diff options
| -rw-r--r-- | llvm/lib/Target/ARM/README-Thumb.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/README-Thumb.txt b/llvm/lib/Target/ARM/README-Thumb.txt index 4da1876637c..63bc004552c 100644 --- a/llvm/lib/Target/ARM/README-Thumb.txt +++ b/llvm/lib/Target/ARM/README-Thumb.txt @@ -167,3 +167,8 @@ LPC0: cpy r3, r6 cpy lr, pc bx r5 + +//===---------------------------------------------------------------------===// + +Make register allocator / spiller smarter so we can re-materialize "mov r, imm", +etc. Almost all Thumb instructions clobber condition code. |
