libmvec: further unifdef'ing (LIBMVEC_SO_BUILD)

*** 27,74 ****
   * Use is subject to license terms.
   */
  
  extern void __vsqrtf(int, float *, int, float *, int);
  
- #if !defined(LIBMVEC_SO_BUILD)
- #if defined(ARCH_v8plusa) || defined(ARCH_v8plusb) || defined(ARCH_v9a) || defined(ARCH_v9b)
- #define CHECK_ULTRA3
- #endif
- #endif  /* !defined(LIBMVEC_SO_BUILD) */
- 
- #ifdef CHECK_ULTRA3
- #include <strings.h>
- #define sysinfo _sysinfo
- #include <sys/systeminfo.h>
- 
- #define BUFLEN  257
- 
- static int use_ultra3 = 0;
- 
- extern void __vsqrtf_ultra3(int, float *, int, float *, int);
- #endif
- 
  #pragma weak vsqrtf_ = __vsqrtf_
  
  /* just invoke the serial function */
  void
  __vsqrtf_(int *n, float *x, int *stridex, float *y, int *stridey)
  {
- #ifdef CHECK_ULTRA3
-         int             u;
-         char    buf[BUFLEN];
- 
-         u = use_ultra3;
-         if (!u) {
-                 /* use __vsqrtf_ultra3 on Cheetah (and ???) */
-                 if (sysinfo(SI_ISALIST, buf, BUFLEN) > 0 && !strncmp(buf, "sparcv9+vis2", 12))
-                         u = 3;
-                 else
-                         u = 1;
-                 use_ultra3 = u;
-         }
-         if (u & 2)
-                 __vsqrtf_ultra3(*n, x, *stridex, y, *stridey);
-         else
- #endif
          __vsqrtf(*n, x, *stridex, y, *stridey);
  }
--- 27,39 ----