/* { dg-do run } */ /* { dg-options "-std=gnu99 -msse2 -mpreferred-stack-boundary=4" } */ /* { dg-require-effective-target sse2 } */ #include "sse2-check.h" #include #ifdef __x86_64__ # define REG "rcx" # define WIDTH "q" #else # define REG "ecx" # define WIDTH "l" #endif __m128i __attribute__ ((__noinline__)) vector_using_function () { volatile __m128i vx; /* We want to force a vector-aligned store into the stack. */ vx = _mm_xor_si128 (vx, vx); return vx; } int __attribute__ ((__noinline__, __force_align_arg_pointer__)) self_aligning_function (int x, int y) { __m128i ignored = vector_using_function (); return (x + y); } int g_1 = 20; int g_2 = 22; static void __attribute__ ((__optimize__ ("-fno-omit-frame-pointer"))) sse2_test (void) { int result; register int __attribute__ ((__mode__ (__word__))) reg asm (REG); asm volatile ("push" WIDTH "\t%0" /* Disalign runtime stack. */ : : "r" (reg) : "memory"); result = self_aligning_function (g_1, g_2); if (result != 42) abort (); asm volatile ("pop" WIDTH "\t%0" : "=r" (reg)); }