github-wownero/RandomX
1
0
Fork 0
mirror of https://github.com/wownero/RandomX.git synced 2026-10-19 08:18:45 +02:00
Code Issues Packages Projects Releases Wiki Activity

Added ISWAP instruction

Browse Source 
Scratchpad -> 2 MiB
New scratchpad initialization
New dataset initialization
This commit is contained in:
tevador
2019-02-04 17:07:00 +01:00
parent 20eb549725
commit 1ee94bef2a
23 changed files with 528 additions and 290 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/JitCompilerX86.cpp
+14 -5
View File
@@ -176,6 +176,7 @@ namespace RandomX {
static const uint8_t JNZ[] = { 0x0f, 0x85 };
static const uint8_t JMP = 0xe9;
static const uint8_t REX_XOR_RAX_R64[] = { 0x49, 0x33 };
static const uint8_t REX_XCHG[] = { 0x4d, 0x87 };
size_t JitCompilerX86::getCodeSize() {
return codePos - prologueSize;
@@ -248,7 +249,7 @@ namespace RandomX {
emitByte(AND_EAX_I);
else
emit(AND_ECX_I);
emit32((instr.alt % 4) ? ScratchpadL1Mask : ScratchpadL2Mask);
emit32((instr.mod % 4) ? ScratchpadL1Mask : ScratchpadL2Mask);
}
void JitCompilerX86::genAddressRegDst(Instruction& instr, bool align16 = false) {
@@ -257,11 +258,11 @@ namespace RandomX {
emitByte(AND_EAX_I);
int32_t maskL1 = align16 ? ScratchpadL1Mask16 : ScratchpadL1Mask;
int32_t maskL2 = align16 ? ScratchpadL2Mask16 : ScratchpadL2Mask;
emit32((instr.alt % 4) ? maskL1 : maskL2);
emit32((instr.mod % 4) ? maskL1 : maskL2);
}
void JitCompilerX86::genAddressImm(Instruction& instr) {
emit32(instr.imm32 & ((instr.alt % 4) ? ScratchpadL1Mask : ScratchpadL2Mask));
emit32(instr.imm32 & ((instr.mod % 4) ? ScratchpadL1Mask : ScratchpadL2Mask));
}
void JitCompilerX86::h_IADD_R(Instruction& instr) {
@@ -595,6 +596,13 @@ namespace RandomX {
}
}
void JitCompilerX86::h_ISWAP_R(Instruction& instr) {
if (instr.src != instr.dst) {
emit(REX_XCHG);
emitByte(0xc0 + instr.dst + 8 * instr.src);
}
}
void JitCompilerX86::h_FPSWAP_R(Instruction& instr) {
emit(SHUFPD);
emitByte(0xc0 + 9 * instr.dst);
@@ -682,7 +690,7 @@ namespace RandomX {
void JitCompilerX86::h_CFROUND(Instruction& instr) {
emit(REX_MOV_RR64);
emitByte(0xc0 + instr.src);
int rotate = (13 - (instr.alt & 63)) & 63;
int rotate = (13 - (instr.imm32 & 63)) & 63;
if (rotate != 0) {
emit(ROL_RAX);
emitByte(rotate);
@@ -691,7 +699,7 @@ namespace RandomX {
}
static inline uint8_t condition(Instruction& instr, bool invert = false) {
switch ((instr.alt & 7) ^ invert)
switch ((instr.mod & 7) ^ invert)
{
case 0:
return 0x96; //setbe
@@ -777,6 +785,7 @@ namespace RandomX {
INST_HANDLE(IXOR_M)
INST_HANDLE(IROR_R)
INST_HANDLE(IROL_R)
INST_HANDLE(ISWAP_R)
INST_HANDLE(FPSWAP_R)
INST_HANDLE(FPADD_R)
INST_HANDLE(FPADD_M)