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Effective address calculations now implemented by recompiled code. Up to 30% performance gain seen.

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This commit is contained in:
TomW 2014-11-30 17:48:10 +00:00
commit 4855071ead
5 changed files with 345 additions and 204 deletions
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53
src/386_dynarec.c
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@ -269,7 +269,7 @@ void x86_int_sw(int num)
void x86illegal()
{
uint16_t addr;
pclog("x86 illegal %04X %08X %04X:%08X %02X\n",msw,cr0,CS,pc,opcode);
// pclog("x86 illegal %04X %08X %04X:%08X %02X\n",msw,cr0,CS,pc,opcode);
// if (output)
// {
@ -1183,44 +1183,6 @@ void exec386(int cycs)
// output=3;
while (cycles>0)
{
int stack_check = 0;
// if ((pc & 0xf0000000) == 0x26470948)
// fatal("Bad\n");
/* if (SS != 0x30)
stack_check = 1;
if (SS == 0x30 && ESP < 0x100)
output = 3;*/
// if (stack32 && (ESP >= 2 && ESP < 0x10))
// stack_check = 1;
// if (CS == 0x117)
// output = 3;
// if (cs+pc == 0x7c00)
// output = 3;
// if (output)
// dump_block();
// if (ins > 19428567)
// output = 3;
// if (ins > 161000000)
// output = 3;
/* if (ins > 363365892)
{
if (!output)
timetolive = 15000;
output = 3;
}*/
/* if (cr0 & (1 << 31))
output = 3;
else
output = 0;*/
// if (CS == 0x28 && pc == 0x8000A89D)
// fatal("Over\n");
// if (CS == 0xFDC8 && pc == 0x00005488)
// output = 3;
// if (ins >= 265000000) output = 1;
oldcs = CS;
oldpc = pc;
oldcpl = CPL;
@ -1317,18 +1279,9 @@ void exec386(int cycs)
if (valid_block && !dirty)
{
void (*code)() = (void *)&block->data[BLOCK_START];
/* if ((cs+pc) == 0xfe771)
output = 1;*/
// if (output && pc != 0xe790 && pc != 0xe798) pclog("Calling block %i %08X for %08X %08X %08X %08X %08X %08X %02X %02X %02X %02X\n", codeblock_hash_pnt[HASH(cs + pc)], code, cs+pc, EAX, EBX, ECX, EDX, ESI, ram[0x7bd2+6],ram[0x7bd2+7],ram[0x7bd2+8],ram[0x7bd2+9]);
/* if (pc == 0xe79e)
{
fatal("Here\n");
}*/
if (output) pclog("Run block at %04x:%04x %04x %04x %04x %04x %04x %04x ESP=%08x %04x %02x%02x:%02x%02x %02x%02x:%02x%02x %02x%02x:%02x%02x %08x %08x\n", CS, pc, AX, BX, CX, DX, SI, DI, ESP, BP, ram[0x116330+0x6df4+0xa+3], ram[0x116330+0x6df4+0xa+2], ram[0x116330+0x6df4+0xa+1], ram[0x116330+0x6df4+0xa+0], ram[0x11d136+3],ram[0x11d136+2],ram[0x11d136+1],ram[0x11d136+0], ram[(0x119abe)+0x3],ram[(0x119abe)+0x2],ram[(0x119abe)+0x1],ram[(0x119abe)+0x0], get_phys(cs+pc), block->phys);
/* if (CS == 0xfef1 && pc == 0x0c07)
{
int a=1;
}*/
oldcs = CS;
oldcpl = CPL;
inrecomp=1;