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root / target-sparc / op_mem.h @ 3475187d

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/***                             Integer load                              ***/
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#define SPARC_LD_OP(name, qp)                                                 \
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void OPPROTO glue(glue(op_, name), MEMSUFFIX)(void)                           \
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{                                                                             \
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    T1 = (target_ulong)glue(qp, MEMSUFFIX)(T0);                                \
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}
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#define SPARC_LD_OP_S(name, qp)                                                \
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    void OPPROTO glue(glue(op_, name), MEMSUFFIX)(void)                        \
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    {                                                                        \
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        T1 = (target_long)glue(qp, MEMSUFFIX)(T0);                        \
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    }
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#define SPARC_ST_OP(name, op)                                                 \
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void OPPROTO glue(glue(op_, name), MEMSUFFIX)(void)                           \
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{                                                                             \
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    glue(op, MEMSUFFIX)(T0, T1);                                      \
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}
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SPARC_LD_OP(ld, ldl);
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SPARC_LD_OP(ldub, ldub);
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SPARC_LD_OP(lduh, lduw);
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SPARC_LD_OP_S(ldsb, ldsb);
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SPARC_LD_OP_S(ldsh, ldsw);
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/***                              Integer store                            ***/
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SPARC_ST_OP(st, stl);
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SPARC_ST_OP(stb, stb);
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SPARC_ST_OP(sth, stw);
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void OPPROTO glue(op_std, MEMSUFFIX)(void)
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{
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    glue(stl, MEMSUFFIX)(T0, T1);
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    glue(stl, MEMSUFFIX)((T0 + 4), T2);
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}
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void OPPROTO glue(op_ldstub, MEMSUFFIX)(void)
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{
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    T1 = glue(ldub, MEMSUFFIX)(T0);
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    glue(stb, MEMSUFFIX)(T0, 0xff);     /* XXX: Should be Atomically */
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}
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void OPPROTO glue(op_swap, MEMSUFFIX)(void)
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{
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    target_ulong tmp = glue(ldl, MEMSUFFIX)(T0);
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    glue(stl, MEMSUFFIX)(T0, T1);       /* XXX: Should be Atomically */
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    T1 = tmp;
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}
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void OPPROTO glue(op_ldd, MEMSUFFIX)(void)
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{
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    T1 = glue(ldl, MEMSUFFIX)(T0);
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    T0 = glue(ldl, MEMSUFFIX)((T0 + 4));
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}
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/***                         Floating-point store                          ***/
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void OPPROTO glue(op_stf, MEMSUFFIX) (void)
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{
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    glue(stfl, MEMSUFFIX)(T0, FT0);
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}
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void OPPROTO glue(op_stdf, MEMSUFFIX) (void)
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{
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    glue(stfq, MEMSUFFIX)(T0, DT0);
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}
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/***                         Floating-point load                           ***/
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void OPPROTO glue(op_ldf, MEMSUFFIX) (void)
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{
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    FT0 = glue(ldfl, MEMSUFFIX)(T0);
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}
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void OPPROTO glue(op_lddf, MEMSUFFIX) (void)
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{
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    DT0 = glue(ldfq, MEMSUFFIX)(T0);
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}
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#ifdef TARGET_SPARC64
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/* XXX: Should be Atomically */
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/* XXX: There are no cas[x] instructions, only cas[x]a */
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void OPPROTO glue(op_cas, MEMSUFFIX)(void)
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{
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    uint32_t tmp;
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    tmp = glue(ldl, MEMSUFFIX)(T0);
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    T2 &=  0xffffffffULL;
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    if (tmp == (T1 & 0xffffffffULL)) {
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        glue(stl, MEMSUFFIX)(T0, T2);
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    }
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    T2 = tmp;
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}
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void OPPROTO glue(op_casx, MEMSUFFIX)(void)
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{
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    uint64_t tmp;
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    // XXX
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    tmp = (uint64_t)glue(ldl, MEMSUFFIX)(T0) << 32;
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    tmp |= glue(ldl, MEMSUFFIX)(T0);
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    if (tmp == T1) {
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        glue(stq, MEMSUFFIX)(T0, T2);
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    }
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    T2 = tmp;
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}
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void OPPROTO glue(op_ldsw, MEMSUFFIX)(void)
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{
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    T1 = (int64_t)glue(ldl, MEMSUFFIX)(T0);
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}
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void OPPROTO glue(op_ldx, MEMSUFFIX)(void)
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{
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    // XXX
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    T1 = (uint64_t)glue(ldl, MEMSUFFIX)(T0) << 32;
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    T1 |= glue(ldl, MEMSUFFIX)(T0);
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}
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void OPPROTO glue(op_stx, MEMSUFFIX)(void)
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{
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    glue(stl, MEMSUFFIX)(T0, T1 >> 32);
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    glue(stl, MEMSUFFIX)(T0, T1 & 0xffffffff);
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}
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#endif
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#undef MEMSUFFIX