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Reorganize meta language reference.

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Separate instruction descriptions from instruction formats which deal with the
Rust representation.

Add type class restrictions to type variables.
This commit is contained in:
Jakob Stoklund Olesen
2016-05-18 11:31:47 -07:00
parent 9838a4040e
commit bd221af412
3 changed files with 145 additions and 66 deletions
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13
meta/cretonne/base.py
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@@ -10,9 +10,11 @@ from immediates import imm64, ieee32, ieee64, immvector
instructions = InstructionGroup("base", "Shared base instruction set")
Int = TypeVar('Int', 'A scalar or vector integer type')
iB = TypeVar('iB', 'A scalar integer type')
TxN = TypeVar('%Tx%N', 'A SIMD vector type')
Int = TypeVar('Int', 'A scalar or vector integer type', ints=True, simd=True)
iB = TypeVar('iB', 'A scalar integer type', ints=True)
TxN = TypeVar(
'%Tx%N', 'A SIMD vector type',
ints=True, floats=True, bools=True, scalars=False, simd=True)
#
# Materializing constants.
@@ -217,7 +219,10 @@ isub_imm = Instruction(
#
# TODO: Which types should permit boolean operations? Any reason to restrict?
bits = TypeVar('bits', 'Any integer, float, or boolean scalar or vector type')
bits = TypeVar(
'bits', 'Any integer, float, or boolean scalar or vector type',
ints=True, floats=True, bools=True, scalars=True, simd=True)
x = Operand('x', bits)
y = Operand('y', bits)
a = Operand('a', bits)