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/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
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/* |
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* Copyright (C) 2014 Rob Clark |
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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: |
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* Rob Clark |
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*/ |
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#include |
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#include "ir3.h" |
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#define PTRID(x) ((unsigned long)(x)) |
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struct ir3_dump_ctx { |
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FILE *f; |
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bool verbose; |
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}; |
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static void dump_instr_name(struct ir3_dump_ctx *ctx, |
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struct ir3_instruction *instr) |
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{ |
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/* for debugging: */ |
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if (ctx->verbose) { |
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#ifdef DEBUG |
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fprintf(ctx->f, "%04u:", instr->serialno); |
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#endif |
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fprintf(ctx->f, "%03u: ", instr->depth); |
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} |
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if (instr->flags & IR3_INSTR_SY) |
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fprintf(ctx->f, "(sy)"); |
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if (instr->flags & IR3_INSTR_SS) |
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fprintf(ctx->f, "(ss)"); |
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if (is_meta(instr)) { |
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switch(instr->opc) { |
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case OPC_META_PHI: |
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fprintf(ctx->f, "Φ"); |
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break; |
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default: |
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/* shouldn't hit here.. just for debugging: */ |
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switch (instr->opc) { |
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case OPC_META_INPUT: fprintf(ctx->f, "_meta:in"); break; |
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case OPC_META_OUTPUT: fprintf(ctx->f, "_meta:out"); break; |
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case OPC_META_FO: fprintf(ctx->f, "_meta:fo"); break; |
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case OPC_META_FI: fprintf(ctx->f, "_meta:fi"); break; |
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case OPC_META_FLOW: fprintf(ctx->f, "_meta:flow"); break; |
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default: fprintf(ctx->f, "_meta:%d", instr->opc); break; |
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} |
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break; |
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} |
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} else if (instr->category == 1) { |
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static const char *type[] = { |
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[TYPE_F16] = "f16", |
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[TYPE_F32] = "f32", |
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[TYPE_U16] = "u16", |
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[TYPE_U32] = "u32", |
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[TYPE_S16] = "s16", |
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[TYPE_S32] = "s32", |
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[TYPE_U8] = "u8", |
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[TYPE_S8] = "s8", |
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}; |
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if (instr->cat1.src_type == instr->cat1.dst_type) |
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fprintf(ctx->f, "mov"); |
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else |
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fprintf(ctx->f, "cov"); |
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fprintf(ctx->f, ".%s%s", type[instr->cat1.src_type], type[instr->cat1.dst_type]); |
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} else { |
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fprintf(ctx->f, "%s", ir3_instr_name(instr)); |
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if (instr->flags & IR3_INSTR_3D) |
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fprintf(ctx->f, ".3d"); |
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if (instr->flags & IR3_INSTR_A) |
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fprintf(ctx->f, ".a"); |
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if (instr->flags & IR3_INSTR_O) |
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fprintf(ctx->f, ".o"); |
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if (instr->flags & IR3_INSTR_P) |
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fprintf(ctx->f, ".p"); |
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if (instr->flags & IR3_INSTR_S) |
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fprintf(ctx->f, ".s"); |
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if (instr->flags & IR3_INSTR_S2EN) |
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fprintf(ctx->f, ".s2en"); |
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} |
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} |
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static void dump_reg_name(struct ir3_dump_ctx *ctx, |
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struct ir3_register *reg, bool followssa) |
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{ |
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if ((reg->flags & (IR3_REG_FABS | IR3_REG_SABS)) && |
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(reg->flags & (IR3_REG_FNEG | IR3_REG_SNEG | IR3_REG_BNOT))) |
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fprintf(ctx->f, "(absneg)"); |
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else if (reg->flags & (IR3_REG_FNEG | IR3_REG_SNEG | IR3_REG_BNOT)) |
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fprintf(ctx->f, "(neg)"); |
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else if (reg->flags & (IR3_REG_FABS | IR3_REG_SABS)) |
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fprintf(ctx->f, "(abs)"); |
