Update PPC readme. Remove things that are done or aren't ppc specific

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21232 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/README.txt b/lib/Target/PowerPC/README.txt
index 9c7e9e609b82e414712991d4175493f3464da176..a7bf77154f18568297e83142c13e4c8c091872c9 100644 (file)
--- a/lib/Target/PowerPC/README.txt
+++ b/lib/Target/PowerPC/README.txt
@@ -1,12 +1,8 @@
 TODO:
-* poor switch statement codegen
-* load/store to alloca'd array or struct.
-* implement not-R0 register GPR class
-* implement scheduling info
-* implement do-loop pass
+* condition register allocation
+* gpr0 allocation
 * implement do-loop -> bdnz transform
 * implement powerpc-64 for darwin
-* implement powerpc-64 for aix
 * use stfiwx in float->int
 * should hint to the branch select pass that it doesn't need to print the
   second unconditional branch, so we don't end up with things like: