From 3bfeb39932c04d99eaeebaa7479ea583053339c5 Mon Sep 17 00:00:00 2001 From: Dmitry Selyutin Date: Wed, 31 May 2023 21:37:47 +0300 Subject: [PATCH] power_insn: completely refactor extras --- src/openpower/decoder/power_enums.py | 16 +-- src/openpower/decoder/power_insn.py | 197 +++++++++------------------ src/openpower/sv/sv_binutils.py | 6 - 3 files changed, 75 insertions(+), 144 deletions(-) diff --git a/src/openpower/decoder/power_enums.py b/src/openpower/decoder/power_enums.py index 3b529434..9d6a9ff1 100644 --- a/src/openpower/decoder/power_enums.py +++ b/src/openpower/decoder/power_enums.py @@ -307,19 +307,19 @@ class SVExtraReg(Enum): @property def alias(self): alias = { - Reg.RSp: Reg.RS, - Reg.RTp: Reg.RT, - Reg.FRAp: Reg.FRA, - Reg.FRBp: Reg.FRB, - Reg.FRSp: Reg.FRS, - Reg.FRTp: Reg.FRT, + SVExtraReg.RSp: SVExtraReg.RS, + SVExtraReg.RTp: SVExtraReg.RT, + SVExtraReg.FRAp: SVExtraReg.FRA, + SVExtraReg.FRBp: SVExtraReg.FRB, + SVExtraReg.FRSp: SVExtraReg.FRS, + SVExtraReg.FRTp: SVExtraReg.FRT, }.get(self) if alias is not None: return alias alias = { - Reg.RA_OR_ZERO: Reg.RA, - Reg.RT_OR_ZERO: Reg.RT, + SVExtraReg.RA_OR_ZERO: SVExtraReg.RA, + SVExtraReg.RT_OR_ZERO: SVExtraReg.RT, }.get(self) if alias is not None: return alias diff --git a/src/openpower/decoder/power_insn.py b/src/openpower/decoder/power_insn.py index 2221e399..03c6fd2a 100644 --- a/src/openpower/decoder/power_insn.py +++ b/src/openpower/decoder/power_insn.py @@ -7,7 +7,7 @@ import os as _os import operator as _operator import pathlib as _pathlib import re as _re -import sys as _sys +import types as _types try: from functools import cached_property @@ -403,81 +403,78 @@ class SVP64Record: return dataclass(cls, record, keymap=cls.__KEYMAP) - def extra_idx(self, key, regtype): - """ - Find the index slot that came from the CSV file for this - reg (RA/RB/BA/etc) and direction (source/dest). - """ - aliases = { - _SVExtraReg.RSp: _SVExtraReg.RS, - _SVExtraReg.RTp: _SVExtraReg.RT, - _SVExtraReg.FRAp: _SVExtraReg.FRA, - _SVExtraReg.FRBp: _SVExtraReg.FRB, - _SVExtraReg.FRSp: _SVExtraReg.FRS, - _SVExtraReg.FRTp: _SVExtraReg.FRT, - _SVExtraReg.RA_OR_ZERO: _SVExtraReg.RA, - _SVExtraReg.RT_OR_ZERO: _SVExtraReg.RT, - } + @cached_property + def extras(self): + keys = {} + for key in ("in1", "in2", "in3", "cr_in", "cr_in2"): + keys[key] = _SVExtraRegType.SRC + for key in ("out", "out2", "cr_out"): + keys[key] = _SVExtraRegType.DST - extra_idx = ( + idxmap = ( _SVExtra.Idx0, _SVExtra.Idx1, _SVExtra.Idx2, _SVExtra.Idx3, ) - if key not in frozenset({ - "in1", "in2", "in3", "cr_in", "cr_in2", - "out", "out2", "cr_out", - }): - raise KeyError(key) - - sel = getattr(self, key) - if sel is _CRInSel.BA_BB: - yield _SVExtra.Idx_1_2 - return + def extra(reg): + extras = { + _SVExtraRegType.DST: {}, + _SVExtraRegType.SRC: {}, + } + for index in range(0, 4): + for entry in self.extra[index]: + extras[entry.regtype][entry.reg] = idxmap[index] + + for (regtype, regs) in extras.items(): + idx = regs.get(reg, _SVExtra.NONE) + if idx is not _SVExtra.NONE: + yield (reg, regtype, idx) + + sels = {} + idxs = {} + regs = {} + regtypes = {} + for key in keys: + sel = sels[key] = getattr(self, key) + reg = regs[key] = _SVExtraReg(sel) + regtypes[key] = _SVExtraRegType.NONE + idxs[key] = _SVExtra.NONE + for (reg, regtype, idx) in extra(reg.alias): + if ((idx != idxs[key]) and (idxs[key] is not _SVExtra.NONE)): + raise ValueError(idxs[key]) + idxs[key] = idx + regs[key] = reg + regtypes[key] = regtype + + if sels["cr_in"] is _CRInSel.BA_BB: + sels["cr_in"] = _CRIn2Sel.BA + sels["cr_in2"] = _CRIn2Sel.BB + idxs["cr_in2"] = idxs["cr_in"] + for key in ("cr_in", "cr_in2"): + regs[key] = _SVExtraReg(sels[key]) + regtype[key] = _SVExtraRegType.SRC - reg = _SVExtraReg(sel) - if reg is _SVExtraReg.NONE: - return + records = {} + for key in keys: + records[key] = { + "sel": sels[key], + "reg": regs[key], + "regtype": regtypes[key], + "idx": idxs[key], + } - extra_map = { - _SVExtraRegType.DST: {}, - _SVExtraRegType.SRC: {}, - } - for index in range(0, 4): - for entry in self.extra[index]: - extra_map[entry.regtype][entry.reg] = extra_idx[index] + return _types.MappingProxyType(records) - for (rtype, regs) in extra_map.items(): - if rtype != regtype: - continue - reg = aliases.get(reg, reg) - extra = regs.get(reg, _SVExtra.NONE) - if extra is not _SVExtra.NONE: - yield extra - - extra_idx_in1 = property(_functools.partial(extra_idx, key="in1", regtype=_SVExtraRegType.SRC)) - extra_idx_in2 = property(_functools.partial(extra_idx, key="in2", regtype=_SVExtraRegType.SRC)) - extra_idx_in3 = property(_functools.partial(extra_idx, key="in3", regtype=_SVExtraRegType.SRC)) - extra_idx_out = property(_functools.partial(extra_idx, key="out", regtype=_SVExtraRegType.DST)) - extra_idx_out2 = property(_functools.partial(extra_idx, key="out2", regtype=_SVExtraRegType.DST)) - extra_idx_cr_in = property(_functools.partial(extra_idx, key="cr_in", regtype=_SVExtraRegType.SRC)) - extra_idx_cr_in2 = property(_functools.partial(extra_idx, key="cr_in2", regtype=_SVExtraRegType.SRC)) - extra_idx_cr_out = property(_functools.partial(extra_idx, key="cr_out", regtype=_SVExtraRegType.DST)) - - @_functools.lru_cache(maxsize=None) - def extra_reg(self, key): - return _SVExtraReg(getattr(self, key)) - - extra_reg_in1 = property(_functools.partial(extra_reg, key="in1")) - extra_reg_in2 = property(_functools.partial(extra_reg, key="in2")) - extra_reg_in3 = property(_functools.partial(extra_reg, key="in3")) - extra_reg_out = property(_functools.partial(extra_reg, key="out")) - extra_reg_out2 = property(_functools.partial(extra_reg, key="out2")) - extra_reg_cr_in = property(_functools.partial(extra_reg, key="cr_in")) - extra_reg_cr_in2 = property(_functools.partial(extra_reg, key="cr_in2")) - extra_reg_cr_out = property(_functools.partial(extra_reg, key="cr_out")) + extra_idx_in1 = property(lambda self: self.extras["in1"]["idx"]) + extra_idx_in2 = property(lambda self: self.extras["in2"]["idx"]) + extra_idx_in3 = property(lambda self: self.extras["in3"]["idx"]) + extra_idx_out = property(lambda self: self.extras["out"]["idx"]) + extra_idx_out2 = property(lambda self: self.extras["out2"]["idx"]) + extra_idx_cr_in = property(lambda self: self.extras["cr_in"]["idx"]) + extra_idx_cr_in2 = property(lambda