diff options
Diffstat (limited to 'lib/Target/ARM/README.txt')
-rw-r--r-- | lib/Target/ARM/README.txt | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Target/ARM/README.txt b/lib/Target/ARM/README.txt index fb64d9f..11c48ad 100644 --- a/lib/Target/ARM/README.txt +++ b/lib/Target/ARM/README.txt @@ -321,7 +321,7 @@ time. 4) Once we added support for multiple result patterns, write indexed loads patterns instead of C++ instruction selection code. -5) Use FLDM / FSTM to emulate indexed FP load / store. +5) Use VLDM / VSTM to emulate indexed FP load / store. //===---------------------------------------------------------------------===// @@ -591,3 +591,8 @@ http://lists.cs.uiuc.edu/pipermail/llvmdev/2009-June/022763.html //===---------------------------------------------------------------------===// Make use of the "rbit" instruction. + +//===---------------------------------------------------------------------===// + +Take a look at test/CodeGen/Thumb2/machine-licm.ll. ARM should be taught how +to licm and cse the unnecessary load from cp#1. |