rv32g-core

commit 96ed6dba8e30b9ae0fc2758d6ac7fd7ff59d56ba
parent 8ff59035f7ac85e58ee138217a3d3674e38d8d6b
Author: Vineet Kumar <git@vineetk.net>
Date:   Sat, 22 Aug 2026 05:01:32 +0530

remove addi to nop decoding because of comparison

Recovery-Origin: e55684bbb758547c693fabd693e1e8bdd122542a
Recovery-Status: reconstructed history

Removed the reconstructed explicit ADDI-as-NOP special case, reaching the hash-verified final stage_decode.sv. Original intermediate commit object is missing.

Diffstat:
M
rtl/stage_decode.sv
 | 
9
+--------

1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/rtl/stage_decode.sv b/rtl/stage_decode.sv
@@ -120,14 +120,7 @@ module stage_decode
 	 ctrl.wbsrc = WB_ALU;
 	 unique case (funct3)
 	   // rv32i; done in same order as it appears in chapter 36 of unprivileged manual
-	   3'b000: begin
-	     if (rd_num == 0 && rs1_num == 0 && imm == 0) begin
-	       ctrl.aluop = ALU_NONE;
-	       ctrl.aluop1src = ALUOP1_NONE;
-	       ctrl.aluop2src = ALUOP2_NONE;
-	       ctrl.wbsrc = WB_NONE;
-	     end else ctrl.aluop = ALU_ADD;
-	   end
+	   3'b000: ctrl.aluop = ALU_ADD;
 	   3'b010: ctrl.aluop = ALU_SLT;
 	   3'b011: ctrl.aluop = ALU_SLTU;
 	   3'b100: ctrl.aluop = ALU_XOR;