gcc/testsuite/gcc.target/i386/funcspec-9.c

   1 /* Test whether using target specific options, we can generate FMA4 code.  */
   2 /* { dg-do compile } */
   3 /* { dg-skip-if "" { *-*-* } { "-march=*" } { "-march=k8" } } */
   4 /* { dg-options "-O2 -march=k8 -mfpmath=sse -msse2" } */
   5
   6 extern void exit (int);
   7
   8 #ifdef __FMA4__
   9 #warning "__FMA4__ should not be defined before #pragma GCC target."
  10 #endif
  11
  12 #pragma GCC push_options
  13 #pragma GCC target ("fma4")
  14
  15 #ifndef __FMA4__
  16 #warning "__FMA4__ should have be defined after #pragma GCC target."
  17 #endif
  18
  19 float
  20 flt_mul_add (float a, float b, float c)
  21 {
  22   return (a * b) + c;
  23 }
  24
  25 #pragma GCC pop_options
  26 #ifdef __FMA4__
  27 #warning "__FMA4__ should not be defined after #pragma GCC pop target."
  28 #endif
  29
  30 double
  31 dbl_mul_add (double a, double b, double c)
  32 {
  33   return (a * b) + c;
  34 }
  35
  36 /* { dg-final { scan-assembler "vfmaddss" } } */
  37 /* { dg-final { scan-assembler "addsd" } } */