|  | #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__ */ |