From 08e5bc4391d6a11aeb9682cf32ae6f21b5adee9b Mon Sep 17 00:00:00 2001
From: hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sun, 4 Feb 2007 17:58:26 +0000
Subject: [PATCH] * 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
---
gcc/ChangeLog | 6 ++++++
gcc/tree-sra.c | 9 ++++++---
2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 50aa8f191dbf..af87922453b6 100644
--- 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 a2d28cac2c42..03f9b59526a1 100644
--- 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
--
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