diff options
Diffstat (limited to 'test/regression/builtins-riscV.c')
| -rw-r--r-- | test/regression/builtins-riscV.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/regression/builtins-riscV.c b/test/regression/builtins-riscV.c new file mode 100644 index 00000000..a302a6c4 --- /dev/null +++ b/test/regression/builtins-riscV.c @@ -0,0 +1,30 @@ +/* Fun with builtins */ + +#include <stdio.h> + +int main(int argc, char ** argv) +{ + unsigned int x = 0x12345678; + unsigned short s = 0x1234; + unsigned long long zz = 0x123456789ABCDEF0ULL; + double a = 3.14159; + double b = 2.718; + double c = 1.414; + + printf("bswap16(%x) = %x\n", s, __builtin_bswap16(s)); + printf("bswap32(%x) = %x\n", x, __builtin_bswap32(x)); + printf("bswap64(%llx) = %llx\n", zz, __builtin_bswap64(zz)); + printf("fmadd(%f, %f, %f) = %f\n", a, b, c, __builtin_fmadd(a, b, c)); + printf("fmsub(%f, %f, %f) = %f\n", a, b, c, __builtin_fmsub(a, b, c)); + printf("fnmadd(%f, %f, %f) = %f\n", a, b, c, __builtin_fnmadd(a, b, c)); + printf("fnmsub(%f, %f, %f) = %f\n", a, b, c, __builtin_fnmsub(a, b, c)); + printf("fabs(%f) = %f\n", a, __builtin_fabs(a)); + printf("fabs(%f) = %f\n", -a, __builtin_fabs(-a)); + printf("fsqrt(%f) = %f\n", a, __builtin_fsqrt(a)); + printf("fmax(%f, %f) = %f\n", a, b, __builtin_fmax(a, b)); + printf("fmin(%f, %f) = %f\n", a, b, __builtin_fmin(a, b)); + /* Make sure that ignoring the result of a builtin + doesn't cause an internal error */ + (void) __builtin_fsqrt(a); + return 0; +} |