gcc/testsuite/gcc.dg/guality/pr58791-4.c

   1 /* PR tree-optimization/58791 */
   2 /* { dg-do run } */
   3 /* { dg-options "-g -ffast-math" } */
   4
   5 #include "../nop.h"
   6
   7 __attribute__((noinline, noclone)) double
   8 foo (float a, float b, float c, float d, float l, double u)
   9 {
  10   float e = a * d;
  11   float f = d * e;
  12   double g = (double) f;
  13   double h = (double) b;
  14   double i = g * h;                     /* { dg-final { gdb-test pr58791-4.c:32 "i" "486" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */
  15   double i2 = i + 1.0;                  /* { dg-final { gdb-test pr58791-4.c:32 "i2" "487" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */
  16   double j = i * 3.25;
  17   double k = h + j;
  18   float m = l * 8.75;
  19   double n = (double) m;
  20   double o = (double) a;
  21   double p = n * o;
  22   double q = h * p;
  23   double r = q * 2.5;
  24   double s = k - r;
  25   double t = (double) c;
  26   double v = o * u;
  27   double w = o * v;
  28   double x = h * w;
  29   double y = h * x;
  30   double z = y * 8.5;
  31   asm volatile (NOP : : : "memory");
  32   asm volatile (NOP : : : "memory");
  33   return s - z;
  34 }
  35
  36 int
  37 main ()
  38 {
  39   foo (3.0f, 2.0f, -1.0f, 9.0f, 1.0f, 2.0);
  40   return 0;
  41 }