mesa/src/amd/compiler/aco_builder_h.py

609 lines
21 KiB
Python

template = """\
/*
* Copyright (c) 2019 Valve Corporation
*
* 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.
*
* This file was generated by aco_builder_h.py
*/
#ifndef _ACO_BUILDER_
#define _ACO_BUILDER_
#include "aco_ir.h"
namespace aco {
enum dpp_ctrl {
_dpp_quad_perm = 0x000,
_dpp_row_sl = 0x100,
_dpp_row_sr = 0x110,
_dpp_row_rr = 0x120,
dpp_wf_sl1 = 0x130,
dpp_wf_rl1 = 0x134,
dpp_wf_sr1 = 0x138,
dpp_wf_rr1 = 0x13C,
dpp_row_mirror = 0x140,
dpp_row_half_mirror = 0x141,
dpp_row_bcast15 = 0x142,
dpp_row_bcast31 = 0x143
};
inline dpp_ctrl
dpp_quad_perm(unsigned lane0, unsigned lane1, unsigned lane2, unsigned lane3)
{
assert(lane0 < 4 && lane1 < 4 && lane2 < 4 && lane3 < 4);
return (dpp_ctrl)(lane0 | (lane1 << 2) | (lane2 << 4) | (lane3 << 6));
}
inline dpp_ctrl
dpp_row_sl(unsigned amount)
{
assert(amount > 0 && amount < 16);
return (dpp_ctrl)(((unsigned) _dpp_row_sl) | amount);
}
inline dpp_ctrl
dpp_row_sr(unsigned amount)
{
assert(amount > 0 && amount < 16);
return (dpp_ctrl)(((unsigned) _dpp_row_sr) | amount);
}
inline dpp_ctrl
dpp_row_rr(unsigned amount)
{
assert(amount > 0 && amount < 16);
return (dpp_ctrl)(((unsigned) _dpp_row_rr) | amount);
}
inline unsigned
ds_pattern_bitmode(unsigned and_mask, unsigned or_mask, unsigned xor_mask)
{
assert(and_mask < 32 && or_mask < 32 && xor_mask < 32);
return and_mask | (or_mask << 5) | (xor_mask << 10);
}
aco_ptr<Instruction> create_s_mov(Definition dst, Operand src);
enum sendmsg {
sendmsg_none = 0,
_sendmsg_gs = 2,
_sendmsg_gs_done = 3,
sendmsg_save_wave = 4,
sendmsg_stall_wave_gen = 5,
sendmsg_halt_waves = 6,
sendmsg_ordered_ps_done = 7,
sendmsg_early_prim_dealloc = 8,
sendmsg_gs_alloc_req = 9,
sendmsg_id_mask = 0xf,
};
inline sendmsg
sendmsg_gs(bool cut, bool emit, unsigned stream)
{
assert(stream < 4);
return (sendmsg)((unsigned)_sendmsg_gs | (cut << 4) | (emit << 5) | (stream << 8));
}
inline sendmsg
sendmsg_gs_done(bool cut, bool emit, unsigned stream)
{
assert(stream < 4);
return (sendmsg)((unsigned)_sendmsg_gs_done | (cut << 4) | (emit << 5) | (stream << 8));
}
enum bperm_swiz {
bperm_b1_sign = 8,
bperm_b3_sign = 9,
bperm_b5_sign = 10,
bperm_b7_sign = 11,
bperm_0 = 12,
bperm_255 = 13,
};
class Builder {
public:
struct Result {
Instruction *instr;
Result(Instruction *instr_) : instr(instr_) {}
operator Instruction *() const {
return instr;
}
operator Temp() const {
return instr->definitions[0].getTemp();
}
operator Operand() const {
return Operand((Temp)*this);
}
Definition& def(unsigned index) const {
return instr->definitions[index];
}
aco_ptr<Instruction> get_ptr() const {
return aco_ptr<Instruction>(instr);
}
};
struct Op {
Operand op;
Op(Temp tmp) : op(tmp) {}
Op(Operand op_) : op(op_) {}
Op(Result res) : op((Temp)res) {}
};
enum WaveSpecificOpcode {
s_cselect = (unsigned) aco_opcode::s_cselect_b64,
s_cmp_lg = (unsigned) aco_opcode::s_cmp_lg_u64,
