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| author | Eric Christopher <echristo@apple.com> | 2010-06-29 22:22:22 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2010-06-29 22:22:22 +0000 |
| commit | 5797c8828137c2f82a16bd74419b55558096bc2b (patch) | |
| tree | e61531782f3fd86b7e7c1d927ef8b0927d7bcdbc | |
| parent | 0b55708f27328a36fd6632308f9dca01c7a81c67 (diff) | |
| download | external_llvm-5797c8828137c2f82a16bd74419b55558096bc2b.zip external_llvm-5797c8828137c2f82a16bd74419b55558096bc2b.tar.gz external_llvm-5797c8828137c2f82a16bd74419b55558096bc2b.tar.bz2 | |
Add another bswap idiom that isn't matched.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107213 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/README.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index efb91a1..b1080b5 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -300,6 +300,14 @@ unsigned long reverse(unsigned v) { return v ^ (t >> 8); } +Neither is this (very standard idiom): + +int f(int n) +{ + return (((n) << 24) | (((n) & 0xff00) << 8) + | (((n) >> 8) & 0xff00) | ((n) >> 24)); +} + //===---------------------------------------------------------------------===// [LOOP RECOGNITION] |