9fbfd0d2a6
No instruction sets actually have single instructions for materializing vector constants. You always need to use a constant pool. Cretonne doesn't have constant pools yet, but it will in the future, and that is how vector constants should be represented.
47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
"""
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The `cretonne.immediates` module predefines all the Cretonne immediate operand
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types.
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"""
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from __future__ import absolute_import
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from cdsl.operands import ImmediateKind
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#: A 64-bit immediate integer operand.
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#:
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#: This type of immediate integer can interact with SSA values with any
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#: :py:class:`cretonne.IntType` type.
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imm64 = ImmediateKind('imm64', 'A 64-bit immediate integer.')
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#: An unsigned 8-bit immediate integer operand.
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#:
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#: This small operand is used to indicate lane indexes in SIMD vectors and
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#: immediate bit counts on shift instructions.
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uimm8 = ImmediateKind('uimm8', 'An 8-bit immediate unsigned integer.')
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#: A 32-bit immediate floating point operand.
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#:
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#: IEEE 754-2008 binary32 interchange format.
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ieee32 = ImmediateKind('ieee32', 'A 32-bit immediate floating point number.')
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#: A 64-bit immediate floating point operand.
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#:
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#: IEEE 754-2008 binary64 interchange format.
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ieee64 = ImmediateKind('ieee64', 'A 64-bit immediate floating point number.')
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#: A condition code for comparing integer values.
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#:
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#: This enumerated operand kind is used for the :cton:inst:`icmp` instruction
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#: and corresponds to the `condcodes::IntCC` Rust type.
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intcc = ImmediateKind(
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'intcc',
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'An integer comparison condition code.',
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default_member='cond', rust_type='IntCC')
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#: A condition code for comparing floating point values.
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#:
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#: This enumerated operand kind is used for the :cton:inst:`fcmp` instruction
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#: and corresponds to the `condcodes::FloatCC` Rust type.
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floatcc = ImmediateKind(
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'floatcc',
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'A floating point comparison condition code.',
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default_member='cond', rust_type='FloatCC')
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