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mesa/src/freedreno/ir3/ir3_print.c

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/*
* Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Rob Clark <robclark@freedesktop.org>
*/
#include <stdarg.h>
#include <stdio.h>
#include "util/log.h"
#include "ir3.h"
#define PTRID(x) ((unsigned long)(x))
/* ansi escape sequences: */
#define RESET "\x1b[0m"
#define RED "\x1b[0;31m"
#define GREEN "\x1b[0;32m"
#define BLUE "\x1b[0;34m"
#define MAGENTA "\x1b[0;35m"
/* syntax coloring, mostly to make it easier to see different sorts of
* srcs (immediate, constant, ssa, array, ...)
*/
#define SYN_REG(x) RED x RESET
#define SYN_IMMED(x) GREEN x RESET
#define SYN_CONST(x) GREEN x RESET
#define SYN_SSA(x) BLUE x RESET
#define SYN_ARRAY(x) MAGENTA x RESET
static const char *
type_name(type_t type)
{
static const char *type_names[] = {
/* clang-format off */
[TYPE_F16] = "f16",
[TYPE_F32] = "f32",
[TYPE_U16] = "u16",
[TYPE_U32] = "u32",
[TYPE_S16] = "s16",
[TYPE_S32] = "s32",
[TYPE_U8] = "u8",
[TYPE_S8] = "s8",
/* clang-format on */
};
return type_names[type];
}
static void
print_instr_name(struct log_stream *stream, struct ir3_instruction *instr,
bool flags)
{
if (!instr)
return;
#if MESA_DEBUG
mesa_log_stream_printf(stream, "%04u:", instr->serialno);
#endif
mesa_log_stream_printf(stream, "%04u:", instr->ip);
if (instr->flags & IR3_INSTR_UNUSED) {
mesa_log_stream_printf(stream, "XXX: ");
} else {
mesa_log_stream_printf(stream, "%03u: ", instr->use_count);
}
if (flags) {
mesa_log_stream_printf(stream, "\t");
if (instr->flags & IR3_INSTR_SY)
mesa_log_stream_printf(stream, "(sy)");
if (instr->flags & IR3_INSTR_SS)
mesa_log_stream_printf(stream, "(ss)");
if (instr->flags & IR3_INSTR_JP)
mesa_log_stream_printf(stream, "(jp)");
if (instr->repeat)
mesa_log_stream_printf(stream, "(rpt%d)", instr->repeat);
if (instr->nop)
mesa_log_stream_printf(stream, "(nop%d)", instr->nop);
if (instr->flags & IR3_INSTR_UL)
mesa_log_stream_printf(stream, "(ul)");
} else {
mesa_log_stream_printf(stream, " ");
}
if (is_meta(instr)) {
switch (instr->opc) {
case OPC_META_INPUT:
mesa_log_stream_printf(stream, "_meta:in");
break;
case OPC_META_SPLIT:
mesa_log_stream_printf(stream, "_meta:split");
break;
case OPC_META_COLLECT:
mesa_log_stream_printf(stream, "_meta:collect");
break;
case OPC_META_TEX_PREFETCH:
mesa_log_stream_printf(stream, "_meta:tex_prefetch");
break;
case OPC_META_PARALLEL_COPY:
mesa_log_stream_printf(stream, "_meta:parallel_copy");
break;
case OPC_META_PHI:
mesa_log_stream_printf(stream, "_meta:phi");
break;
/* shouldn't hit here.. just for debugging: */
default:
mesa_log_stream_printf(stream, "_meta:%d", instr->opc);
break;
}
} else if (opc_cat(instr->opc) == 1) {
if (instr->opc == OPC_MOV) {
if (instr->cat1.src_type == instr->cat1.dst_type)
mesa_log_stream_printf(stream, "mov");
else
mesa_log_stream_printf(stream, "cov");
} else {
mesa_log_stream_printf(stream, "%s",
disasm_a3xx_instr_name(instr->opc));
}
if (instr->opc == OPC_SCAN_MACRO ||
instr->opc == OPC_SCAN_CLUSTERS_MACRO) {
switch (instr->cat1.reduce_op) {
case REDUCE_OP_ADD_U:
mesa_log_stream_printf(stream, ".add.u");
break;
case REDUCE_OP_ADD_F:
mesa_log_stream_printf(stream, ".add.f");
break;
case REDUCE_OP_MUL_U:
mesa_log_stream_printf(stream, ".mul.u");
break;
case REDUCE_OP_MUL_F:
mesa_log_stream_printf(stream, ".mul.f");
break;
case REDUCE_OP_MIN_U:
mesa_log_stream_printf(stream, ".min.u");
break;
case REDUCE_OP_MIN_S:
mesa_log_stream_printf(stream, ".min.s");
break;
case REDUCE_OP_MIN_F:
mesa_log_stream_printf(stream, ".min.f");
break;
case REDUCE_OP_MAX_U:
mesa_log_stream_printf(stream, ".max.u");
break;
