From 2e723874b5ed813da802a8dcb81134172d6408c6 Mon Sep 17 00:00:00 2001
From: Hans-Peter Nilsson <hp@axis.com>
Date: Mon, 12 Oct 2009 17:40:08 +0000
Subject: [PATCH] re PR target/26515 (peephole2 causes unrecognized insn,
 zero_extending non-general register)

	PR target/26515
	* gcc.dg/torture/pr26515.c: New test.

From-SVN: r152677
---
 gcc/testsuite/ChangeLog                |  5 +++++
 gcc/testsuite/gcc.dg/torture/pr26515.c | 27 ++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/torture/pr26515.c

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 6f07c4bfbf5..d6448ec1f9c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2009-10-12  Hans-Peter Nilsson  <hp@axis.com>
+
+	PR target/26515
+	* gcc.dg/torture/pr26515.c: New test.
+
 2009-10-12  Janis Johnson  <janis187@us.ibm.com>
 
 	PR testsuite/41659
diff --git a/gcc/testsuite/gcc.dg/torture/pr26515.c b/gcc/testsuite/gcc.dg/torture/pr26515.c
new file mode 100644
index 00000000000..a051e2e53c4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr26515.c
@@ -0,0 +1,27 @@
+/* { dg-options "-march=v10" { target cris*-*-* } } */
+struct i
+{
+  long long i_size;
+  struct a *i_mapping;
+};
+struct p
+{
+  struct a *mapping;
+  long index;
+};
+extern void b (struct p*, unsigned);
+extern void u (struct p*);
+void
+block_page_mkwrite (struct i *i, struct p *p)
+{
+  unsigned end = 0;
+  long long size = 0;
+  size = i->i_size;
+  if ((p->mapping != i->i_mapping))
+    goto out_unlock;
+  if (((p->index + 1) << 13) > size)
+    end = size & ~(~(((1UL) << 13) - 1));
+  b (p, end);
+out_unlock:
+  u (p);
+}