Viewing file:  vec-adde.c (1.83 KB) -rw-r--r--
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/* { dg-do run { target { powerpc*-*-* && vsx_hw } } } */
/* { dg-options "-mvsx -O3" } */
/* Test that the vec_adde builtin works as expected. */
#include "altivec.h"
#define N 4096
void abort ();
#define define_test_functions(STYPE, NAMESUFFIX) \
\
STYPE result_##NAMESUFFIX[N]; \
STYPE addend1_##NAMESUFFIX[N]; \
STYPE addend2_##NAMESUFFIX[N]; \
STYPE carry_##NAMESUFFIX[N]; \
STYPE expected_##NAMESUFFIX[N]; \
\
__attribute__((noinline)) void vector_tests_##NAMESUFFIX () \
{ \
vector STYPE v1, v2, v3, tmp; \
int i; \
for (i = 0; i < N; i+=16/sizeof (STYPE)) \
{ \
/* result=addend1+addend2+(carry & 0x1). */ \
v1 = vec_vsx_ld (0, &addend1_##NAMESUFFIX[i]); \
v2 = vec_vsx_ld (0, &addend2_##NAMESUFFIX[i]); \
v3 = vec_vsx_ld (0, &carry_##NAMESUFFIX[i]); \
\
tmp = vec_adde (v1, v2, v3); \
vec_vsx_st (tmp, 0, &result_##NAMESUFFIX[i]); \
} \
} \
\
__attribute__((noinline)) void init_##NAMESUFFIX () \
{ \
int i; \
for (i = 0; i < N; ++i) \
{ \
result_##NAMESUFFIX[i] = 0; \
addend1_##NAMESUFFIX[i] = 1; \
addend2_##NAMESUFFIX[i] = 2; \
carry_##NAMESUFFIX[i] = (i%12); \
expected_##NAMESUFFIX[i] = addend1_##NAMESUFFIX[i] + \
addend2_##NAMESUFFIX[i] + \
(carry_##NAMESUFFIX[i] & 0x1); \
} \
} \
\
__attribute__((noinline)) void verify_results_##NAMESUFFIX () \
{ \
int i; \
for (i = 0; i < N; ++i) \
{ \
if (result_##NAMESUFFIX[i] != expected_##NAMESUFFIX[i]) \
abort (); \
} \
}
#define execute_test_functions(STYPE, NAMESUFFIX) \
{ \
init_##NAMESUFFIX (); \
vector_tests_##NAMESUFFIX (); \
verify_results_##NAMESUFFIX (); \
}
define_test_functions (signed int, si);
define_test_functions (unsigned int, ui);
int main ()
{
execute_test_functions (signed int, si);
execute_test_functions (unsigned int, ui);
return 0;
}
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