From e481e8bc8f08ec79e7b61d200fd826b81ff7cf35 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 28 Apr 2006 00:04:05 +0000 Subject: [PATCH] Add a note git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27999 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/PowerPC/README_ALTIVEC.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/lib/Target/PowerPC/README_ALTIVEC.txt b/lib/Target/PowerPC/README_ALTIVEC.txt index 9611f9e318d..143804da07f 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. + + +//===----------------------------------------------------------------------===// -- 2.34.1