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load_complex and store_complex instructions (#309)

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* Start adding the load_complex and store_complex instructions.

N.b.:
The text format is not correct yet. Requires changes to the lexer and parser.
I'm not sure why I needed to change the RuntimeError to Exception yet. Will fix.

* Get first few encodings of load_complex working. Still needs var args type checking.

* Clean up ModRM helper functions in binemit.

* Implement 32-bit displace for load_complex

* Use encoding helpers instead of doing them all by hand

* Initial implementation of store_complex

* Parse value list for load/store_complex with + as delimiter. Looks nice.

* Add sign/zero-extension and size variants for load_complex.

* Add size variants of store_complex.

* Add asm helper lines to load/store complex bin tests.

* Example of length-checking the instruction ValueList for an encoding. Extremely questionable implementation.

* Fix Python linting issues

* First draft of postopt pass to fold adds and loads into load_complex. Just simple loads for now.

* Optimization pass now works with all types of loads.

* Add store+add -> store_complex to postopt pass

* Put complex address optimization behind ISA flag.

* Add load/store complex for f32 and f64

* Fixes changes to lexer that broke NaN parsing.

Abstracts away the repeated checks for whether or not the characters
following a + or - are going to be parsed as a number or not.

* Fix formatting issues

* Fix register restrictions for complex addresses.

* Encoding tests for x86-32.

* Add documentation for newly added instructions, recipes, and cdsl changes.

* Fix python formatting again

* Apply value-list length predicates to all LoadComplex and StoreComplex instructions.

* Add predicate types to new encoding helpers for mypy.

* Import FieldPredicate to satisfy mypy.

* Add and fix some "asm" strings in the encoding tests.

* Line-up 'bin' comments in x86/binary64 test

* Test parsing of offset-less store_complex instruction.

* 'sNaN' not 'sNan'

* Bounds check the lookup for polymorphic typevar operand.

* Fix encodings for istore16_complex.
This commit is contained in:
Tyler McMullen
2018-05-09 12:07:00 -07:00
committed by Dan Gohman
parent 5aa84a744b
commit f636d795c5
25 changed files with 1127 additions and 21 deletions
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11
lib/codegen/meta/base/predicates.py
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@@ -2,12 +2,12 @@
Cretonne predicates that consider `Function` fields.
"""
from cdsl.predicates import FieldPredicate
from .formats import UnaryGlobalVar
from .formats import UnaryGlobalVar, InstructionFormat
try:
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from cdsl.formats import FormatField # noqa
from cdsl.formats import InstructionFormat, FormatField # noqa
except ImportError:
pass
@@ -33,3 +33,10 @@ class IsColocatedData(FieldPredicate):
# type: () -> None
super(IsColocatedData, self).__init__(
UnaryGlobalVar.global_var, 'is_colocated_data', ('func',))
class LengthEquals(FieldPredicate):
def __init__(self, iform, num):
# type: (InstructionFormat, int) -> None
super(LengthEquals, self).__init__(
iform.args(), 'has_length_of', (num, 'func'))