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Cleaned up legacy code

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This commit is contained in:
tevador 2019-04-21 14:07:32 +02:00
parent 360c8ed913
commit 41b51a4858
16 changed files with 6 additions and 657 deletions
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8
src/allocator.cpp
View File

@ -17,8 +17,6 @@ You should have received a copy of the GNU General Public License
along with RandomX. If not, see<http://www.gnu.org/licenses/>.
*/
#pragma once
#include "allocator.hpp"
#include "intrin_portable.h"
#include "virtual_memory.hpp"
@ -36,10 +34,8 @@ namespace randomx {
_mm_free(ptr);
}
template void* AlignedAllocator<CacheLineSize>::allocMemory(size_t count);
template void AlignedAllocator<CacheLineSize>::freeMemory(void* ptr, size_t count);
template void* AlignedAllocator<sizeof(__m128i)>::allocMemory(size_t count);
template void AlignedAllocator<sizeof(__m128i)>::freeMemory(void* ptr, size_t count);
template class AlignedAllocator<CacheLineSize>;
template class AlignedAllocator<sizeof(__m128i)>;;
void* LargePageAllocator::allocMemory(size_t count) {
return allocLargePagesMemory(count);

155
src/asm/initBlock.inc
View File

@ -1,155 +0,0 @@
prefetcht0 byte ptr [rbp]
xor r9, r9
xor r10, r10
xor r11, r11
xor r12, r12
xor r13, r13
xor r14, r14
xor r15, r15
initBlock_loop:
;# c0
mov rbx, r8
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r8+r9]
call squareHash
mov r9, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c1
mov rbx, r9
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r9+r10]
call squareHash
mov r10, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c2
mov rbx, r10
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r10+r11]
call squareHash
mov r11, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c3
mov rbx, r11
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r11+r12]
call squareHash
mov r12, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c4
mov rbx, r12
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r12+r13]
call squareHash
mov r13, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c5
mov rbx, r13
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r13+r14]
call squareHash
mov r14, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c6
mov rbx, r14
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r14+r15]
call squareHash
mov r15, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c7
mov rbx, r15
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r15+r8]
call squareHash
mov r8, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
sub rsi, 1
jnz initBlock_loop
mov qword ptr [rbp+0], r8
mov qword ptr [rbp+8], r9
mov qword ptr [rbp+16], r10
mov qword ptr [rbp+24], r11
mov qword ptr [rbp+32], r12
mov qword ptr [rbp+40], r13
mov qword ptr [rbp+48], r14
mov qword ptr [rbp+56], r15

21
src/asm/program_prologue_load.inc
View File

@ -1,21 +0,0 @@
mov rax, rbp
;# zero integer registers
xor r8, r8
xor r9, r9
xor r10, r10
xor r11, r11
xor r12, r12
xor r13, r13
xor r14, r14
xor r15, r15
;# load constant registers
lea rcx, [rcx+120]
movapd xmm8, xmmword ptr [rcx+72]
movapd xmm9, xmmword ptr [rcx+88]
movapd xmm10, xmmword ptr [rcx+104]
movapd xmm11, xmmword ptr [rcx+120]
movapd xmm13, xmmword ptr [minDbl]
movapd xmm14, xmmword ptr [absMask]
movapd xmm15, xmmword ptr [signMask]

