From 3533d33ff5d76afe3a8ff67f586effc5f0a1831e Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Wed, 21 Nov 2018 02:20:22 -0500
Subject: [PATCH] common: Remove dependency on xbyak
Xbyak is currently entirely unused. Rather than carting it along, remove
it and get rid of a dependency. If it's ever needed in the future, then
it can be re-added (and likely be more up to date at that point in
time).
---
.gitmodules | 3 -
externals/CMakeLists.txt | 9 --
externals/xbyak | 1 -
src/common/CMakeLists.txt | 5 -
src/common/x64/xbyak_abi.h | 222 ------------------------------------
src/common/x64/xbyak_util.h | 47 --------
6 files changed, 287 deletions(-)
delete mode 160000 externals/xbyak
delete mode 100644 src/common/x64/xbyak_abi.h
delete mode 100644 src/common/x64/xbyak_util.h
diff --git a/.gitmodules b/.gitmodules
index 2c044ed7d1..a33a041672 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,9 +13,6 @@
[submodule "dynarmic"]
path = externals/dynarmic
url = https://github.com/MerryMage/dynarmic.git
-[submodule "xbyak"]
- path = externals/xbyak
- url = https://github.com/herumi/xbyak.git
[submodule "fmt"]
path = externals/fmt
url = https://github.com/fmtlib/fmt.git
diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index 1261062e89..e156bbece4 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -9,7 +9,6 @@ target_include_directories(catch-single-include INTERFACE catch/single_include)
# Dynarmic
if (ARCHITECTURE_x86_64)
- add_library(xbyak INTERFACE)
set(DYNARMIC_TESTS OFF)
set(DYNARMIC_NO_BUNDLED_FMT ON)
add_subdirectory(dynarmic)
@@ -53,14 +52,6 @@ target_include_directories(unicorn-headers INTERFACE ./unicorn/include)
# SoundTouch
add_subdirectory(soundtouch)
-# Xbyak
-if (ARCHITECTURE_x86_64)
- # Defined before "dynarmic" above
- # add_library(xbyak INTERFACE)
- target_include_directories(xbyak INTERFACE ./xbyak/xbyak)
- target_compile_definitions(xbyak INTERFACE XBYAK_NO_OP_NAMES)
-endif()
-
# Opus
add_subdirectory(opus)
target_include_directories(opus INTERFACE ./opus/include)
diff --git a/externals/xbyak b/externals/xbyak
deleted file mode 160000
index 1de435ed04..0000000000
--- a/externals/xbyak
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 1de435ed04c8e74775804da944d176baf0ce56e2
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index eccd8f64ae..895ee53f15 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -95,14 +95,9 @@ if(ARCHITECTURE_x86_64)
PRIVATE
x64/cpu_detect.cpp
x64/cpu_detect.h
- x64/xbyak_abi.h
- x64/xbyak_util.h
)
endif()
create_target_directory_groups(common)
target_link_libraries(common PUBLIC Boost::boost fmt microprofile)
-if (ARCHITECTURE_x86_64)
- target_link_libraries(common PRIVATE xbyak)
-endif()
diff --git a/src/common/x64/xbyak_abi.h b/src/common/x64/xbyak_abi.h
deleted file mode 100644
index 636a5c0f96..0000000000
--- a/src/common/x64/xbyak_abi.h
+++ /dev/null
@@ -1,222 +0,0 @@
-// Copyright 2016 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <initializer_list>
-#include <xbyak.h>
-#include "common/assert.h"
-#include "common/bit_set.h"
-
-namespace Common::X64 {
-
-inline int RegToIndex(const Xbyak::Reg& reg) {
- using Kind = Xbyak::Reg::Kind;
- ASSERT_MSG((reg.getKind() & (Kind::REG | Kind::XMM)) != 0,
- "RegSet only support GPRs and XMM registers.");
- ASSERT_MSG(reg.getIdx() < 16, "RegSet only supports XXM0-15.");
