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author | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-08-09 16:48:54 -0500 |
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committer | Gabriel F. T. Gomes <gftg@linux.vnet.ibm.com> | 2017-06-26 15:04:47 -0300 |
commit | f819dbea0a58270293c49b514b64848c6e84fda1 (patch) | |
tree | 8445824e54752726301e6d4c8d906bd3273451d0 /sysdeps/powerpc/powerpc64le/power9/fpu/e_sqrtf128.c | |
parent | a27d2c19355a15569dfcdd5da741b57acf1a106a (diff) | |
download | glibc-f819dbea0a58270293c49b514b64848c6e84fda1.zip glibc-f819dbea0a58270293c49b514b64848c6e84fda1.tar.gz glibc-f819dbea0a58270293c49b514b64848c6e84fda1.tar.bz2 |
powerpc64le: Enable float128
This patch adds ULPs for the float128 type, updates the abilist for libc
and libm, and adds the files bits/floatn.h and float128-abi.h, in order to
enable the new type for powerpc64le.
This patch also adds the implementation of sqrtf128 for powerpc64le, since
it is not implemented in libgcc. The sfp-machine.h header is taken from
libgcc.
Tested for powerpc64le (GCC 6.2 and GCC 7.1), powerpc64 and s390x.
* manual/math.texi (Mathematics): Mention the enabling of float128
for powerpc64le.
* sysdeps/powerpc/bits/floatn.h: New file.
* sysdeps/powerpc/fpu/libm-test-ulps: Regenerated.
* sysdeps/powerpc/fpu/math_private.h:
(__ieee754_sqrtf128): New inline override.
* sysdeps/powerpc/powerpc64le/Implies-before: New file.
* sysdeps/powerpc/powerpc64le/Makefile: New file.
* sysdeps/powerpc/powerpc64le/fpu/e_sqrtf128.c: New file.
* sysdeps/powerpc/powerpc64le/fpu/sfp-machine.h: New file.
* sysdeps/powerpc/powerpc64le/power9/fpu/e_sqrtf128.c: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist:
Updated.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64le/float128-abi.h:
New file.
Diffstat (limited to 'sysdeps/powerpc/powerpc64le/power9/fpu/e_sqrtf128.c')
-rw-r--r-- | sysdeps/powerpc/powerpc64le/power9/fpu/e_sqrtf128.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64le/power9/fpu/e_sqrtf128.c b/sysdeps/powerpc/powerpc64le/power9/fpu/e_sqrtf128.c new file mode 100644 index 0000000..769d3f8 --- /dev/null +++ b/sysdeps/powerpc/powerpc64le/power9/fpu/e_sqrtf128.c @@ -0,0 +1,36 @@ +/* POWER9 sqrt for _Float128 + Return sqrt(a) + Copyright (C) 2017 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/>. */ + +__float128 +__ieee754_sqrtf128 (__float128 a) +{ + __float128 z; + asm ("xssqrtqp %0,%1" : "=wq" (z) : "wq" (a)); + return z; +} +strong_alias (__ieee754_sqrtf128, __sqrtf128_finite) |