1/* PR target/59644 */ 2/* { dg-do run { target lp64 } } */ 3/* { dg-options "-O2 -ffreestanding -mno-sse -mpreferred-stack-boundary=3 -maccumulate-outgoing-args -mno-red-zone" } */ 4 5/* This test uses __builtin_trap () instead of e.g. abort, 6 because due to -mpreferred-stack-boundary=3 it should not call 7 any library function from within main (). */ 8 9#include <stdarg.h> 10 11__attribute__((noinline, noclone)) 12int 13bar (int x, int y, int z, int w, const char *fmt, va_list ap) 14{ 15 if (x != 1 || y != 2 || z != 3 || w != 4) 16 __builtin_trap (); 17 if (fmt[0] != 'f' || fmt[1] != 'o' || fmt[2] != 'o' || fmt[3]) 18 __builtin_trap (); 19 if (va_arg (ap, int) != 5 || va_arg (ap, int) != 6 20 || va_arg (ap, long long) != 7LL) 21 __builtin_trap (); 22 return 9; 23} 24 25__attribute__((noinline, noclone, optimize ("Os"))) 26int 27foo (const char *fmt, ...) 28{ 29 va_list ap; 30 va_start (ap, fmt); 31 int r = bar (1, 2, 3, 4, fmt, ap); 32 va_end (ap); 33 return r; 34} 35 36int 37main () 38{ 39 if (foo ("foo", 5, 6, 7LL) != 9) 40 __builtin_trap (); 41 return 0; 42} 43