171
src/asm/program_read_dataset_light_sub.inc
View File

@ -1,171 +0,0 @@
;# rdi -> Cache pointer
;# rcx -> Dataset block number
;# rax, rbx, rcx, rdx -> scratch registers
sub rsp, 72
mov qword ptr [rsp+64], rbx
mov qword ptr [rsp+56], r8
mov qword ptr [rsp+48], r9
mov qword ptr [rsp+40], r10
mov qword ptr [rsp+32], r11
mov qword ptr [rsp+24], r12
mov qword ptr [rsp+16], r13
mov qword ptr [rsp+8], r14
mov qword ptr [rsp+0], r15
mov r8, rcx
xor r9, r9
xor r10, r10
xor r11, r11
xor r12, r12
xor r13, r13
xor r14, r14
xor r15, r15
;# iteration 0
;# c0
mov rbx, r8
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r8+r9]
call squareHashSub
mov r9, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c1
mov rbx, r9
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r9+r10]
call squareHashSub
mov r10, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c2
mov rbx, r10
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r10+r11]
call squareHashSub
mov r11, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c3
mov rbx, r11
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r11+r12]
call squareHashSub
mov r12, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c4
mov rbx, r12
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r12+r13]
call squareHashSub
mov r13, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c5
mov rbx, r13
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r13+r14]
call squareHashSub
mov r14, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c6
mov rbx, r14
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r14+r15]
call squareHashSub
mov r15, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# c7
mov rbx, r15
and rbx, 4194303
shl rbx, 6
add rbx, rdi
prefetchnta byte ptr [rbx]
lea rcx, [r15+r8]
call squareHashSub
mov r8, rax
xor r8, qword ptr [rbx+0]
xor r9, qword ptr [rbx+8]
xor r10, qword ptr [rbx+16]
xor r11, qword ptr [rbx+24]
xor r12, qword ptr [rbx+32]
xor r13, qword ptr [rbx+40]
xor r14, qword ptr [rbx+48]
xor r15, qword ptr [rbx+56]
;# --------------------------
mov rbx, qword ptr [rsp+64]
xor r8, qword ptr [rsp+56]
xor r9, qword ptr [rsp+48]
xor r10, qword ptr [rsp+40]
xor r11, qword ptr [rsp+32]
xor r12, qword ptr [rsp+24]
xor r13, qword ptr [rsp+16]
xor r14, qword ptr [rsp+8]
xor r15, qword ptr [rsp+0]
add rsp, 72
;# xor eax, eax
ret

87
src/asm/squareHash.inc
View File

@ -1,87 +0,0 @@
mov rax, 9507361525245169745
add rax, rcx
mul rax
sub rax, rdx ;# 1
mul rax
sub rax, rdx ;# 2
mul rax
sub rax, rdx ;# 3
mul rax
sub rax, rdx ;# 4
mul rax
sub rax, rdx ;# 5
mul rax
sub rax, rdx ;# 6
mul rax
sub rax, rdx ;# 7
mul rax
sub rax, rdx ;# 8
mul rax
sub rax, rdx ;# 9
mul rax
sub rax, rdx ;# 10
mul rax
sub rax, rdx ;# 11
mul rax
sub rax, rdx ;# 12
mul rax
sub rax, rdx ;# 13
mul rax
sub rax, rdx ;# 14
mul rax
sub rax, rdx ;# 15
mul rax
sub rax, rdx ;# 16
mul rax
sub rax, rdx ;# 17
mul rax
sub rax, rdx ;# 18
mul rax
sub rax, rdx ;# 19
mul rax
sub rax, rdx ;# 20
mul rax
sub rax, rdx ;# 21
mul rax
sub rax, rdx ;# 22
mul rax
sub rax, rdx ;# 23
mul rax
sub rax, rdx ;# 24
mul rax
sub rax, rdx ;# 25
mul rax
sub rax, rdx ;# 26
mul rax
sub rax, rdx ;# 27
mul rax
sub rax, rdx ;# 28
mul rax
sub rax, rdx ;# 29
mul rax
sub rax, rdx ;# 30
mul rax
sub rax, rdx ;# 31
mul rax
sub rax, rdx ;# 32
mul rax
sub rax, rdx ;# 33
mul rax
sub rax, rdx ;# 34
mul rax
sub rax, rdx ;# 35
mul rax
sub rax, rdx ;# 36
mul rax
sub rax, rdx ;# 37
mul rax
sub rax, rdx ;# 38
mul rax
sub rax, rdx ;# 39
mul rax
sub rax, rdx ;# 40
mul rax
sub rax, rdx ;# 41
mul rax
sub rax, rdx ;# 42
ret

