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| author | Evan Cheng <evan.cheng@apple.com> | 2007-02-07 08:37:57 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-02-07 08:37:57 +0000 |
| commit | 2ff0d3a2ab9e017553964734c20303973a4a4998 (patch) | |
| tree | d4a9ad4e5b59dab4cec0b9b80da72a13f35520b6 /llvm/lib | |
| parent | b5519b5361c0d7048d75165d0e280fb7bb073a52 (diff) | |
| download | bcm5719-llvm-2ff0d3a2ab9e017553964734c20303973a4a4998.tar.gz bcm5719-llvm-2ff0d3a2ab9e017553964734c20303973a4a4998.zip | |
Update
llvm-svn: 33998
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM/README-Thumb.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/README-Thumb.txt b/llvm/lib/Target/ARM/README-Thumb.txt index 6c2cb710ab3..af02417d125 100644 --- a/llvm/lib/Target/ARM/README-Thumb.txt +++ b/llvm/lib/Target/ARM/README-Thumb.txt @@ -141,3 +141,7 @@ cheaper sequnce if we know it's ok to clobber the condition register. add r2, sp, #255 * 4 add r2, #132 ldr r2, [r2, #7 * 4] + +This is especially bad when dynamic alloca is used. The all fixed size stack +objects are referenced off the frame pointer with negative offsets. See +oggenc for an example. |
