gcc/testsuite/gcc.target/aarch64/sve/loop_add_6.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-vectorize -fgimple -ffast-math" } */
   3
   4 double __GIMPLE (startwith("loop"))
   5 neg_xi (double *x)
   6 {
   7   int i;
   8   long unsigned int index;
   9   long unsigned int offset;
  10   double * xi_ptr;
  11   double xi;
  12   double neg_xi;
  13   double res;
  14   unsigned int ivtmp;
  15
  16  bb_1:
  17   goto bb_2;
  18
  19  bb_2:
  20   res_1 = __PHI (bb_1: 0.0, bb_3: res_2);
  21   i_4 = __PHI (bb_1: 0, bb_3: i_5);
  22   ivtmp_6 = __PHI (bb_1: 100U, bb_3: ivtmp_7);
  23   index = (long unsigned int) i_4;
  24   offset = index * 8UL;
  25   xi_ptr = x_8(D) + offset;
  26   xi = *xi_ptr;
  27   neg_xi = -xi;
  28   res_2 = neg_xi + res_1;
  29   i_5 = i_4 + 1;
  30   ivtmp_7 = ivtmp_6 - 1U;
  31   if (ivtmp_7 != 0U)
  32     goto bb_3;
  33   else
  34     goto bb_4;
  35
  36  bb_3:
  37   goto bb_2;
  38
  39  bb_4:
  40   res_3 = __PHI (bb_2: res_2);
  41   return res_3;
  42 }
  43
  44 /* { dg-final { scan-assembler {\tfsub\tz[0-9]+\.d, p[0-7]/m} } } */
  45 /* { dg-final { scan-assembler-not {\tsel\t} } } */
  46 /* { dg-final { scan-assembler-not {\tmovprfx\t} } } */