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-rw-r--r--gcc/emit-rtl.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index ae8970ce25c..5a2aede40dd 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -1045,13 +1045,14 @@ set_decl_rtl (tree t, rtx x)
set_reg_attrs_for_decl_rtl (t, x);
}
-/* Assign the RTX X to parameter declaration T. */
+/* Assign the RTX X to parameter declaration T. BY_REFERENCE_P is true
+ if the ABI requires the parameter to be passed by reference. */
void
-set_decl_incoming_rtl (tree t, rtx x)
+set_decl_incoming_rtl (tree t, rtx x, bool by_reference_p)
{
DECL_INCOMING_RTL (t) = x;
- if (x)
+ if (x && !by_reference_p)
set_reg_attrs_for_decl_rtl (t, x);
}