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authorIngo Molnar <mingo@kernel.org>2015-10-20 04:16:46 -0400
committerIngo Molnar <mingo@kernel.org>2015-10-20 04:16:46 -0400
commita1a2ab2ff7040bdc9a31bfe7173913971f7d723b (patch)
treea5b448aaedafafca6974710b7d64074ed964fe24 /arch/tile
parent00eb4bab69db349c3bdc7e0b0f7e9070dafea58c (diff)
parent7379047d5585187d1288486d4627873170d0005a (diff)
Merge tag 'v4.3-rc6' into locking/core, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/tile')
-rw-r--r--arch/tile/include/asm/Kbuild1
-rw-r--r--arch/tile/include/asm/word-at-a-time.h8
2 files changed, 7 insertions, 2 deletions
diff --git a/arch/tile/include/asm/Kbuild b/arch/tile/include/asm/Kbuild
index 0b6cacaad933..ba35c41c71ff 100644
--- a/arch/tile/include/asm/Kbuild
+++ b/arch/tile/include/asm/Kbuild
@@ -40,5 +40,4 @@ generic-y += termbits.h
40generic-y += termios.h 40generic-y += termios.h
41generic-y += trace_clock.h 41generic-y += trace_clock.h
42generic-y += types.h 42generic-y += types.h
43generic-y += word-at-a-time.h
44generic-y += xor.h 43generic-y += xor.h
diff --git a/arch/tile/include/asm/word-at-a-time.h b/arch/tile/include/asm/word-at-a-time.h
index 9e5ce0d7b292..b66a693c2c34 100644
--- a/arch/tile/include/asm/word-at-a-time.h
+++ b/arch/tile/include/asm/word-at-a-time.h
@@ -6,7 +6,7 @@
6struct word_at_a_time { /* unused */ }; 6struct word_at_a_time { /* unused */ };
7#define WORD_AT_A_TIME_CONSTANTS {} 7#define WORD_AT_A_TIME_CONSTANTS {}
8 8
9/* Generate 0x01 byte values for non-zero bytes using a SIMD instruction. */ 9/* Generate 0x01 byte values for zero bytes using a SIMD instruction. */
10static inline unsigned long has_zero(unsigned long val, unsigned long *data, 10static inline unsigned long has_zero(unsigned long val, unsigned long *data,
11 const struct word_at_a_time *c) 11 const struct word_at_a_time *c)
12{ 12{
@@ -33,4 +33,10 @@ static inline long find_zero(unsigned long mask)
33#endif 33#endif
34} 34}
35 35
36#ifdef __BIG_ENDIAN
37#define zero_bytemask(mask) (~1ul << (63 - __builtin_clzl(mask)))
38#else
39#define zero_bytemask(mask) ((2ul << __builtin_ctzl(mask)) - 1)
40#endif
41
36#endif /* _ASM_WORD_AT_A_TIME_H */ 42#endif /* _ASM_WORD_AT_A_TIME_H */