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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 | e34471bb314600ae31ebe8286484270d4ce3bb40 (patch) | |
| tree | 6b4f4752db703d882a26c6a7c21c5fcc526d4d22 | |
| parent | 7839c493e8f821e07291afb16936e9d05f879eb9 (diff) | |
| download | bcm5719-llvm-e34471bb314600ae31ebe8286484270d4ce3bb40.tar.gz bcm5719-llvm-e34471bb314600ae31ebe8286484270d4ce3bb40.zip | |
Add another bswap idiom that isn't matched.
llvm-svn: 107213
| -rw-r--r-- | llvm/lib/Target/README.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Target/README.txt b/llvm/lib/Target/README.txt index efb91a1b283..b1080b594ff 100644 --- a/llvm/lib/Target/README.txt +++ b/llvm/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] |
