1*f4c0f986SRichard Henderson /* 2*f4c0f986SRichard Henderson * Test 64x64 -> 128 multiply subroutines 3*f4c0f986SRichard Henderson * 4*f4c0f986SRichard Henderson * This work is licensed under the terms of the GNU LGPL, version 2 or later. 5*f4c0f986SRichard Henderson * See the COPYING.LIB file in the top-level directory. 6*f4c0f986SRichard Henderson * 7*f4c0f986SRichard Henderson */ 8*f4c0f986SRichard Henderson 9*f4c0f986SRichard Henderson #include <glib.h> 10*f4c0f986SRichard Henderson #include <stdint.h> 11*f4c0f986SRichard Henderson #include "qemu/host-utils.h" 12*f4c0f986SRichard Henderson #include "qemu/osdep.h" 13*f4c0f986SRichard Henderson 14*f4c0f986SRichard Henderson 15*f4c0f986SRichard Henderson typedef struct { 16*f4c0f986SRichard Henderson uint64_t a, b; 17*f4c0f986SRichard Henderson uint64_t rh, rl; 18*f4c0f986SRichard Henderson } Test; 19*f4c0f986SRichard Henderson 20*f4c0f986SRichard Henderson static const Test test_u_data[] = { 21*f4c0f986SRichard Henderson { 1, 1, 0, 1 }, 22*f4c0f986SRichard Henderson { 10000, 10000, 0, 100000000 }, 23*f4c0f986SRichard Henderson { 0xffffffffffffffffULL, 2, 1, 0xfffffffffffffffeULL }, 24*f4c0f986SRichard Henderson { 0xffffffffffffffffULL, 0xffffffffffffffffULL, 25*f4c0f986SRichard Henderson 0xfffffffffffffffeULL, 0x0000000000000001ULL }, 26*f4c0f986SRichard Henderson { 0x1122334455667788ull, 0x8877665544332211ull, 27*f4c0f986SRichard Henderson 0x092228fb777ae38full, 0x0a3e963337c60008ull }, 28*f4c0f986SRichard Henderson }; 29*f4c0f986SRichard Henderson 30*f4c0f986SRichard Henderson static const Test test_s_data[] = { 31*f4c0f986SRichard Henderson { 1, 1, 0, 1 }, 32*f4c0f986SRichard Henderson { 1, -1, -1, -1 }, 33*f4c0f986SRichard Henderson { -10, -10, 0, 100 }, 34*f4c0f986SRichard Henderson { 10000, 10000, 0, 100000000 }, 35*f4c0f986SRichard Henderson { -1, 2, -1, -2 }, 36*f4c0f986SRichard Henderson { 0x1122334455667788ULL, 0x1122334455667788ULL, 37*f4c0f986SRichard Henderson 0x01258f60bbc2975cULL, 0x1eace4a3c82fb840ULL }, 38*f4c0f986SRichard Henderson }; 39*f4c0f986SRichard Henderson 40*f4c0f986SRichard Henderson static void test_u(void) 41*f4c0f986SRichard Henderson { 42*f4c0f986SRichard Henderson int i; 43*f4c0f986SRichard Henderson 44*f4c0f986SRichard Henderson for (i = 0; i < ARRAY_SIZE(test_u_data); ++i) { 45*f4c0f986SRichard Henderson uint64_t rl, rh; 46*f4c0f986SRichard Henderson mulu64(&rl, &rh, test_u_data[i].a, test_u_data[i].b); 47*f4c0f986SRichard Henderson g_assert_cmpuint(rl, ==, test_u_data[i].rl); 48*f4c0f986SRichard Henderson g_assert_cmpuint(rh, ==, test_u_data[i].rh); 49*f4c0f986SRichard Henderson } 50*f4c0f986SRichard Henderson } 51*f4c0f986SRichard Henderson 52*f4c0f986SRichard Henderson static void test_s(void) 53*f4c0f986SRichard Henderson { 54*f4c0f986SRichard Henderson int i; 55*f4c0f986SRichard Henderson 56*f4c0f986SRichard Henderson for (i = 0; i < ARRAY_SIZE(test_s_data); ++i) { 57*f4c0f986SRichard Henderson uint64_t rl, rh; 58*f4c0f986SRichard Henderson muls64(&rl, &rh, test_s_data[i].a, test_s_data[i].b); 59*f4c0f986SRichard Henderson g_assert_cmpuint(rl, ==, test_s_data[i].rl); 60*f4c0f986SRichard Henderson g_assert_cmpint(rh, ==, test_s_data[i].rh); 61*f4c0f986SRichard Henderson } 62*f4c0f986SRichard Henderson } 63*f4c0f986SRichard Henderson 64*f4c0f986SRichard Henderson int main(int argc, char **argv) 65*f4c0f986SRichard Henderson { 66*f4c0f986SRichard Henderson g_test_init(&argc, &argv, NULL); 67*f4c0f986SRichard Henderson g_test_add_func("/host-utils/mulu64", test_u); 68*f4c0f986SRichard Henderson g_test_add_func("/host-utils/muls64", test_s); 69*f4c0f986SRichard Henderson return g_test_run(); 70*f4c0f986SRichard Henderson } 71