src/gallium/drivers/freedreno/ir3/ir3_print.c

   1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
   2
   3 /*
   4  * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Authors:
  26  *    Rob Clark <robclark@freedesktop.org>
  27  */
  28
  29 #include <stdarg.h>
  30 #include <stdio.h>
  31
  32 #include "ir3.h"
  33
  34 #define PTRID(x) ((unsigned long)(x))
  35
  36 static void print_instr_name(struct ir3_instruction *instr)
  37 {
  38 #ifdef DEBUG
  39         printf("%04u:", instr->serialno);
  40 #endif
  41         printf("%03u: ", instr->depth);
  42
  43         if (instr->flags & IR3_INSTR_SY)
  44                 printf("(sy)");
  45         if (instr->flags & IR3_INSTR_SS)
  46                 printf("(ss)");
  47
  48         if (is_meta(instr)) {
  49                 switch(instr->opc) {
  50                 case OPC_META_PHI:
  51                         printf("&#934;");
  52                         break;
  53                 default:
  54                         /* shouldn't hit here.. just for debugging: */
  55                         switch (instr->opc) {
  56                         case OPC_META_INPUT:  printf("_meta:in");   break;
  57                         case OPC_META_FO:     printf("_meta:fo");   break;
  58                         case OPC_META_FI:     printf("_meta:fi");   break;
  59
  60                         default: printf("_meta:%d", instr->opc); break;
  61                         }
  62                         break;
  63                 }
  64         } else if (instr->category == 1) {
  65                 static const char *type[] = {
  66                                 [TYPE_F16] = "f16",
  67                                 [TYPE_F32] = "f32",
  68                                 [TYPE_U16] = "u16",
  69                                 [TYPE_U32] = "u32",
  70                                 [TYPE_S16] = "s16",
  71                                 [TYPE_S32] = "s32",
  72                                 [TYPE_U8]  = "u8",
  73                                 [TYPE_S8]  = "s8",
  74                 };
  75                 if (instr->cat1.src_type == instr->cat1.dst_type)
  76                         printf("mov");
  77                 else
  78                         printf("cov");
  79                 printf(".%s%s", type[instr->cat1.src_type], type[instr->cat1.dst_type]);
  80         } else {
  81                 printf("%s", ir3_instr_name(instr));
  82                 if (instr->flags & IR3_INSTR_3D)
  83                         printf(".3d");
  84                 if (instr->flags & IR3_INSTR_A)
  85                         printf(".a");
  86                 if (instr->flags & IR3_INSTR_O)
  87                         printf(".o");
  88                 if (instr->flags & IR3_INSTR_P)
  89                         printf(".p");
  90                 if (instr->flags & IR3_INSTR_S)
  91                         printf(".s");
  92                 if (instr->flags & IR3_INSTR_S2EN)
  93                         printf(".s2en");
  94         }
  95 }
  96
  97 static void print_reg_name(struct ir3_register *reg)
  98 {
  99         if ((reg->flags & (IR3_REG_FABS | IR3_REG_SABS)) &&
 100                         (reg->flags & (IR3_REG_FNEG | IR3_REG_SNEG | IR3_REG_BNOT)))
 101                 printf("(absneg)");
 102         else if (reg->flags & (IR3_REG_FNEG | IR3_REG_SNEG | IR3_REG_BNOT))
 103                 printf("(neg)");
 104         else if (reg->flags & (IR3_REG_FABS | IR3_REG_SABS))
 105                 printf("(abs)");
 106
 107         if (reg->flags & IR3_REG_IMMED) {
 108                 printf("imm[%f,%d,0x%x]", reg->fim_val, reg->iim_val, reg->iim_val);
 109         } else if (reg->flags & IR3_REG_ARRAY) {
 110                 printf("arr[id=%u, offset=%d, size=%u", reg->array.id,
 111                                 reg->array.offset, reg->size);
 112                 /* for ARRAY we could have null src, for example first write
 113                  * instruction..
