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Pack decoded ModR/M data into a single word - minor recompiler speedup.

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This commit is contained in:
SarahW 2016-08-14 16:29:54 +01:00
commit 535604b760
34 changed files with 1263 additions and 1270 deletions
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64
src/x86_ops_misc.h
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@ -52,17 +52,17 @@ static int opF6_a16(uint32_t fetchdat)
case 0x00: /*TEST b,#8*/
src = readmemb(cs, cpu_state.pc); cpu_state.pc++; if (abrt) return 1;
setznp8(src & dst);
if (is486) CLOCK_CYCLES((mod == 3) ? 1 : 2);
else CLOCK_CYCLES((mod == 3) ? 2 : 5);
if (is486) CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
break;
case 0x10: /*NOT b*/
seteab(~dst); if (abrt) return 1;
CLOCK_CYCLES((mod == 3) ? timing_rr : timing_mm);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mm);
break;
case 0x18: /*NEG b*/
seteab(0 - dst); if (abrt) return 1;
setsub8(0, dst);
CLOCK_CYCLES((mod == 3) ? timing_rr : timing_mm);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mm);
break;
case 0x20: /*MUL AL,b*/
AX = AL * dst;
@ -142,17 +142,17 @@ static int opF6_a32(uint32_t fetchdat)
case 0x00: /*TEST b,#8*/
src = readmemb(cs, cpu_state.pc); cpu_state.pc++; if (abrt) return 1;
setznp8(src & dst);
if (is486) CLOCK_CYCLES((mod == 3) ? 1 : 2);
else CLOCK_CYCLES((mod == 3) ? 2 : 5);
if (is486) CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
break;
case 0x10: /*NOT b*/
seteab(~dst); if (abrt) return 1;
CLOCK_CYCLES((mod == 3) ? timing_rr : timing_mm);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mm);
break;
case 0x18: /*NEG b*/
seteab(0 - dst); if (abrt) return 1;
setsub8(0, dst);
CLOCK_CYCLES((mod == 3) ? timing_rr : timing_mm);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mm);
break;
case 0x20: /*MUL AL,b*/
AX = AL * dst;
@ -235,17 +235,17 @@ static int opF7_w_a16(uint32_t fetchdat)
case 0x00: /*TEST w*/
src = getword(); if (abrt) return 1;
setznp16(src & dst);
if (is486) CLOCK_CYCLES((mod == 3) ? 1 : 2);
else CLOCK_CYCLES((mod == 3) ? 2 : 5);
if (is486) CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
break;
case 0x10: /*NOT w*/
seteaw(~dst); if (abrt) return 1;
CLOCK_CYCLES((mod == 3) ? timing_rr : timing_mm);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mm);
break;
case 0x18: /*NEG w*/
seteaw(0 - dst); if (abrt) return 1;
setsub16(0, dst);
CLOCK_CYCLES((mod == 3) ? timing_rr : timing_mm);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mm);
break;
case 0x20: /*MUL AX,w*/
templ = AX * dst;
@ -321,17 +321,17 @@ static int opF7_w_a32(uint32_t fetchdat)
case 0x00: /*TEST w*/
src = getword(); if (abrt) return 1;
setznp16(src & dst);
if (is486) CLOCK_CYCLES((mod == 3) ? 1 : 2);
else CLOCK_CYCLES((mod == 3) ? 2 : 5);
if (is486) CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
break;
case 0x10: /*NOT w*/
seteaw(~dst); if (abrt) return 1;
CLOCK_CYCLES((mod == 3) ? timing_rr : timing_mm);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mm);
break;
case 0x18: /*NEG w*/
seteaw(0 - dst); if (abrt) return 1;
setsub16(0, dst);
CLOCK_CYCLES((mod == 3) ? timing_rr : timing_mm);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mm);
