Use flag instead of imm value to determine if this is register to reg…

…ister operation (#449) Signed-off-by: Alan Jowett <alan.jowett@microsoft.com> Co-authored-by: Alan Jowett <alan.jowett@microsoft.com>
iovisor · May 7, 2024 · 5d4d78d · 5d4d78d
1 parent 0a50b44
commit 5d4d78d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/vm/ubpf_jit_x86_64.c b/vm/ubpf_jit_x86_64.c
@@ -819,7 +819,7 @@ muldivmod(struct jit_state* state, uint8_t opcode, int src, int dst, int32_t imm
     }
 
     // Load the divisor into RCX.
-    if (imm) {
+    if (!reg) {
         emit_load_imm(state, RCX, imm);
     } else {
         emit_mov(state, src, RCX);