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| author | Chris Lattner <sabre@nondot.org> | 2006-04-28 00:04:05 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-04-28 00:04:05 +0000 |
| commit | e481e8bc8f08ec79e7b61d200fd826b81ff7cf35 (patch) | |
| tree | 2461462c6b49d62b79366943692ecc3316c96a56 | |
| parent | 217fde525597a161f18cd59dc7808a759f8ca6c5 (diff) | |
Add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27999 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/PowerPC/README_ALTIVEC.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/README_ALTIVEC.txt b/lib/Target/PowerPC/README_ALTIVEC.txt index 9611f9e318..143804da07 100644 --- a/lib/Target/PowerPC/README_ALTIVEC.txt +++ b/lib/Target/PowerPC/README_ALTIVEC.txt @@ -169,3 +169,11 @@ LBB1_2: ; entry blr //===----------------------------------------------------------------------===// + +CodeGen/PowerPC/vec_constants.ll has an and operation that should be +codegen'd to andc. The issue is that the 'all ones' build vector is +SelectNodeTo'd a VSPLTISB instruction node before the and/xor is selected +which prevents the vnot pattern from matching. + + +//===----------------------------------------------------------------------===// |