self: self.extras["cr_in2"]["idx"]) + extra_idx_cr_out = property(lambda self: self.extras["cr_out"]["idx"]) @cached_property def extra_CR(self): @@ -957,9 +954,6 @@ class Record: ptype = property(lambda self: self.svp64.ptype) etype = property(lambda self: self.svp64.etype) - def extra_idx(self, key, regtype): - return self.svp64.extra_idx(key, regtype) - extra_idx_in1 = property(lambda self: self.svp64.extra_idx_in1) extra_idx_in2 = property(lambda self: self.svp64.extra_idx_in2) extra_idx_in3 = property(lambda self: self.svp64.extra_idx_in3) @@ -1246,70 +1240,13 @@ class ExtendableOperand(DynamicOperand): def sv_spec_leave(self, value, span, origin_value, origin_span): return (value, span) - @cached_property - def extras(self): - pairs = { - _SVExtraReg.RSp: _SVExtraReg.RS, - _SVExtraReg.RTp: _SVExtraReg.RT, - _SVExtraReg.FRAp: _SVExtraReg.FRA, - _SVExtraReg.FRBp: _SVExtraReg.FRB, - _SVExtraReg.FRSp: _SVExtraReg.FRS, - _SVExtraReg.FRTp: _SVExtraReg.FRT, - } - zeros = { - _SVExtraReg.RA_OR_ZERO: _SVExtraReg.RA, - _SVExtraReg.RT_OR_ZERO: _SVExtraReg.RT, - } - aliases = {} - aliases.update(pairs) - aliases.update(zeros) - - keys = {} - for key in ("in1", "in2", "in3", "cr_in", "cr_in2"): - keys[key] = _SVExtraRegType.SRC - for key in ("out", "out2", "cr_out"): - keys[key] = _SVExtraRegType.DST - regtype = keys.get(key) - if regtype is None: - raise KeyError(key) - - records = {} - for (key, regtype) in keys.items(): - extra_reg = self.record.svp64.extra_reg(key=key) - this_extra_reg = aliases.get(self.extra_reg, self.extra_reg) - that_extra_reg = aliases.get(extra_reg, extra_reg) - if this_extra_reg is that_extra_reg: - extra_idx = tuple(self.record.extra_idx(key=key, regtype=regtype)) - records[key] = (extra_reg, extra_idx) - - for (key, (origin, extra_idx)) in tuple(records.items()): - for aliases in (pairs, zeros): - alias = aliases.get(origin) - for (key, (current, extra_idx)) in tuple(records.items()): - if current is alias: - records[key] = (origin, extra_idx) - - extra_regs = set() - extra_idxs = set() - keys = tuple(records.keys()) - for (extra_reg, extra_idx) in records.values(): - extra_regs.add(extra_reg) - extra_idxs.add(extra_idx) - if len(extra_regs) != 1: - raise ValueError(extra_regs) - if len(extra_idxs) != 1: - raise ValueError(extra_regs) - - extra_reg = extra_regs.pop() - extra_idx = extra_idxs.pop() - - return (keys, extra_reg, extra_idx) - @property def extra_idx(self): - yield from self.extras[2] + for (key, record) in self.record.svp64.extras.items(): + if record["reg"].alias is self.extra_reg.alias: + yield record["idx"] - @property + @cached_property def extra_reg(self): return _SVExtraReg(self.name) diff --git a/src/openpower/sv/sv_binutils.py b/src/openpower/sv/sv_binutils.py index c2ba8796..b4dea0ac 100644 --- a/src/openpower/sv/sv_binutils.py +++ b/src/openpower/sv/sv_binutils.py @@ -664,12 +664,6 @@ def collect(db): if issubclass(cls, Boolean): value = Boolean(value) - elif issubclass(cls, Extra): - value = tuple(value) - if not value: - value = cls["NONE"] - else: - value = cls[value[0].name] elif issubclass(cls, _enum.Enum): value = cls[value.name] else: -- 2.30.2