rv64/all.h

   1 #include "../all.h"
   2
   3 typedef struct Rv64Op Rv64Op;
   4
   5 enum Rv64Reg {
   6         /* caller-save */
   7         T0 = RXX + 1, T1, T2, T3, T4, T5,
   8         A0, A1, A2, A3, A4, A5, A6, A7,
   9
  10         /* callee-save */
  11         S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11,
  12
  13         /* globally live */
  14         FP, SP, GP, TP, RA,
  15
  16         /* FP caller-save */
  17         FT0, FT1, FT2, FT3, FT4, FT5, FT6, FT7, FT8, FT9, FT10,
  18         FA0, FA1, FA2, FA3, FA4, FA5, FA6, FA7,
  19
  20         /* FP callee-save */
  21         FS0, FS1, FS2, FS3, FS4, FS5, FS6, FS7, FS8, FS9, FS10, FS11,
  22
  23         /* reserved (see rv64/emit.c) */
  24         T6, FT11,
  25
  26         NFPR = FS11 - FT0 + 1,
  27         NGPR = RA - T0 + 1,
  28         NGPS = A7 - T0 + 1,
  29         NFPS = FA7 - FT0 + 1,
  30         NCLR = (S11 - S1 + 1) + (FS11 - FS0 + 1),
  31 };
  32 MAKESURE(reg_not_tmp, FT11 < (int)Tmp0);
  33
  34 struct Rv64Op {
  35         char imm;
  36 };
  37
  38 /* targ.c */
  39 extern int rv64_rsave[];
  40 extern int rv64_rclob[];
  41 extern Rv64Op rv64_op[];
  42
  43 /* abi.c */
  44 bits rv64_retregs(Ref, int[2]);
  45 bits rv64_argregs(Ref, int[2]);
  46 void rv64_abi(Fn *);
  47
  48 /* isel.c */
  49 void rv64_isel(Fn *);
  50
  51 /* emit.c */
  52 void rv64_emitfn(Fn *, FILE *);