s_and = (unsigned) aco_opcode::s_and_b64,
s_andn2 = (unsigned) aco_opcode::s_andn2_b64,
s_or = (unsigned) aco_opcode::s_or_b64,
s_orn2 = (unsigned) aco_opcode::s_orn2_b64,
s_not = (unsigned) aco_opcode::s_not_b64,
s_mov = (unsigned) aco_opcode::s_mov_b64,
s_wqm = (unsigned) aco_opcode::s_wqm_b64,
s_and_saveexec = (unsigned) aco_opcode::s_and_saveexec_b64,
s_or_saveexec = (unsigned) aco_opcode::s_or_saveexec_b64,
s_xnor = (unsigned) aco_opcode::s_xnor_b64,
s_xor = (unsigned) aco_opcode::s_xor_b64,
s_bcnt1_i32 = (unsigned) aco_opcode::s_bcnt1_i32_b64,
s_bitcmp1 = (unsigned) aco_opcode::s_bitcmp1_b64,
s_ff1_i32 = (unsigned) aco_opcode::s_ff1_i32_b64,
s_flbit_i32 = (unsigned) aco_opcode::s_flbit_i32_b64,
s_lshl = (unsigned) aco_opcode::s_lshl_b64,
};
Program *program;
bool use_iterator;
bool start; // only when use_iterator == false
RegClass lm;
std::vector<aco_ptr<Instruction>> *instructions;
std::vector<aco_ptr<Instruction>>::iterator it;
bool is_precise = false;
bool is_nuw = false;
Builder(Program *pgm) : program(pgm), use_iterator(false), start(false), lm(pgm ? pgm->lane_mask : s2), instructions(NULL) {}
Builder(Program *pgm, Block *block) : program(pgm), use_iterator(false), start(false), lm(pgm ? pgm->lane_mask : s2), instructions(&block->instructions) {}
Builder(Program *pgm, std::vector<aco_ptr<Instruction>> *instrs) : program(pgm), use_iterator(false), start(false), lm(pgm ? pgm->lane_mask : s2), instructions(instrs) {}
Builder precise() const {
Builder res = *this;
res.is_precise = true;
return res;
};
Builder nuw() const {
Builder res = *this;
res.is_nuw = true;
return res;
}
void moveEnd(Block *block) {
instructions = &block->instructions;
}
void reset() {
use_iterator = false;
start = false;
instructions = NULL;
}
void reset(Block *block) {
use_iterator = false;
start = false;
instructions = &block->instructions;
}
void reset(std::vector<aco_ptr<Instruction>> *instrs) {
use_iterator = false;
start = false;
instructions = instrs;
}
void reset(std::vector<aco_ptr<Instruction>> *instrs, std::vector<aco_ptr<Instruction>>::iterator instr_it) {
use_iterator = true;
start = false;
instructions = instrs;
it = instr_it;
}
Result insert(aco_ptr<Instruction> instr) {
Instruction *instr_ptr = instr.get();
if (instructions) {
if (use_iterator) {
it = instructions->emplace(it, std::move(instr));
it = std::next(it);
} else if (!start) {
instructions->emplace_back(std::move(instr));
} else {
instructions->emplace(instructions->begin(), std::move(instr));
}
}
return Result(instr_ptr);
}
Result insert(Instruction* instr) {
if (instructions) {
if (use_iterator) {
it = instructions->emplace(it, aco_ptr<Instruction>(instr));
it = std::next(it);
} else if (!start) {
instructions->emplace_back(aco_ptr<Instruction>(instr));
} else {
instructions->emplace(instructions->begin(), aco_ptr<Instruction>(instr));
}
}
return Result(instr);
}
Temp tmp(RegClass rc) {
