Viewing file:  vec-ternarylogic-1.c (4.05 KB) -rw-r--r--
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/* { dg-do run { target { power10_hw } } } */
/* { dg-do link { target { ! power10_hw } } } */
/* { dg-require-effective-target power10_ok } */
/* { dg-options "-mdejagnu-cpu=power10" } */
#include <altivec.h>
extern void abort (void);
#define NumSamples 4
void
doTests00000001 (vector unsigned char a_sources [],
vector unsigned char b_sources [],
vector unsigned char c_sources []) {
for (int i = 0; i < NumSamples; i++)
for (int j = 0; j < NumSamples; j++)
for (int k = 0; k < NumSamples; k++)
{
vector unsigned char a = a_sources [i];
vector unsigned char b = b_sources [j];
vector unsigned char c = c_sources [k];
vector unsigned char result = vec_ternarylogic (a, b, c, 0x01);
vector unsigned char intended = (a & b & c);
if (!vec_all_eq (result, intended))
abort ();
}
}
void
doTests11100101 (vector unsigned char a_sources [],
vector unsigned char b_sources [],
vector unsigned char c_sources []) {
for (int i = 0; i < NumSamples; i++)
for (int j = 0; j < NumSamples; j++)
for (int k = 0; k < NumSamples; k++)
{
vector unsigned char a = a_sources [i];
vector unsigned char b = b_sources [j];
vector unsigned char c = c_sources [k];
vector unsigned char result = vec_ternarylogic (a, b, c, 0xe5);
vector unsigned char intended =
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Supposed to be a ? c: nand (b,c)
for (int l = 0; l < 16; l++)
{
for (int m = 0; m < 8; m++)
{
unsigned char bit_selector = (0x01 << m);
if (a[l] & bit_selector)
intended [l] |= c [l] & bit_selector;
else if ((b [l] & c [l] & bit_selector) == 0)
intended [l] |= bit_selector;
}
}
if (!vec_all_eq (result, intended))
abort ();
}
}
void
doTests11110011 (vector unsigned char a_sources [],
vector unsigned char b_sources [],
vector unsigned char c_sources []) {
for (int i = 0; i < NumSamples; i++)
for (int j = 0; j < NumSamples; j++)
for (int k = 0; k < NumSamples; k++)
{
vector unsigned char a = a_sources [i];
vector unsigned char b = b_sources [j];
vector unsigned char c = c_sources [k];
vector unsigned char result = vec_ternarylogic (a, b, c, 0xfb);
vector unsigned char intended = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
for (int i = 0; i < 16; i++)
intended [i] = b [i] | ~(a [i] & c [i]);
if (!vec_all_eq (result, intended))
abort ();
}
}
int main (int argc, char *argv [])
{
vector unsigned char a_sources [NumSamples] = {
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0 },
{ 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
{ 0xcc, 0xcc, 0xcc, 0xcc, 0x55, 0x55, 0x55, 0x55,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0xe7, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7,
0x69, 0x69, 0x69, 0x69, 0x69, 0x69, 0x69, 0x69 },
};
vector unsigned char b_sources [NumSamples] = {
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0 },
{ 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
{ 0xcc, 0xcc, 0xcc, 0xcc, 0x55, 0x55, 0x55, 0x55,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0xe7, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7,
0x69, 0x69, 0x69, 0x69, 0x69, 0x69, 0x69, 0x69 },
};
vector unsigned char c_sources [NumSamples] = {
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0 },
{ 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
{ 0xcc, 0xcc, 0xcc, 0xcc, 0x55, 0x55, 0x55, 0x55,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0xe7, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7,
0x69, 0x69, 0x69, 0x69, 0x69, 0x69, 0x69, 0x69 },
};
doTests00000001 (a_sources, b_sources, c_sources);
doTests11100101 (a_sources, b_sources, c_sources);
doTests11110011 (a_sources, b_sources, c_sources);
return 0;
}
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