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Merge pull request #7614 from unknownbrackets/jit-minor

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Correct savestate interaction with proxy blocks
This commit is contained in:
Henrik Rydgård 2015-03-18 17:57:58 +01:00
commit e272631bc4
1 changed files with 7 additions and 7 deletions
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14
Core/MIPS/JitCommon/JitBlockCache.cpp
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@ -75,7 +75,6 @@ using namespace Gen;
#endif
const u32 INVALID_EXIT = 0xFFFFFFFF;
const MIPSOpcode INVALID_ORIGINAL_OP = MIPSOpcode(0x00000001);
JitBlockCache::JitBlockCache(MIPSState *mips, NativeCodeBlock *codeBlock) :
mips_(mips), codeBlock_(codeBlock), blocks_(0), num_blocks_(0) {
@ -483,12 +482,13 @@ std::vector<u32> JitBlockCache::SaveAndClearEmuHackOps() {
continue;
const u32 emuhack = GetEmuHackOpForBlock(block_num).encoding;
result[block_num] = emuhack;
// The goal here is to prevent restoring it if it did not match (in case originalFirstOpcode does match.)
if (Memory::ReadUnchecked_U32(b.originalAddress) != emuhack)
b.originalFirstOpcode = INVALID_ORIGINAL_OP;
else
if (Memory::ReadUnchecked_U32(b.originalAddress) == emuhack)
{
result[block_num] = emuhack;
Memory::Write_Opcode_JIT(b.originalAddress, b.originalFirstOpcode);
}
else
result[block_num] = 0;
}
return result;
@ -502,7 +502,7 @@ void JitBlockCache::RestoreSavedEmuHackOps(std::vector<u32> saved) {
for (int block_num = 0; block_num < num_blocks_; ++block_num) {
const JitBlock &b = blocks_[block_num];
if (b.invalid)
if (b.invalid || saved[block_num] == 0)
continue;
// Only if we restored it, write it back.