| /* Test for stack alignment when PREFERRED_STACK_BOUNDARY < alignment |
| of local variable. */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -mpreferred-stack-boundary=6 -mincoming-stack-boundary=6" } */ |
| /* { dg-final { scan-assembler "and\[lq\]?\[\\t \]*\\$-128,\[\\t \]*%\[re\]?sp" } } */ |
| /* { dg-final { scan-assembler-not "and\[lq\]?\[\\t \]*\\$-64,\[\\t \]*%\[re\]?sp" } } */ |
| /* { dg-skip-if "Options about stack-boundary aren't support" { x86_64-*-mingw* } } */ |
| |
| #include <stddef.h> |
| |
| #define ALIGNMENT 128 |
| |
| typedef int aligned __attribute__((aligned(ALIGNMENT))); |
| extern void abort(void); |
| |
| __attribute__ ((noinline)) |
| void check(void * a) |
| { |
| if (((ptrdiff_t)a & (ALIGNMENT-1)) != 0) |
| abort(); |
| } |
| |
| int main() |
| { |
| aligned a = 1; |
| check(&a); |
| return 0; |
| } |