case REDUCE_OP_MAX_S:
mesa_log_stream_printf(stream, ".max.s");
break;
case REDUCE_OP_MAX_F:
mesa_log_stream_printf(stream, ".max.f");
break;
case REDUCE_OP_AND_B:
mesa_log_stream_printf(stream, ".and.b");
break;
case REDUCE_OP_OR_B:
mesa_log_stream_printf(stream, ".or.b");
break;
case REDUCE_OP_XOR_B:
mesa_log_stream_printf(stream, ".xor.b");
break;
}
}
if (instr->opc != OPC_MOVMSK && instr->opc != OPC_SCAN_MACRO &&
instr->opc != OPC_PUSH_CONSTS_LOAD_MACRO) {
mesa_log_stream_printf(stream, ".%s%s",
type_name(instr->cat1.src_type),
type_name(instr->cat1.dst_type));
}
} else {
mesa_log_stream_printf(stream, "%s", disasm_a3xx_instr_name(instr->opc));
if (instr->flags & IR3_INSTR_3D)
mesa_log_stream_printf(stream, ".3d");
if (instr->flags & IR3_INSTR_A)
mesa_log_stream_printf(stream, ".a");
if (instr->flags & IR3_INSTR_O)
mesa_log_stream_printf(stream, ".o");
if (instr->flags & IR3_INSTR_P)
mesa_log_stream_printf(stream, ".p");
if (instr->flags & IR3_INSTR_S)
mesa_log_stream_printf(stream, ".s");
if (instr->flags & IR3_INSTR_A1EN)
mesa_log_stream_printf(stream, ".a1en");
if (instr->flags & IR3_INSTR_U)
mesa_log_stream_printf(stream, ".u");
if (instr->opc == OPC_LDC)
mesa_log_stream_printf(stream, ".offset%d", instr->cat6.d);
if (instr->opc == OPC_LDC_K)
mesa_log_stream_printf(stream, ".%d", instr->cat6.iim_val);
if (instr->flags & IR3_INSTR_B) {
mesa_log_stream_printf(
stream, ".base%d",
is_tex(instr) ? instr->cat5.tex_base : instr->cat6.base);
}
if (instr->flags & IR3_INSTR_S2EN)
mesa_log_stream_printf(stream, ".s2en");
static const char *cond[0x7] = {
"lt", "le", "gt", "ge", "eq", "ne",
};
switch (instr->opc) {
case OPC_CMPS_F:
case OPC_CMPS_U:
case OPC_CMPS_S:
case OPC_CMPV_F:
case OPC_CMPV_U:
case OPC_CMPV_S:
mesa_log_stream_printf(stream, ".%s",
cond[instr->cat2.condition & 0x7]);
break;
case OPC_BRAC:
mesa_log_stream_printf(stream, ".%u", instr->cat0.idx);
break;
default:
break;
}
}
}
static void
print_ssa_def_name(struct log_stream *stream, struct ir3_register *reg)
{
mesa_log_stream_printf(stream, SYN_SSA("ssa_%u"), reg->instr->serialno);
if (reg->name != 0)
mesa_log_stream_printf(stream, ":%u", reg->name);
}
static void
print_ssa_name(struct log_stream *stream, struct ir3_register *reg, bool dst)
{
if (!dst) {
if (!reg->def)
mesa_log_stream_printf(stream, SYN_SSA("undef"));
else
print_ssa_def_name(stream, reg->def);
} else {
print_ssa_def_name(stream, reg);
}
if (reg->num != INVALID_REG && !(reg->flags & IR3_REG_ARRAY)) {
const char *prefix = "r";
unsigned num = reg_num(reg);
if (reg->flags & IR3_REG_PREDICATE) {
prefix = "p";
num = 0;
}
mesa_log_stream_printf(stream, "(" SYN_REG("%s%u.%c") ")", prefix, num,
"xyzw"[reg_comp(reg)]);
}
}
static void
print_reg_name(struct log_stream *stream, struct ir3_instruction *instr,
struct ir3_register *reg, bool dest)
{
if ((reg->flags & (IR3_REG_FABS | IR3_REG_SABS)) &&
(reg->flags & (IR3_REG_FNEG | IR3_REG_SNEG | IR3_REG_BNOT)))
mesa_log_stream_printf(stream, "(absneg)");
else if (reg->flags & (IR3_REG_FNEG | IR3_REG_SNEG | IR3_REG_BNOT))
mesa_log_stream_printf(stream, "(neg)");
else if (reg->flags & (IR3_REG_FABS | IR3_REG_SABS))
mesa_log_stream_printf(stream, "(abs)");
if (reg->flags & IR3_REG_FIRST_KILL)
mesa_log_stream_printf(stream, "(kill)");
if (reg->flags & IR3_REG_UNUSED)
mesa_log_stream_printf(stream, "(unused)");
if (reg->flags & IR3_REG_R)
mesa_log_stream_printf(stream, "(r)");
if (reg->flags & IR3_REG_EARLY_CLOBBER)
mesa_log_stream_printf(stream, "(early_clobber)");
/* Right now all instructions that use tied registers only have one
* destination register, so we can just print (tied) as if it's a flag,
* although it's more convenient for RA if it's a pointer.
