* simplify-rtx.c (simplify_relational_operation): Don't

	simplify address == constant into address + -constant == 0.

	* gcc.dg/20040123-1.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@76490 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 12 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/20040123-1.c b/gcc/testsuite/gcc.dg/20040123-1.c
new file mode 100644
index 00000000000..2a73382dd94
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/20040123-1.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-final { scan-assembler "abort" } } */
+
+extern void abort (void);
+extern char a[];
+
+void foo (void)
+{
+  if ((void *) a == (void *) 0x4000UL)
+    abort ();
+}