6  * Copyright (c) 1994-1997, 99, 2000, 06, 07 Ralf Baechle (ralf@linux-mips.org)
16  * __mips_set_bit - Atomically set a bit in memory.  This is called by
17  * set_bit() if it cannot find a faster solution.
18  * @nr: the bit to set
23 	volatile unsigned long *a = &addr[BIT_WORD(nr)];  in __mips_set_bit()  local
24 	unsigned int bit = nr % BITS_PER_LONG;  in __mips_set_bit()  local
28 	mask = 1UL << bit;  in __mips_set_bit()
30 	*a |= mask;  in __mips_set_bit()
37  * __mips_clear_bit - Clears a bit in memory.  This is called by clear_bit() if
38  * it cannot find a faster solution.
39  * @nr: Bit to clear
44 	volatile unsigned long *a = &addr[BIT_WORD(nr)];  in __mips_clear_bit()  local
45 	unsigned int bit = nr % BITS_PER_LONG;  in __mips_clear_bit()  local
49 	mask = 1UL << bit;  in __mips_clear_bit()
51 	*a &= ~mask;  in __mips_clear_bit()
58  * __mips_change_bit - Toggle a bit in memory.	This is called by change_bit()
59  * if it cannot find a faster solution.
60  * @nr: Bit to change
65 	volatile unsigned long *a = &addr[BIT_WORD(nr)];  in __mips_change_bit()  local
66 	unsigned int bit = nr % BITS_PER_LONG;  in __mips_change_bit()  local
70 	mask = 1UL << bit;  in __mips_change_bit()
72 	*a ^= mask;  in __mips_change_bit()
79  * __mips_test_and_set_bit_lock - Set a bit and return its old value.  This is
80  * called by test_and_set_bit_lock() if it cannot find a faster solution.
81  * @nr: Bit to set
87 	volatile unsigned long *a = &addr[BIT_WORD(nr)];  in __mips_test_and_set_bit_lock()  local
88 	unsigned int bit = nr % BITS_PER_LONG;  in __mips_test_and_set_bit_lock()  local
93 	mask = 1UL << bit;  in __mips_test_and_set_bit_lock()
95 	res = (mask & *a) != 0;  in __mips_test_and_set_bit_lock()
96 	*a |= mask;  in __mips_test_and_set_bit_lock()
104  * __mips_test_and_clear_bit - Clear a bit and return its old value.  This is
105  * called by test_and_clear_bit() if it cannot find a faster solution.
106  * @nr: Bit to clear
111 	volatile unsigned long *a = &addr[BIT_WORD(nr)];  in __mips_test_and_clear_bit()  local
112 	unsigned int bit = nr % BITS_PER_LONG;  in __mips_test_and_clear_bit()  local
117 	mask = 1UL << bit;  in __mips_test_and_clear_bit()
119 	res = (mask & *a) != 0;  in __mips_test_and_clear_bit()
120 	*a &= ~mask;  in __mips_test_and_clear_bit()
128  * __mips_test_and_change_bit - Change a bit and return its old value.	This is
129  * called by test_and_change_bit() if it cannot find a faster solution.
130  * @nr: Bit to change
135 	volatile unsigned long *a = &addr[BIT_WORD(nr)];  in __mips_test_and_change_bit()  local
136 	unsigned int bit = nr % BITS_PER_LONG;  in __mips_test_and_change_bit()  local
141 	mask = 1UL << bit;  in __mips_test_and_change_bit()
143 	res = (mask & *a) != 0;  in __mips_test_and_change_bit()
144 	*a ^= mask;  in __mips_test_and_change_bit()
161 	return (data & BIT(7)) != 0;  in __mips_xor_is_negative_byte()