参照元†
返り値†
/* Create and return new pseudo-register with the same attributes as
ORIGINAL_REG. */
rtx
ira_create_new_reg (rtx original_reg)
{
rtx new_reg;
new_reg = gen_reg_rtx (GET_MODE (original_reg));
ORIGINAL_REGNO (new_reg) = ORIGINAL_REGNO (original_reg);
REG_USERVAR_P (new_reg) = REG_USERVAR_P (original_reg);
REG_POINTER (new_reg) = REG_POINTER (original_reg);
REG_ATTRS (new_reg) = REG_ATTRS (original_reg);
if (internal_flag_ira_verbose > 3 && ira_dump_file != NULL)
fprintf (ira_dump_file, " Creating newreg=%i from oldreg=%i\n",
REGNO (new_reg), REGNO (original_reg));
ira_expand_reg_equiv ();
return new_reg;
}
コメント†