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author | Raphael Moreira Zinsly <rzinsly@linux.ibm.com> | 2020-03-20 17:52:28 -0300 |
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committer | Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com> | 2020-03-30 18:04:27 -0300 |
commit | 66807aebadc4a8cf62a9593ab3f714f971366907 (patch) | |
tree | 0539c8f87d385be9871530da3795151cec0c7a5b /sysdeps/powerpc/powerpc64/le/power9 | |
parent | 1a044511a3f9020c3f430164e0a6a77426fecd7e (diff) | |
download | glibc-66807aebadc4a8cf62a9593ab3f714f971366907.tar.gz glibc-66807aebadc4a8cf62a9593ab3f714f971366907.tar.xz glibc-66807aebadc4a8cf62a9593ab3f714f971366907.zip |
powerpc: Add support for fmaf128() in hardware
Adds a POWER9 version of fmaf128 that uses the xsmaddqp instruction. Co-authored-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/powerpc/powerpc64/le/power9')
-rw-r--r-- | sysdeps/powerpc/powerpc64/le/power9/fpu/s_fmaf128.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/le/power9/fpu/s_fmaf128.c b/sysdeps/powerpc/powerpc64/le/power9/fpu/s_fmaf128.c new file mode 100644 index 0000000000..f02e810fb9 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power9/fpu/s_fmaf128.c @@ -0,0 +1,36 @@ +/* Compute x * y + z as a ternary operation for _Float128. POWER9 version. + Copyright (C) 2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <libm-alias-float128.h> + +__float128 +__fmaf128 (__float128 x, __float128 y, __float128 z) +{ + return x * y + z; +} + +libm_alias_float128 (__fma, fma) |