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Diffstat (limited to 'include/asm-cris/arch-v10/bitops.h')
-rw-r--r--include/asm-cris/arch-v10/bitops.h73
1 files changed, 0 insertions, 73 deletions
diff --git a/include/asm-cris/arch-v10/bitops.h b/include/asm-cris/arch-v10/bitops.h
deleted file mode 100644
index be85f6de25d..00000000000
--- a/include/asm-cris/arch-v10/bitops.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/* asm/arch/bitops.h for Linux/CRISv10 */
-
-#ifndef _CRIS_ARCH_BITOPS_H
-#define _CRIS_ARCH_BITOPS_H
-
-/*
- * Helper functions for the core of the ff[sz] functions, wrapping the
- * syntactically awkward asms. The asms compute the number of leading
- * zeroes of a bits-in-byte and 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)
-{
- /* Let's just say we return the result in the same register as the
- input. Saying we clobber the input but can return the result
- in another register:
- ! __asm__ ("swapnwbr %2\n\tlz %2,%0"
- ! : "=r,r" (res), "=r,X" (dummy) : "1,0" (w));
- confuses gcc (sched.c, gcc from cris-dist-1.14). */
-
- unsigned long res;
- __asm__ ("swapnwbr %0 \n\t"
- "lz %0,%0"
- : "=r" (res) : "0" (w));
- return res;
-}
-
-static inline unsigned long cris_swapwbrlz(unsigned long w)
-{
- unsigned res;
- __asm__ ("swapwbr %0 \n\t"
- "lz %0,%0"
- : "=r" (res)
- : "0" (w));
- return res;
-}
-
-/*
- * ffz = Find First Zero in word. Undefined if no zero exists,
- * so code should check against ~0UL first..
- */
-static inline unsigned long ffz(unsigned long w)
-{
- return cris_swapnwbrlz(w);
-}
-
-/**
- * __ffs - find first bit in word.
- * @word: The word to search
- *
- * Undefined if no bit exists, so code should check against 0 first.
- */
-static inline unsigned long __ffs(unsigned long word)
-{
- return cris_swapnwbrlz(~word);
-}
-
-/**
- * ffs - find first bit set
- * @x: the word to search
- *
- * This is defined the same way as
- * the libc and compiler builtin ffs routines, therefore
- * differs in spirit from the above ffz (man ffs).
- */
-
-static inline unsigned long kernel_ffs(unsigned long w)
-{
- return w ? cris_swapwbrlz (w) + 1 : 0;
-}
-
-#endif