VEX/priv/host_amd64_maddf.c

   1
   2 /*---------------------------------------------------------------*/
   3 /*--- begin                                host_amd64_maddf.c ---*/
   4 /*---------------------------------------------------------------*/
   5
   6 /*
   7    Compute x * y + z as ternary operation with intrinsics.
   8 */
   9
  10
  11 #include "libvex_basictypes.h"
  12 #include "host_amd64_maddf.h"
  13
  14 #if defined(VGA_amd64)
  15 void VEX_REGPARM(3)
  16      h_amd64_calc_MAddF32_fma4 ( /*OUT*/Float* res,
  17                             Float* argX, Float* argY, Float* argZ )
  18 {
  19    __asm__ ("vfmaddss %3,%2,%1,%0;" :
  20             "=x"(*res): "x"(*argX),"x"(*argY), "x"(*argZ));
  21    return ;
  22 }
  23
  24 void VEX_REGPARM(3)
  25      h_amd64_calc_MAddF64_fma4 ( /*OUT*/Double* res,
  26                             Double* argX, Double* argY, Double* argZ )
  27 {
  28    __asm__ ("vfmaddsd %3,%2,%1,%0;" :
  29             "=x"(*res): "x"(*argX),"x"(*argY), "x"(*argZ));
  30    return;
  31 }
  32 #endif
  33 /*---------------------------------------------------------------*/
  34 /*--- end                                   host_amd64_maddf.c --*/
  35 /*---------------------------------------------------------------*/