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|
/* { dg-do run } */
/* { dg-require-effective-target int128 } */
/* { dg-require-effective-target power10_hw } */
/* { dg-options "-mdejagnu-cpu=power10 -O2 -save-temps" } */
/* { dg-final { scan-assembler-times {\mbcdadd\M} 7 } } */
/* { dg-final { scan-assembler-times {\mbcdsub\M} 18 } } */
/* { dg-final { scan-assembler-times {\mbcds\M} 2 } } */
/* { dg-final { scan-assembler-times {\mdenbcdq\M} 1 } } */
#include <altivec.h>
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#endif
#define BCD_POS0 12 // 0xC
#define BCD_POS1 15 // 0xF
#define BCD_NEG 13 // 0xD
void abort (void);
union conv_t
{
_Decimal128 d128;
vector unsigned char ch;
vector long long unsigned int vllui;
} conv;
_Decimal128 convert_vec_char (vector unsigned char a)
{
union conv_t conv;
_Decimal128 result;
conv.ch = a;
result = conv.d128;
return result;
}
vector unsigned char maxbcd(unsigned int sign)
{
vector unsigned char result;
int i;
for (i = 15; i > 0; i--)
result[i] = 0x99;
result[0] = sign << 4 | 0x9;
}
vector unsigned char num2bcd(long int a, int encoding)
{
int i;
unsigned int hi, low, sign;
vector unsigned char result;
if (a > 0) {
if (encoding == 0)
sign = BCD_POS0;
else
sign = BCD_POS1;
} else {
sign = BCD_NEG;
a = -a;
}
hi = a % 10; // 1st digit
a = a / 10;
result[0] = hi << 4| sign;
for (i = 1; i < 16; i++)
{
low = a % 10;
a = a / 10;
hi = a % 10;
a = a / 10;
result[i] = hi << 4 | low;
}
return result;
}
int main ()
{
int i;
long int value_a, value_b, value_result;
vector unsigned char a, b, result, exp_result;
_Decimal128 result_d128, exp_result_d128;
/* Make a and b positive BCD numbers */
value_a = 1020304;
a = num2bcd(value_a, 0);
value_b = 101010;
b = num2bcd(value_b, 0);
value_result = value_a + value_b;
exp_result = num2bcd(value_result, 0);
result = __builtin_bcdadd (a, b, 0);
for (i = 0; i < 16; i++)
if (exp_result[i] != result[i]) {
#if DEBUG
printf("ERROR: __builtin_bcdadd result[%d] = %d does not match "
"expected_result[%d] = %d\n",
i, result[i], i, exp_result[i]);
#else
abort();
#endif
}
/* result should be positive */
if ((result[0] & 0xF) != BCD_POS0)
#if DEBUG
printf("ERROR: __builtin_bcdadd sign of result is %d. Does not match "
"expected_result = %d\n",
result[0] & 0xF, BCD_POS0);
#else
abort();
#endif
/* Make a and b positive BCD numbers using alternate positive encoding. */
value_a = 1030507;
a = num2bcd(value_a, 1);
value_b = 204060;
b = num2bcd(value_b, 1);
value_result = value_a + value_b;
exp_result = num2bcd(value_result, 1);
result = __builtin_bcdadd (a, b, 1);
for (i = 0; i < 16; i++)
if (exp_result[i] != result[i]) {
#if DEBUG
printf("ERROR: __builtin_bcdadd result[%d] = %d does not match "
"expected_result[%d] = %d\n",
i, result[i], i, exp_result[i]);
#else
abort();
#endif
}
/* Result should be positive, alternate encoding. */
if ((result[0] & 0xF) != BCD_POS1)
#if DEBUG
printf("ERROR: __builtin_bcdadd sign of result is %d. Does not "
"match expected_result = %d\n",
result[0] & 0xF, BCD_POS1);
#else
abort();
#endif
/* Make a and b negative BCD numbers */
value_a = -1030507;
a = num2bcd(value_a, 0);
value_b = -1010101;
b = num2bcd(value_b, 0);
value_result = value_a + value_b;
exp_result = num2bcd(value_result, 0);
result = __builtin_bcdadd (a, b, 0);
for (i = 0; i < 16; i++)
if (exp_result[i] != result[i]) {
