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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 | 1f253d6e97f6be21210d03b748c07954313605e3 (patch) | |
| tree | 6b789894a85a749afa86c3e2fedc50e528eafdf6 /lib | |
| parent | 7142f8755a07512d909d288f74a3f1ffa9c1411a (diff) | |
| download | external_llvm-1f253d6e97f6be21210d03b748c07954313605e3.zip external_llvm-1f253d6e97f6be21210d03b748c07954313605e3.tar.gz external_llvm-1f253d6e97f6be21210d03b748c07954313605e3.tar.bz2 | |
Update
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33998 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/README-Thumb.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/ARM/README-Thumb.txt b/lib/Target/ARM/README-Thumb.txt index 6c2cb71..af02417 100644 --- a/lib/Target/ARM/README-Thumb.txt +++ b/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. |