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Update Tablegen documents given that binary literals are now sized
llvm-svn: 215088
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@ -94,7 +94,9 @@ supported include:
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uninitialized field
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``0b1001011``
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binary integer value
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binary integer value.
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Note that this is sized by the number of bits given and will not be
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silently extended/truncated.
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``07654321``
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octal integer value (indicated by a leading 0)
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@ -116,8 +118,9 @@ supported include:
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In rare cases, TableGen is unable to deduce the element type in which case
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the user must specify it explicitly.
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``{ a, b, c }``
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initializer for a "bits<3>" value
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``{ a, b, 0b10 }``
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initializer for a "bits<4>" value.
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1-bit from "a", 1-bit from "b", 2-bits from 0b10.
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``value``
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value reference
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@ -55,6 +55,10 @@ One aspect to note is that the :token:`DecimalInteger` token *includes* the
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``+`` or ``-``, as opposed to having ``+`` and ``-`` be unary operators as
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most languages do.
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Also note that :token:`BinInteger` creates a value of type ``bits<n>``
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(where ``n`` is the number of bits). This will implicitly convert to
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integers when needed.
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TableGen has identifier-like tokens:
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.. productionlist::
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