qatomic.s

来自「QT 开发环境里面一个很重要的文件」· S 代码 · 共 147 行

	.set noreorder
	.set volatile
	.set noat
	.arch ev4
	.text
	.align 2
	.align 4
	.globl q_atomic_test_and_set_int
	.ent q_atomic_test_and_set_int
q_atomic_test_and_set_int:
	.frame $30,0,$26,0
	.prologue 0
1:	ldl_l $0,0($16)
	cmpeq $0,$17,$0
	beq   $0,3f
	mov   $18,$0
	stl_c $0,0($16)
	beq   $0,2f
	br    3f
2:	br    1b
3:	addl  $31,$0,$0
	ret   $31,($26),1
	.end q_atomic_test_and_set_int
	.align 2
	.align 4
	.globl q_atomic_test_and_set_acquire_int
	.ent q_atomic_test_and_set_acquire_int
q_atomic_test_and_set_acquire_int:
	.frame $30,0,$26,0
	.prologue 0
1:	ldl_l $0,0($16)
	cmpeq $0,$17,$0
	beq   $0,3f
	mov   $18,$0
	stl_c $0,0($16)
	beq   $0,2f
	br    3f
2:	br    1b
3:	mb
	addl  $31,$0,$0
	ret   $31,($26),1
	.end q_atomic_test_and_set_acquire_int
	.align 2
	.align 4
	.globl q_atomic_test_and_set_release_int
	.ent q_atomic_test_and_set_release_int
q_atomic_test_and_set_release_int:
	.frame $30,0,$26,0
	.prologue 0
	mb
1:	ldl_l $0,0($16)
	cmpeq $0,$17,$0
	beq   $0,3f
	mov   $18,$0
	stl_c $0,0($16)
	beq   $0,2f
	br    3f
2:	br    1b
3:	addl  $31,$0,$0
	ret   $31,($26),1
	.end q_atomic_test_and_set_release_int
	.align 2
	.align 4
	.globl q_atomic_test_and_set_ptr
	.ent q_atomic_test_and_set_ptr
q_atomic_test_and_set_ptr:
	.frame $30,0,$26,0
	.prologue 0
1:	ldq_l $0,0($16)
	cmpeq $0,$17,$0
	beq   $0,3f
	mov   $18,$0
	stq_c $0,0($16)
	beq   $0,2f
	br    3f
2:	br    1b
3:	addl  $31,$0,$0
	ret   $31,($26),1
	.end q_atomic_test_and_set_ptr
	.align 2
	.align 4
	.globl q_atomic_increment
	.ent q_atomic_increment
q_atomic_increment:
	.frame $30,0,$26,0
	.prologue 0
1:	ldl_l $0,0($16)
	addl  $0,1,$1
	stl_c $1,0($16)
	beq   $1,2f
	br    3f
2:	br    1b
3:	addl $31,$0,$0
	cmpeq $0,$1,$0
	xor $0,1,$0
	ret $31,($26),1
	.end q_atomic_increment
	.align 2
	.align 4
	.globl q_atomic_decrement
	.ent q_atomic_decrement
q_atomic_decrement:
	.frame $30,0,$26,0
	.prologue 0
1:	ldl_l $0,0($16)
	subl  $0,1,$1
	stl_c $1,0($16)
	beq   $1,2f
	br    3f
2:	br    1b
3:	addl  $31,$0,$0
	cmpeq $0,1,$0
	xor $0,1,$0
	ret $31,($26),1
	.end q_atomic_decrement
	.align 2
	.align 4
	.globl q_atomic_set_int
	.ent q_atomic_set_int
q_atomic_set_int:
	.frame $30,0,$26,0
	.prologue 0
1:	ldl_l $0,0($16)
	mov   $17,$1
	stl_c $1,0($16)
	beq   $1,2f
	br    3f
2:	br    1b
3:	addl  $31,$0,$0
	ret   $31,($26),1
	.end q_atomic_set_int
	.align 2
	.align 4
	.globl q_atomic_set_ptr
	.ent q_atomic_set_ptr
q_atomic_set_ptr:
	.frame $30,0,$26,0
	.prologue 0
1:	ldq_l $0,0($16)
	mov   $17,$1
	stq_c $1,0($16)
	beq   $1,2f
	br    3f
2:	br    1b
3:	ret   $31,($26),1
	.end q_atomic_set_ptr