summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.target/i386/fma3-builtin.c
blob: ba8af5520e70497de3e09ddcb8c22d733827eb25 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
/* Test that the compiler properly generates floating point multiply
   and add instructions FMA3 systems.  */

/* { dg-do compile } */
/* { dg-require-effective-target lp64 } */
/* { dg-options "-O2 -mfma -mno-fma4" } */

#ifndef __FP_FAST_FMAF
# error "__FP_FAST_FMAF should be defined"
#endif
#ifndef __FP_FAST_FMA
# error "__FP_FAST_FMA should be defined"
#endif

float
flt_mul_add (float a, float b, float c)
{
  return __builtin_fmaf (a, b, c);
}

double
dbl_mul_add (double a, double b, double c)
{
  return __builtin_fma (a, b, c);
}

float
flt_mul_sub (float a, float b, float c)
{
  return __builtin_fmaf (a, b, -c);
}

double
dbl_mul_sub (double a, double b, double c)
{
  return __builtin_fma (a, b, -c);
}

float
flt_neg_mul_add_1 (float a, float b, float c)
{
  return __builtin_fmaf (-a, b, c);
}

double
dbl_neg_mul_add_1 (double a, double b, double c)
{
  return __builtin_fma (-a, b, c);
}

float
flt_neg_mul_add_2 (float a, float b, float c)
{
  return __builtin_fmaf (a, -b, c);
}

double
dbl_neg_mul_add_2 (double a, double b, double c)
{
  return __builtin_fma (a, -b, c);
}

float
flt_neg_mul_sub (float a, float b, float c)
{
  return __builtin_fmaf (-a, b, -c);
}

double
dbl_neg_mul_sub (double a, double b, double c)
{
  return __builtin_fma (-a, b, -c);
}

/* { dg-final { scan-assembler-times "vfmadd...ss" 1 } } */
/* { dg-final { scan-assembler-times "vfmadd...sd" 1 } } */
/* { dg-final { scan-assembler-times "vfmsub...ss" 1 } } */
/* { dg-final { scan-assembler-times "vfmsub...sd" 1 } } */
/* { dg-final { scan-assembler-times "vfnmadd...ss" 2 } } */
/* { dg-final { scan-assembler-times "vfnmadd...sd" 2 } } */
/* { dg-final { scan-assembler-times "vfnmsub...ss" 1 } } */
/* { dg-final { scan-assembler-times "vfnmsub...sd" 1 } } */