1 files changed, 3 insertions, 0 deletions
diff --git a/riscv/insns/asubu.h b/riscv/insns/asubu.h
new file mode 100644
index 00000000..6139feb2
--- /dev/null
+++ b/riscv/insns/asubu.h
@@ -0,0 +1,3 @@
+require_extension('P');
+require_rv32;
+WRITE_RD((0ULL + (uint32_t)RS1 - (uint32_t)RS2)>>1);
+\ No newline at end of file