return program->allocateTmp(rc);
}
Temp tmp(RegType type, unsigned size) {
return tmp(RegClass(type, size));
}
Definition def(RegClass rc) {
return Definition(program->allocateTmp(rc));
}
Definition def(RegType type, unsigned size) {
return def(RegClass(type, size));
}
Definition def(RegClass rc, PhysReg reg) {
return Definition(program->allocateId(rc), reg, rc);
}
inline aco_opcode w64or32(WaveSpecificOpcode opcode) const {
if (program->wave_size == 64)
return (aco_opcode) opcode;
switch (opcode) {
case s_cselect:
return aco_opcode::s_cselect_b32;
case s_cmp_lg:
return aco_opcode::s_cmp_lg_u32;
case s_and:
return aco_opcode::s_and_b32;
case s_andn2:
return aco_opcode::s_andn2_b32;
case s_or:
return aco_opcode::s_or_b32;
case s_orn2:
return aco_opcode::s_orn2_b32;
case s_not:
return aco_opcode::s_not_b32;
case s_mov:
return aco_opcode::s_mov_b32;
case s_wqm:
return aco_opcode::s_wqm_b32;
case s_and_saveexec:
return aco_opcode::s_and_saveexec_b32;
case s_or_saveexec:
return aco_opcode::s_or_saveexec_b32;
case s_xnor:
return aco_opcode::s_xnor_b32;
case s_xor:
return aco_opcode::s_xor_b32;
case s_bcnt1_i32:
return aco_opcode::s_bcnt1_i32_b32;
case s_bitcmp1:
return aco_opcode::s_bitcmp1_b32;
case s_ff1_i32:
return aco_opcode::s_ff1_i32_b32;
case s_flbit_i32:
return aco_opcode::s_flbit_i32_b32;
case s_lshl:
return aco_opcode::s_lshl_b32;
default:
unreachable("Unsupported wave specific opcode.");
}
}
% for fixed in ['m0', 'vcc', 'exec', 'scc']:
Operand ${fixed}(Temp tmp) {
% if fixed == 'vcc' or fixed == 'exec':
//vcc_hi and exec_hi can still be used in wave32
assert(tmp.type() == RegType::sgpr && tmp.bytes() <= 8);
% endif
Operand op(tmp);
op.setFixed(aco::${fixed});
return op;
}
Definition ${fixed}(Definition def) {
% if fixed == 'vcc' or fixed == 'exec':
//vcc_hi and exec_hi can still be used in wave32
assert(def.regClass().type() == RegType::sgpr && def.bytes() <= 8);
% endif
def.setFixed(aco::${fixed});
return def;
}
% endfor
Operand set16bit(Operand op) {
op.set16bit(true);
return op;
}
Operand set24bit(Operand op) {
op.set24bit(true);
return op;
}
/* hand-written helpers */
Temp as_uniform(Op op)
{
assert(op.op.isTemp());
if (op.op.getTemp().type() == RegType::vgpr)
return pseudo(aco_opcode::p_as_uniform, def(RegType::sgpr, op.op.size()), op);
else
return op.op.getTemp();
}
Result v_mul_imm(Definition dst, Temp tmp, uint32_t imm, bool bits24=false)
{
assert(tmp.type() == RegType::vgpr);
bool has_lshl_add = program->gfx_level >= GFX9;
/* v_mul_lo_u32 has 1.6x the latency of most VALU on GFX10 (8 vs 5 cycles),
* compared to 4x the latency on <GFX10. */
unsigned mul_cost = program->gfx_level >= GFX10 ? 1 : (4 + Operand::c32(imm).isLiteral());
if (imm == 0) {
return copy(dst, Operand::zero());
} else if (imm == 1) {
return copy(dst, Operand(tmp));
} else if (util_is_power_of_two_or_zero(imm)) {
return vop2(aco_opcode::v_lshlrev_b32, dst, Operand::c32(ffs(imm) - 1u), tmp);
