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Add ImmediateType for declaring immediate operands.

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Jakob Stoklund Olesen
2016-03-30 11:36:23 -07:00
parent 29481a5851
commit 10903503c4
4 changed files with 60 additions and 1 deletions
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17
docs/metaref.rst
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@@ -38,13 +38,28 @@ Predefined types
.. automodule:: cretonne.types
:members:
.. currentmodule:: cretonne
Parametric polymorphism
-----------------------
.. currentmodule:: cretonne
Instruction operands can be defined with *type variables* instead of concrete
types for their operands. This makes the instructions polymorphic.
.. autoclass:: TypeVar
Immediates
----------
Immediate instruction operands don't correspond to SSA values, but have values
that are encoded directly in the instruction. Immediate operands don't
have types from the :class:`cretonne.Type` type system; they often have
enumerated values of a specific type. The type of an immediate operand is
indicated with an instance of :class:`ImmediateType`.
.. autoclass:: ImmediateType
.. automodule:: cretonne.immediates
:members:
.. currentmodule:: cretonne