gcc/testsuite/gcc.target/arm/copysign_softfloat_1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target arm_thumb2_ok } */
   3 /* { dg-additional-options "-mthumb -O2 --save-temps" } */
   4
   5 extern void abort (void);
   6
   7 #define N 16
   8
   9 float a_f[N] = {-0.1f, -3.2f, -6.3f, -9.4f,
  10                 -12.5f, -15.6f, -18.7f, -21.8f,
  11                 24.9f, 27.1f, 30.2f, 33.3f,
  12                 36.4f, 39.5f, 42.6f, 45.7f};
  13
  14 float b_f[N] = {-1.2f, 3.4f, -5.6f, 7.8f,
  15                 -9.0f, 1.0f, -2.0f, 3.0f,
  16                 -4.0f, -5.0f, 6.0f, 7.0f,
  17                 -8.0f, -9.0f, 10.0f, 11.0f};
  18
  19 float c_f[N] = {-0.1f, 3.2f, -6.3f, 9.4f,
  20                 -12.5f, 15.6f, -18.7f, 21.8f,
  21                 -24.9f, -27.1f, 30.2f, 33.3f,
  22                 -36.4f, -39.5f, 42.6f, 45.7f};
  23
  24 double a_d[N] = {-0.1, -3.2, -6.3, -9.4,
  25                  -12.5, -15.6, -18.7, -21.8,
  26                  24.9, 27.1, 30.2, 33.3,
  27                  36.4, 39.5, 42.6, 45.7};
  28
  29 double b_d[N] = {-1.2, 3.4, -5.6, 7.8,
  30                  -9.0, 1.0, -2.0, 3.0,
  31                  -4.0, -5.0, 6.0, 7.0,
  32                  -8.0, -9.0, 10.0, 11.0};
  33
  34 double c_d[N] = {-0.1, 3.2, -6.3, 9.4,
  35                  -12.5, 15.6, -18.7, 21.8,
  36                  -24.9, -27.1, 30.2, 33.3,
  37                  -36.4, -39.5, 42.6, 45.7};
  38
  39 int
  40 main (int argc, char **argv)
  41 {
  42   int index = 0;
  43
  44 /* { dg-final { scan-assembler-times "bfi" 2 { target arm_softfloat } } } */
  45 /* { dg-final { scan-assembler-times "lsr" 1 { target arm_softfloat } } } */
  46   for (index; index < N; index++)
  47     {
  48       if (__builtin_copysignf (a_f[index], b_f[index]) != c_f[index])
  49         abort();
  50     }
  51
  52   for (index = 0; index < N; index++)
  53     {
  54       if (__builtin_copysign (a_d[index], b_d[index]) != c_d[index])
  55         abort();
  56     }
  57
  58   return 0;
  59 }
  60