diff --git a/tests/coverage/fpu.S b/tests/coverage/fpu.S
index 250100a68..02b3f4a49 100644
--- a/tests/coverage/fpu.S
+++ b/tests/coverage/fpu.S
@@ -79,6 +79,10 @@ main:
     .word 0xc5000007    // Attempting to toggle (Op7 != 7) to 0 on line 97 in fctrl, not sure what instruction this works out to
     .word 0xe0101053    // toggling (Rs2D == 0) to 0 on line 139 in fctrl. Illegal Intsr (like fclass but incorrect rs2)
     .word 0xe0100053    // toggling (Rs2D == 0) to 0 on line 141 in fctrl. Illegal Intsr (like fmv but incorrect rs2)
+    .word 0x40500053    // toggling (Rs2D[4:2] == 0) to 0 on line 145 in fctrl. 
+    .word 0x40300053    // toggling SupportFmt2 to 0 on line 145 in fctrl.
+    .word 0x42100053    // toggling (Rs2D[1:0] != 1) to 0 on line 147 in fctrl. Illegal Instr
+    .word 0xf0100053    // toggling (Rs2D == 0) to 0 on line 143 in fctrl. Illegal Instr
 
     # Test illegal instructions are detected
     .word 0x00000007 // illegal floating-point load (bad Funct3)