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Revert "RandomX: rewrote dataset read code"

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This reverts commit ff82ca57f2.
This commit is contained in:
MoneroOcean
2021-05-31 16:01:50 +00:00
parent 8a1ca690eb
commit 442353b31e
10 changed files with 69 additions and 16 deletions
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17
src/crypto/randomx/jit_compiler_x86.cpp
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@@ -115,7 +115,6 @@ namespace randomx {
#define codeLoopLoad ADDR(randomx_program_loop_load)
#define codeLoopLoadXOP ADDR(randomx_program_loop_load_xop)
#define codeProgamStart ADDR(randomx_program_start)
#define codeReadDataset ADDR(randomx_program_read_dataset)
#define codeReadDatasetLightSshInit ADDR(randomx_program_read_dataset_sshash_init)
#define codeReadDatasetLightSshFin ADDR(randomx_program_read_dataset_sshash_fin)
#define codeDatasetInit ADDR(randomx_dataset_init)
@@ -136,7 +135,6 @@ namespace randomx {
#define prologueSize (codeLoopBegin - codePrologue)
#define loopLoadSize (codeLoopLoadXOP - codeLoopLoad)
#define loopLoadXOPSize (codeProgamStart - codeLoopLoadXOP)
#define readDatasetSize (codeReadDatasetLightSshInit - codeReadDataset)
#define readDatasetLightInitSize (codeReadDatasetLightSshFin - codeReadDatasetLightSshInit)
#define readDatasetLightFinSize (codeLoopStore - codeReadDatasetLightSshFin)
#define loopStoreSize (codeLoopEnd - codeLoopStore)
@@ -320,7 +318,20 @@ namespace randomx {
vm_flags = flags;
generateProgramPrologue(prog, pcfg);
emit(codeReadDataset, readDatasetSize, code, codePos);
uint8_t* p;
uint32_t n;
if (flags & RANDOMX_FLAG_AMD) {
p = RandomX_CurrentConfig.codeReadDatasetRyzenTweaked;
n = RandomX_CurrentConfig.codeReadDatasetRyzenTweakedSize;
}
else {
p = RandomX_CurrentConfig.codeReadDatasetTweaked;
n = RandomX_CurrentConfig.codeReadDatasetTweakedSize;
}
memcpy(code + codePos, p, n);
codePos += n;
generateProgramEpilogue(prog, pcfg);
}