1 files changed, 5 insertions, 0 deletions
diff --git a/riscv/insns/fsub_h.h b/riscv/insns/fsub_h.h
new file mode 100644
index 0000000..43b51cc
--- /dev/null
+++ b/riscv/insns/fsub_h.h
@@ -0,0 +1,5 @@
+require_extension(EXT_ZFH);
+require_fp;
+softfloat_roundingMode = RM;
+WRITE_FRD(f16_sub(f16(FRS1), f16(FRS2)));
+set_fp_exceptions;