1 /* { dg-do run } */ 2 /* { dg-require-effective-target ia32 } */ 3 /* { dg-require-effective-target sse2 } */ 4 /* { dg-options "-std=gnu99 -msse2 -mstackrealign -mpreferred-stack-boundary=4" } */ 5 6 #include "sse2-check.h" 7 8 #include <emmintrin.h> 9 10 __m128i __attribute__ ((__noinline__)) vector_using_function()11vector_using_function () 12 { 13 volatile __m128i vx; /* We want to force a vector-aligned store into the stack. */ 14 vx = _mm_xor_si128 (vx, vx); 15 return vx; 16 } 17 int __attribute__ ((__noinline__)) self_aligning_function(int x,int y)18self_aligning_function (int x, int y) 19 { 20 __m128i ignored = vector_using_function (); 21 return (x + y); 22 } 23 int g_1 = 20; 24 int g_2 = 22; 25 26 static void sse2_test(void)27sse2_test (void) 28 { 29 int result; 30 asm ("pushl %esi"); /* Disalign runtime stack. */ 31 result = self_aligning_function (g_1, g_2); 32 if (result != 42) 33 abort (); 34 asm ("popl %esi"); 35 } 36