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-rw-r--r--riscv/insns/amoand_w.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/riscv/insns/amoand_w.h b/riscv/insns/amoand_w.h
index 32ea7f7..7db2160 100644
--- a/riscv/insns/amoand_w.h
+++ b/riscv/insns/amoand_w.h
@@ -1,3 +1,4 @@
+require_extension('A');
reg_t v = MMU.load_int32(RS1);
MMU.store_uint32(RS1, RS2 & v);
WRITE_RD(v);