Another todo entry.

llvm-svn: 75192
2009-07-09 23:17:28 +00:00 · 2009-07-09 23:17:28 +00:00 · ae4f2e142a
parent dc33ae27ed
commit ae4f2e142a
1 changed files with 5 additions and 0 deletions
--- a/llvm/lib/Target/ARM/README-Thumb.txt
+++ b/llvm/lib/Target/ARM/README-Thumb.txt
@ -232,3 +232,8 @@ Add ldmia, stmia support.
 Thumb load / store address mode offsets are scaled. The values kept in the
 instruction operands are pre-scale values. This probably ought to be changed
 to avoid extra work when we convert Thumb2 instructions to Thumb1 instructions.
+
+//===---------------------------------------------------------------------===//
+
+We need to make (some of the) Thumb1 instructions predicable. That will allow
+shrinking of predicated Thumb2 instructions.