| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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__ */ |