1 /* { dg-do compile { target aarch64*-*-* i?86-*-* x86_64-*-* } } */
2 /* { dg-options "-fdump-rtl-ce1 -O2 -w --param max-rtl-if-conversion-unpredictable-cost=100" } */
3 /* { dg-additional-options "-march=i686" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
4
5 typedef struct cpp_reader cpp_reader;
6 enum cpp_ttype
7 {
8 CPP_EQ =
9 0, CPP_NOT, CPP_GREATER, CPP_LESS, CPP_PLUS, CPP_MINUS, CPP_MULT, CPP_DIV,
10 CPP_MOD, CPP_AND, CPP_OR, CPP_XOR, CPP_RSHIFT, CPP_LSHIFT, CPP_MIN,
11 CPP_MAX, CPP_COMPL, CPP_AND_AND, CPP_OR_OR, CPP_QUERY, CPP_COLON,
12 CPP_COMMA, CPP_OPEN_PAREN, CPP_CLOSE_PAREN, CPP_EQ_EQ, CPP_NOT_EQ,
13 CPP_GREATER_EQ, CPP_LESS_EQ, CPP_PLUS_EQ, CPP_MINUS_EQ, CPP_MULT_EQ,
14 CPP_DIV_EQ, CPP_MOD_EQ, CPP_AND_EQ, CPP_OR_EQ, CPP_XOR_EQ, CPP_RSHIFT_EQ,
15 CPP_LSHIFT_EQ, CPP_MIN_EQ, CPP_MAX_EQ, CPP_HASH, CPP_PASTE,
16 CPP_OPEN_SQUARE, CPP_CLOSE_SQUARE, CPP_OPEN_BRACE, CPP_CLOSE_BRACE,
17 CPP_SEMICOLON, CPP_ELLIPSIS, CPP_PLUS_PLUS, CPP_MINUS_MINUS, CPP_DEREF,
18 CPP_DOT, CPP_SCOPE, CPP_DEREF_STAR, CPP_DOT_STAR, CPP_ATSIGN, CPP_NAME,
19 CPP_NUMBER, CPP_CHAR, CPP_WCHAR, CPP_OTHER, CPP_STRING, CPP_WSTRING,
20 CPP_HEADER_NAME, CPP_COMMENT, CPP_MACRO_ARG, CPP_PADDING, CPP_EOF,
21 };
22
23 static struct op lex (cpp_reader *, int);
24
25 struct op
26 {
27 enum cpp_ttype op;
28 long value;
29 };
30
31 int
_cpp_parse_expr(pfile)32 _cpp_parse_expr (pfile)
33 {
34 struct op init_stack[20];
35 struct op *stack = init_stack;
36 struct op *top = stack + 1;
37 int skip_evaluation = 0;
38 for (;;)
39 {
40 struct op op;
41 op = lex (pfile, skip_evaluation);
42 switch (op.op)
43 {
44 case CPP_OR_OR:
45 if (top->value)
46 skip_evaluation++;
47 else
48 skip_evaluation--;
49 }
50 }
51 }
52
53 /* { dg-final { scan-rtl-dump "2 true changes made" "ce1" } } */
54