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| author |   Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-08-09 16:48:54 -0500 |
|---|---|---|
| committer |   Gabriel F. T. Gomes <gftg@linux.vnet.ibm.com> | 2017-06-26 15:04:47 -0300 |
| commit | f819dbea0a58270293c49b514b64848c6e84fda1 (patch) | |
| tree | 8445824e54752726301e6d4c8d906bd3273451d0 /manual | |
| parent | powerpc64le: Require at least POWER8 for powerpc64le (diff) | |
| download | glibc-f819dbea0a58270293c49b514b64848c6e84fda1.tar.gz glibc-f819dbea0a58270293c49b514b64848c6e84fda1.tar.bz2 glibc-f819dbea0a58270293c49b514b64848c6e84fda1.zip | |
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 'manual')
| -rw-r--r-- | manual/math.texi | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/manual/math.texi b/manual/math.texi index a8e16885cd..275b72bf33 100644 --- a/manual/math.texi +++ b/manual/math.texi @@ -66,7 +66,8 @@ these functions are described along with the @code{double}, @w{ISO/IEC TS 18661-3}, unless explicitly stated otherwise. Currently, support for @code{_Float@var{N}} or @code{_Float@var{N}x} -types is not provided for any machine. +types is only provided for @code{_Float128} on powerpc64le (PowerPC +64-bits little-endian). @menu * Mathematical Constants:: Precise numeric values for often-used |