diff --git a/README.md b/README.md
index 28f9d77..168cd9c 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,20 @@ Only with kernel compiled with:
     -I /home/rocm/blender/intern/cycles \
     --genco /home/rocm/blender/intern/cycles/kernel/device/hip/kernel.cpp \
     -o kernel_gfx803.fatbin
+
+# Same as:
+/usr/bin/hipcc \
+    --amdgpu-target=gfx803 \
+    --genco /home/rocm/blender/intern/cycles/kernel/device/hip/kernel.cpp \
+    -D CCL_NAMESPACE_BEGIN= \
+    -D CCL_NAMESPACE_END= \
+    -D HIPCC \
+    -I /home/rocm/blender/intern/cycles/kernel/.. \
+    -I /home/rocm/blender/intern/cycles/kernel/device/hip \
+    -Wno-parentheses-equality \
+    -Wno-unused-value \
+    -O3 \
+    -o kernel_gfx803-O3-original.fatbin
 ```
 
 ## Monitor