 114                  */
 115                 if (reg->instr) {
 116                         printf(", _[");
 117                         print_instr_name(reg->instr);
 118                         printf("]");
 119                 }
 120                 printf("]");
 121         } else if (reg->flags & IR3_REG_SSA) {
 122                 printf("_[");
 123                 print_instr_name(reg->instr);
 124                 printf("]");
 125         } else if (reg->flags & IR3_REG_RELATIV) {
 126                 if (reg->flags & IR3_REG_HALF)
 127                         printf("h");
 128                 if (reg->flags & IR3_REG_CONST)
 129                         printf("c<a0.x + %d>", reg->array.offset);
 130                 else
 131                         printf("\x1b[0;31mr<a0.x + %d>\x1b[0m (%u)", reg->array.offset, reg->size);
 132         } else {
 133                 if (reg->flags & IR3_REG_HALF)
 134                         printf("h");
 135                 if (reg->flags & IR3_REG_CONST)
 136                         printf("c%u.%c", reg_num(reg), "xyzw"[reg_comp(reg)]);
 137                 else
 138                         printf("\x1b[0;31mr%u.%c\x1b[0m", reg_num(reg), "xyzw"[reg_comp(reg)]);
 139         }
 140 }
 141
 142 static void
 143 tab(int lvl)
 144 {
 145         for (int i = 0; i < lvl; i++)
 146                 printf("\t");
 147 }
 148
 149 static uint32_t
 150 block_id(struct ir3_block *block)
 151 {
 152 #ifdef DEBUG
 153         return block->serialno;
 154 #else
 155         return (uint32_t)(unsigned long)block;
 156 #endif
 157 }
 158
 159 static void
 160 print_instr(struct ir3_instruction *instr, int lvl)
 161 {
 162         unsigned i;
 163
 164         tab(lvl);
 165
 166         print_instr_name(instr);
 167         for (i = 0; i < instr->regs_count; i++) {
 168                 struct ir3_register *reg = instr->regs[i];
 169                 printf(i ? ", " : " ");
 170                 print_reg_name(reg);
 171         }
 172
 173         if (instr->address) {
 174                 printf(", address=_");
 175                 printf("[");
 176                 print_instr_name(instr->address);
 177                 printf("]");
 178         }
 179
 180         if (instr->cp.left) {
 181                 printf(", left=_");
 182                 printf("[");
 183                 print_instr_name(instr->cp.left);
 184                 printf("]");
 185         }
 186
 187         if (instr->cp.right) {
 188                 printf(", right=_");
 189                 printf("[");
 190                 print_instr_name(instr->cp.right);
 191                 printf("]");
 192         }
 193
 194         if (is_meta(instr)) {
 195                 if (instr->opc == OPC_META_FO) {
 196                         printf(", off=%d", instr->fo.off);
 197                 }
 198         }
 199
 200         if (is_flow(instr) && instr->cat0.target) {
 201                 /* the predicate register src is implied: */
 202                 if (instr->opc == OPC_BR) {
 203                         printf(" %sp0.x", instr->cat0.inv ? "!" : "");
 204                 }
 205                 printf(", target=block%u", block_id(instr->cat0.target));
 206         }
 207
 208         printf("\n");
 209 }
 210
 211 void ir3_print_instr(struct ir3_instruction *instr)
 212 {
 213         print_instr(instr, 0);
 214 }
 215
 216 static void
 217 print_block(struct ir3_block *block, int lvl)
 218 {
 219         tab(lvl); printf("block%u {\n", block_id(block));
 220         list_for_each_entry (struct ir3_instruction, instr, &block->instr_list, node) {
 221                 print_instr(instr, lvl+1);
 222         }
 223         if (block->successors[1]) {
 224                 /* leading into if/else: */
 225                 tab(lvl+1);
 226                 printf("/* succs: if _[");
 227                 print_instr_name(block->condition);
 228                 printf("] block%u; else block%u; */\n",
 229                                 block_id(block->successors[0]),
 230                                 block_id(block->successors[1]));
 231         } else if (block->successors[0]) {
 232                 tab(lvl+1);
 233                 printf("/* succs: block%u; */\n",
 234                                 block_id(block->successors[0]));
 235         }
 236         tab(lvl); printf("}\n");
 237 }
 238
 239 void
 240 ir3_print(struct ir3 *ir)
 241 {
 242         list_for_each_entry (struct ir3_block, block, &ir->block_list, node)
 243                 print_block(block, 0);
 244
 245         for (unsigned i = 0; i < ir->noutputs; i++) {
 246                 if (!ir->outputs[i])
 247                         continue;
 248                 printf("out%d: ", i);
 249                 print_instr(ir->outputs[i], 0);
 250         }
 251 }