typedef short __v2hi __attribute__ ((__vector_size__ (4))); typedef short __v4hi __attribute__ ((__vector_size__ (8))); extern void abort (void); static void compare64 (int n, void *p, unsigned long long val) { unsigned long long *x = (unsigned long long *) p; if (*x != val) abort(); } static void compare32 (int n, void *p, unsigned int val) { unsigned int *x = (unsigned int *) p; if (*x != val) abort(); } #define V2HI_TEST(N, elt0, elt1) \ static void \ test_v2hi_##N (unsigned short x, unsigned short y) \ { \ __v2hi v = { (elt0), (elt1) }; \ compare32(N, &v, ((int)(elt0) << 16) | (elt1)); \ } V2HI_TEST(1, x, y) V2HI_TEST(2, y, x) V2HI_TEST(3, x, x) V2HI_TEST(4, x, 0) V2HI_TEST(5, 0, x) V2HI_TEST(6, y, 1) V2HI_TEST(7, 1, y) V2HI_TEST(8, 2, 3) V2HI_TEST(9, 0x400, x) V2HI_TEST(10, y, 0x8000) #define V4HI_TEST(N, elt0, elt1, elt2, elt3) \ static void \ test_v4hi_##N (unsigned short a, unsigned short b, unsigned short c, unsigned short d) \ { \ __v4hi v = { (elt0), (elt1), (elt2), (elt3) }; \ compare64(N, &v, \ ((long long)(elt0) << 48) | \ ((long long)(elt1) << 32) | \ ((long long)(elt2) << 16) | \ ((long long)(elt3))); \ } V4HI_TEST(1, a, a, a, a) V4HI_TEST(2, a, b, c, d) V4HI_TEST(3, a, a, b, b) V4HI_TEST(4, d, c, b, a) V4HI_TEST(5, a, 0, 0, 0) V4HI_TEST(6, a, 0, b, 0) V4HI_TEST(7, c, 5, 5, 5) V4HI_TEST(8, d, 6, a, 6) V4HI_TEST(9, 0x200, 0x300, 0x500, 0x8800) V4HI_TEST(10, 0x600, a, a, a) unsigned short a16 = 0x3344; unsigned short b16 = 0x5566; unsigned short c16 = 0x7788; unsigned short d16 = 0x9911; int main(void) { test_v2hi_1 (a16, b16); test_v2hi_2 (a16, b16); test_v2hi_3 (a16, b16); test_v2hi_4 (a16, b16); test_v2hi_5 (a16, b16); test_v2hi_6 (a16, b16); test_v2hi_7 (a16, b16); test_v2hi_8 (a16, b16); test_v2hi_9 (a16, b16); test_v2hi_10 (a16, b16); test_v4hi_1 (a16, b16, c16, d16); test_v4hi_2 (a16, b16, c16, d16); test_v4hi_3 (a16, b16, c16, d16); test_v4hi_4 (a16, b16, c16, d16); test_v4hi_5 (a16, b16, c16, d16); test_v4hi_6 (a16, b16, c16, d16); test_v4hi_7 (a16, b16, c16, d16); test_v4hi_8 (a16, b16, c16, d16); test_v4hi_9 (a16, b16, c16, d16); test_v4hi_10 (a16, b16, c16, d16); return 0; }