memcheck/tests/amd64/sh-mem-vec256.c

   1
   2 // Set up the 256-bit shadow memory test, by defining the
   3 // required vector-copy function, and then including the
   4 // template.
   5
   6 #define VECTOR_BYTES 32
   7
   8 static __attribute__((noinline))
   9 void vector_copy ( void* dst, void* src )
  10 {
  11   /* Note: Versions of GCC through 4.8.1 do not allow "ymm7" in the
  12      clobber list. (See http://stackoverflow.com/a/15767111/768469).
  13      Simulate it with "xmm7". */
  14   __asm__ __volatile__(
  15      "vmovupd (%1), %%ymm7 ; vmovupd %%ymm7, (%0)"
  16      : /*OUT*/ : /*IN*/ "r"(dst), "r"(src) : "memory","xmm7"
  17   );
  18 }
  19
  20 // Include the test body, which refers to the above function
  21 #include "../common/sh-mem-vec128.tmpl.c"