1/* Test for stack alignment when PREFERRED_STACK_BOUNDARY < alignment 2 of local variable. */ 3/* { dg-do compile } */ 4/* { dg-options "-O2 -mpreferred-stack-boundary=6 -mincoming-stack-boundary=6" } */ 5/* { dg-final { scan-assembler "and\[lq\]?\[\\t \]*\\$-128,\[\\t \]*%\[re\]?sp" } } */ 6/* { dg-final { scan-assembler-not "and\[lq\]?\[\\t \]*\\$-64,\[\\t \]*%\[re\]?sp" } } */ 7 8#include <stddef.h> 9 10#define ALIGNMENT 128 11typedef int aligned __attribute__((aligned(ALIGNMENT))); 12extern void abort(void); 13 14__attribute__ ((noinline)) 15void check(void * a) 16{ 17 if (((ptrdiff_t)a & (ALIGNMENT-1)) != 0) 18 abort(); 19} 20 21int main() 22{ 23 aligned a = 1; 24 check(&a); 25 return 0; 26} 27