__builtin_clzl 55 arch/alpha/include/uapi/asm/compiler.h # define __kernel_ctlz(x) __builtin_clzl(x) __builtin_clzl 1787 arch/powerpc/lib/sstep.c op->val = ( val ? __builtin_clzl(val) : 64 ); __builtin_clzl 78 arch/powerpc/mm/book3s64/pkeys.c BUILD_BUG_ON(__builtin_clzl(ARCH_VM_PKEY_FLAGS >> VM_PKEY_SHIFT) + __builtin_clzl 566 drivers/fsi/fsi-core.c count_unit = BIT(8 * sizeof(unsigned long) - 1 - __builtin_clzl(count)); __builtin_clzl 13 include/asm-generic/bitops/builtin-__fls.h return (sizeof(word) * 8) - 1 - __builtin_clzl(word);