7
src/common.hpp
View File

@ -30,8 +30,6 @@ namespace randomx {
static_assert((RANDOMX_ARGON_MEMORY & (RANDOMX_ARGON_MEMORY - 1)) == 0, "RANDOMX_ARGON_MEMORY must be a power of 2.");
static_assert((RANDOMX_DATASET_SIZE & (RANDOMX_DATASET_SIZE - 1)) == 0, "RANDOMX_DATASET_SIZE must be a power of 2.");
static_assert(RANDOMX_DATASET_SIZE <= 4294967296ULL, "RANDOMX_DATASET_SIZE must not exceed 4294967296.");
static_assert(RANDOMX_DS_GROWTH % 64 == 0, "RANDOMX_DS_GROWTH must be divisible by 64.");
static_assert(RANDOMX_ARGON_GROWTH >= 0, "RANDOMX_ARGON_GROWTH must be greater than or equal to 0.");
static_assert(RANDOMX_PROGRAM_SIZE > 0, "RANDOMX_PROGRAM_SIZE must be greater than 0");
static_assert(RANDOMX_PROGRAM_ITERATIONS > 0, "RANDOMX_PROGRAM_ITERATIONS must be greater than 0");
static_assert(RANDOMX_PROGRAM_COUNT > 0, "RANDOMX_PROGRAM_COUNT must be greater than 0");
@ -54,15 +52,14 @@ namespace randomx {
using addr_t = uint32_t;
constexpr int SeedSize = 32;
constexpr int ResultSize = 64;
constexpr int ArgonBlockSize = 1024;
constexpr int ArgonSaltSize = sizeof(RANDOMX_ARGON_SALT) - 1;
constexpr int CacheLineSize = 64;
constexpr int ScratchpadSize = RANDOMX_SCRATCHPAD_L3;
constexpr uint32_t CacheLineAlignMask = (RANDOMX_DATASET_SIZE - 1) & ~(CacheLineSize - 1);
constexpr uint32_t CacheSize = RANDOMX_ARGON_MEMORY * 1024;
constexpr int CacheBlockCount = CacheSize / CacheLineSize;
static_assert(RANDOMX_DATASET_BLOCKS == RANDOMX_DATASET_SIZE / CacheLineSize, "Invalid value of RANDOMX_DATASET_BLOCKS");
#ifdef TRACE
constexpr bool trace = true;

6
src/configuration.h
View File

@ -22,9 +22,6 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
//Cache size in KiB. Must be a power of 2.
#define RANDOMX_ARGON_MEMORY (256 * 1024)
//Cache growth per epoch in KiB.
#define RANDOMX_ARGON_GROWTH 0
//Number of Argon2d iterations for Cache initialization
#define RANDOMX_ARGON_ITERATIONS 3
@ -43,9 +40,6 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
//Dataset size in bytes. Must be a power of 2.
#define RANDOMX_DATASET_SIZE (2ULL * 1024 * 1024 * 1024)
//Dataset growth per epoch in bytes. Must be divisible by 64.
#define RANDOMX_DS_GROWTH 0
//Number of blocks per epoch
#define RANDOMX_EPOCH_BLOCKS 2048

19
src/dataset.cpp
View File

@ -211,23 +211,4 @@ namespace randomx {
for (uint32_t blockNumber = startBlock; blockNumber < endBlock; ++blockNumber, dataset += CacheLineSize)
initDatasetBlock(cache, dataset, blockNumber);
}
/*void datasetAlloc(dataset_t& ds, bool largePages) {
if (std::numeric_limits<size_t>::max() < RANDOMX_DATASET_SIZE)
throw std::runtime_error("Platform doesn't support enough memory for the dataset");
if (largePages) {
ds.dataset.memory = (uint8_t*)allocLargePagesMemory(ds.dataset.size);
}
else {
ds.dataset.memory = (uint8_t*)_mm_malloc(ds.dataset.size, 64);
if (ds.dataset.memory == nullptr) {
throw std::runtime_error("Dataset memory allocation failed. >4 GiB of free virtual memory is needed.");
}
}
}
void datasetInitCache(const void* seed, dataset_t& ds, bool largePages) {
ds.cache.memory = allocCache(ds.cache.size, largePages);
argonFill(ds.cache, seed, SeedSize);
}*/
}

