diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/PowerPC/README.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/README.txt b/llvm/lib/Target/PowerPC/README.txt index 932893eae1b..074dffce96e 100644 --- a/llvm/lib/Target/PowerPC/README.txt +++ b/llvm/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. + +===-------------------------------------------------------------------------=== |