- return reg.getIdx() + (reg.getKind() == Kind::REG ? 0 : 16);
-}
-
-inline Xbyak::Reg64 IndexToReg64(int reg_index) {
- ASSERT(reg_index < 16);
- return Xbyak::Reg64(reg_index);
-}
-
-inline Xbyak::Xmm IndexToXmm(int reg_index) {
- ASSERT(reg_index >= 16 && reg_index < 32);
- return Xbyak::Xmm(reg_index - 16);
-}
-
-inline Xbyak::Reg IndexToReg(int reg_index) {
- if (reg_index < 16) {
- return IndexToReg64(reg_index);
- } else {
- return IndexToXmm(reg_index);
- }
-}
-
-inline BitSet32 BuildRegSet(std::initializer_list<Xbyak::Reg> regs) {
- BitSet32 bits;
- for (const Xbyak::Reg& reg : regs) {
- bits[RegToIndex(reg)] = true;
- }
- return bits;
-}
-
-const BitSet32 ABI_ALL_GPRS(0x0000FFFF);
-const BitSet32 ABI_ALL_XMMS(0xFFFF0000);
-
-#ifdef _WIN32
-
-// Microsoft x64 ABI
-const Xbyak::Reg ABI_RETURN = Xbyak::util::rax;
-const Xbyak::Reg ABI_PARAM1 = Xbyak::util::rcx;
-const Xbyak::Reg ABI_PARAM2 = Xbyak::util::rdx;
-const Xbyak::Reg ABI_PARAM3 = Xbyak::util::r8;
-const Xbyak::Reg ABI_PARAM4 = Xbyak::util::r9;
-
-const BitSet32 ABI_ALL_CALLER_SAVED = BuildRegSet({
- // GPRs
- Xbyak::util::rcx,
- Xbyak::util::rdx,
- Xbyak::util::r8,
- Xbyak::util::r9,
- Xbyak::util::r10,
- Xbyak::util::r11,
- // XMMs
- Xbyak::util::xmm0,
- Xbyak::util::xmm1,
- Xbyak::util::xmm2,
- Xbyak::util::xmm3,
- Xbyak::util::xmm4,
- Xbyak::util::xmm5,
-});
-
-const BitSet32 ABI_ALL_CALLEE_SAVED = BuildRegSet({
- // GPRs
- Xbyak::util::rbx,
- Xbyak::util::rsi,
- Xbyak::util::rdi,
- Xbyak::util::rbp,
- Xbyak::util::r12,
- Xbyak::util::r13,
- Xbyak::util::r14,
- Xbyak::util::r15,
- // XMMs
- Xbyak::util::xmm6,
- Xbyak::util::xmm7,
- Xbyak::util::xmm8,
- Xbyak::util::xmm9,
- Xbyak::util::xmm10,
- Xbyak::util::xmm11,
- Xbyak::util::xmm12,
- Xbyak::util::xmm13,
- Xbyak::util::xmm14,
- Xbyak::util::xmm15,
-});
-
-constexpr std::size_t ABI_SHADOW_SPACE = 0x20;
-
-#else
-
-// System V x86-64 ABI
-const Xbyak::Reg ABI_RETURN = Xbyak::util::rax;
-const Xbyak::Reg ABI_PARAM1 = Xbyak::util::rdi;
-const Xbyak::Reg ABI_PARAM2 = Xbyak::util::rsi;
-const Xbyak::Reg ABI_PARAM3 = Xbyak::util::rdx;
-const Xbyak::Reg ABI_PARAM4 = Xbyak::util::rcx;
-
-const BitSet32 ABI_ALL_CALLER_SAVED = BuildRegSet({
- // GPRs
- Xbyak::util::rcx,
- Xbyak::util::rdx,
- Xbyak::util::rdi,
- Xbyak::util::rsi,
- Xbyak::util::r8,
- Xbyak::util::r9,
- Xbyak::util::r10,
- Xbyak::util::r11,
- // XMMs
- Xbyak::util::xmm0,
- Xbyak::util::xmm1,
- Xbyak::util::xmm2,
- Xbyak::util::xmm3,
- Xbyak::util::xmm4,
- Xbyak::util::xmm5,
- Xbyak::util::xmm6,
- Xbyak::util::xmm7,
- Xbyak::util::xmm8,
- Xbyak::util::xmm9,
- Xbyak::util::xmm10,
- Xbyak::util::xmm11,
- Xbyak::util::xmm12,
- Xbyak::util::xmm13,
- Xbyak::util::xmm14,
- Xbyak::util::xmm15,
-});
-
-const BitSet32 ABI_ALL_CALLEE_SAVED = BuildRegSet({
- // GPRs
- Xbyak::util::rbx,
- Xbyak::util::rbp,
- Xbyak::util::r12,
- Xbyak::util::r13,
- Xbyak::util::r14,
- Xbyak::util::r15,
-});
-
-constexpr std::size_t ABI_SHADOW_SPACE = 0;
-
-#endif
-
-inline void ABI_CalculateFrameSize(BitSet32 regs, std::size_t rsp_alignment,
- std::size_t needed_frame_size, s32* out_subtraction,
- s32* out_xmm_offset) {
- int count = (regs & ABI_ALL_GPRS).Count();
- rsp_alignment -= count * 8;
- std::size_t subtraction = 0;
- int xmm_count = (regs & ABI_ALL_XMMS).Count();
- if (xmm_count) {
- // If we have any XMMs to save, we must align the stack here.
