mesa/src/amd/compiler/tests/test_assembler.cpp

311 lines
11 KiB
C++

/*
* Copyright © 2020 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.
*
*/
#include "helpers.h"
using namespace aco;
BEGIN_TEST(assembler.s_memtime)
for (unsigned i = GFX6; i <= GFX10; i++) {
if (!setup_cs(NULL, (amd_gfx_level)i))
continue;
//~gfx[6-7]>> c7800000
//~gfx[6-7]! bf810000
//~gfx[8-9]>> s_memtime s[0:1] ; c0900000 00000000
//~gfx10>> s_memtime s[0:1] ; f4900000 fa000000
bld.smem(aco_opcode::s_memtime, bld.def(s2)).def(0).setFixed(PhysReg{0});
finish_assembler_test();
}
END_TEST
BEGIN_TEST(assembler.branch_3f)
if (!setup_cs(NULL, (amd_gfx_level)GFX10))
return;
//! BB0:
//! s_branch BB1 ; bf820040
//! s_nop 0 ; bf800000
bld.sopp(aco_opcode::s_branch, Definition(PhysReg(0), s2), 1);
for (unsigned i = 0; i < 0x3f; i++)
bld.vop1(aco_opcode::v_nop);
bld.reset(program->create_and_insert_block());
program->blocks[1].linear_preds.push_back(0u);
finish_assembler_test();
END_TEST
BEGIN_TEST(assembler.long_jump.unconditional_forwards)
if (!setup_cs(NULL, (amd_gfx_level)GFX10))
return;
//!BB0:
//! s_getpc_b64 s[0:1] ; be801f00
//! s_addc_u32 s0, s0, 0x20014 ; 8200ff00 00020014
//! s_bitcmp1_b32 s0, 0 ; bf0d8000
//! s_bitset0_b32 s0, 0 ; be801b80
//! s_setpc_b64 s[0:1] ; be802000
bld.sopp(aco_opcode::s_branch, Definition(PhysReg(0), s2), 2);
bld.reset(program->create_and_insert_block());
//! s_nop 0 ; bf800000
//!(then repeated 32767 times)
for (unsigned i = 0; i < INT16_MAX + 1; i++)
bld.sopp(aco_opcode::s_nop, -1, 0);
//! BB2:
//! s_endpgm ; bf810000
bld.reset(program->create_and_insert_block());
program->blocks[2].linear_preds.push_back(0u);
program->blocks[2].linear_preds.push_back(1u);
finish_assembler_test();
END_TEST
BEGIN_TEST(assembler.long_jump.conditional_forwards)
if (!setup_cs(NULL, (amd_gfx_level)GFX10))
return;
//! BB0:
//! s_cbranch_scc1 BB1 ; bf850006
//! s_getpc_b64 s[0:1] ; be801f00
//! s_addc_u32 s0, s0, 0x20014 ; 8200ff00 00020014
//! s_bitcmp1_b32 s0, 0 ; bf0d8000
//! s_bitset0_b32 s0, 0 ; be801b80
//! s_setpc_b64 s[0:1] ; be802000
bld.sopp(aco_opcode::s_cbranch_scc0, Definition(PhysReg(0), s2), 2);
bld.reset(program->create_and_insert_block());
//! BB1:
//! s_nop 0 ; bf800000
//!(then repeated 32767 times)
for (unsigned i = 0; i < INT16_MAX + 1; i++)
bld.sopp(aco_opcode::s_nop, -1, 0);
//! BB2:
//! s_endpgm ; bf810000
bld.reset(program->create_and_insert_block());
program->blocks[1].linear_preds.push_back(0u);
program->blocks[2].linear_preds.push_back(0u);
program->blocks[2].linear_preds.push_back(1u);
finish_assembler_test();
END_TEST
BEGIN_TEST(assembler.long_jump.unconditional_backwards)
if (!setup_cs(NULL, (amd_gfx_level)GFX10))
return;
//!BB0:
//! s_nop 0 ; bf800000
