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wince: better sh4 instr cycle counting. Don't hash blocks if mmu on 

Use actual instr latency cycles, including fp instr
Decrease the WinCE boost ratio to 1.2
Don't hash blocks when mmu on
This commit is contained in:
Flyinghead 2019-05-14 12:38:56 +02:00
parent 7f2fcfde6f
commit 2434d0183e
1 changed files with 12 additions and 5 deletions
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17
core/hw/sh4/dyna/decoder.cpp
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@ -1072,10 +1072,17 @@ bool dec_DecodeBlock(RuntimeBlockInfo* rbi,u32 max_cycles)
else
{
blk->guest_opcodes++;
if (op>=0xF000)
blk->guest_cycles+=0;
if (!mmu_enabled())
{
if (op>=0xF000)
blk->guest_cycles+=0;
else
blk->guest_cycles+=CPU_RATIO;
}
else
blk->guest_cycles+=CPU_RATIO;
{
blk->guest_cycles += max((int)OpDesc[op]->LatencyCycles, 1);
}
if (OpDesc[op]->IsFloatingPoint())
{
if (sr.FD == 1)
@ -1158,7 +1165,7 @@ _end:
if (settings.dynarec.idleskip)
{
//Experimental hash-id based idle skip
if (strstr(idle_hash,blk->hash(false,true))) // FIXME don't hash temp blocks. Use xxhash instead of sha1
if (!mmu_enabled() && strstr(idle_hash,blk->hash(false,true))) // FIXME Use xxhash instead of sha1
{
//printf("IDLESKIP: %08X reloc match %s\n",blk->addr,blk->hash(false,true));
blk->guest_cycles=max_cycles*100;
@ -1203,7 +1210,7 @@ _end:
}
// Win CE boost
if (mmu_enabled())
blk->guest_cycles *= 2;
blk->guest_cycles *= 1.2f;
//make sure we don't use wayy-too-many cycles
blk->guest_cycles=min(blk->guest_cycles,max_cycles);