1 files changed, 95 insertions, 0 deletions

diff --git a/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99363.patch b/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99363.patch
new file mode 100644
index 0000000000..7003cf8376
--- /dev/null
+++ b/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99363.patch
@@ -0,0 +1,95 @@
+2010-08-05  Jie Zhang  <jie@codesourcery.com>
+
+        Issue #7257
+
+        Backport from mainline:
+
+        gcc/
+        2010-08-05  Jie Zhang  <jie@codesourcery.com>
+        PR tree-optimization/45144
+        * tree-sra.c (type_consists_of_records_p): Return false
+        if the record contains bit-field.
+
+        gcc/testsuite/
+        2010-08-05  Jie Zhang  <jie@codesourcery.com>
+        PR tree-optimization/45144
+        * gcc.dg/tree-ssa/pr45144.c: New test.
+
+ 2010-08-04  Mark Mitchell  <mark@codesourcery.com>
+ 
+        Backport from mainline:
+
+=== added file 'gcc/testsuite/gcc.dg/tree-ssa/pr45144.c'
+--- old/gcc/testsuite/gcc.dg/tree-ssa/pr45144.c 1970-01-01 00:00:00 +0000
++++ new/gcc/testsuite/gcc.dg/tree-ssa/pr45144.c 2010-08-20 16:04:44 +0000
+@@ -0,0 +1,46 @@
++/* { dg-do compile } */
++/* { dg-options "-O2 -fdump-tree-optimized" } */
++
++void baz (unsigned);
++
++extern unsigned buf[];
++
++struct A
++{
++  unsigned a1:10;
++  unsigned a2:3;
++  unsigned:19;
++};
++
++union TMP
++{
++  struct A a;
++  unsigned int b;
++};
++
++static unsigned
++foo (struct A *p)
++{
++  union TMP t;
++  struct A x;
++  
++  x = *p;
++  t.a = x;
++  return t.b;
++}
++
++void
++bar (unsigned orig, unsigned *new)
++{
++  struct A a;
++  union TMP s;
++
++  s.b = orig;
++  a = s.a;
++  if (a.a1)
++    baz (a.a2);
++  *new = foo (&a);
++}
++
++/* { dg-final { scan-tree-dump "x = a;" "optimized"} } */
++/* { dg-final { cleanup-tree-dump "optimized" } } */
+
+=== modified file 'gcc/tree-sra.c'
+--- old/gcc/tree-sra.c  2010-08-10 13:31:21 +0000
++++ new/gcc/tree-sra.c  2010-08-20 16:04:44 +0000
+@@ -805,7 +805,7 @@
+ /* Return true iff TYPE is a RECORD_TYPE with fields that are either of gimple
+    register types or (recursively) records with only these two kinds of fields.
+    It also returns false if any of these records has a zero-size field as its
+-   last field.  */
++   last field or has a bit-field.  */
+ 
+ static bool
+ type_consists_of_records_p (tree type)
+@@ -821,6 +821,9 @@
+       {
+        tree ft = TREE_TYPE (fld);
+ 
++       if (DECL_BIT_FIELD (fld))
++         return false;
++
+        if (!is_gimple_reg_type (ft)
+            && !type_consists_of_records_p (ft))
+          return false;
+