From: Matthias Braun <matze@braunis.de>
Date: Sun, 21 Sep 2008 21:05:51 +0000 (+0000)
Subject: crafty problem
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;ds=sidebyside;h=bb834c4f78008dedf8c9872ff4eeeb17e155871c;p=libfirm

crafty problem

[r22151]
---

diff --git a/ir/be/test/codegen/crafty.c b/ir/be/test/codegen/crafty.c
new file mode 100644
index 000000000..ffd5def32
--- /dev/null
+++ b/ir/be/test/codegen/crafty.c
@@ -0,0 +1,22 @@
+int first_ones[256];
+
+  int FirstOne(unsigned long long arg1)
+  {
+    union doub {
+      unsigned short i[4];
+      unsigned long long d;
+    };
+    union doub x;
+    x.d=arg1;
+
+    if (x.i[3])
+      return (first_ones[x.i[3]]);
+    if (x.i[2])
+      return (first_ones[x.i[2]]+16);
+    if (x.i[1])
+      return (first_ones[x.i[1]]+32);
+    if (x.i[0])
+      return (first_ones[x.i[0]]+48);
+
+    return(64);
+  }