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| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2015-03-10 09:38:54 -0400 |
|---|---|---|
| committer | Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com> | 2015-03-13 13:43:50 -0300 |
| commit | ae75fdc50acbdcf5bfda6c3151c537f2ab8ce637 (patch) | |
| tree | 3055cafc9fabc6d80dfbc681c0d6fdb989a04e27 | |
| parent | 47cb886328acf41612165a93e05af3db3d20ee17 (diff) | |
| download | glibc-ae75fdc50acbdcf5bfda6c3151c537f2ab8ce637.tar.gz glibc-ae75fdc50acbdcf5bfda6c3151c537f2ab8ce637.tar.xz glibc-ae75fdc50acbdcf5bfda6c3151c537f2ab8ce637.zip | |
powerpc: Fix incorrect results for pow when using FMA
This patch adds no FMA generation for e_pow to avoid precision issues for powerpc. This fixes BZ#18104.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | sysdeps/ieee754/dbl-64/Makefile | 1 |
3 files changed, 7 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index a7b9df12dc..f856a8aca2 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2015-03-10 Adhemerval Zanella <azanella@linux.vnet.ibm.com> + + * sysdeps/ieee754/dbl-64/Makefile (CFLAGS-e_pow.c): Add + $(config-cflags-nofma). + 2015-02-23 Paul Pluzhnikov <ppluzhnikov@google.com> [BZ #16618] diff --git a/NEWS b/NEWS index 4f7d68f696..60ece7dab6 100644 --- a/NEWS +++ b/NEWS @@ -9,7 +9,7 @@ Version 2.20.1 * The following bugs are resolved with this release: - 16617, 16618, 17266, 17370, 17371, 17625, 17630. + 16617, 16618, 17266, 17370, 17371, 17625, 17630, 18104. * Added support for TSX lock elision of pthread mutexes on powerpc32, powerpc64 and powerpc64le. This may improve lock scaling of existing programs on diff --git a/sysdeps/ieee754/dbl-64/Makefile b/sysdeps/ieee754/dbl-64/Makefile index 35f545ff8e..5557c75b45 100644 --- a/sysdeps/ieee754/dbl-64/Makefile +++ b/sysdeps/ieee754/dbl-64/Makefile @@ -2,4 +2,5 @@ ifeq ($(subdir),math) # branred depends on precise IEEE double rounding CFLAGS-branred.c = $(config-cflags-nofma) CFLAGS-e_sqrt.c = $(config-cflags-nofma) +CFLAGS-e_pow.c = $(config-cflags-nofma) endif |