/* https://cirosantilli.com/linux-kernel-module-cheat#arm-bitwise-instructions */

#include <lkmc.h>

LKMC_PROLOGUE
    ldr r0, =0x7FFFFFFF
    clz r1, r0
    LKMC_ASSERT_EQ(r1, =1)

    ldr r0, =0x3FFFFFFF
    clz r1, r0
    LKMC_ASSERT_EQ(r1, =2)

    ldr r0, =0x1FFFFFFF
    clz r1, r0
    LKMC_ASSERT_EQ(r1, =3)
LKMC_EPILOGUE