src/freedreno/ir3/ir3_print.c

   1 /*
   2  * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29
  30 #include "ir3.h"
  31
  32 #define PTRID(x) ((unsigned long)(x))
  33
  34 static void print_instr_name(struct ir3_instruction *instr)
  35 {
  36         if (!instr)
  37                 return;
  38 #ifdef DEBUG
  39         printf("%04u:", instr->serialno);
  40 #endif
  41         printf("%04u:", instr->name);
  42         printf("%04u:", instr->ip);
  43         printf("%03u: ", instr->depth);
  44
  45         if (instr->flags & IR3_INSTR_SY)
  46                 printf("(sy)");
  47         if (instr->flags & IR3_INSTR_SS)
  48                 printf("(ss)");
  49
  50         if (is_meta(instr)) {
  51                 switch (instr->opc) {
  52                 case OPC_META_INPUT:  printf("_meta:in");   break;
  53                 case OPC_META_FO:     printf("_meta:fo");   break;
  54                 case OPC_META_FI:     printf("_meta:fi");   break;
  55
  56                 /* shouldn't hit here.. just for debugging: */
  57                 default: printf("_meta:%d", instr->opc);    break;
  58                 }
  59         } else if (instr->opc == OPC_MOV) {
  60                 static const char *type[] = {
  61                                 [TYPE_F16] = "f16",
  62                                 [TYPE_F32] = "f32",
  63                                 [TYPE_U16] = "u16",
  64                                 [TYPE_U32] = "u32",
  65                                 [TYPE_S16] = "s16",
  66                                 [TYPE_S32] = "s32",
  67                                 [TYPE_U8]  = "u8",
  68                                 [TYPE_S8]  = "s8",
  69                 };
  70                 if (instr->cat1.src_type == instr->cat1.dst_type)
  71                         printf("mov");
  72                 else
  73                         printf("cov");
  74                 printf(".%s%s", type[instr->cat1.src_type], type[instr->cat1.dst_type]);
  75         } else {
  76                 printf("%s", ir3_instr_name(instr));
  77                 if (instr->flags & IR3_INSTR_3D)
  78                         printf(".3d");
  79                 if (instr->flags & IR3_INSTR_A)
  80                         printf(".a");
  81                 if (instr->flags & IR3_INSTR_O)
  82                         printf(".o");
  83                 if (instr->flags & IR3_INSTR_P)
  84                         printf(".p");
  85                 if (instr->flags & IR3_INSTR_S)
  86                         printf(".s");
  87                 if (instr->flags & IR3_INSTR_S2EN)
  88                         printf(".s2en");
  89         }
  90 }
  91
  92 static void print_reg_name(struct ir3_register *reg)
  93 {
  94         if ((reg->flags & (IR3_REG_FABS | IR3_REG_SABS)) &&
  95                         (reg->flags & (IR3_REG_FNEG | IR3_REG_SNEG | IR3_REG_BNOT)))
  96                 printf("(absneg)");
  97         else if (reg->flags & (IR3_REG_FNEG | IR3_REG_SNEG | IR3_REG_BNOT))
  98                 printf("(neg)");
  99         else if (reg->flags & (IR3_REG_FABS | IR3_REG_SABS))
 100                 printf("(abs)");
 101
 102         if (reg->flags & IR3_REG_IMMED) {
 103                 printf("imm[%f,%d,0x%x]", reg->fim_val, reg->iim_val, reg->iim_val);
 104         } else if (reg->flags & IR3_REG_ARRAY) {
 105                 printf("arr[id=%u, offset=%d, size=%u", reg->array.id,
 106                                 reg->array.offset, reg->size);
 107                 /* for ARRAY we could have null src, for example first write
 108                  * instruction..
