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author | Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com> | 2016-06-27 16:03:10 -0300 |
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committer | Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com> | 2016-06-30 14:56:14 -0300 |
commit | 35da2541c382d1d4b7c9a15049a3cd1c7a6863a3 (patch) | |
tree | 39f2d5f579d68b7aa495a67598c7842bf2458db1 /sysdeps/powerpc/fpu | |
parent | 9765ffa71030efd8bb4f2ea4ed6e020fcb4bb714 (diff) | |
download | glibc-35da2541c382d1d4b7c9a15049a3cd1c7a6863a3.tar.gz glibc-35da2541c382d1d4b7c9a15049a3cd1c7a6863a3.tar.xz glibc-35da2541c382d1d4b7c9a15049a3cd1c7a6863a3.zip |
powerpc: Add a POWER8-optimized version of expf()
This implementation is based on the one already used at sysdeps/x86_64/fpu/e_expf.S. This implementation improves the performance by ~14% on average in synthetic benchmarks at the cost of decreasing accuracy to 1 ULP.
Diffstat (limited to 'sysdeps/powerpc/fpu')
-rw-r--r-- | sysdeps/powerpc/fpu/libm-test-ulps | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/libm-test-ulps b/sysdeps/powerpc/fpu/libm-test-ulps index f918f52fd3..7f37c813d0 100644 --- a/sysdeps/powerpc/fpu/libm-test-ulps +++ b/sysdeps/powerpc/fpu/libm-test-ulps @@ -1588,8 +1588,10 @@ ildouble: 2 ldouble: 2 Function: "exp_upward": +float: 1 double: 1 idouble: 1 +ifloat: 1 ildouble: 1 ldouble: 1 |