break;
case 0x20: /*MUL AX,w*/
templ = AX * dst;
@ -407,17 +407,17 @@ static int opF7_l_a16(uint32_t fetchdat)
case 0x00: /*TEST l*/
src = getlong(); if (abrt) return 1;
setznp32(src & dst);
if (is486) CLOCK_CYCLES((mod == 3) ? 1 : 2);
else CLOCK_CYCLES((mod == 3) ? 2 : 5);
if (is486) CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
break;
case 0x10: /*NOT l*/
seteal(~dst); if (abrt) return 1;
CLOCK_CYCLES((mod == 3) ? timing_rr : timing_mml);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mml);
break;
case 0x18: /*NEG l*/
seteal(0 - dst); if (abrt) return 1;
setsub32(0, dst);
CLOCK_CYCLES((mod == 3) ? timing_rr : timing_mml);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mml);
break;
case 0x20: /*MUL EAX,l*/
temp64 = (uint64_t)EAX * (uint64_t)dst;
@ -469,17 +469,17 @@ static int opF7_l_a32(uint32_t fetchdat)
case 0x00: /*TEST l*/
src = getlong(); if (abrt) return 1;
setznp32(src & dst);
if (is486) CLOCK_CYCLES((mod == 3) ? 1 : 2);
else CLOCK_CYCLES((mod == 3) ? 2 : 5);
if (is486) CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
break;
case 0x10: /*NOT l*/
seteal(~dst); if (abrt) return 1;
CLOCK_CYCLES((mod == 3) ? timing_rr : timing_mml);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mml);
break;
case 0x18: /*NEG l*/
seteal(0 - dst); if (abrt) return 1;
setsub32(0, dst);
CLOCK_CYCLES((mod == 3) ? timing_rr : timing_mml);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mml);
break;
case 0x20: /*MUL EAX,l*/
temp64 = (uint64_t)EAX * (uint64_t)dst;
@ -558,11 +558,11 @@ static int opBOUND_w_a16(uint32_t fetchdat)
int16_t low, high;
fetch_ea_16(fetchdat);
ILLEGAL_ON(mod == 3);
ILLEGAL_ON(cpu_mod == 3);
low = geteaw();
high = readmemw(easeg, eaaddr + 2); if (abrt) return 1;
if (((int16_t)cpu_state.regs[reg].w < low) || ((int16_t)cpu_state.regs[reg].w > high))
if (((int16_t)cpu_state.regs[cpu_reg].w < low) || ((int16_t)cpu_state.regs[cpu_reg].w > high))
{
x86_int(5);
return 1;
@ -576,11 +576,11 @@ static int opBOUND_w_a32(uint32_t fetchdat)
int16_t low, high;
fetch_ea_32(fetchdat);
ILLEGAL_ON(mod == 3);
ILLEGAL_ON(cpu_mod == 3);
low = geteaw();
high = readmemw(easeg, eaaddr + 2); if (abrt) return 1;
if (((int16_t)cpu_state.regs[reg].w < low) || ((int16_t)cpu_state.regs[reg].w > high))
if (((int16_t)cpu_state.regs[cpu_reg].w < low) || ((int16_t)cpu_state.regs[cpu_reg].w > high))
{
x86_int(5);
return 1;
@ -595,11 +595,11 @@ static int opBOUND_l_a16(uint32_t fetchdat)
int32_t low, high;
fetch_ea_16(fetchdat);
ILLEGAL_ON(mod == 3);
ILLEGAL_ON(cpu_mod == 3);
low = geteal();
high = readmeml(easeg, eaaddr + 4); if (abrt) return 1;
if (((int32_t)cpu_state.regs[reg].l < low) || ((int32_t)cpu_state.regs[reg].l > high))
if (((int32_t)cpu_state.regs[cpu_reg].l < low) || ((int32_t)cpu_state.regs[cpu_reg].l > high))
{
x86_int(5);
return 1;
@ -613,11 +613,11 @@ static int opBOUND_l_a32(uint32_t fetchdat)
int32_t low, high;
fetch_ea_32(fetchdat);
ILLEGAL_ON(mod == 3);
ILLEGAL_ON(cpu_mod == 3);
low = geteal();
high = readmeml(easeg, eaaddr + 4); if (abrt) return 1;
if (((int32_t)cpu_state.regs[reg].l < low) || ((int32_t)cpu_state.regs[reg].l > high))
if (((int32_t)cpu_state.regs[cpu_reg].l < low) || ((int32_t)cpu_state.regs[cpu_reg].l > high))
{
x86_int(5);
return 1;