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if (reg->flags & IR3_REG_IMMED) { |
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fprintf(ctx->f, "imm[%f,%d,0x%x]", reg->fim_val, reg->iim_val, reg->iim_val); |
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} else if (reg->flags & IR3_REG_SSA) { |
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if (ctx->verbose) { |
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fprintf(ctx->f, "_"); |
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if (followssa) { |
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fprintf(ctx->f, "["); |
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dump_instr_name(ctx, reg->instr); |
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fprintf(ctx->f, "]"); |
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} |
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} |
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} else if (reg->flags & IR3_REG_RELATIV) { |
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if (reg->flags & IR3_REG_HALF) |
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fprintf(ctx->f, "h"); |
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if (reg->flags & IR3_REG_CONST) |
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fprintf(ctx->f, "c", reg->num); |
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else |
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fprintf(ctx->f, "\x1b[0;31mr\x1b[0m (%u)", reg->num, reg->size); |
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} else { |
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if (reg->flags & IR3_REG_HALF) |
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fprintf(ctx->f, "h"); |
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if (reg->flags & IR3_REG_CONST) |
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fprintf(ctx->f, "c%u.%c", reg_num(reg), "xyzw"[reg_comp(reg)]); |
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else |
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fprintf(ctx->f, "\x1b[0;31mr%u.%c\x1b[0m", reg_num(reg), "xyzw"[reg_comp(reg)]); |
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} |
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} |
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static void ir3_instr_dump(struct ir3_dump_ctx *ctx, |
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struct ir3_instruction *instr); |
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static void ir3_block_dump(struct ir3_dump_ctx *ctx, |
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struct ir3_block *block, const char *name); |
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static void dump_instr(struct ir3_dump_ctx *ctx, |
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struct ir3_instruction *instr) |
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{ |
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/* if we've already visited this instruction, bail now: */ |
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if (ir3_instr_check_mark(instr)) |
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return; |
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/* some meta-instructions need to be handled specially: */ |
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if (is_meta(instr)) { |
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if ((instr->opc == OPC_META_FO) || |
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(instr->opc == OPC_META_FI)) { |
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struct ir3_instruction *src; |
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foreach_ssa_src(src, instr) |
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dump_instr(ctx, src); |
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} else if (instr->opc == OPC_META_FLOW) { |
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struct ir3_register *reg = instr->regs[1]; |
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ir3_block_dump(ctx, instr->flow.if_block, "if"); |
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if (instr->flow.else_block) |
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ir3_block_dump(ctx, instr->flow.else_block, "else"); |
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if (reg->flags & IR3_REG_SSA) |
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dump_instr(ctx, reg->instr); |
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} else if (instr->opc == OPC_META_PHI) { |
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/* treat like a normal instruction: */ |
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ir3_instr_dump(ctx, instr); |
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} |
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} else { |
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ir3_instr_dump(ctx, instr); |
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} |
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} |
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/* arrarraggh! if link is to something outside of the current block, we |
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* need to defer emitting the link until the end of the block, since the |
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* edge triggers pre-creation of the node it links to inside the cluster, |
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* even though it is meant to be outside.. |
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*/ |
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static struct { |
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char buf[40960]; |
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unsigned n; |
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} edge_buf; |
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/* helper to print or defer: */ |
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static void printdef(struct ir3_dump_ctx *ctx, |
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bool defer, const char *fmt, ...) |
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{ |
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va_list ap; |
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va_start(ap, fmt); |
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if (defer) { |
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unsigned n = edge_buf.n; |
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n += vsnprintf(&edge_buf.buf[n], sizeof(edge_buf.buf) - n, |
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fmt, ap); |
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edge_buf.n = n; |
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} else { |
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vfprintf(ctx->f, fmt, ap); |
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} |
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va_end(ap); |
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} |
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static void dump_link2(struct ir3_dump_ctx *ctx, |
