* tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into

	vectors might cause maybe_lookup_element_for_expr to be called
	on non-sra-candidate.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121578 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 50aa8f1..af87922 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2007-02-04  Jan Hubicka  <jh@suse.cz>
+
+       * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
+       vectors might cause maybe_lookup_element_for_expr to be called
+       on non-sra-candidate.
+
 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
 
        * config/bfin/bfin-modes.def, config/bfin/bfin.c,

diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index a2d28ca..03f9b59 100644 (file)
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -793,10 +793,13 @@ sra_walk_expr (tree *expr_p, block_stmt_iterator *bsi, bool is_output,
        /* A bit field reference to a specific vector is scalarized but for
           ones for inputs need to be marked as used on the left hand size so
           when we scalarize it, we can mark that variable as non renamable.  */
-       if (is_output && TREE_CODE (TREE_TYPE (TREE_OPERAND (inner, 0))) == VECTOR_TYPE)
+       if (is_output
+           && TREE_CODE (TREE_TYPE (TREE_OPERAND (inner, 0))) == VECTOR_TYPE)
          {
-           struct sra_elt *elt = maybe_lookup_element_for_expr (TREE_OPERAND (inner, 0));
-           elt->is_vector_lhs = true;
+           struct sra_elt *elt
+             = maybe_lookup_element_for_expr (TREE_OPERAND (inner, 0));
+           if (elt)
+             elt->is_vector_lhs = true;
          }
        /* A bit field reference (access to *multiple* fields simultaneously)
           is not currently scalarized.  Consider this an access to the