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