/* { dg-do run } */ /* { dg-options "-std=gnu99 -fwrapv" } */ #include "fix-types.h" extern void abort (void); extern void exit (int); typedef unsigned _Fract fx_t; typedef unsigned _Sat _Fract satfx_t; typedef unsigned int intfx_t; US_LFUN (us_add, +, fx_t, ur, >) US_LFUN (us_sub, -, fx_t, ur, <) #define VAL(N, X) \ __attribute__((noinline,noclone)) \ satfx_t us_add2_##N (satfx_t a) \ { \ return us_add_ur (a, X##P##-##16ur); \ } \ __attribute__((noinline,noclone)) \ satfx_t us_add_##N (satfx_t a) \ { \ return a + X##P##-##16ur; \ } \ __attribute__((noinline,noclone)) \ satfx_t us_sub2_##N (satfx_t a) \ { \ return us_sub_ur (a, X##P##-##16ur); \ } \ __attribute__((noinline,noclone)) \ satfx_t us_sub_##N (satfx_t a) \ { \ return a - X##P##-##16ur; \ } #include "vals-ur.def" #undef VAL satfx_t (* __flash const fun[])(satfx_t) = { #define VAL(N, X) \ us_add_##N, us_add2_##N, \ us_sub_##N, us_sub2_##N, #include "vals-ur.def" #undef VAL }; const volatile __flash intfx_t vals[] = { 0, -1, 1, -2, 2, -127, -128, -129, 0x7f, 0x80, 0x81, 0x100, 0x4000, 0x3e80, 0x3f80, 0x7ffe, 0x7fff, 0x7f7f, 0x7f81, 0x7f80, 0x7f01, 0x8000, 0x8001, 0x8080, 0x8081, 0x80ff, 0x80fe, 0x8100, 0x8180, 0x817f, 0xff00, 0xff01, 0xff01, 0xff7f, 0xff80 }; int main (void) { for (unsigned int i = 0; i < sizeof (vals) / sizeof (*vals); i++) { satfx_t a, f1, f2; intfx_t val = vals[i]; __builtin_memcpy (&a, &val, sizeof (satfx_t)); for (unsigned int f = 0; f < sizeof (fun) / sizeof (*fun); f += 2) { if (fun[f](a) != fun[f+1](a)) abort(); } } exit (0); return 0; }