/* { dg-options "-O3 -maltivec" } */ /* { dg-require-effective-target powerpc_altivec } */ /* Check vectorizer can exploit vector rotation instructions on Power, mainly for the case rotation count is const number. Check for instructions vrlb/vrlh/vrlw only available if altivec supported. */ #define N 256 unsigned int suw[N], ruw[N]; unsigned short suh[N], ruh[N]; unsigned char sub[N], rub[N]; void testUW () { for (int i = 0; i < 256; ++i) ruw[i] = (suw[i] >> 8) | (suw[i] << (sizeof (suw[0]) * 8 - 8)); } void testUH () { for (int i = 0; i < 256; ++i) ruh[i] = (unsigned short) (suh[i] >> 9) | (unsigned short) (suh[i] << (sizeof (suh[0]) * 8 - 9)); } void testUB () { for (int i = 0; i < 256; ++i) rub[i] = (unsigned char) (sub[i] >> 5) | (unsigned char) (sub[i] << (sizeof (sub[0]) * 8 - 5)); } /* { dg-final { scan-assembler {\mvrlw\M} } } */ /* { dg-final { scan-assembler {\mvrlh\M} } } */ /* { dg-final { scan-assembler {\mvrlb\M} } } */