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pan/bi: Generate bi_opcodes.c

Browse source 
So we can lookup various properties rather than generating piles of
switch statements.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8215>
This commit is contained in:
Alyssa Rosenzweig 2020-12-23 12:29:34 -05:00
parent 2d4597de2e
commit 25c9946883
2 changed files with 61 additions and 1 deletions
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51
src/panfrost/bifrost/bi_opcodes.c.py Normal file
View file

@ -0,0 +1,51 @@
#
# Copyright (C) 2020 Collabora, Ltd.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
TEMPLATE = """#include "bi_opcodes.h"
struct bi_op_props bi_opcode_props[BI_NUM_OPCODES] = {
% for opcode in sorted(mnemonics):
<%
add = instructions["+" + opcode][0][1] if "+" + opcode in instructions else None
message = add["message"].upper() if add else "NONE"
sr_count = add["staging_count"].upper() if add else "0"
sr_read = int(add["staging"] in ["r", "rw"] if add else False)
sr_write = int(add["staging"] in ["w", "rw"] if add else False)
has_fma = int("*" + opcode in instructions)
has_add = int("+" + opcode in instructions)
%>
[BI_OPCODE_${opcode.replace('.', '_').upper()}] = {
"${opcode}", BIFROST_MESSAGE_${message}, BI_SR_COUNT_${sr_count},
${sr_read}, ${sr_write}, ${has_fma}, ${has_add},
},
% endfor
};"""
import sys
from bifrost_isa import *
from mako.template import Template
instructions = parse_instructions(sys.argv[1], include_pseudo = True)
ir_instructions = partition_mnemonics(instructions)
mnemonics = set(x[1:] for x in instructions.keys())
print(Template(COPYRIGHT + TEMPLATE).render(ops = ir_instructions, mnemonics = mnemonics, instructions = instructions))

11
src/panfrost/bifrost/meson.build
View file

@ -55,6 +55,15 @@ bifrost_gen_disasm_c = custom_target(
depend_files : files('bifrost_isa.py'),
)
bi_opcodes_c = custom_target(
'bi_opcodes.c',
input : ['bi_opcodes.c.py', 'ISA.xml'],
output : 'bi_opcodes.c',
command : [prog_python, '@INPUT@'],
capture : true,
depend_files : files('bifrost_isa.py'),
)
bi_generated_pack_h = custom_target(
'bi_generated_pack.h',
input : ['gen_pack.py', 'ISA.xml'],
@ -96,7 +105,7 @@ libpanfrost_bifrost_disasm = static_library(
libpanfrost_bifrost = static_library(
'panfrost_bifrost',
[libpanfrost_bifrost_files, bifrost_nir_algebraic_c],
[libpanfrost_bifrost_files, bifrost_nir_algebraic_c, bi_opcodes_c],
include_directories : [inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_gallium_aux, inc_panfrost_hw],
dependencies: [idep_nir, idep_bi_generated_pack_h, idep_bi_opcodes_h],
link_with: [libpanfrost_util, libpanfrost_bifrost_disasm],