Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.c-torture/execute/pr41239.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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/* PR rtl-optimization/41239 */ struct S { short nargs; unsigned long arg[2]; }; extern void abort (void); extern void exit (int); extern char fn1 (int, const char *, int, const char *, const char *); extern void fn2 (int, ...); extern int fn3 (int); extern int fn4 (const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); unsigned long test (struct S *x) { signed int arg1 = x->arg[0]; long int arg2 = x->arg[1]; if (arg2 == 0) (fn1 (20, "foo", 924, __func__, ((void *) 0)) ? (fn2 (fn3 (0x2040082), fn4 ("division by zero"))) : (void) 0); return (long int) arg1 / arg2; } int main (void) { struct S s = { 2, { 5, 0 } }; test (&s); abort (); } __attribute__((noinline)) char fn1 (int x, const char *y, int z, const char *w, const char *v) { asm volatile ("" : : "r" (w), "r" (v) : "memory"); asm volatile ("" : "+r" (x) : "r" (y), "r" (z) : "memory"); return x; } __attribute__((noinline)) int fn3 (int x) { asm volatile ("" : "+r" (x) : : "memory"); return x; } __attribute__((noinline)) int fn4 (const char *x, ...) { asm volatile ("" : "+r" (x) : : "memory"); return *x; } __attribute__((noinline)) void fn2 (int x, ...) { asm volatile ("" : "+r" (x) : : "memory"); if (x) /* Could be a longjmp or throw too. */ exit (0); }