1 /* { dg-do compile } */ 2 /* { dg-require-effective-target ssse3 } */ 3 /* { dg-options "-O2 -fpic -mssse3" } */ 4 /* { dg-final { scan-assembler-not "pshufb\[ \t\]\\(%esp\\)" } } */ 5 #include <immintrin.h> 6 7 extern const signed char c[31] __attribute__((visibility("hidden"))); 8 f(__m128i * x,void * v)9__m128i f(__m128i *x, void *v) 10 { 11 int i; 12 asm("# %0" : "=r"(i)); 13 __m128i t = _mm_loadu_si128((void*)&c[i]); 14 __m128i xx = *x; 15 xx = _mm_shuffle_epi8(xx, t); 16 asm("# %0 %1 %2" : "+x"(xx) : "r"(c), "r"(i)); 17 return xx; 18 } 19