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Documentation nits; Sematnics syntax cleanup

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This commit is contained in:
Dimo
2017-07-21 16:46:20 -07:00
committed by Jakob Stoklund Olesen
parent 40c86d58b9
commit 9258283e14
10 changed files with 103 additions and 94 deletions
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53
lib/cretonne/meta/base/semantics.py
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@@ -2,11 +2,10 @@ from __future__ import absolute_import
from semantics.primitives import prim_to_bv, prim_from_bv, bvsplit, bvconcat,\
bvadd
from .instructions import vsplit, vconcat, iadd
from cdsl.xform import XForm, Rtl
from cdsl.xform import Rtl
from cdsl.ast import Var
from cdsl.typevar import TypeSet
from cdsl.ti import InTypeset
import semantics.types # noqa
x = Var('x')
y = Var('y')
@@ -28,30 +27,32 @@ bvhi = Var('bvhi')
ScalarTS = TypeSet(lanes=(1, 1), ints=True, floats=True, bools=True)
vsplit.set_semantics(
XForm(Rtl((lo, hi) << vsplit(x)),
Rtl(bvx << prim_to_bv(x),
(bvlo, bvhi) << bvsplit(bvx),
lo << prim_from_bv(bvlo),
hi << prim_from_bv(bvhi))))
(lo, hi) << vsplit(x),
Rtl(
bvx << prim_to_bv(x),
(bvlo, bvhi) << bvsplit(bvx),
lo << prim_from_bv(bvlo),
hi << prim_from_bv(bvhi)
))
vconcat.set_semantics(
XForm(Rtl(x << vconcat(lo, hi)),
Rtl(bvlo << prim_to_bv(lo),
bvhi << prim_to_bv(hi),
bvx << bvconcat(bvlo, bvhi),
x << prim_from_bv(bvx))))
x << vconcat(lo, hi),
Rtl(
bvlo << prim_to_bv(lo),
bvhi << prim_to_bv(hi),
bvx << bvconcat(bvlo, bvhi),
x << prim_from_bv(bvx)
))
iadd.set_semantics([
XForm(Rtl(a << iadd(x, y)),
Rtl(bvx << prim_to_bv(x),
bvy << prim_to_bv(y),
bva << bvadd(bvx, bvy),
a << prim_from_bv(bva)),
constraints=[InTypeset(x.get_typevar(), ScalarTS)]),
XForm(Rtl(a << iadd(x, y)),
Rtl((xlo, xhi) << vsplit(x),
(ylo, yhi) << vsplit(y),
alo << iadd(xlo, ylo),
ahi << iadd(xhi, yhi),
a << vconcat(alo, ahi)))
])
iadd.set_semantics(
a << iadd(x, y),
(Rtl(bvx << prim_to_bv(x),
bvy << prim_to_bv(y),
bva << bvadd(bvx, bvy),
a << prim_from_bv(bva)),
[InTypeset(x.get_typevar(), ScalarTS)]),
Rtl((xlo, xhi) << vsplit(x),
(ylo, yhi) << vsplit(y),
alo << iadd(xlo, ylo),
ahi << iadd(xhi, yhi),
a << vconcat(alo, ahi)))