[llvm-commits] [llvm] r107213 - /llvm/trunk/lib/Target/README.txt

[Eric Christopher]

Author: echristo
Date: Tue Jun 29 17:22:22 2010
New Revision: 107213

URL: http://llvm.org/viewvc/llvm-project?rev=107213&view=rev
Log:
Add another bswap idiom that isn't matched.

Modified:
    llvm/trunk/lib/Target/README.txt

Modified: llvm/trunk/lib/Target/README.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/README.txt?rev=107213&r1=107212&r2=107213&view=diff
==============================================================================
--- llvm/trunk/lib/Target/README.txt (original)
+++ llvm/trunk/lib/Target/README.txt Tue Jun 29 17:22:22 2010
@@ -300,6 +300,14 @@
     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));
+}
+
 //===---------------------------------------------------------------------===//
 
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