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-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power6" } } */
   6 /* { dg-options "-std=gnu99 -O -mcpu=power6" } */
   7 /* { dg-final { scan-assembler-not "fneg" } } */
   8
   9 extern _Decimal32 a32, b32;
  10 extern _Decimal64 a64, b64;
  11 extern _Decimal128 a128, b128;
  12
  13 void
  14 foo32 (void)
  15 {
  16   b32 = a32 * -1.0DF;
  17 }
  18
  19 void
  20 foo64 (void)
  21 {
  22   b64 = a64 * -1.0DD;
  23 }
  24
  25 void
  26 foo128 (void)
  27 {
  28   b128 = a128 * -1.0DL;
  29 }