From 90faeb2812dd06581e64a06d62e59c5ea084d926 Mon Sep 17 00:00:00 2001
From: Pat Haugen <pthaugen@us.ibm.com>
Date: Fri, 25 Mar 2005 20:10:38 +0000
Subject: [PATCH] re PR tree-optimization/20470 (Branching sequence generated
 for ABS(x-y))

2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>

        PR tree-optimization/20470
        * gcc.dg/tree-ssa/pr20470.c: New test.

From-SVN: r97063
---
 gcc/testsuite/ChangeLog                 |  5 +++++
 gcc/testsuite/gcc.dg/tree-ssa/pr20470.c | 14 ++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/pr20470.c

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 7594edc797a..24ac11d1c1d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
+
+	PR tree-optimization/20470
+	* gcc.dg/tree-ssa/pr20470.c: New test.
+
 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
 
 	* gcc.dg/ppc-stfiwx.c: New.
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr20470.c b/gcc/testsuite/gcc.dg/tree-ssa/pr20470.c
new file mode 100644
index 00000000000..7a837c837a0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr20470.c
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-fdump-tree-generic" } */
+
+/* PR tree-optimization/20470:
+    Missing fold to abs(x) when x == MINUS_EXPR.  */
+#define abs(x)  ((x) >= 0 ? (x) : -(x))
+
+int i,j,k;
+void f1()
+{
+  i = abs(j-k);
+}
+
+/* { dg-final { scan-tree-dump-times "ABS_EXPR" 1 "generic" } } */