1 files changed, 36 insertions, 0 deletions

diff --git a/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99405.patch b/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99405.patch
new file mode 100644
index 0000000000..7fc943f4bc
--- /dev/null
+++ b/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99405.patch
@@ -0,0 +1,36 @@
+2010-09-22  Chung-Lin Tang  <cltang@codesourcery.com>
+
+        Backport from mainline:
+
+        2010-09-22  Chung-Lin Tang  <cltang@codesourcery.com>
+
+        gcc/
+        * postreload.c (move2add_note_store): Add reg_symbol_ref[] checks
+        to update conditions. Fix reg_mode[] check.
+
+=== modified file 'gcc/postreload.c'
+Index: gcc-4.5/gcc/postreload.c
+===================================================================
+--- gcc-4.5.orig/gcc/postreload.c
++++ gcc-4.5/gcc/postreload.c
+@@ -2103,15 +2103,17 @@ move2add_note_store (rtx dst, const_rtx 
+                       && (MODES_OK_FOR_MOVE2ADD
+                           (dst_mode, reg_mode[REGNO (XEXP (src, 1))])))
+                {
+-                 if (reg_base_reg[REGNO (XEXP (src, 1))] < 0)
++                 if (reg_base_reg[REGNO (XEXP (src, 1))] < 0
++                     && reg_symbol_ref[REGNO (XEXP (src, 1))] == NULL_RTX)
+                    offset = reg_offset[REGNO (XEXP (src, 1))];
+                  /* Maybe the first register is known to be a
+                     constant.  */
+                  else if (reg_set_luid[REGNO (base_reg)]
+                           > move2add_last_label_luid
+                           && (MODES_OK_FOR_MOVE2ADD
+-                              (dst_mode, reg_mode[REGNO (XEXP (src, 1))]))
+-                          && reg_base_reg[REGNO (base_reg)] < 0)
++                              (dst_mode, reg_mode[REGNO (base_reg)]))
++                          && reg_base_reg[REGNO (base_reg)] < 0
++                          && reg_symbol_ref[REGNO (base_reg)] == NULL_RTX)
+                    {
+                      offset = reg_offset[REGNO (base_reg)];
+                      base_reg = XEXP (src, 1);