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\[lq\]?\[\\t \]*\\$-64,\[\\t \]*%\[re\]?sp" } } */
6 /* { dg-final { scan-assembler-not "and\[lq\]?\[\\t \]*\\$-128,\[\\t \]*%\[re\]?sp" } } */
7 /* { dg-skip-if "Options about stack-boundary aren't support" { x86_64-*-mingw* } } */
8 #include <stddef.h>
9 
10 #define ALIGNMENT 32
11 typedef int aligned __attribute__((aligned(ALIGNMENT)));
12 extern void abort(void);
13 
14 __attribute__ ((noinline))
check(void * a)15 void check(void * a)
16 {
17   if (((ptrdiff_t)a & (ALIGNMENT-1)) != 0)
18     abort();
19 }
20 
main()21 int main()
22 {
23   aligned a = 1;
24   check(&a);
25   return 0;
26 }
27