// All MMX instructions will be generated via builtins. Any MMX vector
// types (<1 x i64>, <2 x i32>, etc.) that aren't used by these builtins will be
// expanded by the back-end.
-BUILTIN(_mm_prefetch, "vcC*i", "nc")
+BUILTIN(_mm_prefetch, "vvC*i", "nc")
BUILTIN(__builtin_ia32_emms, "v", "")
BUILTIN(__builtin_ia32_paddb, "V8cV8cV8c", "")
BUILTIN(__builtin_ia32_paddw, "V4sV4sV4s", "")
#include <mmintrin.h>
// Check to make sure that _mm_prefetch survives redeclaration.
-void _mm_prefetch(char const*, int);
+void _mm_prefetch(void const*, int);
void f(char *a) {
_mm_prefetch(a, 0);