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| author | Evan Cheng <evan.cheng@apple.com> | 2009-07-25 00:39:37 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-07-25 00:39:37 +0000 |
| commit | 3c91f36a4588df306284db0dece0590e846b5f55 (patch) | |
| tree | d1ee38d273d325eb2c98dae19e164f9ddad30774 /lib/Target/ARM/README-Thumb.txt | |
| parent | f595d6dd9a61c7387768d4e041539fcc6525a99b (diff) | |
| download | llvm-3c91f36a4588df306284db0dece0590e846b5f55.tar.gz llvm-3c91f36a4588df306284db0dece0590e846b5f55.tar.bz2 llvm-3c91f36a4588df306284db0dece0590e846b5f55.tar.xz | |
Another TODO.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77026 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/README-Thumb.txt')
| -rw-r--r-- | lib/Target/ARM/README-Thumb.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/ARM/README-Thumb.txt b/lib/Target/ARM/README-Thumb.txt index df94312d5f..a961a576f4 100644 --- a/lib/Target/ARM/README-Thumb.txt +++ b/lib/Target/ARM/README-Thumb.txt @@ -248,3 +248,9 @@ Make use of hi register variants of cmp: tCMPhir / tCMPZhir. Thumb1 immediate field sometimes keep pre-scaled values. See Thumb1RegisterInfo::eliminateFrameIndex. This is inconsistent from ARM and Thumb2. + +//===---------------------------------------------------------------------===// + +Rather than having tBR_JTr print a ".align 2" and constant island pass pad it, +add a target specific ALIGN instruction instead. That way, GetInstSizeInBytes +won't have to over-estimate. It can also be used for loop alignment pass. |