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1 /* { dg-do compile { target aarch64*-*-* i?86-*-* x86_64-*-* } } */
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2 /* { dg-options "-fdump-rtl-ce1 -O2 -w --param max-rtl-if-conversion-unpredictable-cost=100" } */
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3 /* { dg-additional-options "-march=i686" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
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4
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5 typedef struct cpp_reader cpp_reader;
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6 enum cpp_ttype
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7 {
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8 CPP_EQ =
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9 0, CPP_NOT, CPP_GREATER, CPP_LESS, CPP_PLUS, CPP_MINUS, CPP_MULT, CPP_DIV,
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10 CPP_MOD, CPP_AND, CPP_OR, CPP_XOR, CPP_RSHIFT, CPP_LSHIFT, CPP_MIN,
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11 CPP_MAX, CPP_COMPL, CPP_AND_AND, CPP_OR_OR, CPP_QUERY, CPP_COLON,
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12 CPP_COMMA, CPP_OPEN_PAREN, CPP_CLOSE_PAREN, CPP_EQ_EQ, CPP_NOT_EQ,
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13 CPP_GREATER_EQ, CPP_LESS_EQ, CPP_PLUS_EQ, CPP_MINUS_EQ, CPP_MULT_EQ,
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14 CPP_DIV_EQ, CPP_MOD_EQ, CPP_AND_EQ, CPP_OR_EQ, CPP_XOR_EQ, CPP_RSHIFT_EQ,
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15 CPP_LSHIFT_EQ, CPP_MIN_EQ, CPP_MAX_EQ, CPP_HASH, CPP_PASTE,
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16 CPP_OPEN_SQUARE, CPP_CLOSE_SQUARE, CPP_OPEN_BRACE, CPP_CLOSE_BRACE,
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17 CPP_SEMICOLON, CPP_ELLIPSIS, CPP_PLUS_PLUS, CPP_MINUS_MINUS, CPP_DEREF,
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18 CPP_DOT, CPP_SCOPE, CPP_DEREF_STAR, CPP_DOT_STAR, CPP_ATSIGN, CPP_NAME,
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19 CPP_NUMBER, CPP_CHAR, CPP_WCHAR, CPP_OTHER, CPP_STRING, CPP_WSTRING,
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20 CPP_HEADER_NAME, CPP_COMMENT, CPP_MACRO_ARG, CPP_PADDING, CPP_EOF,
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21 };
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22
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23 static struct op lex (cpp_reader *, int);
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24
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25 struct op
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26 {
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27 enum cpp_ttype op;
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28 long value;
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29 };
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30
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31 int
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32 _cpp_parse_expr (pfile)
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33 {
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34 struct op init_stack[20];
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35 struct op *stack = init_stack;
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36 struct op *top = stack + 1;
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37 int skip_evaluation = 0;
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38 for (;;)
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39 {
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40 struct op op;
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41 op = lex (pfile, skip_evaluation);
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42 switch (op.op)
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43 {
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44 case CPP_OR_OR:
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45 if (top->value)
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46 skip_evaluation++;
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47 else
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48 skip_evaluation--;
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49 }
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50 }
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51 }
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52
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53 /* { dg-final { scan-rtl-dump "2 true changes made" "ce1" } } */
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