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
This commit is contained in:
Nate Begeman 2005-09-06 15:30:48 +00:00
parent d401dff796
commit 92cce90c66

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@ -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.