8
src/jit_compiler_x86.cpp
View File

@ -105,7 +105,6 @@ namespace randomx {
const uint8_t* codeDatasetInit = (uint8_t*)&randomx_dataset_init;
const uint8_t* codeLoopStore = (uint8_t*)&randomx_program_loop_store;
const uint8_t* codeLoopEnd = (uint8_t*)&randomx_program_loop_end;
const uint8_t* codeReadDatasetLightSub = (uint8_t*)&randomx_program_read_dataset_light_sub;
const uint8_t* codeEpilogue = (uint8_t*)&randomx_program_epilogue;
const uint8_t* codeProgramEnd = (uint8_t*)&randomx_program_end;
const uint8_t* codeShhLoad = (uint8_t*)&randomx_sshash_load;
@ -120,7 +119,6 @@ namespace randomx {
const int32_t readDatasetLightInitSize = codeReadDatasetLightSshFin - codeReadDatasetLightSshInit;
const int32_t readDatasetLightFinSize = codeLoopStore - codeReadDatasetLightSshFin;
const int32_t loopStoreSize = codeLoopEnd - codeLoopStore;
const int32_t readDatasetLightSubSize = codeDatasetInit - codeReadDatasetLightSub;
const int32_t datasetInitSize = codeEpilogue - codeDatasetInit;
const int32_t epilogueSize = codeShhLoad - codeEpilogue;
const int32_t codeSshLoadSize = codeShhPrefetch - codeShhLoad;
@ -128,7 +126,6 @@ namespace randomx {
const int32_t codeSshInitSize = codeProgramEnd - codeShhInit;
const int32_t epilogueOffset = CodeSize - epilogueSize;
const int32_t readDatasetLightSubOffset = epilogueOffset - readDatasetLightSubSize;
constexpr int32_t superScalarHashOffset = 32768;
static const uint8_t REX_ADD_RR[] = { 0x4d, 0x03 };
@ -226,7 +223,6 @@ namespace randomx {
code = (uint8_t*)allocExecutableMemory(CodeSize);
memcpy(code, codePrologue, prologueSize);
memcpy(code + epilogueOffset, codeEpilogue, epilogueSize);
memcpy(code + readDatasetLightSubOffset, codeReadDatasetLightSub, readDatasetLightSubSize);
}
JitCompilerX86::~JitCompilerX86() {
@ -241,10 +237,6 @@ namespace randomx {
}
void JitCompilerX86::generateProgramLight(Program& prog, ProgramConfiguration& pcfg) {
if (RANDOMX_CACHE_ACCESSES != 8)
throw std::runtime_error("JIT compiler: Unsupported value of RANDOMX_CACHE_ACCESSES");
if (RANDOMX_ARGON_GROWTH != 0)
throw std::runtime_error("JIT compiler: Unsupported value of RANDOMX_ARGON_GROWTH");
generateProgramPrologue(prog, pcfg);
//if (superscalar) {
emit(codeReadDatasetLightSshInit, readDatasetLightInitSize);

10
src/jit_compiler_x86_static.S
View File

@ -34,11 +34,9 @@
.global DECL(randomx_program_read_dataset_light)
.global DECL(randomx_program_read_dataset_sshash_init)
.global DECL(randomx_program_read_dataset_sshash_fin)
.global DECL(randomx_program_read_dataset_light_sub)
.global DECL(randomx_dataset_init)
.global DECL(randomx_program_loop_store)
.global DECL(randomx_program_loop_end)
.global DECL(randomx_program_read_dataset_light_sub)
.global DECL(randomx_dataset_init)
.global DECL(randomx_program_epilogue)
.global DECL(randomx_sshash_load)
.global DECL(randomx_sshash_prefetch)
@ -83,12 +81,6 @@ DECL(randomx_program_loop_store):
DECL(randomx_program_loop_end):
nop
.balign 64
DECL(randomx_program_read_dataset_light_sub):
#include "asm/program_read_dataset_light_sub.inc"
squareHashSub:
#include "asm/squareHash.inc"
.balign 64
DECL(randomx_dataset_init):
push rbx

