@@ -1,3 +1,13 @@
+2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
+
+ Backport from mainline
+ 2012-08-08 Richard Sandiford <rdsandiford@googlemail.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ PR rtl-optimization/54157
+ * combine.c (gen_lowpart_for_combine): Don't return identity
+ for CONST or symbolic reference.
+
2012-08-06 Uros Bizjak <ubizjak@gmail.com>
Backport from mainline
@@ -10802,13 +10802,6 @@ gen_lowpart_for_combine (enum machine_mode
omode, rtx x)
if (omode == imode)
return x;
- /* Return identity if this is a CONST or symbolic reference. */
- if (omode == Pmode
- && (GET_CODE (x) == CONST
- || GET_CODE (x) == SYMBOL_REF
- || GET_CODE (x) == LABEL_REF))
- return x;
-
/* We can only support MODE being wider than a word if X is a
constant integer or has a mode the same size. */
if (GET_MODE_SIZE (omode) > UNITS_PER_WORD
@@ -1,3 +1,11 @@
+2012-08-09 H.J. Lu <hongjiu.lu@intel.com>
+
+ Backport from mainline
+ 2012-08-08 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR rtl-optimization/54157
+ * gcc.target/i386/pr54157.c: New file.
+
2012-08-01 Uros Bizjak <ubizjak@gmail.com>
Backport from mainline
b/gcc/testsuite/gcc.target/i386/pr54157.c
new file mode 100644
@@ -0,0 +1,21 @@
+/* { dg-do compile { target { ! { ia32 } } } } */
+/* { dg-options "-O2 -mx32 -ftree-vectorize" } */
+
+struct s2{
+ int n[24 -1][24 -1][24 -1];
+};
+
+struct test2{
+ struct s2 e;
+};
+
+struct test2 tmp2[4];
+
+void main1 ()
+{
+ int i,j;
+
+ for (i = 0; i < 24 -4; i++)
+ for (j = 0; j < 24 -4; j++)
+ tmp2[2].e.n[1][i][j] = 8;
+}