//!(then repeated 32767 times)
for (unsigned i = 0; i < INT16_MAX + 1; i++)
bld.sopp(aco_opcode::s_nop, -1, 0);
//! s_getpc_b64 s[0:1] ; be801f00
//! s_addc_u32 s0, s0, 0xfffdfffc ; 8200ff00 fffdfffc
//! s_bitcmp1_b32 s0, 0 ; bf0d8000
//! s_bitset0_b32 s0, 0 ; be801b80
//! s_setpc_b64 s[0:1] ; be802000
bld.sopp(aco_opcode::s_branch, Definition(PhysReg(0), s2), 0);
//! BB1:
//! s_endpgm ; bf810000
bld.reset(program->create_and_insert_block());
program->blocks[0].linear_preds.push_back(0u);
program->blocks[1].linear_preds.push_back(0u);
finish_assembler_test();
END_TEST
BEGIN_TEST(assembler.long_jump.conditional_backwards)
if (!setup_cs(NULL, (amd_gfx_level)GFX10))
return;
//!BB0:
//! s_nop 0 ; bf800000
//!(then repeated 32767 times)
for (unsigned i = 0; i < INT16_MAX + 1; i++)
bld.sopp(aco_opcode::s_nop, -1, 0);
//! s_cbranch_execz BB1 ; bf880006
//! s_getpc_b64 s[0:1] ; be801f00
//! s_addc_u32 s0, s0, 0xfffdfff8 ; 8200ff00 fffdfff8
//! s_bitcmp1_b32 s0, 0 ; bf0d8000
//! s_bitset0_b32 s0, 0 ; be801b80
//! s_setpc_b64 s[0:1] ; be802000
bld.sopp(aco_opcode::s_cbranch_execnz, Definition(PhysReg(0), s2), 0);
//! BB1:
//! s_endpgm ; bf810000
bld.reset(program->create_and_insert_block());
program->blocks[0].linear_preds.push_back(0u);
program->blocks[1].linear_preds.push_back(0u);
finish_assembler_test();
END_TEST
BEGIN_TEST(assembler.long_jump.3f)
if (!setup_cs(NULL, (amd_gfx_level)GFX10))
return;
//! BB0:
//! s_branch BB1 ; bf820040
//! s_nop 0 ; bf800000
bld.sopp(aco_opcode::s_branch, Definition(PhysReg(0), s2), 1);
for (unsigned i = 0; i < 0x3f - 6; i++) // a unconditional long jump is 6 dwords
bld.vop1(aco_opcode::v_nop);
bld.sopp(aco_opcode::s_branch, Definition(PhysReg(0), s2), 2);
bld.reset(program->create_and_insert_block());
for (unsigned i = 0; i < INT16_MAX + 1; i++)
bld.vop1(aco_opcode::v_nop);
bld.reset(program->create_and_insert_block());
program->blocks[1].linear_preds.push_back(0u);
program->blocks[2].linear_preds.push_back(0u);
program->blocks[2].linear_preds.push_back(1u);
finish_assembler_test();
END_TEST
BEGIN_TEST(assembler.long_jump.constaddr)
if (!setup_cs(NULL, (amd_gfx_level)GFX10))
return;
//>> s_getpc_b64 s[0:1] ; be801f00
bld.sopp(aco_opcode::s_branch, Definition(PhysReg(0), s2), 2);
bld.reset(program->create_and_insert_block());
for (unsigned i = 0; i < INT16_MAX + 1; i++)
bld.sopp(aco_opcode::s_nop, -1, 0);
bld.reset(program->create_and_insert_block());
//>> s_getpc_b64 s[0:1] ; be801f00
//! s_add_u32 s0, s0, 0xe4 ; 8000ff00 000000e4
bld.sop1(aco_opcode::p_constaddr_getpc, Definition(PhysReg(0), s2), Operand::zero());
bld.sop2(aco_opcode::p_constaddr_addlo, Definition(PhysReg(0), s1), bld.def(s1, scc),
Operand(PhysReg(0), s1), Operand::zero(), Operand::zero());
