gcc/testsuite/gcc.target/powerpc/pr39902-2.c

   1 /* Check that simplification "x*(-1)" -> "-x" is not performed for decimal
   2    float types.  */
   3
   4 /* { dg-do compile { target { powerpc*-*-linux* && powerpc_fprs } } } */
   5 /* { dg-options "-std=gnu99 -O -mdejagnu-cpu=power6" } */
   6 /* { dg-final { scan-assembler-not "fneg" } } */
   7
   8 extern _Decimal32 a32, b32;
   9 extern _Decimal64 a64, b64;
  10 extern _Decimal128 a128, b128;
  11
  12 void
  13 foo32 (void)
  14 {
  15   b32 = a32 * -1.0DF;
  16 }
  17
  18 void
  19 foo64 (void)
  20 {
  21   b64 = a64 * -1.0DD;
  22 }
  23
  24 void
  25 foo128 (void)
  26 {
  27   b128 = a128 * -1.0DL;
  28 }