piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2025-07-23 06:10:03 -06:00
Code Issues Packages Projects Releases Wiki Activity

use instr hash as key for restore candidates

Browse Source 
makes Golden Sun burn a little slower through the JIT memory
This commit is contained in:
RSDuck
2020-05-09 14:36:18 +02:00
parent 5a0b568647
commit d91bbec08f
1 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/ARMJIT.cpp
View File

@ -1042,13 +1042,13 @@ void CompileBlock(ARM* cpu)
u32 literalHash = (u32)XXH3_64bits(literalValues, numLiterals * 4); u32 literalHash = (u32)XXH3_64bits(literalValues, numLiterals * 4);
u32 instrHash = (u32)XXH3_64bits(instrValues, i * 4); u32 instrHash = (u32)XXH3_64bits(instrValues, i * 4);
JitBlock* prevBlock = RestoreCandidates.LookUp(pseudoPhysicalAddr); JitBlock* prevBlock = RestoreCandidates.LookUp(instrHash);
bool mayRestore = true; bool mayRestore = true;
if (prevBlock) if (prevBlock)
{ {
RestoreCandidates.Remove(pseudoPhysicalAddr); RestoreCandidates.Remove(instrHash);
mayRestore = prevBlock->LiteralHash == literalHash && prevBlock->InstrHash == instrHash; mayRestore = prevBlock->PseudoPhysicalAddr == pseudoPhysicalAddr && prevBlock->LiteralHash == literalHash;
if (mayRestore && prevBlock->NumAddresses == numAddressRanges) if (mayRestore && prevBlock->NumAddresses == numAddressRanges)
{ {
@ -1125,6 +1125,7 @@ void CompileBlock(ARM* cpu)
void InvalidateByAddr(u32 pseudoPhysical) void InvalidateByAddr(u32 pseudoPhysical)
{ {
JIT_DEBUGPRINT("invalidating by addr %x\n", pseudoPhysical); JIT_DEBUGPRINT("invalidating by addr %x\n", pseudoPhysical);
AddressRange* range = &CodeRanges[pseudoPhysical / 512]; AddressRange* range = &CodeRanges[pseudoPhysical / 512];
u32 mask = 1 << ((pseudoPhysical & 0x1FF) / 16); u32 mask = 1 << ((pseudoPhysical & 0x1FF) / 16);
@ -1203,7 +1204,7 @@ void InvalidateByAddr(u32 pseudoPhysical)
if (!literalInvalidation) if (!literalInvalidation)
{ {
JitBlock* prevBlock = RestoreCandidates.Insert(block->PseudoPhysicalAddr, block); JitBlock* prevBlock = RestoreCandidates.Insert(block->InstrHash, block);
if (prevBlock) if (prevBlock)
delete prevBlock; delete prevBlock;
} }