github-wownero/RandomWOW
1
0
Fork 0
mirror of https://github.com/wownero/RandomWOW.git synced 2026-10-17 15:31:46 +02:00
Code Issues Packages Projects Releases Wiki Activity

Unique scratchpad addresses - interpreter

Browse Source 
Additional writes to L3
This commit is contained in:
tevador
2019-04-16 18:58:44 +02:00
parent 33a2fd021d
commit 682000b1a9
11 changed files with 161 additions and 112 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/JitCompilerX86.cpp
+22 -13
View File
@@ -182,7 +182,7 @@ namespace RandomX {
static const uint8_t SQRTPD[] = { 0x66, 0x0f, 0x51 };
static const uint8_t AND_OR_MOV_LDMXCSR[] = { 0x25, 0x00, 0x60, 0x00, 0x00, 0x0D, 0xC0, 0x9F, 0x00, 0x00, 0x89, 0x44, 0x24, 0xF8, 0x0F, 0xAE, 0x54, 0x24, 0xF8 };
static const uint8_t ROL_RAX[] = { 0x48, 0xc1, 0xc0 };
static const uint8_t XOR_RCX_RCX[] = { 0x48, 0x33, 0xC9 };
static const uint8_t XOR_ECX_ECX[] = { 0x33, 0xC9 };
static const uint8_t REX_CMP_R32I[] = { 0x41, 0x81 };
static const uint8_t REX_CMP_M32I[] = { 0x81, 0x3c, 0x06 };
static const uint8_t MOVAPD[] = { 0x66, 0x0f, 0x29 };
@@ -202,6 +202,7 @@ namespace RandomX {
static const uint8_t JZ[] = { 0x0f, 0x84 };
static const uint8_t RET = 0xc3;
static const uint8_t LEA_32[] = { 0x67, 0x41, 0x8d };
static const uint8_t MOVNTI[] = { 0x4c, 0x0f, 0xc3 };
static const uint8_t NOP1[] = { 0x90 };
static const uint8_t NOP2[] = { 0x66, 0x90 };
@@ -360,7 +361,7 @@ namespace RandomX {
case RandomX::SuperscalarInstructionType::IADD_RS:
emit(REX_LEA);
emitByte(0x04 + 8 * instr.dst);
genSIB(instr.mod % 4, instr.src, instr.dst);
genSIB(instr.getModShift2(), instr.src, instr.dst);
break;
case RandomX::SuperscalarInstructionType::IMUL_R:
emit(REX_IMUL_RR);
@@ -445,7 +446,7 @@ namespace RandomX {
emitByte(AND_EAX_I);
else
emit(AND_ECX_I);
emit32((instr.mod % 4) ? ScratchpadL1Mask : ScratchpadL2Mask);
emit32(instr.getModMem() ? ScratchpadL1Mask : ScratchpadL2Mask);
}
void JitCompilerX86::genAddressRegDst(Instruction& instr, bool align16 = false) {
@@ -456,9 +457,14 @@ namespace RandomX {
}
emit32(instr.getImm32());
emitByte(AND_EAX_I);
int32_t maskL1 = align16 ? ScratchpadL1Mask16 : ScratchpadL1Mask;
int32_t maskL2 = align16 ? ScratchpadL2Mask16 : ScratchpadL2Mask;
emit32((instr.mod % 4) ? maskL1 : maskL2);
if (instr.getModCond()) {
int32_t maskL1 = align16 ? ScratchpadL1Mask16 : ScratchpadL1Mask;
int32_t maskL2 = align16 ? ScratchpadL2Mask16 : ScratchpadL2Mask;
emit32(instr.getModMem() ? maskL1 : maskL2);
}
else {
emit32(ScratchpadL3Mask);
}
}
void JitCompilerX86::genAddressImm(Instruction& instr) {
@@ -485,7 +491,7 @@ namespace RandomX {
emitByte(0xac);
else
emitByte(0x04 + 8 * instr.dst);
genSIB(instr.mod % 4, instr.src, instr.dst);
genSIB(instr.getModShift2(), instr.src, instr.dst);
if (instr.dst == RegisterNeedsDisplacement)
emit32(instr.getImm32());
}
@@ -880,7 +886,7 @@ namespace RandomX {
}
static inline uint8_t jumpCondition(Instruction& instr, bool invert = false) {
switch (((instr.mod >> 2) & 7) ^ invert)
switch (instr.getModCond() ^ invert)
{
case 0:
return 0x76; //jbe
@@ -902,7 +908,7 @@ namespace RandomX {
}
static inline uint8_t condition(Instruction& instr) {
switch ((instr.mod >> 2) & 7)
switch (instr.getModCond())
{
case 0:
return 0x96; //setbe
@@ -938,7 +944,7 @@ namespace RandomX {
}
void JitCompilerX86::handleCondition(Instruction& instr, int i) {
const int shift = (instr.mod >> 5);
const int shift = instr.getModShift3();
const int conditionMask = ((1 << RANDOMX_CONDITION_BITS) - 1) << shift;
int reg = getConditionRegister();
int target = registerUsage[reg] + 1;
@@ -973,7 +979,7 @@ namespace RandomX {
emit(NOP3);
return;
}
emit(XOR_RCX_RCX);
emit(XOR_ECX_ECX);
emit(REX_CMP_R32I);
emitByte(0xf8 + instr.src);
emit32(instr.getImm32());
@@ -988,7 +994,7 @@ namespace RandomX {
#ifdef RANDOMX_JUMP
handleCondition(instr, i);
#endif
emit(XOR_RCX_RCX);
emit(XOR_ECX_ECX);
genAddressReg(instr);
emit(REX_CMP_M32I);
emit32(instr.getImm32());
@@ -1001,7 +1007,10 @@ namespace RandomX {
void JitCompilerX86::h_ISTORE(Instruction& instr, int i) {
genAddressRegDst(instr);
emit(REX_MOV_MR);
//if (instr.getModCond())
emit(REX_MOV_MR);
//else
// emit(MOVNTI);
emitByte(0x04 + 8 * instr.src);
emitByte(0x06);
}