Re: [RFC PATCH 21/66] Hexagon generator phase 2 - qemu_def_generated.h

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 2/11/20 1:39 AM, Taylor Simpson wrote:
> For each instruction we create
>      DEF_HELPER function prototype
>      TCG code to generate call to helper
>      Helper definition
> 
> Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
> ---
>   target/hexagon/do_qemu.py | 773 ++++++++++++++++++++++++++++++++++++++++++++++
>   1 file changed, 773 insertions(+)
>   create mode 100755 target/hexagon/do_qemu.py
> 
> diff --git a/target/hexagon/do_qemu.py b/target/hexagon/do_qemu.py
> new file mode 100755
> index 0000000..992dbc3
> --- /dev/null
> +++ b/target/hexagon/do_qemu.py
> @@ -0,0 +1,773 @@
> +#!/usr/bin/env python

python3 ;)

> +
> +from __future__ import print_function

Not needed anymore.

> +##
> +##  Copyright (c) 2019 Qualcomm Innovation Center, Inc. All Rights Reserved.
> +##
> +##  This program is free software; you can redistribute it and/or modify
> +##  it under the terms of the GNU General Public License as published by
> +##  the Free Software Foundation; either version 2 of the License, or
> +##  (at your option) any later version.
> +##
> +##  This program is distributed in the hope that it will be useful,
> +##  but WITHOUT ANY WARRANTY; without even the implied warranty of
> +##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> +##  GNU General Public License for more details.
> +##
> +##  You should have received a copy of the GNU General Public License
> +##  along with this program; if not, see <http://www.gnu.org/licenses/>.
> +##
> +
> +import sys
> +import re
> +import string
> +try:
> +    from StringIO import StringIO
> +except ImportError:
> +    from io import StringIO

Directly "from io import StringIO".

> +
> +
> +import operator
> +from itertools import chain
> +
> +
> +
> +behdict = {}          # tag ->behavior
> +semdict = {}          # tag -> semantics
> +extdict = {}          # tag -> What extension an instruction belongs to (or "")
> +extnames = {}         # ext name -> True
> +attribdict = {}       # tag -> attributes
> +macros = {}           # macro -> macro information...
> +attribinfo = {}       # Register information and misc
> +tags = []             # list of all tags
> +
> +def get_macro(macname,ext=""):
> +    mackey = macname + ":" + ext
> +    if ext and mackey not in macros:
> +        return get_macro(macname,"")
> +    return macros[mackey]
> +
> +# We should do this as a hash for performance,
> +# but to keep order let's keep it as a list.
> +def uniquify(seq):
> +    seen = set()
> +    seen_add = seen.add
> +    return [x for x in seq if x not in seen and not seen_add(x)]
> +
> +regre = re.compile(
> +    r"((?<!DUP)[MNORCPQXSGVZA])([stuvwxyzdefg]+)([.]?[LlHh]?)(\d+S?)")
> +immre = re.compile(r"[#]([rRsSuUm])(\d+)(?:[:](\d+))?")
> +reg_or_immre = \
> +    re.compile(r"(((?<!DUP)[MNRCOPQXSGVZA])([stuvwxyzdefg]+)" + \
> +                "([.]?[LlHh]?)(\d+S?))|([#]([rRsSuUm])(\d+)[:]?(\d+)?)")
> +relimmre = re.compile(r"[#]([rR])(\d+)(?:[:](\d+))?")
> +absimmre = re.compile(r"[#]([sSuUm])(\d+)(?:[:](\d+))?")
> +
> +finished_macros = set()
[...]