 16 | mask_end << 8 | shift;
vec_expected_result_int[i] = (vec_arg1_int[i] << shift) & mask;
}
/* vec_vrlnm(arg1, arg2, arg3)
result - rotate each element of arg1 left then AND with mask. The mask
start, stop bits is specified in the second argument. The shift amount
is also specified in the second argument. */
vec_result_int = vec_vrlnm (vec_arg1_int, vec_arg2_int);
for (i = 0; i < 4; i++) {
if (vec_result_int[i] != vec_expected_result_int[i])
#ifdef DEBUG
printf("ERROR: vec_vrlnm, i = %d, int result 0x%x does not match "
"expected result 0x%x\n", i, vec_result_int[i],
vec_expected_result_int[i]);
#else
abort();
#endif
}
/* Check vec long int version of vec_vrlnm builtin */
mask = 0;
mask_begin = 0;
mask_end = 4;
shift = 20;
for (i = 0; i < 63; i++)
if ((i >= mask_begin) && (i <= mask_end))
mask |= 0x8000000000000000ULL >> i;
for (i = 0; i < 2; i++) {
vec_arg1_di[i] = 0x123456789ABCDE00ULL + i*0x1111111111111111ULL;
vec_arg2_di[i] = mask_begin << 16 | mask_end << 8 | shift;
vec_expected_result_di[i] = (vec_arg1_di[i] << shift) & mask;
}
vec_result_di = vec_vrlnm (vec_arg1_di, vec_arg2_di);
for (i = 0; i < 2; i++) {
if (vec_result_di[i] != vec_expected_result_di[i])
#ifdef DEBUG
printf("ERROR: vec_vrlnm, i = %d, long long int result 0x%llx does not "
"match expected result 0x%llx\n", i, vec_result_di[i],
vec_expected_result_di[i]);
#else
abort();
#endif
}
return 0;
}
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