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Port x64 backend to xbyak

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This commit is contained in:
MerryMage
2016-08-24 20:07:08 +01:00
parent 611cffb612
commit e32812cd00
25 changed files with 1638 additions and 5323 deletions
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116
src/backend_x64/block_of_code.h
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@@ -7,15 +7,17 @@
#pragma once
#include <array>
#include <vector>
#include <xbyak.h>
#include "backend_x64/jitstate.h"
#include "common/common_types.h"
#include "common/x64/emitter.h"
namespace Dynarmic {
namespace BackendX64 {
class BlockOfCode final : public Gen::XCodeBlock {
class BlockOfCode final : public Xbyak::CodeGenerator {
public:
BlockOfCode();
@@ -30,73 +32,99 @@ public:
void SwitchMxcsrOnEntry();
/// Code emitter: Makes saved host MXCSR the current MXCSR
void SwitchMxcsrOnExit();
/// Code emitter: Calls the function
void CallFunction(const void* fn);
Gen::OpArg MFloatPositiveZero32() const {
return Gen::M(const_FloatPositiveZero32);
Xbyak::Address MFloatPositiveZero32() {
return xword[rip + const_FloatPositiveZero32];
}
Gen::OpArg MFloatNegativeZero32() const {
return Gen::M(const_FloatNegativeZero32);
Xbyak::Address MFloatNegativeZero32() {
return xword[rip + const_FloatNegativeZero32];
}
Gen::OpArg MFloatNaN32() const {
return Gen::M(const_FloatNaN32);
Xbyak::Address MFloatNaN32() {
return xword[rip + const_FloatNaN32];
}
Gen::OpArg MFloatNonSignMask32() const {
return Gen::M(const_FloatNonSignMask32);
Xbyak::Address MFloatNonSignMask32() {
return xword[rip + const_FloatNonSignMask32];
}
Gen::OpArg MFloatPositiveZero64() const {
return Gen::M(const_FloatPositiveZero64);
Xbyak::Address MFloatPositiveZero64() {
return xword[rip + const_FloatPositiveZero64];
}
Gen::OpArg MFloatNegativeZero64() const {
return Gen::M(const_FloatNegativeZero64);
Xbyak::Address MFloatNegativeZero64() {
return xword[rip + const_FloatNegativeZero64];
}
Gen::OpArg MFloatNaN64() const {
return Gen::M(const_FloatNaN64);
Xbyak::Address MFloatNaN64() {
return xword[rip + const_FloatNaN64];
}
Gen::OpArg MFloatNonSignMask64() const {
return Gen::M(const_FloatNonSignMask64);
Xbyak::Address MFloatNonSignMask64() {
return xword[rip + const_FloatNonSignMask64];
}
Gen::OpArg MFloatPenultimatePositiveDenormal64() const {
return Gen::M(const_FloatPenultimatePositiveDenormal64);
Xbyak::Address MFloatPenultimatePositiveDenormal64() {
return xword[rip + const_FloatPenultimatePositiveDenormal64];
}
Gen::OpArg MFloatMinS32() const {
return Gen::M(const_FloatMinS32);
Xbyak::Address MFloatMinS32() {
return xword[rip + const_FloatMinS32];
}
Gen::OpArg MFloatMaxS32() const {
return Gen::M(const_FloatMaxS32);
Xbyak::Address MFloatMaxS32() {
return xword[rip + const_FloatMaxS32];
}
Gen::OpArg MFloatMinU32() const {
return Gen::M(const_FloatMinU32);
Xbyak::Address MFloatMinU32() {
return xword[rip + const_FloatMinU32];
}
Gen::OpArg MFloatMaxU32() const {
return Gen::M(const_FloatMaxU32);
Xbyak::Address MFloatMaxU32() {
return xword[rip + const_FloatMaxU32];
}
CodePtr GetReturnFromRunCodeAddress() const {
const void* GetReturnFromRunCodeAddress() const {
return return_from_run_code;
}
void int3() { db(0xCC); }
void nop(size_t size = 0) {
for (size_t i = 0; i < size; i++) {
db(0x90);
}
}
void SetCodePtr(CodePtr ptr);
void EnsurePatchLocationSize(CodePtr begin, size_t size);
#ifdef _WIN32
Xbyak::Reg64 ABI_RETURN = rax;
Xbyak::Reg64 ABI_PARAM1 = rcx;
Xbyak::Reg64 ABI_PARAM2 = rdx;
Xbyak::Reg64 ABI_PARAM3 = r8;
Xbyak::Reg64 ABI_PARAM4 = r9;
#else
Xbyak::Reg64 ABI_RETURN = rax;
Xbyak::Reg64 ABI_PARAM1 = rdi;
Xbyak::Reg64 ABI_PARAM2 = rsi;
Xbyak::Reg64 ABI_PARAM3 = rdx;
Xbyak::Reg64 ABI_PARAM4 = rcx;
#endif
private:
const u8* const_FloatPositiveZero32 = nullptr;
const u8* const_FloatNegativeZero32 = nullptr;
const u8* const_FloatNaN32 = nullptr;
const u8* const_FloatNonSignMask32 = nullptr;
const u8* const_FloatPositiveZero64 = nullptr;
const u8* const_FloatNegativeZero64 = nullptr;
const u8* const_FloatNaN64 = nullptr;
const u8* const_FloatNonSignMask64 = nullptr;
const u8* const_FloatPenultimatePositiveDenormal64 = nullptr;
const u8* const_FloatMinS32 = nullptr;
const u8* const_FloatMaxS32 = nullptr;
const u8* const_FloatMinU32 = nullptr;
const u8* const_FloatMaxU32 = nullptr;
Xbyak::Label const_FloatPositiveZero32;
Xbyak::Label const_FloatNegativeZero32;
Xbyak::Label const_FloatNaN32;
Xbyak::Label const_FloatNonSignMask32;
Xbyak::Label const_FloatPositiveZero64;
Xbyak::Label const_FloatNegativeZero64;
Xbyak::Label const_FloatNaN64;
Xbyak::Label const_FloatNonSignMask64;
Xbyak::Label const_FloatPenultimatePositiveDenormal64;
Xbyak::Label const_FloatMinS32;
Xbyak::Label const_FloatMaxS32;
Xbyak::Label const_FloatMinU32;
Xbyak::Label const_FloatMaxU32;
void GenConstants();
using RunCodeFuncType = void(*)(JitState*, CodePtr);
RunCodeFuncType run_code = nullptr;
void GenRunCode();
CodePtr return_from_run_code = nullptr;
CodePtr return_from_run_code_without_mxcsr_switch = nullptr;
const void* return_from_run_code = nullptr;
const void* return_from_run_code_without_mxcsr_switch = nullptr;
void GenReturnFromRunCode();
};