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
flt_mul_add(float a,float b,float c)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
dbl_mul_add(double a,double b,double c)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" } } */
38