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dyncom: Use unordered_map rather than the terrible 2-level bb_map
Seems (probably just placebo/wishful thinking) to make it slightly faster. Also reduces memory usage and makes shutdown when debugging from MSVC fast.
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@ -26,7 +26,7 @@
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#define CITRA_IGNORE_EXIT(x)
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#include <algorithm>
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#include <map>
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#include <unordered_map>
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#include <stdio.h>
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#include <assert.h>
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#include <cstdio>
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@ -3309,9 +3309,8 @@ const transop_fp_t arm_instruction_trans[] = {
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INTERPRETER_TRANSLATE(blx_1_thumb)
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};
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typedef map<unsigned int, int> bb_map;
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bb_map CreamCache[65536];
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bb_map ProfileCache[65536];
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typedef std::unordered_map<u32, int> bb_map;
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bb_map CreamCache;
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//#define USE_DUMMY_CACHE
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@ -3319,14 +3318,12 @@ bb_map ProfileCache[65536];
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unsigned int DummyCache[0x100000];
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#endif
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#define HASH(x) ((x + (x << 3) + (x >> 6)) % 65536)
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void insert_bb(unsigned int addr, int start)
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{
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#ifdef USE_DUMMY_CACHE
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DummyCache[addr] = start;
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#else
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// CreamCache[addr] = start;
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CreamCache[HASH(addr)][addr] = start;
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CreamCache[addr] = start;
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#endif
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}
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@ -3341,8 +3338,8 @@ int find_bb(unsigned int addr, int &start)
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} else
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ret = -1;
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#else
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bb_map::const_iterator it = CreamCache[HASH(addr)].find(addr);
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if (it != CreamCache[HASH(addr)].end()) {
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bb_map::const_iterator it = CreamCache.find(addr);
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if (it != CreamCache.end()) {
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start = static_cast<int>(it->second);
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ret = 0;
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#if HYBRID_MODE
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@ -3473,31 +3470,16 @@ void flush_bb(uint32_t addr)
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uint32_t start;
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addr &= 0xfffff000;
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for (int i = 0; i < 65536; i ++) {
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for (it = CreamCache[i].begin(); it != CreamCache[i].end(); ) {
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for (it = CreamCache.begin(); it != CreamCache.end(); ) {
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start = static_cast<uint32_t>(it->first);
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//start = (start >> 12) << 12;
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start &= 0xfffff000;
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if (start == addr) {
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//DEBUG_LOG(ARM11, "[ERASE][0x%08x]\n", static_cast<int>(it->first));
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CreamCache[i].erase(it ++);
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CreamCache.erase(it++);
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} else
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++it;
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}
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}
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for (int i = 0; i < 65536; i ++) {
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for (it = ProfileCache[i].begin(); it != ProfileCache[i].end(); ) {
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start = static_cast<uint32_t>(it->first);
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//start = (start >> 12) << 12;
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start &= 0xfffff000;
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if (start == addr) {
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//DEBUG_LOG(ARM11, "[ERASE][0x%08x]\n", static_cast<int>(it->first));
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ProfileCache[i].erase(it ++);
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} else
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++it;
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}
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}
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//DEBUG_LOG(ARM11, "flush bb @ %x\n", addr);
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}
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