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-rw-r--r--riscv/insns/amomaxu_d.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/riscv/insns/amomaxu_d.h b/riscv/insns/amomaxu_d.h
new file mode 100644
index 0000000..ccfaf1d
--- /dev/null
+++ b/riscv/insns/amomaxu_d.h
@@ -0,0 +1,4 @@
+require_xpr64;
+reg_t v = mmu.load_uint64(RS1);
+mmu.store_uint64(RS1, std::max(RS2,v));
+RD = v;