[llvm-commits] [llvm] r62760 - /llvm/trunk/lib/Target/README.txt

[Chris Lattner]

Author: lattner
Date: Thu Jan 22 01:16:03 2009
New Revision: 62760

URL: http://llvm.org/viewvc/llvm-project?rev=62760&view=rev
Log:
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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=62760&r1=62759&r2=62760&view=diff

==============================================================================
--- llvm/trunk/lib/Target/README.txt (original)
+++ llvm/trunk/lib/Target/README.txt Thu Jan 22 01:16:03 2009
@@ -1673,3 +1673,13 @@
 	sarl	$5, %eax
 
 //===---------------------------------------------------------------------===//
+
+GCC PR31029:
+
+int test(int x) { return 1-x == x; }     // --> return false
+int test2(int x) { return 2-x == x; }    // --> return x == 1 ?
+
+Always foldable for odd constants, what is the rule for even?
+
+//===---------------------------------------------------------------------===//
+