- subtraction = rsp_alignment & 0xF;
- }
- subtraction += 0x10 * xmm_count;
- std::size_t xmm_base_subtraction = subtraction;
- subtraction += needed_frame_size;
- subtraction += ABI_SHADOW_SPACE;
- // Final alignment.
- rsp_alignment -= subtraction;
- subtraction += rsp_alignment & 0xF;
-
- *out_subtraction = (s32)subtraction;
- *out_xmm_offset = (s32)(subtraction - xmm_base_subtraction);
-}
-
-inline std::size_t ABI_PushRegistersAndAdjustStack(Xbyak::CodeGenerator& code, BitSet32 regs,
- std::size_t rsp_alignment,
- std::size_t needed_frame_size = 0) {
- s32 subtraction, xmm_offset;
- ABI_CalculateFrameSize(regs, rsp_alignment, needed_frame_size, &subtraction, &xmm_offset);
-
- for (int reg_index : (regs & ABI_ALL_GPRS)) {
- code.push(IndexToReg64(reg_index));
- }
-
- if (subtraction != 0) {
- code.sub(code.rsp, subtraction);
- }
-
- for (int reg_index : (regs & ABI_ALL_XMMS)) {
- code.movaps(code.xword[code.rsp + xmm_offset], IndexToXmm(reg_index));
- xmm_offset += 0x10;
- }
-
- return ABI_SHADOW_SPACE;
-}
-
-inline void ABI_PopRegistersAndAdjustStack(Xbyak::CodeGenerator& code, BitSet32 regs,
- std::size_t rsp_alignment,
- std::size_t needed_frame_size = 0) {
- s32 subtraction, xmm_offset;
- ABI_CalculateFrameSize(regs, rsp_alignment, needed_frame_size, &subtraction, &xmm_offset);
-
- for (int reg_index : (regs & ABI_ALL_XMMS)) {
- code.movaps(IndexToXmm(reg_index), code.xword[code.rsp + xmm_offset]);
- xmm_offset += 0x10;
- }
-
- if (subtraction != 0) {
- code.add(code.rsp, subtraction);
- }
-
- // GPRs need to be popped in reverse order
- for (int reg_index = 15; reg_index >= 0; reg_index--) {
- if (regs[reg_index]) {
- code.pop(IndexToReg64(reg_index));
- }
- }
-}
-
-} // namespace Common::X64
diff --git a/src/common/x64/xbyak_util.h b/src/common/x64/xbyak_util.h
deleted file mode 100644
index 5cc8a8c76a..0000000000
--- a/src/common/x64/xbyak_util.h
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright 2016 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <type_traits>
-#include <xbyak.h>
-#include "common/x64/xbyak_abi.h"
-
-namespace Common::X64 {
-
-// Constants for use with cmpps/cmpss
-enum {
- CMP_EQ = 0,
- CMP_LT = 1,
- CMP_LE = 2,
- CMP_UNORD = 3,
- CMP_NEQ = 4,
- CMP_NLT = 5,
- CMP_NLE = 6,
- CMP_ORD = 7,
-};
-
-inline bool IsWithin2G(uintptr_t ref, uintptr_t target) {
- u64 distance = target - (ref + 5);
- return !(distance >= 0x8000'0000ULL && distance <= ~0x8000'0000ULL);
-}
-
-inline bool IsWithin2G(const Xbyak::CodeGenerator& code, uintptr_t target) {
- return IsWithin2G(reinterpret_cast<uintptr_t>(code.getCurr()), target);
-}
-
-template <typename T>
-inline void CallFarFunction(Xbyak::CodeGenerator& code, const T f) {
- static_assert(std::is_pointer_v<T>, "Argument must be a (function) pointer.");
- std::size_t addr = reinterpret_cast<std::size_t>(f);
- if (IsWithin2G(code, addr)) {
- code.call(f);
- } else {
- // ABI_RETURN is a safe temp register to use before a call
- code.mov(ABI_RETURN, addr);
- code.call(ABI_RETURN);
- }
-}
-
-} // namespace Common::X64