54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/* { dg-do compile { target aarch64*-*-* i?86-*-* x86_64-*-* } } */
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/* { dg-options "-fdump-rtl-ce1 -O2 -w --param max-rtl-if-conversion-unpredictable-cost=100" } */
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/* { dg-additional-options "-march=i686" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
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typedef struct cpp_reader cpp_reader;
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enum cpp_ttype
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{
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CPP_EQ =
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0, CPP_NOT, CPP_GREATER, CPP_LESS, CPP_PLUS, CPP_MINUS, CPP_MULT, CPP_DIV,
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CPP_MOD, CPP_AND, CPP_OR, CPP_XOR, CPP_RSHIFT, CPP_LSHIFT, CPP_MIN,
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CPP_MAX, CPP_COMPL, CPP_AND_AND, CPP_OR_OR, CPP_QUERY, CPP_COLON,
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CPP_COMMA, CPP_OPEN_PAREN, CPP_CLOSE_PAREN, CPP_EQ_EQ, CPP_NOT_EQ,
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CPP_GREATER_EQ, CPP_LESS_EQ, CPP_PLUS_EQ, CPP_MINUS_EQ, CPP_MULT_EQ,
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CPP_DIV_EQ, CPP_MOD_EQ, CPP_AND_EQ, CPP_OR_EQ, CPP_XOR_EQ, CPP_RSHIFT_EQ,
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CPP_LSHIFT_EQ, CPP_MIN_EQ, CPP_MAX_EQ, CPP_HASH, CPP_PASTE,
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CPP_OPEN_SQUARE, CPP_CLOSE_SQUARE, CPP_OPEN_BRACE, CPP_CLOSE_BRACE,
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CPP_SEMICOLON, CPP_ELLIPSIS, CPP_PLUS_PLUS, CPP_MINUS_MINUS, CPP_DEREF,
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CPP_DOT, CPP_SCOPE, CPP_DEREF_STAR, CPP_DOT_STAR, CPP_ATSIGN, CPP_NAME,
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CPP_NUMBER, CPP_CHAR, CPP_WCHAR, CPP_OTHER, CPP_STRING, CPP_WSTRING,
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CPP_HEADER_NAME, CPP_COMMENT, CPP_MACRO_ARG, CPP_PADDING, CPP_EOF,
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};
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static struct op lex (cpp_reader *, int);
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struct op
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{
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enum cpp_ttype op;
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long value;
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};
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int
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_cpp_parse_expr (pfile)
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{
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struct op init_stack[20];
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struct op *stack = init_stack;
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struct op *top = stack + 1;
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int skip_evaluation = 0;
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for (;;)
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{
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struct op op;
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op = lex (pfile, skip_evaluation);
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switch (op.op)
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{
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case CPP_OR_OR:
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if (top->value)
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skip_evaluation++;
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else
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skip_evaluation--;
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}
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}
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}
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/* { dg-final { scan-rtl-dump "2 true changes made" "ce1" } } */
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