2021-04-11 03:03:19 +01:00
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/*
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* Copyright (C) 2021 Alyssa Rosenzweig <alyssa@rosenzweig.io>
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* Copyright (C) 2019-2020 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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#include "agx_compiler.h"
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2021-04-11 20:29:08 +01:00
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static void
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agx_print_sized(char prefix, unsigned value, enum agx_size size, FILE *fp)
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{
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switch (size) {
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case AGX_SIZE_16:
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fprintf(fp, "%c%u%c", prefix, value >> 1, (value & 1) ? 'h' : 'l');
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return;
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case AGX_SIZE_32:
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assert((value & 1) == 0);
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fprintf(fp, "%c%u", prefix, value >> 1);
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return;
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case AGX_SIZE_64:
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assert((value & 1) == 0);
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fprintf(fp, "%c%u:%c%u", prefix, value >> 1,
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prefix, (value >> 1) + 1);
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return;
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}
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unreachable("Invalid size");
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}
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static void
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agx_print_index(agx_index index, FILE *fp)
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{
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switch (index.type) {
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case AGX_INDEX_NULL:
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fprintf(fp, "_");
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return;
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case AGX_INDEX_NORMAL:
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if (index.cache)
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fprintf(fp, "$");
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if (index.discard)
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fprintf(fp, "`");
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fprintf(fp, "%u", index.value);
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break;
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case AGX_INDEX_IMMEDIATE:
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fprintf(fp, "#%u", index.value);
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break;
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case AGX_INDEX_UNIFORM:
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agx_print_sized('u', index.value, index.size, fp);
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break;
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case AGX_INDEX_REGISTER:
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agx_print_sized('r', index.value, index.size, fp);
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break;
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default:
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unreachable("Invalid index type");
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}
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/* Print length suffixes if not implied */
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if (index.type == AGX_INDEX_NORMAL || index.type == AGX_INDEX_IMMEDIATE) {
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if (index.size == AGX_SIZE_16)
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fprintf(fp, "h");
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else if (index.size == AGX_SIZE_64)
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fprintf(fp, "d");
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}
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if (index.abs)
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fprintf(fp, ".abs");
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if (index.neg)
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fprintf(fp, ".neg");
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}
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2021-04-11 03:03:19 +01:00
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void
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agx_print_instr(agx_instr *I, FILE *fp)
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{
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2021-04-11 20:29:08 +01:00
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assert(I->op < AGX_NUM_OPCODES);
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struct agx_opcode_info info = agx_opcodes_info[I->op];
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fprintf(fp, " %s", info.name);
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if (I->saturate)
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fprintf(fp, ".sat");
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if (I->last)
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fprintf(fp, ".last");
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fprintf(fp, " ");
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bool print_comma = false;
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for (unsigned d = 0; d < info.nr_dests; ++d) {
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if (print_comma)
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fprintf(fp, ", ");
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else
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print_comma = true;
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agx_print_index(I->dest[d], fp);
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}
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for (unsigned s = 0; s < info.nr_srcs; ++s) {
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if (print_comma)
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fprintf(fp, ", ");
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else
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print_comma = true;
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agx_print_index(I->src[s], fp);
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}
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if (I->mask) {
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fprintf(fp, ", ");
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for (unsigned i = 0; i < 4; ++i) {
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if (I->mask & (1 << i))
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fprintf(fp, "%c", "xyzw"[i]);
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}
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}
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/* TODO: Do better for enums, truth tables, etc */
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if (info.immediates) {
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if (print_comma)
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fprintf(fp, ", ");
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else
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print_comma = true;
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fprintf(fp, "#%X", I->imm);
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}
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if (info.immediates & AGX_IMMEDIATE_DIM) {
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if (print_comma)
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fprintf(fp, ", ");
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else
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print_comma = true;
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fprintf(fp, "dim %u", I->dim); // TODO enumify
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}
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if (info.immediates & AGX_IMMEDIATE_SCOREBOARD) {
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if (print_comma)
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fprintf(fp, ", ");
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else
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print_comma = true;
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fprintf(fp, "slot %u", I->scoreboard);
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}
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2021-05-23 17:35:58 +01:00
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if (info.immediates & AGX_IMMEDIATE_NEST) {
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if (print_comma)
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fprintf(fp, ", ");
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else
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print_comma = true;
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fprintf(fp, "n=%u", I->nest);
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}
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2021-05-23 22:17:16 +01:00
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if ((info.immediates & AGX_IMMEDIATE_INVERT_COND) && I->invert_cond) {
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if (print_comma)
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fprintf(fp, ", ");
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else
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print_comma = true;
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fprintf(fp, "inv");
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}
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2021-04-11 20:29:08 +01:00
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fprintf(fp, "\n");
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2021-04-11 03:03:19 +01:00
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}
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void
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agx_print_block(agx_block *block, FILE *fp)
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{
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fprintf(fp, "block%u {\n", block->name);
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agx_foreach_instr_in_block(block, ins)
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agx_print_instr(ins, fp);
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fprintf(fp, "}");
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if (block->successors[0]) {
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fprintf(fp, " -> ");
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agx_foreach_successor(block, succ)
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fprintf(fp, "block%u ", succ->name);
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}
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if (block->predecessors->entries) {
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fprintf(fp, " from");
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agx_foreach_predecessor(block, pred)
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fprintf(fp, " block%u", pred->name);
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}
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fprintf(fp, "\n\n");
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}
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void
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agx_print_shader(agx_context *ctx, FILE *fp)
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{
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agx_foreach_block(ctx, block)
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agx_print_block(block, fp);
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}
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