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| author | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-07-20 15:20:51 -0500 |
|---|---|---|
| committer | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-08-31 10:38:11 -0500 |
| commit | 15089e046b6c71bbefe29687fe4c7e569c9e1c03 (patch) | |
| tree | 6e857cd8ec0519902d2e4cd16e4f31bda0402584 /sysdeps/ieee754/ldbl-128/math_ldbl.h | |
| parent | e9b424881a4f85284e56d8b561c54ff57a7c1c9b (diff) | |
| download | glibc-15089e046b6c71bbefe29687fe4c7e569c9e1c03.zip glibc-15089e046b6c71bbefe29687fe4c7e569c9e1c03.tar.gz glibc-15089e046b6c71bbefe29687fe4c7e569c9e1c03.tar.bz2 | |
ldbl-128: Rename 'long double' to '_Float128'
Add a layer of macro indirection for long double files
which need to be built using another typename. Likewise,
add the L(num) macro used in a later patch to override
real constants.
These macros are only defined through the ldbl-128
math_ldbl.h header, thereby implicitly restricting
these macros to machines which back long double
with an IEEE binary128 format.
Likewise, appropriate changes are made for the few
files which indirectly include such ldbl-128 files.
These changes produce identical binaries for s390x,
aarch64, and ppc64.
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/math_ldbl.h')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/math_ldbl.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128/math_ldbl.h b/sysdeps/ieee754/ldbl-128/math_ldbl.h index b3faa04..c1980c9 100644 --- a/sysdeps/ieee754/ldbl-128/math_ldbl.h +++ b/sysdeps/ieee754/ldbl-128/math_ldbl.h @@ -88,3 +88,11 @@ do { \ sh_u.value = (d); \ (v) = sh_u.parts64.lsw; \ } while (0) + +/* + On a platform already supporting a binary128 long double, + _Float128 will alias to long double. This transformation + makes aliasing *l functions to *f128 trivial. +*/ +#define _Float128 long double +#define L(x) x##L |