From: Chris Lattner <sabre@nondot.org>
Date: Wed, 1 Mar 2006 06:36:20 +0000 (+0000)
Subject: add a note
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=00d18f0879fb02d90aaf27e53a8a6bab2513ab5d;p=oota-llvm.git

add a note


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26448 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/PowerPC/README.txt b/lib/Target/PowerPC/README.txt
index 9ab35fe4842..050f6142912 100644
--- a/lib/Target/PowerPC/README.txt
+++ b/lib/Target/PowerPC/README.txt
@@ -434,3 +434,21 @@ int f(signed char *a, _Bool b, _Bool c) {
   if (c)  *a = t;
 }
 
+===-------------------------------------------------------------------------===
+
+This:
+int test(unsigned *P) { return *P >> 24; }
+
+Should compile to:
+
+_test:
+        lbz r3,0(r3)
+        blr
+
+not:
+
+_test:
+        lwz r2, 0(r3)
+        srwi r3, r2, 24
+        blr
+