diff options
Diffstat (limited to 'sysdeps/ieee754/dbl-64/dla.h')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/dla.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/ieee754/dbl-64/dla.h b/sysdeps/ieee754/dbl-64/dla.h index d21c47a68f..5196759ca7 100644 --- a/sysdeps/ieee754/dbl-64/dla.h +++ b/sysdeps/ieee754/dbl-64/dla.h @@ -1,7 +1,7 @@ /* * IBM Accurate Mathematical Library * Written by International Business Machines Corp. - * Copyright (C) 2001-2016 Free Software Foundation, Inc. + * Copyright (C) 2001-2018 Free Software Foundation, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by @@ -57,6 +57,10 @@ z=(x)-(y); zz=(fabs(x)>fabs(y)) ? (((x)-(z))-(y)) : ((x)-((y)+(z))); +#ifdef __FP_FAST_FMA +# define DLA_FMS(x, y, z) __builtin_fma (x, y, -(z)) +#endif + /* Exact multiplication of two single-length floating point numbers, */ /* Veltkamp. The macro produces a double-length number (z,zz) that */ /* satisfies z+zz = x*y exactly. p,hx,tx,hy,ty are temporary */ |