28 		".set\tpush\n\t"  in __sti()
29 		".set\treorder\n\t"  in __sti()
30 		".set\tnoat\n\t"  in __sti()
31 		"mfc0\t$1,$12\n\t"  in __sti()
32 		"ori\t$1,0x1f\n\t"  in __sti()
33 		"xori\t$1,0x1e\n\t"  in __sti()
34 		"mtc0\t$1,$12\n\t"  in __sti()
35 		".set\tpop\n\t"  in __sti()
52 		".set\tpush\n\t"  in __cli()
53 		".set\treorder\n\t"  in __cli()
54 		".set\tnoat\n\t"  in __cli()
55 		"mfc0\t$1,$12\n\t"  in __cli()
56 		"ori\t$1,1\n\t"  in __cli()
57 		"xori\t$1,1\n\t"  in __cli()
58 		".set\tnoreorder\n\t"  in __cli()
59 		"mtc0\t$1,$12\n\t"  in __cli()
60 		"nop\n\t"  in __cli()
61 		"nop\n\t"  in __cli()
62 		"nop\n\t"  in __cli()
63 		".set\tpop\n\t"  in __cli()
71 	".set\tpush\n\t"						\
72 	".set\treorder\n\t"						\
73 	"mfc0\t%0,$12\n\t"						\
74 	".set\tpop\n\t"							\
79 	".set\tpush\n\t"						\
80 	".set\treorder\n\t"						\
81 	".set\tnoat\n\t"						\
82 	"mfc0\t%0,$12\n\t"						\
83 	"ori\t$1,%0,1\n\t"						\
84 	"xori\t$1,1\n\t"						\
85 	".set\tnoreorder\n\t"						\
86 	"mtc0\t$1,$12\n\t"						\
87 	"nop\n\t"							\
88 	"nop\n\t"							\
89 	"nop\n\t"							\
90 	".set\tpop\n\t"							\
100 		".set\tnoreorder\t\t\t# __restore_flags\n\t"		\
101 		".set\tnoat\n\t"					\
102 		"mfc0\t$1, $12\n\t"					\
103 		"andi\t%0, 1\n\t"					\
104 		"ori\t$1, 1\n\t"					\
105 		"xori\t$1, 1\n\t"					\
106 		"or\t%0, $1\n\t"					\
107 		"mtc0\t%0, $12\n\t"					\
108 		"nop\n\t"						\
109 		"nop\n\t"						\
110 		"nop\n\t"						\
111 		".set\tat\n\t"						\
160 	"# prevent instructions being moved around\n\t"	\
161 	".set\tnoreorder\n\t"				\
162 	"# 8 nops to fool the R4400 pipeline\n\t"	\
163 	"nop;nop;nop;nop;nop;nop;nop;nop\n\t"		\
192  * checking that n isn't the current task, in which case it does nothing.
207  * FIXME: This doesn't work for R3000 machines.
215 		".set\tnoreorder\t\t\t# xchg_u32\n\t"  in xchg_u32()
216 		".set\tnoat\n\t"  in xchg_u32()
217 		"ll\t%0, %3\n"  in xchg_u32()
218 		"1:\tmove\t$1, %2\n\t"  in xchg_u32()
219 		"sc\t$1, %1\n\t"  in xchg_u32()
220 		"beqzl\t$1, 1b\n\t"  in xchg_u32()
221 		" ll\t%0, %3\n\t"  in xchg_u32()
222 		".set\tat\n\t"  in xchg_u32()
279 	__stringify(PTR_LA) "\t%0, 1f\n"  in instruction_hazard_barrier()