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diff --git a/llvm/test/MC/RISCV/rv32fc-invalid.s b/llvm/test/MC/RISCV/rv32fc-invalid.s
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+++ b/llvm/test/MC/RISCV/rv32fc-invalid.s
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+# RUN: not llvm-mc -triple=riscv32 -mattr=+c,+f < %s 2>&1 | FileCheck %s
+
+## FPRC
+c.flw ft3, 8(a5) # CHECK: :[[@LINE]]:8: error: invalid operand for instruction
+
+## uimm8_lsb00
+c.flwsp fs1, 256(sp) # CHECK: :[[@LINE]]:15: error: immediate must be a multiple of 4 bytes in the range [0, 252]
+c.fswsp fs2, -4(sp) # CHECK: :[[@LINE]]:15: error: immediate must be a multiple of 4 bytes in the range [0, 252]
+
+## uimm7_lsb00
+c.flw fs0, -4(sp) # CHECK: :[[@LINE]]:13: error: immediate must be a multiple of 4 bytes in the range [0, 124]
+c.fsw fs1, 128(sp) # CHECK: :[[@LINE]]:13: error: immediate must be a multiple of 4 bytes in the range [0, 124]
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