diff --git a/llvm/test/MC/RISCV/rv64zfhmin-invalid.s b/llvm/test/MC/RISCV/rv64zfhmin-invalid.s
new file mode 100644
--- /dev/null
+++ b/llvm/test/MC/RISCV/rv64zfhmin-invalid.s
@@ -0,0 +1,23 @@
+# RUN: not llvm-mc -triple riscv64 -mattr=+zfhmin < %s 2>&1 | \
+# RUN:   FileCheck %s
+
+# Out of range immediates
+## simm12
+flh ft1, -2049(a0) # CHECK: :[[@LINE]]:10: error: operand must be a symbol with %lo/%pcrel_lo/%tprel_lo modifier or an integer in the range [-2048, 2047]
+fsh ft2, 2048(a1) # CHECK: :[[@LINE]]:10: error: operand must be a symbol with %lo/%pcrel_lo/%tprel_lo modifier or an integer in the range [-2048, 2047]
+
+# Memory operand not formatted correctly
+flh ft1, a0, -200 # CHECK: :[[@LINE]]:14: error: invalid operand for instruction
+
+# Invalid register names
+flh ft15, 100(a0) # CHECK: :[[@LINE]]:5: error: invalid operand for instruction
+flh ft1, 100(a10) # CHECK: :[[@LINE]]:14: error: expected register
+
+# Integer registers where FP regs are expected
+fmv.x.h fs7, a2 # CHECK: :[[@LINE]]:9: error: invalid operand for instruction
+
+# FP registers where integer regs are expected
+fmv.h.x a8, ft2 # CHECK: :[[@LINE]]:9: error: invalid operand for instruction
+
+# Zfh instructions
+fmadd.h f10, f11, f12, f13, dyn # CHECK: :[[@LINE]]:1: error: instruction requires the following: 'Zfh' (Half-Precision Floating-Point)