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Extract EmitNumericLiteral from disassembler

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Test with disassembly of numeric literals.
This commit is contained in:
David Neto 2016-10-13 15:17:11 -04:00
parent d0620061c7
commit 4f750c0dcc
5 changed files with 145 additions and 42 deletions
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2
source/CMakeLists.txt
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@ -126,6 +126,7 @@ set(SPIRV_SOURCES
${CMAKE_CURRENT_SOURCE_DIR}/name_mapper.h
${CMAKE_CURRENT_SOURCE_DIR}/opcode.h
${CMAKE_CURRENT_SOURCE_DIR}/operand.h
${CMAKE_CURRENT_SOURCE_DIR}/parsed_operand.h
${CMAKE_CURRENT_SOURCE_DIR}/print.h
${CMAKE_CURRENT_SOURCE_DIR}/spirv_constant.h
${CMAKE_CURRENT_SOURCE_DIR}/spirv_definition.h
@ -147,6 +148,7 @@ set(SPIRV_SOURCES
${CMAKE_CURRENT_SOURCE_DIR}/name_mapper.cpp
${CMAKE_CURRENT_SOURCE_DIR}/opcode.cpp
${CMAKE_CURRENT_SOURCE_DIR}/operand.cpp
${CMAKE_CURRENT_SOURCE_DIR}/parsed_operand.cpp
${CMAKE_CURRENT_SOURCE_DIR}/print.cpp
${CMAKE_CURRENT_SOURCE_DIR}/software_version.cpp
${CMAKE_CURRENT_SOURCE_DIR}/spirv_endian.cpp

45
source/disassemble.cpp
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@ -28,6 +28,7 @@
#include "ext_inst.h"
#include "name_mapper.h"
#include "opcode.h"
#include "parsed_operand.h"
#include "print.h"
#include "spirv-tools/libspirv.h"
#include "spirv_constant.h"
@ -229,48 +230,8 @@ void Disassembler::EmitOperand(const spv_parsed_instruction_t& inst,
case SPV_OPERAND_TYPE_LITERAL_INTEGER:
case SPV_OPERAND_TYPE_TYPED_LITERAL_NUMBER: {
SetRed();
if (operand.num_words == 1) {
switch (operand.number_kind) {
case SPV_NUMBER_SIGNED_INT:
stream_ << int32_t(word);
break;
case SPV_NUMBER_UNSIGNED_INT:
stream_ << word;
break;
case SPV_NUMBER_FLOATING:
if (operand.number_bit_width == 16) {
stream_ << spvutils::FloatProxy<spvutils::Float16>(
uint16_t(word & 0xFFFF));
} else {
// Assume 32-bit floats.
stream_ << spvutils::FloatProxy<float>(word);
}
break;
default:
assert(false && "Unreachable");
}
} else if (operand.num_words == 2) {
// Multi-word numbers are presented with lower order words first.
uint64_t bits =
uint64_t(word) | (uint64_t(inst.words[operand.offset + 1]) << 32);
switch (operand.number_kind) {
case SPV_NUMBER_SIGNED_INT:
stream_ << int64_t(bits);
break;
case SPV_NUMBER_UNSIGNED_INT:
stream_ << bits;
break;
case SPV_NUMBER_FLOATING:
// Assume only 64-bit floats.
stream_ << spvutils::FloatProxy<double>(bits);
break;
default:
assert(false && "Unreachable");
}
} else {
// TODO(dneto): Support more than 64-bits at a time.
assert(false && "Unhandled");
}
libspirv::EmitNumericLiteral(&stream_, inst, operand);
ResetColor();
} break;
case SPV_OPERAND_TYPE_LITERAL_STRING: {
stream_ << "\"";

75
source/parsed_operand.cpp Normal file
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@ -0,0 +1,75 @@
// Copyright (c) 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This file contains utility functions for spv_parsed_operand_t.
#include "parsed_operand.h"
#include <cassert>
#include "util/hex_float.h"
namespace libspirv {
void EmitNumericLiteral(std::ostream* out, const spv_parsed_instruction_t& inst,
const spv_parsed_operand_t& operand) {
assert(operand.type == SPV_OPERAND_TYPE_LITERAL_INTEGER ||
operand.type == SPV_OPERAND_TYPE_TYPED_LITERAL_NUMBER);
assert(1 <= operand.num_words);
assert(operand.num_words <= 2);
const uint32_t word = inst.words[operand.offset];
if (operand.num_words == 1) {
switch (operand.number_kind) {
case SPV_NUMBER_SIGNED_INT:
*out << int32_t(word);
break;
case SPV_NUMBER_UNSIGNED_INT:
*out << word;
break;
case SPV_NUMBER_FLOATING:
if (operand.number_bit_width == 16) {
*out << spvutils::FloatProxy<spvutils::Float16>(
uint16_t(word & 0xFFFF));
} else {
// Assume 32-bit floats.
*out << spvutils::FloatProxy<float>(word);
}
break;
default:
assert(false && "Unreachable");
}
} else if (operand.num_words == 2) {
// Multi-word numbers are presented with lower order words first.
uint64_t bits =
uint64_t(word) | (uint64_t(inst.words[operand.offset + 1]) << 32);
switch (operand.number_kind) {
case SPV_NUMBER_SIGNED_INT:
*out << int64_t(bits);
break;
case SPV_NUMBER_UNSIGNED_INT:
*out << bits;
break;
case SPV_NUMBER_FLOATING:
// Assume only 64-bit floats.
*out << spvutils::FloatProxy<double>(bits);
break;
default:
assert(false && "Unreachable");
}
} else {
// TODO(dneto): Support more than 64-bits at a time.
assert(false && "Unhandled");
}
}
} // namespace libspirv

