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Seems block linking got too slow, speed it up again.

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Henrik Rydgard 2013-04-27 23:40:17 +02:00
parent b9f45e4530
commit 338bc0049d
1 changed files with 17 additions and 7 deletions
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24
Core/MIPS/JitCommon/JitBlockCache.cpp
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@ -195,19 +195,29 @@ void JitBlockCache::FinalizeBlock(int block_num, bool block_link)
#endif #endif
} }
int binary_search(JitBlock blocks[], const u8 *baseoff, int imin, int imax)
{
while (imin < imax)
{
int imid = (imin + imax) / 2;
if (blocks[imid].normalEntry < baseoff)
imin = imid + 1;
else
imax = imid;
}
if ((imax == imin) && (blocks[imin].normalEntry == baseoff))
return imin;
else
return -1;
}
int JitBlockCache::GetBlockNumberFromEmuHackOp(u32 inst) const { int JitBlockCache::GetBlockNumberFromEmuHackOp(u32 inst) const {
if (!num_blocks || !MIPS_IS_EMUHACK(inst)) // definitely not a JIT block if (!num_blocks || !MIPS_IS_EMUHACK(inst)) // definitely not a JIT block
return -1; return -1;
int off = (inst & MIPS_EMUHACK_VALUE_MASK); int off = (inst & MIPS_EMUHACK_VALUE_MASK);
const u8 *baseoff = codeBlock_->GetBasePtr() + off; const u8 *baseoff = codeBlock_->GetBasePtr() + off;
// TODO: Needs smarter search (binary). This code is not really hot though. return binary_search(blocks, baseoff, 0, num_blocks-1);
for (int i = num_blocks - 1; i >= 0; i--) {
if (blocks[i].normalEntry == baseoff && !blocks[i].invalid) {
return i;
}
}
return -1;
} }
u32 JitBlockCache::GetEmuHackOpForBlock(int blockNum) const { u32 JitBlockCache::GetEmuHackOpForBlock(int blockNum) const {