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-rw-r--r--gcc/expr.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index 76ee9e0..e672e45 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -6552,16 +6552,18 @@ get_inner_reference (tree exp, HOST_WIDE_INT *pbitsize,
{
tree field = TREE_OPERAND (exp, 1);
size_tree = DECL_SIZE (field);
- if (!DECL_BIT_FIELD (field))
- mode = DECL_MODE (field);
- else if (DECL_MODE (field) == BLKmode)
- blkmode_bitfield = true;
- else if (TREE_THIS_VOLATILE (exp)
- && flag_strict_volatile_bitfields > 0)
+ if (flag_strict_volatile_bitfields > 0
+ && TREE_THIS_VOLATILE (exp)
+ && DECL_BIT_FIELD_TYPE (field)
+ && DECL_MODE (field) != BLKmode)
/* Volatile bitfields should be accessed in the mode of the
field's type, not the mode computed based on the bit
size. */
mode = TYPE_MODE (DECL_BIT_FIELD_TYPE (field));
+ else if (!DECL_BIT_FIELD (field))
+ mode = DECL_MODE (field);
+ else if (DECL_MODE (field) == BLKmode)
+ blkmode_bitfield = true;
*punsignedp = DECL_UNSIGNED (field);
}