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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/tree-sra.c5
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 82d084d..dfb46e4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2012-05-23 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53438
+ * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
+
2012-05-23 Georg-Johann Lay <avr@gjlay.de>
PR target/53448
diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index 3f84f6b..0438084 100644
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -2096,9 +2096,12 @@ analyze_access_subtree (struct access *root, struct access *parent,
&& (TREE_CODE (root->type) != INTEGER_TYPE
|| TYPE_PRECISION (root->type) != root->size)
/* But leave bitfield accesses alone. */
- && (root->offset % BITS_PER_UNIT) == 0)
+ && (TREE_CODE (root->expr) != COMPONENT_REF
+ || !DECL_BIT_FIELD (TREE_OPERAND (root->expr, 1))))
{
tree rt = root->type;
+ gcc_assert ((root->offset % BITS_PER_UNIT) == 0
+ && (root->size % BITS_PER_UNIT) == 0);
root->type = build_nonstandard_integer_type (root->size,
TYPE_UNSIGNED (rt));
root->expr = build_ref_for_offset (UNKNOWN_LOCATION,