target-sparc/op_mem.h

   1 /***                             Integer load                              ***/
   2 #define SPARC_LD_OP(name, qp)                                                 \
   3 void OPPROTO glue(glue(op_, name), MEMSUFFIX)(void)                           \
   4 {                                                                             \
   5     T1 = (target_ulong)glue(qp, MEMSUFFIX)(T0);                         \
   6 }
   7
   8 #define SPARC_LD_OP_S(name, qp)                                         \
   9     void OPPROTO glue(glue(op_, name), MEMSUFFIX)(void)                 \
  10     {                                                                   \
  11         T1 = (target_long)glue(qp, MEMSUFFIX)(T0);                      \
  12     }
  13
  14 #define SPARC_ST_OP(name, op)                                                 \
  15 void OPPROTO glue(glue(op_, name), MEMSUFFIX)(void)                           \
  16 {                                                                             \
  17     glue(op, MEMSUFFIX)(T0, T1);                                      \
  18 }
  19
  20 SPARC_LD_OP(ld, ldl);
  21 SPARC_LD_OP(ldub, ldub);
  22 SPARC_LD_OP(lduh, lduw);
  23 SPARC_LD_OP_S(ldsb, ldsb);
  24 SPARC_LD_OP_S(ldsh, ldsw);
  25
  26 /***                              Integer store                            ***/
  27 SPARC_ST_OP(st, stl);
  28 SPARC_ST_OP(stb, stb);
  29 SPARC_ST_OP(sth, stw);
  30
  31 void OPPROTO glue(op_std, MEMSUFFIX)(void)
  32 {
  33     glue(stl, MEMSUFFIX)(T0, T1);
  34     glue(stl, MEMSUFFIX)((T0 + 4), T2);
  35 }
  36
  37 void OPPROTO glue(op_ldstub, MEMSUFFIX)(void)
  38 {
  39     T1 = glue(ldub, MEMSUFFIX)(T0);
  40     glue(stb, MEMSUFFIX)(T0, 0xff);     /* XXX: Should be Atomically */
  41 }
  42
  43 void OPPROTO glue(op_swap, MEMSUFFIX)(void)
  44 {
  45     target_ulong tmp = glue(ldl, MEMSUFFIX)(T0);
  46     glue(stl, MEMSUFFIX)(T0, T1);       /* XXX: Should be Atomically */
  47     T1 = tmp;
  48 }
  49
  50 void OPPROTO glue(op_ldd, MEMSUFFIX)(void)
  51 {
  52     T1 = glue(ldl, MEMSUFFIX)(T0);
  53     T0 = glue(ldl, MEMSUFFIX)((T0 + 4));
  54 }
  55
  56 /***                         Floating-point store                          ***/
  57 void OPPROTO glue(op_stf, MEMSUFFIX) (void)
  58 {
  59     glue(stfl, MEMSUFFIX)(T0, FT0);
  60 }
  61
  62 void OPPROTO glue(op_stdf, MEMSUFFIX) (void)
  63 {
  64     glue(stfq, MEMSUFFIX)(T0, DT0);
  65 }
  66
  67 /***                         Floating-point load                           ***/
  68 void OPPROTO glue(op_ldf, MEMSUFFIX) (void)
  69 {
  70     FT0 = glue(ldfl, MEMSUFFIX)(T0);
  71 }
  72
  73 void OPPROTO glue(op_lddf, MEMSUFFIX) (void)
  74 {
  75     DT0 = glue(ldfq, MEMSUFFIX)(T0);
  76 }
  77
  78 #ifdef TARGET_SPARC64
  79 /* XXX: Should be Atomically */
  80 /* XXX: There are no cas[x] instructions, only cas[x]a */
  81 void OPPROTO glue(op_cas, MEMSUFFIX)(void)
  82 {
  83     uint32_t tmp;
  84
  85     tmp = glue(ldl, MEMSUFFIX)(T0);
  86     T2 &=  0xffffffffULL;
  87     if (tmp == (T1 & 0xffffffffULL)) {
  88         glue(stl, MEMSUFFIX)(T0, T2);
  89     }
  90     T2 = tmp;
  91 }
  92
  93 void OPPROTO glue(op_casx, MEMSUFFIX)(void)
  94 {
  95     uint64_t tmp;
  96
  97     // XXX
  98     tmp = (uint64_t)glue(ldl, MEMSUFFIX)(T0) << 32;
  99     tmp |= glue(ldl, MEMSUFFIX)(T0);
 100     if (tmp == T1) {
 101         glue(stq, MEMSUFFIX)(T0, T2);
 102     }
 103     T2 = tmp;
 104 }
 105
 106 void OPPROTO glue(op_ldsw, MEMSUFFIX)(void)
 107 {
 108     T1 = (int64_t)(glue(ldl, MEMSUFFIX)(T0) & 0xffffffff);
 109 }
 110
 111 SPARC_LD_OP(ldx, ldq);
 112 SPARC_ST_OP(stx, stq);
 113 #endif
 114 #undef MEMSUFFIX