} else if (bits24) {
return vop2(aco_opcode::v_mul_u32_u24, dst, Operand::c32(imm), tmp);
} else if (util_is_power_of_two_nonzero(imm - 1u)) {
return vadd32(dst, vop2(aco_opcode::v_lshlrev_b32, def(v1), Operand::c32(ffs(imm - 1u) - 1u), tmp), tmp);
} else if (mul_cost > 2 && util_is_power_of_two_nonzero(imm + 1u)) {
return vsub32(dst, vop2(aco_opcode::v_lshlrev_b32, def(v1), Operand::c32(ffs(imm + 1u) - 1u), tmp), tmp);
}
unsigned instrs_required = util_bitcount(imm);
if (!has_lshl_add) {
instrs_required = util_bitcount(imm) - (imm & 0x1); /* shifts */
instrs_required += util_bitcount(imm) - 1; /* additions */
}
if (instrs_required < mul_cost) {
Result res(NULL);
Temp cur;
while (imm) {
unsigned shift = u_bit_scan(&imm);
Definition tmp_dst = imm ? def(v1) : dst;
if (shift && cur.id())
res = vadd32(Definition(tmp_dst), vop2(aco_opcode::v_lshlrev_b32, def(v1), Operand::c32(shift), tmp), cur);
else if (shift)
res = vop2(aco_opcode::v_lshlrev_b32, Definition(tmp_dst), Operand::c32(shift), tmp);
else if (cur.id())
res = vadd32(Definition(tmp_dst), tmp, cur);
else
tmp_dst = Definition(tmp);
cur = tmp_dst.getTemp();
}
return res;
}
Temp imm_tmp = copy(def(s1), Operand::c32(imm));
return vop3(aco_opcode::v_mul_lo_u32, dst, imm_tmp, tmp);
}
Result v_mul24_imm(Definition dst, Temp tmp, uint32_t imm)
{
return v_mul_imm(dst, tmp, imm, true);
}
Result copy(Definition dst, Op op) {
return pseudo(aco_opcode::p_parallelcopy, dst, op);
}
Result vadd32(Definition dst, Op a, Op b, bool carry_out=false, Op carry_in=Op(Operand(s2)), bool post_ra=false) {
if (b.op.isConstant() || b.op.regClass().type() != RegType::vgpr)
std::swap(a, b);
if (!post_ra && (!b.op.hasRegClass() || b.op.regClass().type() == RegType::sgpr))
b = copy(def(v1), b);
if (!carry_in.op.isUndefined())
return vop2(aco_opcode::v_addc_co_u32, Definition(dst), def(lm), a, b, carry_in);
else if (program->gfx_level >= GFX10 && carry_out)
return vop3(aco_opcode::v_add_co_u32_e64, Definition(dst), def(lm), a, b);
else if (program->gfx_level < GFX9 || carry_out)
return vop2(aco_opcode::v_add_co_u32, Definition(dst), def(lm), a, b);
else
return vop2(aco_opcode::v_add_u32, Definition(dst), a, b);
}
Result vsub32(Definition dst, Op a, Op b, bool carry_out=false, Op borrow=Op(Operand(s2)))
{
if (!borrow.op.isUndefined() || program->gfx_level < GFX9)
carry_out = true;
bool reverse = !b.op.isTemp() || b.op.regClass().type() != RegType::vgpr;
if (reverse)
std::swap(a, b);
if (!b.op.hasRegClass() || b.op.regClass().type() == RegType::sgpr)
b = copy(def(v1), b);
aco_opcode op;
Temp carry;
if (carry_out) {
carry = tmp(s2);
if (borrow.op.isUndefined())
op = reverse ? aco_opcode::v_subrev_co_u32 : aco_opcode::v_sub_co_u32;
else
op = reverse ? aco_opcode::v_subbrev_co_u32 : aco_opcode::v_subb_co_u32;
} else {
op = reverse ? aco_opcode::v_subrev_u32 : aco_opcode::v_sub_u32;
}
bool vop3 = false;
