| // REQUIRES: target-is-powerpc64le |
| // RUN: %clang_builtins %s %librt -o %t && %run %t |
| |
| #include <stdint.h> |
| #include <stdio.h> |
| |
| #include "fixunstfti_test.h" |
| |
| /* The long double representation, with the high and low portions of |
| * the long double, and the corresponding bit patterns of each double. */ |
| typedef union { |
| long double ld; |
| double d[2]; /* [0] is the high double, [1] is the low double. */ |
| unsigned long long ull[2]; /* High and low doubles as 64-bit integers. */ |
| } ldUnion; |
| |
| __uint128_t __fixunstfti(long double); |
| |
| int main(int argc, char *argv[]) { |
| /* Necessary long double and (unsigned) 128 bit integer |
| * declarations used to compare the computed and expected results |
| * from converting the IBM double-double to int128. */ |
| ldUnion ldInput; |
| __uint128_t expectedResult, computedResult; |
| |
| for (int i = 0; i < numTests; ++i) { |
| /* Set the expected 128 bit integer and the high and low |
| * values of the long double input. */ |
| ldInput.d[0] = testList[i].hiInput; |
| ldInput.d[1] = testList[i].loInput; |
| expectedResult = testList[i].result128; |
| |
| /* Get the computed 128 bit integer from the long double-> |
| * uint128 conversion, and check for errors between results. */ |
| computedResult = __fixunstfti(ldInput.ld); |
| |
| if (computedResult != expectedResult) { |
| printf("Error for __fixunstfti at input %La = ( %a , %a ):\n", ldInput.ld, |
| ldInput.d[0], ldInput.d[1]); |
| printf("\tExpected __uint128_t: 0x%016llx 0x%016llx\n", |
| (unsigned long long)(expectedResult >> 64), |
| (unsigned long long)expectedResult); |
| printf("\tComputed __uint128_t: 0x%016llx 0x%016llx\n\n", |
| (unsigned long long)(computedResult >> 64), |
| (unsigned long long)computedResult); |
| |
| return 1; |
| } |
| } |
| |
| return 0; |
| } |