#include "altivec.h" #define N 4096 void abort (); #define PRAGMA(X) _Pragma (#X) #define UNROLL0 PRAGMA (GCC unroll 0) #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; \ UNROLL0 \ 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]); \ } \ } \ #define define_init_verify_functions(VBTYPE, RTYPE, STYPE, NAME) \ __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 (); \ }