diff --git a/src/ieu/bmu/bmuctrl.sv b/src/ieu/bmu/bmuctrl.sv
index 24dd22ce0..46222cf7a 100644
--- a/src/ieu/bmu/bmuctrl.sv
+++ b/src/ieu/bmu/bmuctrl.sv
@@ -101,6 +101,8 @@ module bmuctrl(
                                   BMUControlsD = `BMUCTRLW'b000_10_001_1_1_0_1_0_0_0_0_0;  // sign extend instruction
                                 else if ((Rs2D[4:2]==3'b000) & ~(Rs2D[1] & Rs2D[0]))
                                   BMUControlsD = `BMUCTRLW'b000_10_000_1_1_0_1_0_0_0_0_0;  // count instruction
+        17'b0110011_0000100_100: if (`XLEN == 32)
+                                  BMUControlsD = `BMUCTRLW'b000_10_001_1_1_0_1_0_0_0_0_0;  // zexth (rv32)
         17'b0110011_0100000_111: BMUControlsD = `BMUCTRLW'b111_01_111_1_0_0_1_1_0_0_0_0;  // andn
         17'b0110011_0100000_110: BMUControlsD = `BMUCTRLW'b110_01_111_1_0_0_1_1_0_0_0_0;  // orn
         17'b0110011_0100000_100: BMUControlsD = `BMUCTRLW'b100_01_111_1_0_0_1_1_0_0_0_0;  // xnor
@@ -116,6 +118,7 @@ module bmuctrl(
       if (`XLEN==32)
         casez({OpD, Funct7D, Funct3D})
           17'b0110011_0000100_100: BMUControlsD = `BMUCTRLW'b000_10_001_1_1_0_1_0_0_0_0_0;  // zexth (rv32)
+          17'b0010011_0110000_101: BMUControlsD = `BMUCTRLW'b001_00_111_1_1_0_1_0_1_0_0_0;  // rori (rv32)                          
         endcase
       else if (`XLEN==64)
         casez({OpD, Funct7D, Funct3D})