/* Test fisttpl and fisttpll instructions. */ #include #include #include union u { struct { uint64_t sig; uint16_t sign_exp; } s; long double ld; }; volatile union u ld_invalid_1 = { .s = { 1, 1234 } }; int main(void) { int ret = 0; int32_t res_32; int64_t res_64; __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (0x1p100L) : "st"); if (res_32 != INT32_MIN) { printf("FAIL: fisttpl 0x1p100\n"); ret = 1; } __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (-0x1p100L) : "st"); if (res_32 != INT32_MIN) { printf("FAIL: fisttpl -0x1p100\n"); ret = 1; } __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (__builtin_infl()) : "st"); if (res_32 != INT32_MIN) { printf("FAIL: fisttpl inf\n"); ret = 1; } __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (-__builtin_infl()) : "st"); if (res_32 != INT32_MIN) { printf("FAIL: fisttpl -inf\n"); ret = 1; } __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (__builtin_nanl("")) : "st"); if (res_32 != INT32_MIN) { printf("FAIL: fisttpl nan\n"); ret = 1; } __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (-__builtin_nanl("")) : "st"); if (res_32 != INT32_MIN) { printf("FAIL: fisttpl -nan\n"); ret = 1; } __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (ld_invalid_1.ld) : "st"); if (res_32 != INT32_MIN) { printf("FAIL: fisttpl invalid\n"); ret = 1; } __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (0x1p100L) : "st"); if (res_64 != INT64_MIN) { printf("FAIL: fisttpll 0x1p100\n"); ret = 1; } __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (-0x1p100L) : "st"); if (res_64 != INT64_MIN) { printf("FAIL: fisttpll -0x1p100\n"); ret = 1; } __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (__builtin_infl()) : "st"); if (res_64 != INT64_MIN) { printf("FAIL: fisttpll inf\n"); ret = 1; } __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (-__builtin_infl()) : "st"); if (res_64 != INT64_MIN) { printf("FAIL: fisttpll -inf\n"); ret = 1; } __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (__builtin_nanl("")) : "st"); if (res_64 != INT64_MIN) { printf("FAIL: fisttpll nan\n"); ret = 1; } __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (-__builtin_nanl("")) : "st"); if (res_64 != INT64_MIN) { printf("FAIL: fisttpll -nan\n"); ret = 1; } __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (ld_invalid_1.ld) : "st"); if (res_64 != INT64_MIN) { printf("FAIL: fisttpll invalid\n"); ret = 1; } return ret; }