1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
#include "../all.h"
typedef struct Rv64Op Rv64Op;
enum Rv64Reg {
/* caller-save */
T0 = RXX + 1, T1, T2, T3, T4, T5,
A0, A1, A2, A3, A4, A5, A6, A7,
/* callee-save */
S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11,
/* globally live */
FP, SP, GP, TP, RA, T6,
/* FP caller-save */
FT0, FT1, FT2, FT3, FT4, FT5, FT6, FT7, FT8, FT9, FT10, FT11,
FA0, FA1, FA2, FA3, FA4, FA5, FA6, FA7,
/* FP callee-save */
FS0, FS1, FS2, FS3, FS4, FS5, FS6, FS7, FS8, FS9, FS10, FS11,
NFPR = FS11 - FT0 + 1,
NGPR = T6 - T0 + 1,
NGPS = A7 - T0 + 1,
NFPS = FA7 - FT0 + 1,
NCLR = (S11 - S1 + 1) + (FS11 - FS0 + 1),
};
MAKESURE(reg_not_tmp, FS11 < (int)Tmp0);
struct Rv64Op {
char imm;
};
/* targ.c */
extern int rv64_rsave[];
extern int rv64_rclob[];
extern Rv64Op rv64_op[];
/* abi.c */
bits rv64_retregs(Ref, int[2]);
bits rv64_argregs(Ref, int[2]);
void rv64_abi(Fn *);
/* isel.c */
void rv64_isel(Fn *);
/* emit.c */
void rv64_emitfn(Fn *, FILE *);
|
