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author | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2013-07-29 12:10:11 +0000 |
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committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2013-07-29 12:10:11 +0000 |
commit | 41b7ecb127b93b1aecc29a298ec21dc94603e6fa (patch) | |
tree | 287ce1cbf88caf973534715c7816d57b9089b265 /Changelog | |
parent | 4bf8b331372388dc9cb39154c986c918df9e071c (diff) | |
download | compcert-41b7ecb127b93b1aecc29a298ec21dc94603e6fa.tar.gz compcert-41b7ecb127b93b1aecc29a298ec21dc94603e6fa.zip |
Optimize integer divisions by positive constants, turning them into
multiply-high and shifts.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2300 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'Changelog')
-rw-r--r-- | Changelog | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -1,6 +1,8 @@ Development trunk: ================== +- Optimize integer divisions by positive constants, turning them into + multiply-high and shifts. - Avoid double rounding issues in conversion from 64-bit integers to single-precision floats. - PowerPC: more efficient implementation of division on 64-bit integers. |