contrib/gcc/genattrtab.c

2036 simplify_and_tree (rtx exp, rtx *pterm, int insn_code, int insn_index)
2045       left  = simplify_and_tree (XEXP (exp, 0), pterm, insn_code, insn_index);
2046       right = simplify_and_tree (XEXP (exp, 1), pterm, insn_code, insn_index);
2059       temp = *pterm;
2063       temp = *pterm;
2068 	*pterm = true_rtx;
2081   if (exp == *pterm)
2084   else if (GET_CODE (exp) == NOT && XEXP (exp, 0) == *pterm)
2087   else if (GET_CODE (*pterm) == NOT && exp == XEXP (*pterm, 0))
2090   else if (GET_CODE (exp) == EQ_ATTR_ALT && GET_CODE (*pterm) == EQ_ATTR_ALT)
2092       if (attr_alt_subset_p (*pterm, exp))
2095       if (attr_alt_subset_of_compl_p (*pterm, exp))
2098       if (attr_alt_subset_p (exp, *pterm))
2099 	*pterm = true_rtx;
2104   else if (GET_CODE (exp) == EQ_ATTR && GET_CODE (*pterm) == EQ_ATTR)
2106       if (XSTR (exp, 0) != XSTR (*pterm, 0))
2109       if (! strcmp_check (XSTR (exp, 1), XSTR (*pterm, 1)))
2115   else if (GET_CODE (*pterm) == EQ_ATTR && GET_CODE (exp) == NOT
2118       if (XSTR (*pterm, 0) != XSTR (XEXP (exp, 0), 0))
2121       if (! strcmp_check (XSTR (*pterm, 1), XSTR (XEXP (exp, 0), 1)))
2127   else if (GET_CODE (exp) == EQ_ATTR && GET_CODE (*pterm) == NOT
2128 	   && GET_CODE (XEXP (*pterm, 0)) == EQ_ATTR)
2130       if (XSTR (exp, 0) != XSTR (XEXP (*pterm, 0), 0))
2133       if (! strcmp_check (XSTR (exp, 1), XSTR (XEXP (*pterm, 0), 1)))
2136 	*pterm = true_rtx;
2139   else if (GET_CODE (exp) == NOT && GET_CODE (*pterm) == NOT)
2141       if (attr_equal_p (XEXP (exp, 0), XEXP (*pterm, 0)))
2147       if (attr_equal_p (XEXP (exp, 0), *pterm))
2151   else if (GET_CODE (*pterm) == NOT)
2153       if (attr_equal_p (XEXP (*pterm, 0), exp))
2157   else if (attr_equal_p (exp, *pterm))
2166 simplify_or_tree (rtx exp, rtx *pterm, int insn_code, int insn_index)
2175       left  = simplify_or_tree (XEXP (exp, 0), pterm, insn_code, insn_index);
2176       right = simplify_or_tree (XEXP (exp, 1), pterm, insn_code, insn_index);
2189       temp = *pterm;
2193       temp = *pterm;
2198 	*pterm = false_rtx;
2208   if (attr_equal_p (exp, *pterm))
2211   else if (GET_CODE (exp) == NOT && attr_equal_p (XEXP (exp, 0), *pterm))
2214   else if (GET_CODE (*pterm) == NOT && attr_equal_p (XEXP (*pterm, 0), exp))
2217   else if (GET_CODE (*pterm) == EQ_ATTR && GET_CODE (exp) == NOT
2219 	   && XSTR (*pterm, 0) == XSTR (XEXP (exp, 0), 0))
2220     *pterm = false_rtx;
2222   else if (GET_CODE (exp) == EQ_ATTR && GET_CODE (*pterm) == NOT
2223 	   && GET_CODE (XEXP (*pterm, 0)) == EQ_ATTR
2224 	   && XSTR (exp, 0) == XSTR (XEXP (*pterm, 0), 0))