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111
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1 typedef struct rtx_def *rtx;
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2 typedef struct rtvec_def *rtvec;
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3 enum rtx_code { PARALLEL, SET };
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4 union rtunion_def {
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5 rtx rt_rtx;
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6 rtvec rt_rtvec;
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7 };
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8 typedef union rtunion_def rtunion;
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9 struct rtx_def {
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10 rtunion fld;
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11 };
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12 struct rtvec_def {
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13 int num_elem;
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14 };
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15 extern rtx operand;
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16
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17 rtx peephole2_insns (rtx x0, enum rtx_code code)
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18 {
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19 switch (code)
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20 {
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21 case SET:
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22 operand = (((x0)->fld).rt_rtx);
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23 return operand;
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24 case PARALLEL:
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25 if ((((((x0)->fld).rt_rtvec))->num_elem) == 2)
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26 return 0;
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27 break;
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28 }
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29 }
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