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kernel add
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#ifndef __alpha_regdef_h__
#define __alpha_regdef_h__
#define v0 $0 /* function return value */
#define t0 $1 /* temporary registers (caller-saved) */
#define t1 $2
#define t2 $3
#define t3 $4
#define t4 $5
#define t5 $6
#define t6 $7
#define t7 $8
#define s0 $9 /* saved-registers (callee-saved registers) */
#define s1 $10
#define s2 $11
#define s3 $12
#define s4 $13
#define s5 $14
#define s6 $15
#define fp s6 /* frame-pointer (s6 in frame-less procedures) */
#define a0 $16 /* argument registers (caller-saved) */
#define a1 $17
#define a2 $18
#define a3 $19
#define a4 $20
#define a5 $21
#define t8 $22 /* more temps (caller-saved) */
#define t9 $23
#define t10 $24
#define t11 $25
#define ra $26 /* return address register */
#define t12 $27
#define pv t12 /* procedure-variable register */
#define AT $at /* assembler temporary */
#define gp $29 /* global pointer */
#define sp $30 /* stack pointer */
#define zero $31 /* reads as zero, writes are noops */
#endif /* __alpha_regdef_h__ */
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