/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-O2 -ftree-loop-distribution" } */
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/* { dg-options "-O2 -ftree-loop-distribution" } */
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struct rtx_def
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struct rtx_def
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{
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{
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int a;
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int a;
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};
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};
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typedef struct rtx_def *rtx;
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typedef struct rtx_def *rtx;
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struct rd {
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struct rd {
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int alternative_enabled_p[100];
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int alternative_enabled_p[100];
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rtx operand[100];
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rtx operand[100];
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int n_operands;
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int n_operands;
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};
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};
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rtx this_insn;
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rtx this_insn;
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int n_reloads;
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int n_reloads;
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int n_replacements;
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int n_replacements;
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int n_earlyclobbers;
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int n_earlyclobbers;
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int replace_reloads;
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int replace_reloads;
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int hard_regs_live_known;
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int hard_regs_live_known;
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short* static_reload_reg_p;
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short* static_reload_reg_p;
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struct rd recog_data;
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struct rd recog_data;
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int
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int
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find_reloads (rtx insn, int replace, int ind_levels, int live_known,
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find_reloads (rtx insn, int replace, int ind_levels, int live_known,
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short *reload_reg_p)
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short *reload_reg_p)
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{
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{
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int i, j;
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int i, j;
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int noperands = replace;
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int noperands = replace;
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int no_input_reloads = 0;
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int no_input_reloads = 0;
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int n_alternatives = replace;
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int n_alternatives = replace;
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char this_alternative_match_win[30];
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char this_alternative_match_win[30];
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char this_alternative_win[30];
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char this_alternative_win[30];
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char this_alternative_earlyclobber[30];
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char this_alternative_earlyclobber[30];
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int this_alternative_matches[30];
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int this_alternative_matches[30];
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int goal_alternative[30];
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int goal_alternative[30];
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int this_alternative_number;
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int this_alternative_number;
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char goal_alternative_match_win[30];
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char goal_alternative_match_win[30];
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char goal_alternative_win[30];
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char goal_alternative_win[30];
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int best;
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int best;
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int operand_mode[30];
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int operand_mode[30];
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int retval = 0;
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int retval = 0;
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for (this_alternative_number = 0;
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for (this_alternative_number = 0;
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this_alternative_number < n_alternatives;
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this_alternative_number < n_alternatives;
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this_alternative_number++)
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this_alternative_number++)
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{
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{
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int losers = 0;
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int losers = 0;
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int bad = 0;
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int bad = 0;
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if (!recog_data.alternative_enabled_p[this_alternative_number])
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if (!recog_data.alternative_enabled_p[this_alternative_number])
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{
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{
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int i;
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int i;
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for (i = 0; i < recog_data.n_operands; i++)
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for (i = 0; i < recog_data.n_operands; i++)
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;
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;
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continue;
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continue;
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}
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}
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for (i = 0; i < noperands; i++)
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for (i = 0; i < noperands; i++)
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if (this_alternative_earlyclobber[i]
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if (this_alternative_earlyclobber[i]
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&& (this_alternative_win[i] || this_alternative_match_win[i]))
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&& (this_alternative_win[i] || this_alternative_match_win[i]))
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{
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{
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if (j != noperands)
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if (j != noperands)
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{
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{
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losers++;
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losers++;
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for (j = 0; j < noperands; j++)
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for (j = 0; j < noperands; j++)
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if (this_alternative_matches[j] == i
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if (this_alternative_matches[j] == i
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&& this_alternative_match_win[j])
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&& this_alternative_match_win[j])
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{
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{
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this_alternative_win[j] = 0;
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this_alternative_win[j] = 0;
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this_alternative_match_win[j] = 0;
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this_alternative_match_win[j] = 0;
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losers++;
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losers++;
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}
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}
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}
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}
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}
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}
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if (losers == 0)
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if (losers == 0)
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{
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{
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for (i = 0; i < noperands; i++)
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for (i = 0; i < noperands; i++)
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{
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{
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goal_alternative_win[i] = 0;
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goal_alternative_win[i] = 0;
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goal_alternative_match_win[i] = 0;
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goal_alternative_match_win[i] = 0;
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}
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}
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goto finish;
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goto finish;
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}
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}
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if (! bad && best > losers)
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if (! bad && best > losers)
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{
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{
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for (i = 0; i < noperands; i++)
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for (i = 0; i < noperands; i++)
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{
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{
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goal_alternative[i] = 0;
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goal_alternative[i] = 0;
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goal_alternative_win[i] = 0;
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goal_alternative_win[i] = 0;
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}
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}
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}
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}
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}
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}
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finish:
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finish:
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for (i = 0; i < noperands; i++)
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for (i = 0; i < noperands; i++)
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if (! goal_alternative_win[i])
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if (! goal_alternative_win[i])
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{
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{
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rtx op = recog_data.operand[i];
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rtx op = recog_data.operand[i];
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int mode = operand_mode[i];
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int mode = operand_mode[i];
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if (((ix86_preferred_reload_class ((op), (goal_alternative[i])) == 2)
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if (((ix86_preferred_reload_class ((op), (goal_alternative[i])) == 2)
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|| no_input_reloads)
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|| no_input_reloads)
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&& mode != 0)
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&& mode != 0)
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{}
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{}
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}
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}
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return retval;
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return retval;
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}
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}
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