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Enabled IMUL_RCP optimization for light mode mining

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Better fix for #2377
This commit is contained in:
SChernykh 2021-05-17 11:26:40 +02:00
parent 8bf88a4e74
commit 9b1f020a8b
6 changed files with 8 additions and 14 deletions
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10
src/crypto/randomx/jit_compiler_x86.cpp
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@ -320,7 +320,7 @@ namespace randomx {
vm_flags = flags;
generateProgramPrologue(prog, pcfg, false);
generateProgramPrologue(prog, pcfg);
uint8_t* p;
uint32_t n;
@ -339,8 +339,8 @@ namespace randomx {
}
void JitCompilerX86::generateProgramLight(Program& prog, ProgramConfiguration& pcfg, uint32_t datasetOffset) {
generateProgramPrologue(prog, pcfg, true);
emit(RandomX_CurrentConfig.codeReadDatasetLightSshInitTweaked, readDatasetLightInitSize, code, codePos);
generateProgramPrologue(prog, pcfg);
emit(codeReadDatasetLightSshInit, readDatasetLightInitSize, code, codePos);
*(uint32_t*)(code + codePos) = 0xc381;
codePos += 2;
emit32(datasetOffset / CacheLineSize, code, codePos);
@ -415,7 +415,7 @@ namespace randomx {
}
}
void JitCompilerX86::generateProgramPrologue(Program& prog, ProgramConfiguration& pcfg, bool light) {
void JitCompilerX86::generateProgramPrologue(Program& prog, ProgramConfiguration& pcfg) {
codePos = ADDR(randomx_program_prologue_first_load) - ADDR(randomx_program_prologue);
*(uint32_t*)(code + codePos + 4) = RandomX_CurrentConfig.ScratchpadL3Mask64_Calculated;
*(uint32_t*)(code + codePos + 14) = RandomX_CurrentConfig.ScratchpadL3Mask64_Calculated;
@ -429,7 +429,7 @@ namespace randomx {
# endif
imul_rcp_storage = code + (ADDR(randomx_program_imul_rcp_store) - codePrologue) + 2;
imul_rcp_storage_used = light ? 0xFFFFFFFFUL : 0;
imul_rcp_storage_used = 0;
memcpy(imul_rcp_storage - 34, &pcfg.eMask, sizeof(pcfg.eMask));
codePos = codePosFirst;