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struct ir3_instruction *instr, const char *target, bool defer) |
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{ |
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/* some meta-instructions need to be handled specially: */ |
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if (is_meta(instr)) { |
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if (instr->opc == OPC_META_INPUT) { |
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printdef(ctx, defer, "input%lx::w -> %s", |
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PTRID(instr->inout.block), |
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instr->regs[0]->num, target); |
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} else if (instr->opc == OPC_META_FO) { |
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struct ir3_register *reg = instr->regs[1]; |
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dump_link2(ctx, reg->instr, target, defer); |
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printdef(ctx, defer, "[label=\".%c\"]", |
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"xyzw"[instr->fo.off & 0x3]); |
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} else if (instr->opc == OPC_META_FI) { |
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struct ir3_instruction *src; |
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foreach_ssa_src_n(src, i, instr) { |
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dump_link2(ctx, src, target, defer); |
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printdef(ctx, defer, "[label=\".%c\"]", |
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"xyzw"[i & 0x3]); |
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} |
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} else if (instr->opc == OPC_META_OUTPUT) { |
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printdef(ctx, defer, "output%lx::w -> %s", |
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PTRID(instr->inout.block), |
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instr->regs[0]->num, target); |
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} else if (instr->opc == OPC_META_PHI) { |
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/* treat like a normal instruction: */ |
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printdef(ctx, defer, "instr%lx: -> %s", PTRID(instr), target); |
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} |
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} else { |
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printdef(ctx, defer, "instr%lx: -> %s", PTRID(instr), target); |
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} |
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} |
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static void dump_link(struct ir3_dump_ctx *ctx, |
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struct ir3_instruction *instr, |
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struct ir3_block *block, const char *target) |
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{ |
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bool defer = instr->block != block; |
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dump_link2(ctx, instr, target, defer); |
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printdef(ctx, defer, "\n"); |
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} |
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static struct ir3_register *follow_flow(struct ir3_register *reg) |
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{ |
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if (reg->flags & IR3_REG_SSA) { |
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struct ir3_instruction *instr = reg->instr; |
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/* go with the flow.. */ |
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if (is_meta(instr) && (instr->opc == OPC_META_FLOW)) |
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return instr->regs[1]; |
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} |
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return reg; |
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} |
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static void ir3_instr_dump(struct ir3_dump_ctx *ctx, |
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struct ir3_instruction *instr) |
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{ |
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struct ir3_register *src; |
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fprintf(ctx->f, "instr%lx [shape=record,style=filled,fillcolor=lightgrey,label=\"{", |
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PTRID(instr)); |
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dump_instr_name(ctx, instr); |
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/* destination register: */ |
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fprintf(ctx->f, "|"); |
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/* source register(s): */ |
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foreach_src_n(src, i, instr) { |
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struct ir3_register *reg = follow_flow(src); |
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fprintf(ctx->f, "|"); |
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if (reg->flags & IR3_REG_SSA) |
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fprintf(ctx->f, " ", i); |
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dump_reg_name(ctx, reg, true); |
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} |
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fprintf(ctx->f, "}\"];\n"); |
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/* and recursively dump dependent instructions: */ |
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foreach_src_n(src, i, instr) { |
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struct ir3_register *reg = follow_flow(src); |
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char target[32]; /* link target */ |
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293 |
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if (!(reg->flags & IR3_REG_SSA)) |
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continue; |
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snprintf(target, sizeof(target), "instr%lx:", |
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PTRID(instr), i); |
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dump_instr(ctx, reg->instr); |
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dump_link(ctx, reg->instr, instr->block, target); |
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} |
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} |
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static void ir3_block_dump(struct ir3_dump_ctx *ctx, |
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struct ir3_block *block, const char *name) |
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{ |
