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pan/bi: Add BIR manipulation routines to bir.c
New file. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4061>
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@ -6,6 +6,7 @@ bifrost_FILES := \
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bifrost/bi_print.c \
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bifrost/bi_print.h \
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bifrost/bi_quirks.c \
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bifrost/bir.c \
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bifrost/compiler.h \
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bifrost/cmdline.c \
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bifrost/disassemble.c \
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62
src/panfrost/bifrost/bir.c
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62
src/panfrost/bifrost/bir.c
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@ -0,0 +1,62 @@
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/*
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* Copyright (C) 2020 Collabora Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors (Collabora):
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* Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
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*/
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#include "compiler.h"
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/* Does an instruction respect outmods and source mods? Depend
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* on the types involved */
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bool
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bi_has_outmod(bi_instruction *ins)
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{
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bool classy = bi_class_props[ins->type] & BI_MODS;
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bool floaty = nir_alu_type_get_base_type(ins->dest_type) == nir_type_float;
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return classy && floaty;
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}
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/* Technically we should check the source type, not the dest
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* type, but the type converting opcodes (i2f, f2i) don't
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* actually support mods so it doesn't matter. */
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bool
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bi_has_source_mods(bi_instruction *ins)
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{
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return bi_has_outmod(ins);
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}
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/* A source is swizzled if the op is swizzlable, in 8-bit or
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* 16-bit mode, and the swizzled op. TODO: multi args */
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bool
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bi_is_src_swizzled(bi_instruction *ins, unsigned s)
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{
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bool classy = bi_class_props[ins->type] & BI_SWIZZLABLE;
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bool small = nir_alu_type_get_type_size(ins->dest_type) < 32;
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bool first = (s == 0); /* TODO: prop? */
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return classy && small && first;
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}
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@ -432,4 +432,10 @@ bir_dest_index(nir_dest *dst)
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#define bi_foreach_src(ins, v) \
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for (unsigned v = 0; v < ARRAY_SIZE(ins->src); ++v)
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/* BIR manipulation */
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bool bi_has_outmod(bi_instruction *ins);
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bool bi_has_source_mods(bi_instruction *ins);
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bool bi_is_src_swizzled(bi_instruction *ins, unsigned s);
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#endif
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@ -23,6 +23,7 @@ libpanfrost_bifrost_files = files(
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'disassemble.c',
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'bi_print.c',
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'bi_tables.c',
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'bir.c',
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'bifrost_compile.c',
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)
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