From: Nate Begeman <natebegeman@mac.com>
Date: Fri, 28 Oct 2005 23:26:57 +0000 (+0000)
Subject: New case to handle someday
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=167f1e265161bfebb0370e7e1e0559e50bdd9234;p=oota-llvm.git

New case to handle someday


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24075 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/PowerPC/README.txt b/lib/Target/PowerPC/README.txt
index abd91575e9e..972e5bbd6e1 100644
--- a/lib/Target/PowerPC/README.txt
+++ b/lib/Target/PowerPC/README.txt
@@ -217,5 +217,22 @@ _test:
         stw r2, 0(r3)
         blr
 
+===-------------------------------------------------------------------------===
+
+Compile
+int foo(int a) { return a * -2 + 63; }
+
+to
+
+_foo:
+        slwi r0,r3,1
+        subfic r3,r0,63
+        blr
+
+instead of:
 
+_foo:
+        mulli r2,r3,-2
+        addi r3,r2,63
+        blr