diff options
| author | Nate Begeman <natebegeman@mac.com> | 2005-09-06 15:30:48 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2005-09-06 15:30:48 +0000 |
| commit | 92cce90c66f9b231275db210f1df97efe21c2dd5 (patch) | |
| tree | ed3dea2167de7b37cbf572adb9dc948fb43c1535 | |
| parent | d401dff7966ca3ac644cddcda4f1e6d30074923e (diff) | |
Add note about future optimization noted in the ppc compiler writer's guide
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23245 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/PowerPC/README.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/README.txt b/lib/Target/PowerPC/README.txt index ffc4d0b4bc..c6c59560eb 100644 --- a/lib/Target/PowerPC/README.txt +++ b/lib/Target/PowerPC/README.txt @@ -101,3 +101,7 @@ off of the register to avoid the lis's. This is even more important in PIC mode. ===-------------------------------------------------------------------------=== + +Implement Newton-Rhapson method for improving estimate instructions to the +correct accuracy, and implementing divide as multiply by reciprocal when it has +more than one use. Itanium will want this too. |