*/
if (reg->tied)
mesa_log_stream_printf(stream, "(tied)");
if (reg->flags & IR3_REG_SHARED)
mesa_log_stream_printf(stream, "s");
if (reg->flags & IR3_REG_HALF)
mesa_log_stream_printf(stream, "h");
if (reg->flags & IR3_REG_PREDICATE)
mesa_log_stream_printf(stream, "p");
if (reg->flags & IR3_REG_IMMED) {
mesa_log_stream_printf(stream, SYN_IMMED("imm[%f,%d,0x%x]"), reg->fim_val,
reg->iim_val, reg->iim_val);
} else if (reg->flags & IR3_REG_ARRAY) {
if (reg->flags & IR3_REG_SSA) {
print_ssa_name(stream, reg, dest);
mesa_log_stream_printf(stream, ":");
}
mesa_log_stream_printf(stream,
SYN_ARRAY("arr[id=%u, offset=%d, size=%u]"),
reg->array.id, reg->array.offset, reg->size);
if (reg->array.base != INVALID_REG)
mesa_log_stream_printf(stream, "(" SYN_REG("r%u.%c") ")",
reg->array.base >> 2,
"xyzw"[reg->array.base & 0x3]);
} else if (reg->flags & IR3_REG_SSA) {
print_ssa_name(stream, reg, dest);
} else if (reg->flags & IR3_REG_RELATIV) {
if (reg->flags & IR3_REG_CONST)
mesa_log_stream_printf(stream, SYN_CONST("c<a0.x + %d>"),
reg->array.offset);
else
mesa_log_stream_printf(stream, SYN_REG("r<a0.x + %d>") " (%u)",
reg->array.offset, reg->size);
} else {
if (reg->flags & IR3_REG_CONST)
mesa_log_stream_printf(stream, SYN_CONST("c%u.%c"), reg_num(reg),
"xyzw"[reg_comp(reg)]);
else if (reg->flags & IR3_REG_PREDICATE)
mesa_log_stream_printf(stream, SYN_REG("p0.%c"),
"xyzw"[reg_comp(reg)]);
else
mesa_log_stream_printf(stream, SYN_REG("r%u.%c"), reg_num(reg),
"xyzw"[reg_comp(reg)]);
}
if (reg->wrmask > 0x1)
mesa_log_stream_printf(stream, " (wrmask=0x%x)", reg->wrmask);
}
static void
tab(struct log_stream *stream, int lvl)
{
for (int i = 0; i < lvl; i++)
mesa_log_stream_printf(stream, "\t");
}
static void
print_instr(struct log_stream *stream, struct ir3_instruction *instr, int lvl)
{
tab(stream, lvl);
print_instr_name(stream, instr, true);
if (is_tex(instr)) {
if (instr->opc == OPC_BRCST_ACTIVE)
mesa_log_stream_printf(stream, ".w%d", instr->cat5.cluster_size);
mesa_log_stream_printf(stream, " (%s)(", type_name(instr->cat5.type));
for (unsigned i = 0; i < 4; i++)
if (instr->dsts[0]->wrmask & (1 << i))
mesa_log_stream_printf(stream, "%c", "xyzw"[i]);
mesa_log_stream_printf(stream, ")");
} else if ((instr->srcs_count > 0 || instr->dsts_count > 0)) {
/* NOTE the b(ranch) instruction has a suffix, which is
* handled below
*/
mesa_log_stream_printf(stream, " ");
}
bool first = true;
foreach_dst (reg, instr) {
if (reg->wrmask == 0)
continue;
if (!first)
mesa_log_stream_printf(stream, ", ");
print_reg_name(stream, instr, reg, true);
first = false;
}
foreach_src_n (reg, n, instr) {
if (!first)
mesa_log_stream_printf(stream, ", ");
print_reg_name(stream, instr, reg, false);
if (instr->opc == OPC_END || instr->opc == OPC_CHMASK)
mesa_log_stream_printf(stream, " (%u)", instr->end.outidxs[n]);
first = false;
}
if (is_tex(instr) && !(instr->flags & IR3_INSTR_S2EN) &&
!is_tex_shuffle(instr)) {
if (!!(instr->flags & IR3_INSTR_B) && !!(instr->flags & IR3_INSTR_A1EN)) {
mesa_log_stream_printf(stream, ", s#%d", instr->cat5.samp);
} else {
mesa_log_stream_printf(stream, ", s#%d, t#%d", instr->cat5.samp,
instr->cat5.tex);
}
}
if (instr->opc == OPC_META_SPLIT) {
mesa_log_stream_printf(stream, ", off=%d", instr->split.off);
} else if (instr->opc == OPC_META_TEX_PREFETCH) {
