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-rw-r--r--gcc/lra-constraints.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c
index 0f54b6c24ce..c2777e982a7 100644
--- a/gcc/lra-constraints.c
+++ b/gcc/lra-constraints.c
@@ -2874,6 +2874,11 @@ process_address_1 (int nop, bool check_only_p,
enum constraint_num cn = lookup_constraint (constraint);
bool change_p = false;
+ if (MEM_P (op)
+ && GET_MODE (op) == BLKmode
+ && GET_CODE (XEXP (op, 0)) == SCRATCH)
+ return false;
+
if (insn_extra_address_constraint (cn))
decompose_lea_address (&ad, curr_id->operand_loc[nop]);
else if (MEM_P (op))