/* { dg-do run } */ /* { dg-options "-O2 -fno-strict-aliasing -msse2" } */ /* { dg-additional-options "-mno-mmx" { target { ! ia32 } } } */ #include "sse2-check.h" #include "mmx-vals.h" __attribute__((noinline, noclone)) static void test_psadbw (long long *ll1, long long *ll2, long long *r) { __m64 t1 = *(__m64 *) ll1; __m64 t2 = *(__m64 *) ll2; *(__m64 *) r = _m_psadbw (t1, t2); } /* Routine to manually compute the results */ static void compute_correct_result (long long *dst_p, long long *src_p, long long *res_p) { unsigned char *dst = (unsigned char *) dst_p; unsigned char *src = (unsigned char *) src_p; unsigned short *res = (unsigned short *) res_p; int i; int tmp; unsigned int sum = 0; for (i = 0; i < 8; i++) { tmp = dst[i] - src[i]; if (tmp < 0) tmp = -tmp; sum += tmp; } res[0] = sum; for (i = 1; i < 4; i++) res[i] = 0; } static void sse2_test (void) { int i; long long r, ck; int fail = 0; /* Run the MMX tests */ for (i = 0; i < MMX_num_ops; i += 2) { test_psadbw (&MMXops[i], &MMXops[i + 1], &r); compute_correct_result (&MMXops[i], &MMXops[i + 1], &ck); if (ck != r) fail++; } if (fail != 0) abort (); }