if (program->gfx_level >= GFX10 && op == aco_opcode::v_subrev_co_u32) {
vop3 = true;
op = aco_opcode::v_subrev_co_u32_e64;
} else if (program->gfx_level >= GFX10 && op == aco_opcode::v_sub_co_u32) {
vop3 = true;
op = aco_opcode::v_sub_co_u32_e64;
}
int num_ops = borrow.op.isUndefined() ? 2 : 3;
int num_defs = carry_out ? 2 : 1;
aco_ptr<Instruction> sub;
if (vop3)
sub.reset(create_instruction<VOP3_instruction>(op, Format::VOP3, num_ops, num_defs));
else
sub.reset(create_instruction<VOP2_instruction>(op, Format::VOP2, num_ops, num_defs));
sub->operands[0] = a.op;
sub->operands[1] = b.op;
if (!borrow.op.isUndefined())
sub->operands[2] = borrow.op;
sub->definitions[0] = dst;
if (carry_out)
sub->definitions[1] = Definition(carry);
return insert(std::move(sub));
}
Result readlane(Definition dst, Op vsrc, Op lane)
{
if (program->gfx_level >= GFX8)
return vop3(aco_opcode::v_readlane_b32_e64, dst, vsrc, lane);
else
return vop2(aco_opcode::v_readlane_b32, dst, vsrc, lane);
}
Result writelane(Definition dst, Op val, Op lane, Op vsrc) {
if (program->gfx_level >= GFX8)
return vop3(aco_opcode::v_writelane_b32_e64, dst, val, lane, vsrc);
else
return vop2(aco_opcode::v_writelane_b32, dst, val, lane, vsrc);
}
<%
import itertools
formats = [("pseudo", [Format.PSEUDO], 'Pseudo_instruction', list(itertools.product(range(5), range(6))) + [(8, 1), (1, 8)]),
("sop1", [Format.SOP1], 'SOP1_instruction', [(0, 1), (1, 0), (1, 1), (2, 1), (3, 2)]),
("sop2", [Format.SOP2], 'SOP2_instruction', itertools.product([1, 2], [2, 3])),
("sopk", [Format.SOPK], 'SOPK_instruction', itertools.product([0, 1, 2], [0, 1])),
("sopp", [Format.SOPP], 'SOPP_instruction', itertools.product([0, 1], [0, 1])),
("sopc", [Format.SOPC], 'SOPC_instruction', [(1, 2)]),
("smem", [Format.SMEM], 'SMEM_instruction', [(0, 4), (0, 3), (1, 0), (1, 3), (1, 2), (0, 0)]),
("ds", [Format.DS], 'DS_instruction', [(1, 1), (1, 2), (0, 3), (0, 4)]),
("mubuf", [Format.MUBUF], 'MUBUF_instruction', [(0, 4), (1, 3)]),
("mtbuf", [Format.MTBUF], 'MTBUF_instruction', [(0, 4), (1, 3)]),
("mimg", [Format.MIMG], 'MIMG_instruction', itertools.product([0, 1], [3, 4, 5, 6, 7])),
("exp", [Format.EXP], 'Export_instruction', [(0, 4)]),
("branch", [Format.PSEUDO_BRANCH], 'Pseudo_branch_instruction', itertools.product([1], [0, 1])),
("barrier", [Format.PSEUDO_BARRIER], 'Pseudo_barrier_instruction', [(0, 0)]),
("reduction", [Format.PSEUDO_REDUCTION], 'Pseudo_reduction_instruction', [(3, 2)]),
("vop1", [Format.VOP1], 'VOP1_instruction', [(0, 0), (1, 1), (2, 2)]),
("vop1_sdwa", [Format.VOP1, Format.SDWA], 'SDWA_instruction', [(1, 1)]),
("vop2", [Format.VOP2], 'VOP2_instruction', itertools.product([1, 2], [2, 3])),
("vop2_sdwa", [Format.VOP2, Format.SDWA], 'SDWA_instruction', itertools.product([1, 2], [2, 3])),
("vopc", [Format.VOPC], 'VOPC_instruction', itertools.product([1, 2], [2])),
("vopc_sdwa", [Format.VOPC, Format.SDWA], 'SDWA_instruction', itertools.product([1, 2], [2])),
