1 files changed, 23 insertions, 0 deletions

diff --git a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99442.patch b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99442.patch
new file mode 100644
index 000000000..62c44784b
--- /dev/null
+++ b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99442.patch
@@ -0,0 +1,23 @@
+2010-11-24  Maxim Kuvyrkov  <maxim@codesourcery.com>
+
+        gcc/
+        * loop-iv.c (get_biv_step): Workaround loop analysis ICE.
+
+=== modified file 'gcc/loop-iv.c'
+--- old/gcc/loop-iv.c   2009-11-25 10:55:54 +0000
++++ new/gcc/loop-iv.c   2010-12-10 15:32:04 +0000
+@@ -796,6 +796,13 @@
+                       outer_step))
+     return false;
+ 
++  /* CSL local: workaround get_biv_step_1() inability to handle DU
++     chains originating at sets of subregs.  Such subregs are introduced
++     by Tom's extension elimination pass.  For upstream duscussion see
++     http://gcc.gnu.org/ml/gcc/2010-11/msg00552.html .  */
++  if (!((*inner_mode == *outer_mode) != (*extend != UNKNOWN)))
++    return false;
++
+   gcc_assert ((*inner_mode == *outer_mode) != (*extend != UNKNOWN));
+   gcc_assert (*inner_mode != *outer_mode || *outer_step == const0_rtx);
+ 
+