gcc/testsuite/gcc.dg/lto/20100825-1_0.c

   1 /* { dg-lto-do link } */
   2 /* { dg-lto-options { { -O3 -flto } } } */
   3
   4 typedef unsigned int UINT32;
   5 typedef unsigned long long UINT64;
   6 typedef struct { UINT64 w[2]; } UINT128;
   7 void _bid_to_dpd128 (UINT128 *, UINT128 *);
   8 static const int short_recip_scale[] = {
   9   1,
  10   65 - 64,
  11   69 - 64,
  12   71 - 64,
  13   75 - 64,
  14   78 - 64,
  15   81 - 64,
  16   85 - 64,
  17   88 - 64,
  18   91 - 64,
  19   95 - 64,
  20   98 - 64,
  21   101 - 64,
  22   105 - 64,
  23   108 - 64,
  24   111 - 64,
  25   115 - 64,
  26   118 - 64
  27 };
  28
  29 void _bid_to_dpd128 (UINT128 *, UINT128 *);
  30
  31 void
  32 _bid_to_dpd128 (UINT128 *pres, UINT128 *px) {
  33   UINT128 res;
  34   unsigned int comb;
  35   UINT128 bcoeff;
  36   UINT128 BH;
  37   UINT64 BL, d109;
  38   unsigned int amount;
  39   UINT128 x = *px;
  40
  41   comb = (x.w[1] ) >> 46;
  42   if ((comb & 0x1e000) == 0x1e000) {
  43     res = x;
  44   } else {
  45     bcoeff.w[1] = (x.w[1] & 0x0001ffffffffffffull);
  46     bcoeff.w[0] = x.w[0];
  47     amount = 9;
  48     BH.w[0] = (BH.w[0] >> amount) | (BH.w[1] << (64 - amount));
  49     BL = bcoeff.w[0] - BH.w[0] * 1000000000000000000ull;
  50     d109 = 0x3333333333333334ull;
  51     { UINT64 CXH, CXL, CYH,CYL,PL,PH,PM,PM2; CXH = (BH.w[0]) >> 32; CXL = (UINT32)(BH.w[0]); CYH = (d109) >> 32; CYL = (UINT32)(d109); PM = CXH*CYL; PH = CXH*CYH; PL = CXL*CYL; PM2 = CXL*CYH; PH += (PM>>32); PM = (UINT64)((UINT32)PM)+PM2+(PL>>32); };
  52     { UINT64 CXH, CXL, CYH,CYL,PL,PH,PM,PM2; CXH = (BL) >> 32; CXL = (UINT32)(BL); CYH = (d109) >> 32; CYL = (UINT32)(d109); PM = CXH*CYL; PH = CXH*CYH; PL = CXL*CYL; PM2 = CXL*CYH; PH += (PM>>32); PM = (UINT64)((UINT32)PM)+PM2+(PL>>32);  };
  53   }
  54   *pres = res;
  55 }
  56
  57 int main() { return 0; }