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-rw-r--r--gcc/tree-ssa-operands.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/tree-ssa-operands.c b/gcc/tree-ssa-operands.c
index 1ef06db..916814d 100644
--- a/gcc/tree-ssa-operands.c
+++ b/gcc/tree-ssa-operands.c
@@ -1370,6 +1370,17 @@ get_asm_expr_operands (tree stmt)
EXECUTE_IF_SET_IN_BITMAP (addressable_vars, 0, i, bi)
{
tree var = referenced_var (i);
+
+ /* Subvars are explicitly represented in this list, so
+ we don't need the original to be added to the clobber
+ ops, but the original *will* be in this list because
+ we keep the addressability of the original
+ variable up-to-date so we don't screw up the rest of
+ the backend. */
+ if (var_can_have_subvars (var)
+ && get_subvars_for_var (var) != NULL)
+ continue;
+
add_stmt_operand (&var, s_ann, opf_is_def);
}