#if DEBUG
printf("ERROR: __builtin_bcdadd, neg result[%d] = %d does not match "
"expected_result[%d] = %d\n",
i, result[i], i, exp_result[i]);
#else
abort();
#endif
}
/* result should be negative */
if ((result[0] & 0xF) != BCD_NEG)
#if DEBUG
printf("ERROR: __builtin_bcdadd sign, neg of result is %d. Does not "
"match expected_result = %d\n",
result[0] & 0xF, BCD_NEG);
#else
abort();
#endif
/* Make a negative, b positive BCD numbers */
value_a = -1030507;
a = num2bcd(value_a, 0);
value_b = 1010101;
b = num2bcd(value_b, 0);
value_result = value_a - value_b;
exp_result = num2bcd(value_result, 0);
result = __builtin_bcdsub (a, b, 0);
for (i = 0; i < 16; i++)
if (exp_result[i] != result[i]) {
#if DEBUG
printf("ERROR: __builtin_bcdsub, neg result[%d] = %d does not match "
"expected_result[%d] = %d\n",
i, result[i], i, exp_result[i]);
#else
abort();
#endif
}
/* result should be positive, alt encoding */
if ((result[0] & 0xF) != BCD_NEG)
#if DEBUG
printf("ERROR: __builtin_bcdadd sign, of result is %d. Does not match "
"expected_result = %d\n",
result[0] & 0xF, BCD_NEG);
#else
abort();
#endif
/* Make a and b positive BCD numbers */
value_a = 1030507;
a = num2bcd(value_a, 1);
value_b = 1010101;
b = num2bcd(value_b, 1);
value_result = value_a - value_b;
exp_result = num2bcd(value_result, 1);
result = __builtin_bcdsub (a, b, 1);
for (i = 0; i < 16; i++)
if (exp_result[i] != result[i]) {
#if DEBUG
printf("ERROR:carll __builtin_bcdsub, pos result[%d] = %d does not "
"match expected_result[%d] = %d\n",
i, result[i], i, exp_result[i]);
#else
abort();
#endif
}
/* result should be positive */
if ((result[0] & 0xF) != BCD_POS1)
#if DEBUG
printf("ERROR: __builtin_bcdsub sign, result is %d. Does not match "
"expected_result = %d\n",
result[0] & 0xF, BCD_POS1);
#else
abort();
#endif
/* Test overflow add and subtract. */
a = maxbcd(BCD_POS0);
b = maxbcd(BCD_POS0);
if(__builtin_bcdadd_ofl (a, b, 0) == 0)
#if DEBUG
printf("ERROR: __builtin_bcdadd did not overflow as expected\n");
#else
abort();
#endif
value_a = 99999999;
a = num2bcd(value_a, 0);
value_b = 999999999;
b = num2bcd(value_b, 0);
if(__builtin_bcdadd_ofl (a, b, 0))
#if DEBUG
printf("ERROR: __builtin_bcdadd unexpectedly overflowed\n");
#else
abort();
#endif
a = maxbcd(BCD_NEG);
b = maxbcd(BCD_NEG);
if (__builtin_bcdsub_ofl (a, b, 0) == 0)
#if DEBUG
printf("ERROR: __builtin_bcdsub did not overflow as expected\n");
#else
abort();
#endif
value_a = -99999999;
a = num2bcd(value_a, 0);
value_b = -999999999;
b = num2bcd(value_b, 0);
if (__builtin_bcdsub_ofl (a, b, 0))
#if DEBUG
printf("ERROR: __builtin_bcdsub unexpectedly overflowed\n");
#else
abort();
#endif
/* Test arguments for valid/invalid */
if (__builtin_bcdinvalid (a))
#if DEBUG
printf("ERROR: __builtin_invalid input is unexpectedly invalid.\n");
#else
abort();
#endif
a[3] = 0xBB; /* an invalid BCD digit */
if (!__builtin_bcdinvalid (a))
#if DEBUG
printf("ERROR: __builtin_invalid input is unexpectedly valid.\n");
#else
abort();
#endif
value_a = 1020304;
a = num2bcd(value_a, 0);
value_b = 101010;
b = num2bcd(value_b, 0);
/* Test equality */
if (__builtin_bcdcmpeq (a, b))
#if DEBUG
printf("ERROR: __builtin__bcdcmpeq result is unexpectedly 1.\n");
#else
abort();
#endif
if (!__builtin_bcdcmpeq (a, a))
#if DEBUG
printf("ERROR: __builtin__bcdcmpeq result is unexpectedly 0.\n");
#else
abort();
#endif
