arm64/targ.c

   1 #include "all.h"
   2
   3 int arm64_rsave[] = {
   4         R0,  R1,  R2,  R3,  R4,  R5,  R6,  R7,
   5         R8,  R9,  R10, R11, R12, R13, R14, R15,
   6         IP0, IP1, R18,
   7         V0,  V1,  V2,  V3,  V4,  V5,  V6,  V7,
   8         V16, V17, V18, V19, V20, V21, V22, V23,
   9         V24, V25, V26, V27, V28, V29, V30,
  10         -1
  11 };
  12 int arm64_rclob[] = {
  13         R19, R20, R21, R22, R23, R24, R25, R26,
  14         R27, R28,
  15         V8,  V9,  V10, V11, V12, V13, V14, V15,
  16         -1
  17 };
  18
  19 #define RGLOB (BIT(FP) | BIT(SP) | BIT(R18))
  20
  21 static int
  22 arm64_memargs(int op)
  23 {
  24         (void)op;
  25         return 0;
  26 }
  27
  28 Target T_arm64 = {
  29         .gpr0 = R0,
  30         .ngpr = NGPR,
  31         .fpr0 = V0,
  32         .nfpr = NFPR,
  33         .rglob = RGLOB,
  34         .nrglob = 3,
  35         .rsave = arm64_rsave,
  36         .nrsave = {NGPS, NFPS},
  37         .retregs = arm64_retregs,
  38         .argregs = arm64_argregs,
  39         .memargs = arm64_memargs,
  40         .abi = arm64_abi,
  41         .isel = arm64_isel,
  42         .emitfn = arm64_emitfn,
  43 };
  44
  45 MAKESURE(globals_are_not_arguments,
  46         (RGLOB & (BIT(R8+1) - 1)) == 0
  47 );
  48 MAKESURE(arrays_size_ok,
  49         sizeof arm64_rsave == (NGPS+NFPS+1) * sizeof(int) &&
  50         sizeof arm64_rclob == (NCLR+1) * sizeof(int)
  51 );