From: Chris Lattner <sabre@nondot.org>
Date: Thu, 22 Jan 2009 07:16:03 +0000 (+0000)
Subject: add a note
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=256baa4b1fbccfea33409185da5db2919e3b90fd;p=oota-llvm.git

add a note


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62760 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/README.txt b/lib/Target/README.txt
index 756f38a6491..c679fd83c0d 100644
--- a/lib/Target/README.txt
+++ b/lib/Target/README.txt
@@ -1673,3 +1673,13 @@ while it could get this:
 	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?
+
+//===---------------------------------------------------------------------===//
+