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unsigned i, n; |
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n = edge_buf.n; |
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311 |
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fprintf(ctx->f, "subgraph cluster%lx {\n", PTRID(block)); |
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fprintf(ctx->f, "label=\"%s\";\n", name); |
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/* draw inputs: */ |
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fprintf(ctx->f, "input%lx [shape=record,label=\"inputs", PTRID(block)); |
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for (i = 0; i < block->ninputs; i++) |
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if (block->inputs[i]) |
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fprintf(ctx->f, "| i%u.%c", i, (i >> 2), "xyzw"[i & 0x3]); |
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320 |
fprintf(ctx->f, "\"];\n"); |
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321 |
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322 |
/* draw instruction graph: */ |
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for (i = 0; i < block->noutputs; i++) |
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if (block->outputs[i]) |
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dump_instr(ctx, block->outputs[i]); |
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/* draw outputs: */ |
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fprintf(ctx->f, "output%lx [shape=record,label=\"outputs", PTRID(block)); |
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for (i = 0; i < block->noutputs; i++) |
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fprintf(ctx->f, "| o%u.%c", i, (i >> 2), "xyzw"[i & 0x3]); |
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fprintf(ctx->f, "\"];\n"); |
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/* and links to outputs: */ |
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for (i = 0; i < block->noutputs; i++) { |
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char target[32]; /* link target */ |
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/* NOTE: there could be outputs that are never assigned, |
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* so skip them |
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*/ |
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340 |
if (!block->outputs[i]) |
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continue; |
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342 |
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snprintf(target, sizeof(target), "output%lx::e", |
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PTRID(block), i); |
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345 |
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dump_link(ctx, block->outputs[i], block, target); |
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} |
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348 |
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fprintf(ctx->f, "}\n"); |
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350 |
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/* and links to inputs: */ |
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if (block->parent) { |
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for (i = 0; i < block->ninputs; i++) { |
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char target[32]; /* link target */ |
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355 |
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356 |
if (!block->inputs[i]) |
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continue; |
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358 |
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dump_instr(ctx, block->inputs[i]); |
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360 |
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snprintf(target, sizeof(target), "input%lx::e", |
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PTRID(block), i); |
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363 |
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364 |
dump_link(ctx, block->inputs[i], block, target); |
|
|
365 |
} |
|
|
366 |
} |
|
|
367 |
|
|
|
368 |
/* dump deferred edges: */ |
|
|
369 |
if (edge_buf.n > n) { |
|
|
370 |
fprintf(ctx->f, "%*s", edge_buf.n - n, &edge_buf.buf[n]); |
|
|
371 |
edge_buf.n = n; |
|
|
372 |
} |
|
|
373 |
} |
|
|
374 |
|
|
|
375 |
void ir3_dump(struct ir3 *shader, const char *name, |
|
|
376 |
struct ir3_block *block /* XXX maybe 'block' ptr should move to ir3? */, |
|
|
377 |
FILE *f) |
|
|
378 |
{ |
|
|
379 |
struct ir3_dump_ctx ctx = { |
|
|
380 |
.f = f, |
|
|
381 |
}; |
|
|
382 |
ir3_clear_mark(shader); |
|
|
383 |
fprintf(ctx.f, "digraph G {\n"); |
|
|
384 |
fprintf(ctx.f, "rankdir=RL;\n"); |
|
|
385 |
fprintf(ctx.f, "nodesep=0.25;\n"); |
|
|
386 |
fprintf(ctx.f, "ranksep=1.5;\n"); |
|
|
387 |
ir3_block_dump(&ctx, block, name); |
|
|
388 |
fprintf(ctx.f, "}\n"); |
|
|
389 |
} |
|
|
390 |
|
|
|
391 |
/* |
|
|
392 |
* For Debugging: |
|
|
393 |
*/ |
|
|
394 |
|
|
|
395 |
void |
|
|
396 |
ir3_dump_instr_single(struct ir3_instruction *instr) |
|
|
397 |
{ |
|
|
398 |
struct ir3_dump_ctx ctx = { |
|
|
399 |
.f = stdout, |
|
|
400 |
.verbose = true, |
|
|
401 |
}; |
|
|
402 |
unsigned i; |
|
|
403 |
|
|
|
404 |
dump_instr_name(&ctx, instr); |
|
|
405 |
for (i = 0; i < instr->regs_count; i++) { |
|
|
406 |
struct ir3_register *reg = instr->regs[i]; |
|
|
407 |
printf(i ? ", " : " "); |
|
|
408 |
dump_reg_name(&ctx, reg, !!i); |
|
|
409 |
} |
|
|
410 |
|
|
|
411 |
if (instr->address) { |
|
|
412 |
fprintf(ctx.f, ", address=_"); |
|
|
413 |
fprintf(ctx.f, "["); |
|
|
414 |
dump_instr_name(&ctx, instr->address); |
|
|
415 |
fprintf(ctx.f, "]"); |
|
|
416 |
} |
|
|
417 |
|
|
|
418 |
if (instr->fanin) { |
|
|
419 |
fprintf(ctx.f, ", fanin=_"); |
|
|
420 |
fprintf(ctx.f, "["); |
|
|
421 |
dump_instr_name(&ctx, instr->fanin); |
|
|
422 |
fprintf(ctx.f, "]"); |
|
|
423 |
} |
|
|
424 |
|
|
|
425 |
if (is_meta(instr)) { |
|
|
426 |
if (instr->opc == OPC_META_FO) { |
|
|
427 |
printf(", off=%d", instr->fo.off); |
|
|
428 |
} else if ((instr->opc == OPC_META_FI) && instr->fi.aid) { |
|
|
429 |
printf(", aid=%d", instr->fi.aid); |
|
|
430 |
} |
|
|
431 |
} |
|
|
432 |
|
|
|
433 |
printf("\n"); |
|
|
434 |
} |
|
|
435 |
|
|
|
436 |
void |
|
|
437 |
ir3_dump_instr_list(struct ir3_instruction *instr) |
|
|
438 |
{ |
|
|
439 |
struct ir3_block *block = instr->block; |
|
|
440 |
unsigned n = 0; |
|
|
441 |
|
|
|
442 |
while (instr) { |
|
|
443 |
ir3_dump_instr_single(instr); |
|
|
444 |
if (!is_meta(instr)) |
|
|
445 |
n++; |
|
|
446 |
instr = instr->next; |
|
|
447 |
} |
|
|
448 |
printf("%u instructions\n", n); |
|
|
449 |
|
|
|
450 |
for (n = 0; n < block->noutputs; n++) { |
|
|
451 |
if (!block->outputs[n]) |
|
|
452 |
continue; |
|
|
453 |
printf("out%d: ", n); |
|
|
454 |
ir3_dump_instr_single(block->outputs[n]); |
|
|
455 |
} |
|
|
456 |
} |