1/* Test that the compiler properly optimizes vector rotate instructions vector 2 into prot on XOP systems. */ 3 4/* { dg-do compile } */ 5/* { dg-require-effective-target lp64 } */ 6/* { dg-options "-O2 -mxop -ftree-vectorize" } */ 7 8extern void exit (int); 9 10typedef long __m128i __attribute__ ((__vector_size__ (16), __may_alias__)); 11 12#define SIZE 10240 13 14union { 15 __m128i i_align; 16 unsigned u32[SIZE]; 17} a, b, c; 18 19void 20left_rotate32 (void) 21{ 22 int i; 23 24 for (i = 0; i < SIZE; i++) 25 a.u32[i] = (b.u32[i] << ((sizeof (int) * 8) - 4)) | (b.u32[i] >> 4); 26} 27 28int 29main () 30{ 31 left_rotate32 (); 32 exit (0); 33} 34 35/* { dg-final { scan-assembler "vprotd" } } */ 36