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Viewing changes to tcg/tci/tcg-target.inc.c

  • Committer: Phil Dennis-Jordan
  • Date: 2017-07-21 08:03:43 UTC
  • mfrom: (1.1.1)
  • Revision ID: phil@philjordan.eu-20170721080343-2yr2vdj7713czahv
New upstream release 2.9.0.

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Lines of Context:
tcg/tci/tcg-target.inc.c
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    { -1 },
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};
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static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op)
 
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{
 
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    int i, n = ARRAY_SIZE(tcg_target_op_defs);
 
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    for (i = 0; i < n; ++i) {
 
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        if (tcg_target_op_defs[i].op == op) {
 
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            return &tcg_target_op_defs[i];
 
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        }
 
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    }
 
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    return NULL;
 
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}
 
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static const int tcg_target_reg_alloc_order[] = {
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    TCG_REG_R0,
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    TCG_REG_R1,
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}
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/* Parse target specific constraints. */
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static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
 
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static const char *target_parse_constraint(TCGArgConstraint *ct,
 
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                                           const char *ct_str, TCGType type)
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{
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    const char *ct_str = *pct_str;
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    switch (ct_str[0]) {
 
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    switch (*ct_str++) {
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    case 'r':
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    case 'L':                   /* qemu_ld constraint */
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    case 'S':                   /* qemu_st constraint */
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        tcg_regset_set32(ct->u.regs, 0, BIT(TCG_TARGET_NB_REGS) - 1);
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        break;
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    default:
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        return -1;
 
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        return NULL;
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    }
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    ct_str++;
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    *pct_str = ct_str;
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    return 0;
 
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    return ct_str;
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}
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#if defined(CONFIG_DEBUG_TCG_INTERPRETER)
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    case INDEX_op_goto_tb:
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        if (s->tb_jmp_insn_offset) {
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            /* Direct jump method. */
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            tcg_debug_assert(args[0] < ARRAY_SIZE(s->tb_jmp_insn_offset));
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            /* Align for atomic patching and thread safety */
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            s->code_ptr = QEMU_ALIGN_PTR_UP(s->code_ptr, 4);
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            s->tb_jmp_insn_offset[args[0]] = tcg_current_code_size(s);
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            /* Indirect jump method. */
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            TODO();
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        }
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        tcg_debug_assert(args[0] < ARRAY_SIZE(s->tb_jmp_reset_offset));
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        s->tb_jmp_reset_offset[args[0]] = tcg_current_code_size(s);
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        break;
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    case INDEX_op_br:
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    tcg_regset_clear(s->reserved_regs);
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    tcg_regset_set_reg(s->reserved_regs, TCG_REG_CALL_STACK);
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    tcg_add_target_add_op_defs(tcg_target_op_defs);
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    /* We use negative offsets from "sp" so that we can distinguish
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       stores that might pretend to be call arguments.  */