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Merge pull request #1500 from SChernykh/dev

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JIT compiler: removed unnecessary memcpy from generateProgram()
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xmrig 2020-01-14 07:59:08 +07:00 committed by GitHub
commit b5fb96dca0
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2 changed files with 11 additions and 12 deletions
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16
src/crypto/randomx/asm/program_loop_load.inc
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@ -18,11 +18,11 @@
cvtdq2pd xmm5, qword ptr [rcx+40] cvtdq2pd xmm5, qword ptr [rcx+40]
cvtdq2pd xmm6, qword ptr [rcx+48] cvtdq2pd xmm6, qword ptr [rcx+48]
cvtdq2pd xmm7, qword ptr [rcx+56] cvtdq2pd xmm7, qword ptr [rcx+56]
andps xmm4, xmm13 andpd xmm4, xmm13
andps xmm5, xmm13 andpd xmm5, xmm13
andps xmm6, xmm13 andpd xmm6, xmm13
andps xmm7, xmm13 andpd xmm7, xmm13
orps xmm4, xmm14 orpd xmm4, xmm14
orps xmm5, xmm14 orpd xmm5, xmm14
orps xmm6, xmm14 orpd xmm6, xmm14
orps xmm7, xmm14 orpd xmm7, xmm14

7
src/crypto/randomx/jit_compiler_x86.cpp
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@ -299,6 +299,7 @@ namespace randomx {
// Shift code base address to improve caching - all threads will use different L2/L3 cache sets // Shift code base address to improve caching - all threads will use different L2/L3 cache sets
code = allocatedCode + (codeOffset.fetch_add(59 * 64) % CodeSize); code = allocatedCode + (codeOffset.fetch_add(59 * 64) % CodeSize);
memcpy(code, codePrologue, prologueSize); memcpy(code, codePrologue, prologueSize);
memcpy(code + prologueSize, codeLoopLoad, loopLoadSize);
memcpy(code + epilogueOffset, codeEpilogue, epilogueSize); memcpy(code + epilogueOffset, codeEpilogue, epilogueSize);
# ifdef XMRIG_FIX_RYZEN # ifdef XMRIG_FIX_RYZEN
mainLoopBounds.first = code + prologueSize; mainLoopBounds.first = code + prologueSize;
@ -393,10 +394,8 @@ namespace randomx {
xmrig::Rx::setMainLoopBounds(mainLoopBounds); xmrig::Rx::setMainLoopBounds(mainLoopBounds);
# endif # endif
codePos = prologueSize; memcpy(code + prologueSize - 48, &pcfg.eMask, sizeof(pcfg.eMask));
memcpy(code + codePos - 48, &pcfg.eMask, sizeof(pcfg.eMask)); codePos = prologueSize + loopLoadSize;
memcpy(code + codePos, codeLoopLoad, loopLoadSize);
codePos += loopLoadSize;
//mark all registers as used //mark all registers as used
uint64_t* r = (uint64_t*)registerUsage; uint64_t* r = (uint64_t*)registerUsage;