Viewing file:  vec-cmpne.c (3.29 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-require-effective-target powerpc_vsx_ok } */
/* { dg-options "-mvsx -O3" } */
/* Test that the vec_cmpne builtin works as expected. */
#include "altivec.h"
#define N 4096
void abort ();
#define define_test_functions(VBTYPE, RTYPE, STYPE, NAME) \
\
RTYPE result_ne_##NAME[N] __attribute__((aligned(16))); \
RTYPE result_eq_##NAME[N] __attribute__((aligned(16))); \
STYPE operand1_##NAME[N] __attribute__((aligned(16))); \
STYPE operand2_##NAME[N] __attribute__((aligned(16))); \
RTYPE expected_##NAME[N] __attribute__((aligned(16))); \
\
__attribute__((noinline)) void vector_tests_##NAME () \
{ \
vector STYPE v1_##NAME, v2_##NAME; \
vector bool VBTYPE tmp_##NAME; \
int i; \
for (i = 0; i < N; i+=16/sizeof (STYPE)) \
{ \
/* result_ne = operand1!=operand2. */ \
v1_##NAME = vec_vsx_ld (0, (const vector STYPE*)&operand1_##NAME[i]); \
v2_##NAME = vec_vsx_ld (0, (const vector STYPE*)&operand2_##NAME[i]); \
\
tmp_##NAME = vec_cmpeq (v1_##NAME, v2_##NAME); \
vec_vsx_st (tmp_##NAME, 0, &result_eq_##NAME[i]); \
\
tmp_##NAME = vec_cmpne (v1_##NAME, v2_##NAME); \
vec_vsx_st (tmp_##NAME, 0, &result_ne_##NAME[i]); \
} \
} \
\
__attribute__((noinline)) void init_##NAME () \
{ \
int i; \
for (i = 0; i < N; ++i) \
{ \
result_ne_##NAME[i] = 7; \
result_eq_##NAME[i] = 15; \
if (i%3 == 0) \
{ \
/* op1 < op2. */ \
operand1_##NAME[i] = 1; \
operand2_##NAME[i] = 2; \
} \
else if (i%3 == 1) \
{ \
/* op1 > op2. */ \
operand1_##NAME[i] = 2; \
operand2_##NAME[i] = 1; \
} \
else if (i%3 == 2) \
{ \
/* op1 == op2. */ \
operand1_##NAME[i] = 3; \
operand2_##NAME[i] = 3; \
} \
/* For vector comparisons: "For each element of the result_ne, the \
value of each bit is 1 if the corresponding elements of ARG1 and \
ARG2 are equal." {or whatever the comparison is} "Otherwise, the \
value of each bit is 0." */ \
expected_##NAME[i] = -1 * (RTYPE)(operand1_##NAME[i] != operand2_##NAME[i]); \
} \
} \
\
__attribute__((noinline)) void verify_results_##NAME () \
{ \
int i; \
for (i = 0; i < N; ++i) \
{ \
if ( ((result_ne_##NAME[i] != expected_##NAME[i]) || \
(result_ne_##NAME[i] == result_eq_##NAME[i]))) \
abort (); \
} \
}
#define execute_test_functions(VBTYPE, RTYPE, STYPE, NAME) \
{ \
init_##NAME (); \
vector_tests_##NAME (); \
verify_results_##NAME (); \
}
define_test_functions (int, signed int, signed int, si);
define_test_functions (int, unsigned int, unsigned int, ui);
define_test_functions (short, signed short, signed short, ss);
define_test_functions (short, unsigned short, unsigned short, us);
define_test_functions (char, signed char, signed char, sc);
define_test_functions (char, unsigned char, unsigned char, uc);
define_test_functions (int, signed int, float, ff);
int main ()
{
execute_test_functions (int, signed int, signed int, si);
execute_test_functions (int, unsigned int, unsigned int, ui);
execute_test_functions (short, signed short, signed short, ss);
execute_test_functions (short, unsigned short, unsigned short, us);
execute_test_functions (char, signed char, signed char, sc);
execute_test_functions (char, unsigned char, unsigned char, uc);
execute_test_functions (int, signed int, float, ff);
return 0;
}
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