1 files changed, 22 insertions, 0 deletions

diff --git a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99488.patch b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99488.patch
new file mode 100644
index 0000000000..2f41a0a73c
--- /dev/null
+++ b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99488.patch
@@ -0,0 +1,22 @@
+2011-03-03  Richard Sandiford  <richard.sandiford@linaro.org>
+
+        gcc/
+        * ee.c (reg_use_p): Handle subregs of promoted vars.
+
+=== modified file 'gcc/ee.c'
+--- old/gcc/ee.c        2010-12-10 15:33:37 +0000
++++ new/gcc/ee.c        2011-03-03 17:08:58 +0000
+@@ -209,7 +209,11 @@
+ 
+       *regno = REGNO (reg);
+ 
+-      if (paradoxical_subreg_p (use))
++      /* Non-paradoxical SUBREGs of promoted vars guarantee that the
++        upper (elided) bits of the inner register have a particular value.
++        For our purposes, such SUBREGs act as a full reference to the
++        inner register.  */
++      if (paradoxical_subreg_p (use) || SUBREG_PROMOTED_VAR_P (use))
+         *size = GET_MODE_BITSIZE (GET_MODE (reg));
+       else
+         *size = subreg_lsb (use) + GET_MODE_BITSIZE (GET_MODE (use));
+