lib: crc32: Add some additional __pure annotations
In case they help the compiler. Signed-off-by: George Spelvin <linux@horizon.com> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -8,8 +8,8 @@
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#include <linux/types.h>
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#include <linux/bitrev.h>
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extern u32 crc32_le(u32 crc, unsigned char const *p, size_t len);
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extern u32 crc32_be(u32 crc, unsigned char const *p, size_t len);
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u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len);
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u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len);
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/**
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* crc32_le_combine - Combine two crc32 check values into one. For two
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@ -36,7 +36,7 @@ static inline u32 crc32_le_combine(u32 crc1, u32 crc2, size_t len2)
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return crc32_le_shift(crc1, len2) ^ crc2;
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}
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extern u32 __crc32c_le(u32 crc, unsigned char const *p, size_t len);
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u32 __pure __crc32c_le(u32 crc, unsigned char const *p, size_t len);
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/**
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* __crc32c_le_combine - Combine two crc32c check values into one. For two
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@ -53,7 +53,7 @@ MODULE_LICENSE("GPL");
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#if CRC_LE_BITS > 8 || CRC_BE_BITS > 8
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/* implements slicing-by-4 or slicing-by-8 algorithm */
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static inline u32
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static inline u32 __pure
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crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 (*tab)[256])
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{
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# ifdef __LITTLE_ENDIAN
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