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| author | Chris Lattner <sabre@nondot.org> | 2007-03-25 04:46:28 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-03-25 04:46:28 +0000 |
| commit | 013e051aac1c3d5d4468eb83b3bc8cfa58cef421 (patch) | |
| tree | fa91c87d2b73110d104df3e71ad29e579b21106b /lib/Target/PowerPC/README.txt | |
| parent | b6ead97b7e576721f47a3bc3739fea52f261e22f (diff) | |
| download | llvm-013e051aac1c3d5d4468eb83b3bc8cfa58cef421.tar.gz llvm-013e051aac1c3d5d4468eb83b3bc8cfa58cef421.tar.bz2 llvm-013e051aac1c3d5d4468eb83b3bc8cfa58cef421.tar.xz | |
add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35330 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/README.txt')
| -rw-r--r-- | lib/Target/PowerPC/README.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/README.txt b/lib/Target/PowerPC/README.txt index 932893eae1..074dffce96 100644 --- a/lib/Target/PowerPC/README.txt +++ b/lib/Target/PowerPC/README.txt @@ -625,3 +625,16 @@ _foo: mr r0,r3 blr ===-------------------------------------------------------------------------=== + +test/CodeGen/PowerPC/2007-03-24-cntlzd.ll compiles to: + +__ZNK4llvm5APInt17countLeadingZerosEv: + ld r2, 0(r3) + cntlzd r2, r2 + or r2, r2, r2 <<-- silly. + addi r3, r2, -64 + blr + +The dead or is a 'truncate' from 64- to 32-bits. + +===-------------------------------------------------------------------------=== |