diff --git a/src/backend_x64/emit_x64_vector.cpp b/src/backend_x64/emit_x64_vector.cpp
index cb209197..610a340e 100644
--- a/src/backend_x64/emit_x64_vector.cpp
+++ b/src/backend_x64/emit_x64_vector.cpp
@@ -1460,13 +1460,7 @@ void EmitX64::EmitVectorMultiply32(EmitContext& ctx, IR::Inst* inst) {
 
 void EmitX64::EmitVectorMultiply64(EmitContext& ctx, IR::Inst* inst) {
     if (code.DoesCpuSupport(Xbyak::util::Cpu::tAVX512DQ) && code.DoesCpuSupport(Xbyak::util::Cpu::tAVX512VL)) {
-        auto args = ctx.reg_alloc.GetArgumentInfo(inst);
-        const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
-        const Xbyak::Xmm b = ctx.reg_alloc.UseXmm(args[1]);
-
-        code.vpmullq(a, a, b);
-
-        ctx.reg_alloc.DefineValue(inst, a);
+        EmitAVXVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::vpmullq);
         return;
     }