modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/930930-1.c (about) 1 __extension__ typedef __PTRDIFF_TYPE__ ptr_t; 2 ptr_t *wm_TR; 3 ptr_t *wm_HB; 4 ptr_t *wm_SPB; 5 6 ptr_t mem[100]; 7 8 f (mr_TR, mr_SPB, mr_HB, reg1, reg2) 9 ptr_t *mr_TR; 10 ptr_t *mr_SPB; 11 ptr_t *mr_HB; 12 ptr_t *reg1; 13 ptr_t *reg2; 14 { 15 ptr_t *x = mr_TR; 16 17 for (;;) 18 { 19 if (reg1 < reg2) 20 goto out; 21 if ((ptr_t *) *reg1 < mr_HB && (ptr_t *) *reg1 >= mr_SPB) 22 *--mr_TR = *reg1; 23 reg1--; 24 } 25 out: 26 27 if (x != mr_TR) 28 abort (); 29 } 30 31 main () 32 { 33 mem[99] = (ptr_t) mem; 34 f (mem + 100, mem + 6, mem + 8, mem + 99, mem + 99); 35 exit (0); 36 }