32
source/parsed_operand.h Normal file
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@ -0,0 +1,32 @@
// Copyright (c) 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef LIBSPIRV_PARSED_OPERAND_H_
#define LIBSPIRV_PARSED_OPERAND_H_
#include <ostream>
#include "spirv-tools/libspirv.h"
namespace libspirv {
// Emits the numeric literal representation of the given instruction operand
// to the stream. The operand must be of numeric type. If integral it may
// be up to 64 bits wide. If floating point, then it must be 16, 32, or 64
// bits wide.
void EmitNumericLiteral(std::ostream* out, const spv_parsed_instruction_t& inst,
const spv_parsed_operand_t& operand);
} // namespace libspirv
#endif // LIBSPIRV_BINARY_H_

33
test/binary_to_text_test.cpp
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@ -235,6 +235,39 @@ TEST_P(RoundTripInstructionsTest, Sample) {
Eq(get<1>(GetParam())));
}
INSTANTIATE_TEST_CASE_P(
NumericLiterals, RoundTripInstructionsTest,
// This test is independent of environment, so just test the one.
Combine(::testing::Values(SPV_ENV_UNIVERSAL_1_0),
::testing::ValuesIn(std::vector<std::string>{
"%1 = OpTypeInt 12 0\n%2 = OpConstant %1 1867\n",
"%1 = OpTypeInt 12 1\n%2 = OpConstant %1 1867\n",
"%1 = OpTypeInt 12 1\n%2 = OpConstant %1 -1867\n",
"%1 = OpTypeInt 32 0\n%2 = OpConstant %1 1867\n",
"%1 = OpTypeInt 32 1\n%2 = OpConstant %1 1867\n",
"%1 = OpTypeInt 32 1\n%2 = OpConstant %1 -1867\n",
"%1 = OpTypeInt 64 0\n%2 = OpConstant %1 18446744073709551615\n",
"%1 = OpTypeInt 64 1\n%2 = OpConstant %1 9223372036854775807\n",
"%1 = OpTypeInt 64 1\n%2 = OpConstant %1 -9223372036854775808\n",
// 16-bit floats print as hex floats.
"%1 = OpTypeFloat 16\n%2 = OpConstant %1 0x1.ff4p+16\n",
"%1 = OpTypeFloat 16\n%2 = OpConstant %1 -0x1.d2cp-10\n",
// 32-bit floats
"%1 = OpTypeFloat 32\n%2 = OpConstant %1 -3.275\n",
"%1 = OpTypeFloat 32\n%2 = OpConstant %1 0x1.8p+128\n", // NaN
"%1 = OpTypeFloat 32\n%2 = OpConstant %1 -0x1.0002p+128\n", // NaN
"%1 = OpTypeFloat 32\n%2 = OpConstant %1 0x1p+128\n", // Inf
"%1 = OpTypeFloat 32\n%2 = OpConstant %1 -0x1p+128\n", // -Inf
// 64-bit floats
"%1 = OpTypeFloat 64\n%2 = OpConstant %1 -3.275\n",
"%1 = OpTypeFloat 64\n%2 = OpConstant %1 0x1.ffffffffffffap-1023\n", // small normal
"%1 = OpTypeFloat 64\n%2 = OpConstant %1 -0x1.ffffffffffffap-1023\n",
"%1 = OpTypeFloat 64\n%2 = OpConstant %1 0x1.8p+1024\n", // NaN
"%1 = OpTypeFloat 64\n%2 = OpConstant %1 -0x1.0002p+1024\n", // NaN
"%1 = OpTypeFloat 64\n%2 = OpConstant %1 0x1p+1024\n", // Inf
"%1 = OpTypeFloat 64\n%2 = OpConstant %1 -0x1p+1024\n", // -Inf
})), );
INSTANTIATE_TEST_CASE_P(
MemoryAccessMasks, RoundTripInstructionsTest,
Combine(::testing::Values(SPV_ENV_UNIVERSAL_1_0, SPV_ENV_UNIVERSAL_1_1),