8
src/jit_compiler_x86_static.asm
View File

@ -27,7 +27,6 @@ PUBLIC randomx_program_read_dataset
PUBLIC randomx_program_read_dataset_light
PUBLIC randomx_program_read_dataset_sshash_init
PUBLIC randomx_program_read_dataset_sshash_fin
PUBLIC randomx_program_read_dataset_light_sub
PUBLIC randomx_dataset_init
PUBLIC randomx_program_loop_store
PUBLIC randomx_program_loop_end
@ -83,13 +82,6 @@ randomx_program_loop_end PROC
nop
randomx_program_loop_end ENDP
ALIGN 64
randomx_program_read_dataset_light_sub PROC
include asm/program_read_dataset_light_sub.inc
squareHashSub:
include asm/squareHash.inc
randomx_program_read_dataset_light_sub ENDP
ALIGN 64
randomx_dataset_init PROC
push rbx

1
src/jit_compiler_x86_static.hpp
View File

@ -30,7 +30,6 @@ extern "C" {
void randomx_program_read_dataset_sshash_fin();
void randomx_program_loop_store();
void randomx_program_loop_end();
void randomx_program_read_dataset_light_sub();
void randomx_dataset_init();
void randomx_program_epilogue();
void randomx_sshash_load();

41
src/squareHash.S
View File

@ -1,41 +0,0 @@
.intel_syntax noprefix
#if defined(__APPLE__)
.text
#else
.section .text
#endif
#if defined(__WIN32__) || defined(__APPLE__)
#define DECL(x) _##x
#else
#define DECL(x) x
#endif
#include "configuration.h"
.global DECL(squareHash)
.global DECL(initBlock)
DECL(squareHash):
mov rcx, rdi
#include "asm/squareHash.inc"
DECL(initBlock):
push rbx
push rbp
push r12
push r13
push r14
push r15
mov rdi, qword ptr [rdi]
mov rbp, rsi
mov r8, rdx
mov rsi, rcx
#define squareHash DECL(squareHash)
#include "asm/initBlock.inc"
pop r15
pop r14
pop r13
pop r12
pop rbp
pop rbx
ret

43
src/squareHash.asm
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@ -1,43 +0,0 @@
IFDEF RAX
PUBLIC squareHash
PUBLIC initBlock
.code
squareHash PROC
include asm/squareHash.inc
squareHash ENDP
; rcx = cache
; rdx = out
; r8 = blockNumber
; r9 = iterations
initBlock PROC
push rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
mov rdi, qword ptr [rcx]
mov rbp, rdx
; r8 = blockNumber
mov rsi, r9
include asm/initBlock.inc
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
pop rbx
ret
initBlock ENDP
ENDIF
END

76
src/squareHash.h
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@ -1,76 +0,0 @@
/*
Copyright (c) 2019 tevador
This file is part of RandomX.
RandomX is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
RandomX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with RandomX. If not, see<http://www.gnu.org/licenses/>.
*/
/*
Based on the original idea by SChernykh:
https://github.com/SChernykh/xmr-stak-cpu/issues/1#issuecomment-414336613
*/
#include <stdint.h>
#if !defined(_M_X64) && !defined(__x86_64__)
typedef struct {
uint64_t lo;
uint64_t hi;
} uint128_t;
#define LO(x) ((x)&0xffffffff)
#define HI(x) ((x)>>32)
static inline uint128_t square128(uint64_t x) {
uint64_t xh = HI(x), xl = LO(x);
uint64_t xll = xl * xl;
uint64_t xlh = xl * xh;
uint64_t xhh = xh * xh;
uint64_t m1 = 2 * LO(xlh) + HI(xll);
uint64_t m2 = 2 * HI(xlh) + LO(xhh) + HI(m1);
uint64_t m3 = HI(xhh) + HI(m2);
uint128_t x2;
x2.lo = (m1 << 32) + LO(xll);
x2.hi = (m3 << 32) + LO(m2);
return x2;
}
#undef LO
#undef HI
inline uint64_t squareHash(uint64_t x) {
x += 9507361525245169745ULL;
for (int i = 0; i < 42; ++i) {
uint128_t x2 = square128(x);
x = x2.lo - x2.hi;
}
return x;
}
#else
#if defined(__cplusplus)
extern "C" {
#endif
uint64_t squareHash(uint64_t);
#if defined(__cplusplus)
}
#endif
#endif

2
src/superscalar.cpp
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@ -18,7 +18,7 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
*/
#include "configuration.h"
#include "Program.hpp"
#include "program.hpp"
#include "blake2/endian.h"
#include <iostream>
#include <vector>