Decode AMOXOR (and others) instructions only in 64 bits

it (should) fixes #1352
openhwgroup · Aug 31, 2023 · 11630c1 · 11630c1
1 parent 434e55c
commit 11630c1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/decoder.sv b/core/decoder.sv
@@ -1073,7 +1073,7 @@ module decoder import ariane_pkg::*; #(
                     instruction_o.rd[4:0]  = instr.atype.rd;
                     // TODO(zarubaf): Ordering
                     // words
-                    if (CVA6Cfg.RVA && instr.stype.funct3 == 3'h2) begin
+                  if (riscv::IS_XLEN64 && CVA6Cfg.RVA && instr.stype.funct3 == 3'h2) begin
                         unique case (instr.instr[31:27])
                             5'h0:  instruction_o.op = ariane_pkg::AMO_ADDW;
                             5'h1:  instruction_o.op = ariane_pkg::AMO_SWAPW;