 109                  */
 110                 if (reg->instr) {
 111                         printf(", _[");
 112                         print_instr_name(reg->instr);
 113                         printf("]");
 114                 }
 115                 printf("]");
 116         } else if (reg->flags & IR3_REG_SSA) {
 117                 printf("_[");
 118                 print_instr_name(reg->instr);
 119                 printf("]");
 120         } else if (reg->flags & IR3_REG_RELATIV) {
 121                 if (reg->flags & IR3_REG_HALF)
 122                         printf("h");
 123                 if (reg->flags & IR3_REG_CONST)
 124                         printf("c<a0.x + %d>", reg->array.offset);
 125                 else
 126                         printf("\x1b[0;31mr<a0.x + %d>\x1b[0m (%u)", reg->array.offset, reg->size);
 127         } else {
 128                 if (reg->flags & IR3_REG_HIGH)
 129                         printf("H");
 130                 if (reg->flags & IR3_REG_HALF)
 131                         printf("h");
 132                 if (reg->flags & IR3_REG_CONST)
 133                         printf("c%u.%c", reg_num(reg), "xyzw"[reg_comp(reg)]);
 134                 else
 135                         printf("\x1b[0;31mr%u.%c\x1b[0m", reg_num(reg), "xyzw"[reg_comp(reg)]);
 136         }
 137 }
 138
 139 static void
 140 tab(int lvl)
 141 {
 142         for (int i = 0; i < lvl; i++)
 143                 printf("\t");
 144 }
 145
 146 static void
 147 print_instr(struct ir3_instruction *instr, int lvl)
 148 {
 149         unsigned i;
 150
 151         tab(lvl);
 152
 153         print_instr_name(instr);
 154         for (i = 0; i < instr->regs_count; i++) {
 155                 struct ir3_register *reg = instr->regs[i];
 156                 printf(i ? ", " : " ");
 157                 print_reg_name(reg);
 158         }
 159
 160         if (instr->address) {
 161                 printf(", address=_");
 162                 printf("[");
 163                 print_instr_name(instr->address);
 164                 printf("]");
 165         }
 166
 167         if (instr->cp.left) {
 168                 printf(", left=_");
 169                 printf("[");
 170                 print_instr_name(instr->cp.left);
 171                 printf("]");
 172         }
 173
 174         if (instr->cp.right) {
 175                 printf(", right=_");
 176                 printf("[");
 177                 print_instr_name(instr->cp.right);
 178                 printf("]");
 179         }
 180
 181         if (instr->opc == OPC_META_FO) {
 182                 printf(", off=%d", instr->fo.off);
 183         }
 184
 185         if (is_flow(instr) && instr->cat0.target) {
 186                 /* the predicate register src is implied: */
 187                 if (instr->opc == OPC_BR) {
 188                         printf(" %sp0.x", instr->cat0.inv ? "!" : "");
 189                 }
 190                 printf(", target=block%u", block_id(instr->cat0.target));
 191         }
 192
 193         if (instr->deps_count) {
 194                 printf(", false-deps:");
 195                 for (unsigned i = 0; i < instr->deps_count; i++) {
 196                         if (i > 0)
 197                                 printf(", ");
 198                         printf("_[");
 199                         print_instr_name(instr->deps[i]);
 200                         printf("]");
 201                 }
 202         }
 203
 204         printf("\n");
 205 }
 206
 207 void ir3_print_instr(struct ir3_instruction *instr)
 208 {
 209         print_instr(instr, 0);
 210 }
 211
 212 static void
 213 print_block(struct ir3_block *block, int lvl)
 214 {
 215         tab(lvl); printf("block%u {\n", block_id(block));
 216
 217         if (block->predecessors_count > 0) {
 218                 tab(lvl+1);
 219                 printf("pred: ");
 220                 for (unsigned i = 0; i < block->predecessors_count; i++) {
 221                         if (i)
 222                                 printf(", ");
 223                         printf("block%u", block_id(block->predecessors[i]));
 224                 }
 225                 printf("\n");
 226         }
 227
 228         list_for_each_entry (struct ir3_instruction, instr, &block->instr_list, node) {
 229                 print_instr(instr, lvl+1);
 230         }
 231
 232         tab(lvl+1); printf("/* keeps:\n");
 233         for (unsigned i = 0; i < block->keeps_count; i++) {
 234                 print_instr(block->keeps[i], lvl+2);
 235         }
 236         tab(lvl+1); printf(" */\n");
 237
 238         if (block->successors[1]) {
 239                 /* leading into if/else: */
 240                 tab(lvl+1);
 241                 printf("/* succs: if _[");
 242                 print_instr_name(block->condition);
 243                 printf("] block%u; else block%u; */\n",
 244                                 block_id(block->successors[0]),
 245                                 block_id(block->successors[1]));
 246         } else if (block->successors[0]) {
 247                 tab(lvl+1);
 248                 printf("/* succs: block%u; */\n",
 249                                 block_id(block->successors[0]));
 250         }
 251         tab(lvl); printf("}\n");
 252 }
 253
 254 void
 255 ir3_print(struct ir3 *ir)
 256 {
 257         list_for_each_entry (struct ir3_block, block, &ir->block_list, node)
 258                 print_block(block, 0);
 259
 260         for (unsigned i = 0; i < ir->noutputs; i++) {
 261                 if (!ir->outputs[i])
 262                         continue;
 263                 printf("out%d: ", i);
 264                 print_instr(ir->outputs[i], 0);
 265         }
 266 }