1/* Test that the compiler properly optimizes vector rotate instructions vector 2 into prot on XOP systems. */ 3 4/* { dg-do compile { target { ! { ia32 } } } } */ 5/* { dg-options "-O2 -mxop -mno-avx2 -ftree-vectorize" } */ 6 7extern void exit (int); 8extern void right_rotate (void); 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 20right_rotate32_b (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 right_rotate (); 32 exit (0); 33} 34 35/* { dg-final { scan-assembler "vprot" } } */ 36