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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27999 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-04-28 00:04:05 +00:00
parent 217fde5255
commit e481e8bc8f
1 changed files with 8 additions and 0 deletions
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8
lib/Target/PowerPC/README_ALTIVEC.txt
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@@ -169,3 +169,11 @@ LBB1_2: ; entry
blr 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.
//===----------------------------------------------------------------------===//