1 /* { dg-do run } */
2 /* { dg-options "-std=gnu99 -msse2 -mpreferred-stack-boundary=4" } */
3 /* { dg-require-effective-target sse2 } */
4 
5 #include "sse2-check.h"
6 
7 #include <emmintrin.h>
8 
9 #ifdef __x86_64__
10 # define PUSH "pushq %rsi"
11 # define POP "popq %rsi"
12 #else
13 # define PUSH "pushl %esi"
14 # define POP "popl %esi"
15 #endif
16 
17 __m128i __attribute__ ((__noinline__))
vector_using_function()18 vector_using_function ()
19 {
20   volatile __m128i vx;	/* We want to force a vector-aligned store into the stack.  */
21   vx = _mm_xor_si128 (vx, vx);
22   return vx;
23 }
24 int __attribute__ ((__noinline__, __force_align_arg_pointer__))
self_aligning_function(int x,int y)25 self_aligning_function (int x, int y)
26 {
27   __m128i ignored = vector_using_function ();
28   return (x + y);
29 }
30 int g_1 = 20;
31 int g_2 = 22;
32 
33 static void
sse2_test(void)34 sse2_test (void)
35 {
36   int result;
37   asm (PUSH);                  /* Misalign runtime stack.  */
38   result = self_aligning_function (g_1, g_2);
39   if (result != 42)
40     abort ();
41   asm (POP);
42 }
43