+2008-12-04 Eric Botcazou <ebotcazou@adacore.com>
+
+ * cse.c (equiv_constant): Fix pasto.
+
2008-12-04 Nick Clifton <nickc@redhat.com>
* config/stormy16/stormy16.md: Remove extraneous spaces and
if (REG_P (SUBREG_REG (x))
&& (new_rtx = equiv_constant (SUBREG_REG (x))) != 0)
- return simplify_subreg (GET_MODE (x), SUBREG_REG (x),
+ return simplify_subreg (GET_MODE (x), new_rtx,
GET_MODE (SUBREG_REG (x)), SUBREG_BYTE (x));
return 0;
+2008-12-04 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gcc.dg/union-4.c: New test.
+
2008-12-03 H.J. Lu <hongjiu.lu@intel.com>
* g++.old-deja/g++.eh/badalloc1.C: Add the missing "}".
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-rtl-cse1" } */
+
+extern void abort(void);
+
+typedef unsigned int uint32;
+typedef unsigned long long uint64;
+
+typedef union {
+ uint32 i32;
+ uint64 i64;
+} u64;
+
+void foo(void)
+{
+ u64 data;
+ data.i64 = 1;
+ if (data.i32 != 1)
+ abort ();
+}
+
+/* { dg-final { scan-rtl-dump-not "abort" "cse1" { target i?86-*-* } } } */
+/* { dg-final { cleanup-rtl-dump "cse1" } } */