Macintosh-Tools/macemu
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Add PROFILE_UNTRANSLATED_INSNS information. Interestingly, the following

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are the bottleneck now: DIVS, BSR.L (why isn't it translated yet?),
bit-field instructions (I need to self-motivate enough for that), and
A-Traps.
This commit is contained in:
gbeauche 2002-10-02 16:22:51 +00:00
parent 94a9038826
commit e9584dbcc1
1 changed files with 43 additions and 1 deletions
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42
BasiliskII/src/uae_cpu/compiler/compemu_support.cpp
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@ -45,6 +45,7 @@
#ifndef WIN32
#define PROFILE_COMPILE_TIME 1
#define PROFILE_UNTRANSLATED_INSNS 1
#endif
#ifdef WIN32
@ -69,6 +70,17 @@ static clock_t emul_start_time = 0;
static clock_t emul_end_time = 0;
#endif
#if PROFILE_UNTRANSLATED_INSNS
const int untranslated_top_ten = 20;
static uae_u32 raw_cputbl_count[65536] = { 0, };
static uae_u16 opcode_nums[65536];
static int untranslated_compfn(const void *e1, const void *e2)
{
return raw_cputbl_count[*(const uae_u16 *)e1] < raw_cputbl_count[*(const uae_u16 *)e2];
}
#endif
compop_func *compfunctbl[65536];
compop_func *nfcompfunctbl[65536];
cpuop_func *nfcpufunctbl[65536];
@ -4641,6 +4653,10 @@ void compiler_init(void)
initialized = true;
#if PROFILE_UNTRANSLATED_INSNS
write_log("<JIT compiler> : gather statistics on untranslated insns count\n");
#endif
#if PROFILE_COMPILE_TIME
write_log("<JIT compiler> : gather statistics on translation time\n");
emul_start_time = clock();
@ -4674,6 +4690,28 @@ void compiler_exit(void)
100.0*double(compile_time)/double(emul_time));
write_log("\n");
#endif
#if PROFILE_UNTRANSLATED_INSNS
uae_u64 untranslated_count = 0;
for (int i = 0; i < 65536; i++) {
opcode_nums[i] = i;
untranslated_count += raw_cputbl_count[i];
}
write_log("Sorting out untranslated instructions count...\n");
qsort(opcode_nums, 65536, sizeof(uae_u16), untranslated_compfn);
write_log("\nRank Opc Count Name\n");
for (int i = 0; i < untranslated_top_ten; i++) {
uae_u32 count = raw_cputbl_count[opcode_nums[i]];
struct instr *dp;
struct mnemolookup *lookup;
if (!count)
break;
dp = table68k + opcode_nums[i];
for (lookup = lookuptab; lookup->mnemo != dp->mnemo; lookup++)
;
write_log("%03d: %04x %10lu %s\n", i, opcode_nums[i], count, lookup->name);
}
#endif
}
bool compiler_use_jit(void)
@ -6152,6 +6190,10 @@ static void compile_block(cpu_history* pc_hist, int blocklen)
raw_mov_l_mi((uae_u32)&regs.pc_p,
(uae_u32)pc_hist[i].location);
raw_call((uae_u32)cputbl[opcode]);
#if PROFILE_UNTRANSLATED_INSNS
// raw_cputbl_count[] is indexed with plain opcode (in m68k order)
raw_add_l_mi((uae_u32)&raw_cputbl_count[cft_map(opcode)],1);
#endif
//raw_add_l_mi((uae_u32)&oink,1); // FIXME
#if USE_NORMAL_CALLING_CONVENTION
raw_inc_sp(4);