program->blocks[2].linear_preds.push_back(0u);
program->blocks[2].linear_preds.push_back(1u);
finish_assembler_test();
END_TEST
BEGIN_TEST(assembler.v_add3)
for (unsigned i = GFX9; i <= GFX10; i++) {
if (!setup_cs(NULL, (amd_gfx_level)i))
continue;
//~gfx9>> v_add3_u32 v0, 0, 0, 0 ; d1ff0000 02010080
//~gfx10>> v_add3_u32 v0, 0, 0, 0 ; d76d0000 02010080
aco_ptr<VOP3_instruction> add3{create_instruction<VOP3_instruction>(aco_opcode::v_add3_u32, Format::VOP3, 3, 1)};
add3->operands[0] = Operand::zero();
add3->operands[1] = Operand::zero();
add3->operands[2] = Operand::zero();
add3->definitions[0] = Definition(PhysReg(0), v1);
bld.insert(std::move(add3));
finish_assembler_test();
}
END_TEST
BEGIN_TEST(assembler.v_add3_clamp)
for (unsigned i = GFX9; i <= GFX10; i++) {
if (!setup_cs(NULL, (amd_gfx_level)i))
continue;
//~gfx9>> integer addition + clamp ; d1ff8000 02010080
//~gfx10>> integer addition + clamp ; d76d8000 02010080
aco_ptr<VOP3_instruction> add3{create_instruction<VOP3_instruction>(aco_opcode::v_add3_u32, Format::VOP3, 3, 1)};
add3->operands[0] = Operand::zero();
add3->operands[1] = Operand::zero();
add3->operands[2] = Operand::zero();
add3->definitions[0] = Definition(PhysReg(0), v1);
add3->clamp = 1;
bld.insert(std::move(add3));
finish_assembler_test();
}
END_TEST
BEGIN_TEST(assembler.smem_offset)
for (unsigned i = GFX9; i <= GFX10; i++) {
if (!setup_cs(NULL, (amd_gfx_level)i))
continue;
Definition dst(PhysReg(7), s1);
Operand sbase(PhysReg(6), s2);
Operand offset(PhysReg(5), s1);
//~gfx9>> s_load_dword s7, s[6:7], s5 ; c00001c3 00000005
//~gfx10>> s_load_dword s7, s[6:7], s5 ; f40001c3 0a000000
bld.smem(aco_opcode::s_load_dword, dst, sbase, offset);
//~gfx9! s_load_dword s7, s[6:7], 0x42 ; c00201c3 00000042
//~gfx10! s_load_dword s7, s[6:7], 0x42 ; f40001c3 fa000042
bld.smem(aco_opcode::s_load_dword, dst, sbase, Operand::c32(0x42));
if (i >= GFX9) {
//~gfx9! s_load_dword s7, s[6:7], s5 offset:0x42 ; c00241c3 0a000042
//~gfx10! s_load_dword s7, s[6:7], s5 offset:0x42 ; f40001c3 0a000042
bld.smem(aco_opcode::s_load_dword, dst, sbase, Operand::c32(0x42), offset);
}
finish_assembler_test();
}
END_TEST
BEGIN_TEST(assembler.p_constaddr)
if (!setup_cs(NULL, GFX9))
return;
Definition dst0 = bld.def(s2);
Definition dst1 = bld.def(s2);
dst0.setFixed(PhysReg(0));
dst1.setFixed(PhysReg(2));
//>> s_getpc_b64 s[0:1] ; be801c00
//! s_add_u32 s0, s0, 24 ; 8000ff00 00000018
bld.pseudo(aco_opcode::p_constaddr, dst0, Operand::zero());
//! s_getpc_b64 s[2:3] ; be821c00
//! s_add_u32 s2, s2, 44 ; 8002ff02 0000002c
bld.pseudo(aco_opcode::p_constaddr, dst1, Operand::c32(32));
aco::lower_to_hw_instr(program.get());
finish_assembler_test();
END_TEST