1#ifndef __alpha_regdef_h__ 2#define __alpha_regdef_h__ 3 4#define v0 $0 /* function return value */ 5 6#define t0 $1 /* temporary registers (caller-saved) */ 7#define t1 $2 8#define t2 $3 9#define t3 $4 10#define t4 $5 11#define t5 $6 12#define t6 $7 13#define t7 $8 14 15#define s0 $9 /* saved-registers (callee-saved registers) */ 16#define s1 $10 17#define s2 $11 18#define s3 $12 19#define s4 $13 20#define s5 $14 21#define s6 $15 22#define fp s6 /* frame-pointer (s6 in frame-less procedures) */ 23 24#define a0 $16 /* argument registers (caller-saved) */ 25#define a1 $17 26#define a2 $18 27#define a3 $19 28#define a4 $20 29#define a5 $21 30 31#define t8 $22 /* more temps (caller-saved) */ 32#define t9 $23 33#define t10 $24 34#define t11 $25 35#define ra $26 /* return address register */ 36#define t12 $27 37 38#define pv t12 /* procedure-variable register */ 39#define AT $at /* assembler temporary */ 40#define gp $29 /* global pointer */ 41#define sp $30 /* stack pointer */ 42#define zero $31 /* reads as zero, writes are noops */ 43 44#endif /* __alpha_regdef_h__ */ 45