diff options
Diffstat (limited to 'include/qemu/bitops.h')
| -rw-r--r-- | include/qemu/bitops.h | 52 |
1 files changed, 32 insertions, 20 deletions
diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h index ee76552..02c1ce6 100644 --- a/include/qemu/bitops.h +++ b/include/qemu/bitops.h @@ -424,13 +424,16 @@ static inline uint64_t deposit64(uint64_t value, int start, int length, /** * half_shuffle32: - * @value: 32-bit value (of which only the bottom 16 bits are of interest) + * @x: 32-bit value (of which only the bottom 16 bits are of interest) + * + * Given an input value:: + * + * xxxx xxxx xxxx xxxx ABCD EFGH IJKL MNOP * - * Given an input value: - * xxxx xxxx xxxx xxxx ABCD EFGH IJKL MNOP * return the value where the bottom 16 bits are spread out into - * the odd bits in the word, and the even bits are zeroed: - * 0A0B 0C0D 0E0F 0G0H 0I0J 0K0L 0M0N 0O0P + * the odd bits in the word, and the even bits are zeroed:: + * + * 0A0B 0C0D 0E0F 0G0H 0I0J 0K0L 0M0N 0O0P * * Any bits set in the top half of the input are ignored. * @@ -450,13 +453,16 @@ static inline uint32_t half_shuffle32(uint32_t x) /** * half_shuffle64: - * @value: 64-bit value (of which only the bottom 32 bits are of interest) + * @x: 64-bit value (of which only the bottom 32 bits are of interest) + * + * Given an input value:: + * + * xxxx xxxx xxxx .... xxxx xxxx ABCD EFGH IJKL MNOP QRST UVWX YZab cdef * - * Given an input value: - * xxxx xxxx xxxx .... xxxx xxxx ABCD EFGH IJKL MNOP QRST UVWX YZab cdef * return the value where the bottom 32 bits are spread out into - * the odd bits in the word, and the even bits are zeroed: - * 0A0B 0C0D 0E0F 0G0H 0I0J 0K0L 0M0N .... 0U0V 0W0X 0Y0Z 0a0b 0c0d 0e0f + * the odd bits in the word, and the even bits are zeroed:: + * + * 0A0B 0C0D 0E0F 0G0H 0I0J 0K0L 0M0N .... 0U0V 0W0X 0Y0Z 0a0b 0c0d 0e0f * * Any bits set in the top half of the input are ignored. * @@ -477,13 +483,16 @@ static inline uint64_t half_shuffle64(uint64_t x) /** * half_unshuffle32: - * @value: 32-bit value (of which only the odd bits are of interest) + * @x: 32-bit value (of which only the odd bits are of interest) + * + * Given an input value:: + * + * xAxB xCxD xExF xGxH xIxJ xKxL xMxN xOxP * - * Given an input value: - * xAxB xCxD xExF xGxH xIxJ xKxL xMxN xOxP * return the value where all the odd bits are compressed down - * into the low half of the word, and the high half is zeroed: - * 0000 0000 0000 0000 ABCD EFGH IJKL MNOP + * into the low half of the word, and the high half is zeroed:: + * + * 0000 0000 0000 0000 ABCD EFGH IJKL MNOP * * Any even bits set in the input are ignored. * @@ -504,13 +513,16 @@ static inline uint32_t half_unshuffle32(uint32_t x) /** * half_unshuffle64: - * @value: 64-bit value (of which only the odd bits are of interest) + * @x: 64-bit value (of which only the odd bits are of interest) + * + * Given an input value:: + * + * xAxB xCxD xExF xGxH xIxJ xKxL xMxN .... xUxV xWxX xYxZ xaxb xcxd xexf * - * Given an input value: - * xAxB xCxD xExF xGxH xIxJ xKxL xMxN .... xUxV xWxX xYxZ xaxb xcxd xexf * return the value where all the odd bits are compressed down - * into the low half of the word, and the high half is zeroed: - * 0000 0000 0000 .... 0000 0000 ABCD EFGH IJKL MNOP QRST UVWX YZab cdef + * into the low half of the word, and the high half is zeroed:: + * + * 0000 0000 0000 .... 0000 0000 ABCD EFGH IJKL MNOP QRST UVWX YZab cdef * * Any even bits set in the input are ignored. * |