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authorRichard Henderson <rth@twiddle.net>2013-02-13 17:47:43 -0800
committerBlue Swirl <blauwirbel@gmail.com>2013-02-16 11:12:52 +0000
commit453776e5746be23c66df65fadf12e115b7d2dadd (patch)
tree5bf66de070616f88a8caad8f0ae108a5c3a5c682 /include
parent0f9d8bd386c9b7b17fc68fef36caa81750c39494 (diff)
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bitops: Remove routines redundant with host-utils
Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'include')
-rw-r--r--include/qemu/bitops.h48
1 files changed, 0 insertions, 48 deletions
diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h
index b50629b..affcc96 100644
--- a/include/qemu/bitops.h
+++ b/include/qemu/bitops.h
@@ -24,54 +24,6 @@
#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
/**
- * bitops_ctzl - count trailing zeroes in word.
- * @word: The word to search
- *
- * Returns -1 if no bit exists. Note that compared to the C library
- * routine ffsl, this one returns one less.
- */
-static unsigned long bitops_ctzl(unsigned long word)
-{
-#if QEMU_GNUC_PREREQ(3, 4)
- return __builtin_ffsl(word) - 1;
-#else
- if (!word) {
- return -1;
- }
-
- if (sizeof(long) == 4) {
- return ctz32(word);
- } else if (sizeof(long) == 8) {
- return ctz64(word);
- } else {
- abort();
- }
-#endif
-}
-
-/**
- * bitops_fls - find last (most-significant) set bit in a long word
- * @word: the word to search
- *
- * Undefined if no set bit exists, so code should check against 0 first.
- */
-static inline unsigned long bitops_flsl(unsigned long word)
-{
- return BITS_PER_LONG - 1 - clzl(word);
-}
-
-/**
- * cto - count trailing ones in word.
- * @word: The word to search
- *
- * Returns -1 if all bit are set.
- */
-static inline unsigned long bitops_ctol(unsigned long word)
-{
- return bitops_ctzl(~word);
-}
-
-/**
* set_bit - Set a bit in memory
* @nr: the bit to set
* @addr: the address to start counting from