/* Test a greater then b, inputs already setup this way. */
if (!__builtin_bcdcmpgt (a, b))
#if DEBUG
printf("ERROR: __builtin__bcdcmpgt result is unexpectedly 0.\n");
#else
abort();
#endif
if (__builtin_bcdcmpgt (b, a))
#if DEBUG
printf("ERROR: __builtin__bcdcmpgt result is unexpectedly 1.\n");
#else
abort();
#endif
if (__builtin_bcdcmpgt (a, a))
#if DEBUG
printf("ERROR: __builtin__bcdcmpgt input equal, result is unexpectedly "
"1.\n");
#else
abort();
#endif
if (!__builtin_bcdcmpge (a, b))
#if DEBUG
printf("ERROR: __builtin__bcdcmpge result is unexpectedly 0.\n");
#else
abort();
#endif
if (__builtin_bcdcmpge (b, a))
#if DEBUG
printf("ERROR: __builtin__bcdcmpge result is unexpectedly 1.\n");
#else
abort();
#endif
if (!__builtin_bcdcmpge (b, b))
#if DEBUG
printf("ERROR: __builtin__bcdcmpge inputs equal result is unexpectedly "
"0.\n");
#else
abort();
#endif
/* Test a less then b. */
value_a = 101010;
a = num2bcd(value_a, 0);
value_b = 1020304;
b = num2bcd(value_b, 0);
if (!__builtin_bcdcmplt (a, b))
#if DEBUG
printf("ERROR: __builtin__bcdcmplt result is unexpectedly 0.\n");
#else
abort();
#endif
if (__builtin_bcdcmplt (b, a))
#if DEBUG
printf("ERROR: __builtin__bcdcmplt result is unexpectedly 1.\n");
#else
abort();
#endif
if (__builtin_bcdcmplt (b, b))
#if DEBUG
printf("ERROR: __builtin__bcdcmplt inputs equal result is unexpectedly "
"1.\n");
#else
abort();
#endif
if (!__builtin_bcdcmple (a, b))
#if DEBUG
printf("ERROR: __builtin__bcdcmple result is unexpectedly 0.\n");
#else
abort();
#endif
if (__builtin_bcdcmple (b, a))
#if DEBUG
printf("ERROR: __builtin__bcdcmple result is unexpectedly 1.\n");
#else
abort();
#endif
if (!__builtin_bcdcmple (a, a))
#if DEBUG
printf("ERROR: __builtin__bcdcmple inputs equal result is unexpectedly "
"0.\n");
#else
abort();
#endif
/* Test multipy 10 */
value_a = 1020304;
a = num2bcd(value_a, 0);
value_result = value_a * 10;
exp_result = num2bcd(value_result, 0);
result = __builtin_bcdmul10 (a);
for (i = 0; i < 16; i++)
if (exp_result[i] != result[i]) {
#if DEBUG
printf("ERROR:carll __builtin_bcdmul10, pos result[%d] = %d does not "
"match expected_result[%d] = %d\n",
i, result[i], i, exp_result[i]);
#else
abort();
#endif
}
/* result should be positive */
if ((result[0] & 0xF) != BCD_POS0)
#if 0
printf("ERROR: __builtin_bcdmul10 sign, result is %d. Does not match "
"expected_result = %d\n",
result[0] & 0xF, BCD_POS1);
#else
abort();
#endif
/* Test divide 10 */
value_a = 1020304;
a = num2bcd(value_a, 0);
value_result = value_a / 10;
exp_result = num2bcd(value_result, 0);
result = __builtin_bcddiv10 (a);
for (i = 0; i < 16; i++)
if (exp_result[i] != result[i]) {
#if DEBUG
printf("ERROR:carll __builtin_bcddiv10, pos result[%d] = %d does not "
"match expected_result[%d] = %d\n",
i, result[i], i, exp_result[i]);
#else
abort();
#endif
}
/* result should be positive */
if ((result[0] & 0xF) != BCD_POS0)
#if DEBUG
printf("ERROR: __builtin_bcddiv10 sign, result is %d. Does not match "
"expected_result = %d\n",
result[0] & 0xF, BCD_POS1);
#else
abort();
#endif
value_a = 1020304;
exp_result_d128 = 1020304;
a = num2bcd(value_a, 0);
conv.ch = a;
conv.d128 = __builtin_bcd2dfp (a);
result_d128 = conv.d128;
if (result_d128 != exp_result_d128)
#if DEBUG
printf("ERROR: __builtin_bcd2dfp, result does not match expected_result."
"\n");
#else
abort();
#endif
return 0;
}
|