mesa_log_stream_printf(stream, ", tex=%d, samp=%d, input_offset=%d",
instr->prefetch.tex, instr->prefetch.samp,
instr->prefetch.input_offset);
} else if (instr->opc == OPC_PUSH_CONSTS_LOAD_MACRO) {
mesa_log_stream_printf(
stream, " dst_offset=%d, src_offset = %d, src_size = %d",
instr->push_consts.dst_base, instr->push_consts.src_base,
instr->push_consts.src_size);
}
if (is_flow(instr) && instr->cat0.target) {
mesa_log_stream_printf(stream, " target=block%u",
block_id(instr->cat0.target));
}
if (instr->deps_count) {
mesa_log_stream_printf(stream, ", false-deps:");
unsigned n = 0;
for (unsigned i = 0; i < instr->deps_count; i++) {
if (!instr->deps[i])
continue;
if (n++ > 0)
mesa_log_stream_printf(stream, ", ");
mesa_log_stream_printf(stream, SYN_SSA("ssa_%u"),
instr->deps[i]->serialno);
}
}
mesa_log_stream_printf(stream, "\n");
}
void
ir3_print_instr_stream(struct log_stream *stream, struct ir3_instruction *instr)
{
print_instr(stream, instr, 0);
}
void
ir3_print_instr(struct ir3_instruction *instr)
{
struct log_stream *stream = mesa_log_streami();
print_instr(stream, instr, 0);
mesa_log_stream_destroy(stream);
}
static void
print_block(struct ir3_block *block, int lvl)
{
struct log_stream *stream = mesa_log_streami();
tab(stream, lvl);
mesa_log_stream_printf(stream, "%sblock%u {\n",
block->reconvergence_point ? "(jp)" : "",
block_id(block));
if (block->predecessors_count > 0) {
tab(stream, lvl + 1);
mesa_log_stream_printf(stream, "pred: ");
for (unsigned i = 0; i < block->predecessors_count; i++) {
struct ir3_block *pred = block->predecessors[i];
if (i != 0)
mesa_log_stream_printf(stream, ", ");
mesa_log_stream_printf(stream, "block%u", block_id(pred));
}
mesa_log_stream_printf(stream, "\n");
}
if (block->physical_predecessors_count > 0) {
tab(stream, lvl + 1);
mesa_log_stream_printf(stream, "physical pred: ");
for (unsigned i = 0; i < block->physical_predecessors_count; i++) {
struct ir3_block *pred = block->physical_predecessors[i];
if (i != 0)
mesa_log_stream_printf(stream, ", ");
mesa_log_stream_printf(stream, "block%u", block_id(pred));
}
mesa_log_stream_printf(stream, "\n");
}
foreach_instr (instr, &block->instr_list) {
print_instr(stream, instr, lvl + 1);
}
tab(stream, lvl + 1);
mesa_log_stream_printf(stream, "/* keeps:\n");
for (unsigned i = 0; i < block->keeps_count; i++) {
print_instr(stream, block->keeps[i], lvl + 2);
}
tab(stream, lvl + 1);
mesa_log_stream_printf(stream, " */\n");
if (block->successors[0]) {
tab(stream, lvl + 1);
mesa_log_stream_printf(stream, "/* succs: block%u",
block_id(block->successors[0]));
if (block->successors[1]) {
mesa_log_stream_printf(stream, ", block%u",
block_id(block->successors[1]));
}
mesa_log_stream_printf(stream, " */\n");
}
if (block->physical_successors_count > 0) {
tab(stream, lvl + 1);
mesa_log_stream_printf(stream, "/* physical succs: ");
for (unsigned i = 0; i < block->physical_successors_count; i++) {
mesa_log_stream_printf(stream, "block%u",
block_id(block->physical_successors[i]));
if (i < block->physical_successors_count - 1)
mesa_log_stream_printf(stream, ", ");
}
mesa_log_stream_printf(stream, " */\n");
}
tab(stream, lvl);
mesa_log_stream_printf(stream, "}\n");
}
void
ir3_print(struct ir3 *ir)
{
foreach_block (block, &ir->block_list)
print_block(block, 0);
}
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