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Diffstat (limited to 'include/asm-cris/arch-v32/bitops.h')
-rw-r--r--include/asm-cris/arch-v32/bitops.h64
1 files changed, 0 insertions, 64 deletions
diff --git a/include/asm-cris/arch-v32/bitops.h b/include/asm-cris/arch-v32/bitops.h
deleted file mode 100644
index 147689d6b62..00000000000
--- a/include/asm-cris/arch-v32/bitops.h
+++ /dev/null
@@ -1,64 +0,0 @@
-#ifndef _ASM_CRIS_ARCH_BITOPS_H
-#define _ASM_CRIS_ARCH_BITOPS_H
-
-/*
- * Helper functions for the core of the ff[sz] functions. They compute the
- * number of leading zeroes of a bits-in-byte, byte-in-word and
- * word-in-dword-swapped number. They differ in that the first function also
- * inverts all bits in the input.
- */
-
-static inline unsigned long
-cris_swapnwbrlz(unsigned long w)
-{
- unsigned long res;
-
- __asm__ __volatile__ ("swapnwbr %0\n\t"
- "lz %0,%0"
- : "=r" (res) : "0" (w));
-
- return res;
-}
-
-static inline unsigned long
-cris_swapwbrlz(unsigned long w)
-{
- unsigned long res;
-
- __asm__ __volatile__ ("swapwbr %0\n\t"
- "lz %0,%0"
- : "=r" (res) : "0" (w));
-
- return res;
-}
-
-/*
- * Find First Zero in word. Undefined if no zero exist, so the caller should
- * check against ~0 first.
- */
-static inline unsigned long
-ffz(unsigned long w)
-{
- return cris_swapnwbrlz(w);
-}
-
-/*
- * Find First Set bit in word. Undefined if no 1 exist, so the caller
- * should check against 0 first.
- */
-static inline unsigned long
-__ffs(unsigned long w)
-{
- return cris_swapnwbrlz(~w);
-}
-
-/*
- * Find First Bit that is set.
- */
-static inline unsigned long
-kernel_ffs(unsigned long w)
-{
- return w ? cris_swapwbrlz (w) + 1 : 0;
-}
-
-#endif /* _ASM_CRIS_ARCH_BITOPS_H */