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-rw-r--r--riscv/insns/amomaxu_b.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/riscv/insns/amomaxu_b.h b/riscv/insns/amomaxu_b.h
new file mode 100644
index 0000000..d56b98e
--- /dev/null
+++ b/riscv/insns/amomaxu_b.h
@@ -0,0 +1,2 @@
+require_extension(EXT_ZABHA);
+WRITE_RD(sreg_t(MMU.amo<int8_t>(RS1, [&](uint8_t lhs) { return std::max(lhs, uint8_t(RS2)); })));