("vop3", [Format.VOP3], 'VOP3_instruction', [(1, 3), (1, 2), (1, 1), (2, 2)]),
("vop3p", [Format.VOP3P], 'VOP3P_instruction', [(1, 2), (1, 3)]),
("vintrp", [Format.VINTRP], 'Interp_instruction', [(1, 2), (1, 3)]),
("vop1_dpp", [Format.VOP1, Format.DPP16], 'DPP16_instruction', [(1, 1)]),
("vop2_dpp", [Format.VOP2, Format.DPP16], 'DPP16_instruction', itertools.product([1, 2], [2, 3])),
("vopc_dpp", [Format.VOPC, Format.DPP16], 'DPP16_instruction', itertools.product([1, 2], [2])),
("vop1_dpp8", [Format.VOP1, Format.DPP8], 'DPP8_instruction', [(1, 1)]),
("vop2_dpp8", [Format.VOP2, Format.DPP8], 'DPP8_instruction', itertools.product([1, 2], [2, 3])),
("vopc_dpp8", [Format.VOPC, Format.DPP8], 'DPP8_instruction', itertools.product([1, 2], [2])),
("vop1_e64", [Format.VOP1, Format.VOP3], 'VOP3_instruction', itertools.product([1], [1])),
("vop2_e64", [Format.VOP2, Format.VOP3], 'VOP3_instruction', itertools.product([1, 2], [2, 3])),
("vopc_e64", [Format.VOPC, Format.VOP3], 'VOP3_instruction', itertools.product([1, 2], [2])),
("flat", [Format.FLAT], 'FLAT_instruction', [(0, 3), (1, 2)]),
("global", [Format.GLOBAL], 'FLAT_instruction', [(0, 3), (1, 2)]),
("scratch", [Format.SCRATCH], 'FLAT_instruction', [(0, 3), (1, 2)])]
formats = [(f if len(f) == 5 else f + ('',)) for f in formats]
%>\\
% for name, formats, struct, shapes, extra_field_setup in formats:
% for num_definitions, num_operands in shapes:
<%
args = ['aco_opcode opcode']
for i in range(num_definitions):
args.append('Definition def%d' % i)
for i in range(num_operands):
args.append('Op op%d' % i)
for f in formats:
args += f.get_builder_field_decls()
%>\\
Result ${name}(${', '.join(args)})
{
${struct} *instr = create_instruction<${struct}>(opcode, (Format)(${'|'.join('(int)Format::%s' % f.name for f in formats)}), ${num_operands}, ${num_definitions});
% for i in range(num_definitions):
instr->definitions[${i}] = def${i};
instr->definitions[${i}].setPrecise(is_precise);
instr->definitions[${i}].setNUW(is_nuw);
% endfor
% for i in range(num_operands):
instr->operands[${i}] = op${i}.op;
% endfor
% for f in formats:
% for dest, field_name in zip(f.get_builder_field_dests(), f.get_builder_field_names()):
instr->${dest} = ${field_name};
% endfor
${f.get_builder_initialization(num_operands)}
% endfor
${extra_field_setup}
return insert(instr);
}
% if name == 'sop1' or name == 'sop2' or name == 'sopc':
<%
args[0] = 'WaveSpecificOpcode opcode'
params = []
for i in range(num_definitions):
params.append('def%d' % i)
for i in range(num_operands):
params.append('op%d' % i)
%>\\
inline Result ${name}(${', '.join(args)})
{
return ${name}(w64or32(opcode), ${', '.join(params)});
}
% endif
% endfor
% endfor
};
} // namespace aco
#endif /* _ACO_BUILDER_ */"""
from aco_opcodes import opcodes, Format
from mako.template import Template
print(Template(template).render(opcodes=opcodes, Format=Format))