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 /* { dg-skip-if "Options about stack-boundary aren't support" { x86_64-*-mingw* } } */
8 
9 #include <stddef.h>
10 
11 #define ALIGNMENT 128
12 
13 typedef int aligned __attribute__((aligned(ALIGNMENT)));
14 extern void abort(void);
15 
16 __attribute__ ((noinline))
check(void * a)17 void check(void * a)
18 {
19   if (((ptrdiff_t)a & (ALIGNMENT-1)) != 0)
20     abort();
21 }
22 
main()23 int main()
24 {
25   aligned a = 1;
26   check(&a);
27   return 0;
28 }
29