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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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76
src/x86_ops_atomic.h
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@ -9,11 +9,11 @@ static int opCMPXCHG_b_a16(uint32_t fetchdat)
}
fetch_ea_16(fetchdat);
temp = geteab(); if (abrt) return 1;
if (AL == temp) seteab(getr8(reg));
if (AL == temp) seteab(getr8(cpu_reg));
else AL = temp;
if (abrt) return 1;
setsub8(temp2, temp);
CLOCK_CYCLES((mod == 3) ? 6 : 10);
CLOCK_CYCLES((cpu_mod == 3) ? 6 : 10);
return 0;
}
static int opCMPXCHG_b_a32(uint32_t fetchdat)
@ -27,11 +27,11 @@ static int opCMPXCHG_b_a32(uint32_t fetchdat)
}
fetch_ea_32(fetchdat);
temp = geteab(); if (abrt) return 1;
if (AL == temp) seteab(getr8(reg));
if (AL == temp) seteab(getr8(cpu_reg));
else AL = temp;
if (abrt) return 1;
setsub8(temp2, temp);
CLOCK_CYCLES((mod == 3) ? 6 : 10);
CLOCK_CYCLES((cpu_mod == 3) ? 6 : 10);
return 0;
}
@ -46,11 +46,11 @@ static int opCMPXCHG_w_a16(uint32_t fetchdat)
}
fetch_ea_16(fetchdat);
temp = geteaw(); if (abrt) return 1;
if (AX == temp) seteaw(cpu_state.regs[reg].w);
if (AX == temp) seteaw(cpu_state.regs[cpu_reg].w);
else AX = temp;
if (abrt) return 1;
setsub16(temp2, temp);
CLOCK_CYCLES((mod == 3) ? 6 : 10);
CLOCK_CYCLES((cpu_mod == 3) ? 6 : 10);
return 0;
}
static int opCMPXCHG_w_a32(uint32_t fetchdat)
@ -64,11 +64,11 @@ static int opCMPXCHG_w_a32(uint32_t fetchdat)
}
fetch_ea_32(fetchdat);
temp = geteaw(); if (abrt) return 1;
if (AX == temp) seteaw(cpu_state.regs[reg].w);
if (AX == temp) seteaw(cpu_state.regs[cpu_reg].w);
else AX = temp;
if (abrt) return 1;
setsub16(temp2, temp);
CLOCK_CYCLES((mod == 3) ? 6 : 10);
CLOCK_CYCLES((cpu_mod == 3) ? 6 : 10);
return 0;
}
@ -83,11 +83,11 @@ static int opCMPXCHG_l_a16(uint32_t fetchdat)
}
fetch_ea_16(fetchdat);
temp = geteal(); if (abrt) return 1;
if (EAX == temp) seteal(cpu_state.regs[reg].l);
if (EAX == temp) seteal(cpu_state.regs[cpu_reg].l);
else EAX = temp;
if (abrt) return 1;
setsub32(temp2, temp);
CLOCK_CYCLES((mod == 3) ? 6 : 10);
CLOCK_CYCLES((cpu_mod == 3) ? 6 : 10);
return 0;
}
static int opCMPXCHG_l_a32(uint32_t fetchdat)
@ -101,11 +101,11 @@ static int opCMPXCHG_l_a32(uint32_t fetchdat)
}
fetch_ea_32(fetchdat);
temp = geteal(); if (abrt) return 1;
if (EAX == temp) seteal(cpu_state.regs[reg].l);
if (EAX == temp) seteal(cpu_state.regs[cpu_reg].l);
else EAX = temp;
if (abrt) return 1;
setsub32(temp2, temp);
CLOCK_CYCLES((mod == 3) ? 6 : 10);
CLOCK_CYCLES((cpu_mod == 3) ? 6 : 10);
return 0;
}
@ -137,7 +137,7 @@ static int opCMPXCHG8B_a16(uint32_t fetchdat)
flags |= Z_FLAG;
else
flags &= ~Z_FLAG;
cycles -= (mod == 3) ? 6 : 10;
cycles -= (cpu_mod == 3) ? 6 : 10;
return 0;
}
static int opCMPXCHG8B_a32(uint32_t fetchdat)
@ -168,7 +168,7 @@ static int opCMPXCHG8B_a32(uint32_t fetchdat)
flags |= Z_FLAG;
else
flags &= ~Z_FLAG;
cycles -= (mod == 3) ? 6 : 10;
cycles -= (cpu_mod == 3) ? 6 : 10;
return 0;
}
@ -183,10 +183,10 @@ static int opXADD_b_a16(uint32_t fetchdat)
}
fetch_ea_16(fetchdat);
temp = geteab(); if (abrt) return 1;
seteab(temp + getr8(reg)); if (abrt) return 1;
setadd8(temp, getr8(reg));
setr8(reg, temp);
CLOCK_CYCLES((mod == 3) ? 3 : 4);
seteab(temp + getr8(cpu_reg)); if (abrt) return 1;
setadd8(temp, getr8(cpu_reg));
setr8(cpu_reg, temp);
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 4);
return 0;
}
static int opXADD_b_a32(uint32_t fetchdat)
@ -200,10 +200,10 @@ static int opXADD_b_a32(uint32_t fetchdat)
}
fetch_ea_32(fetchdat);
temp = geteab(); if (abrt) return 1;
seteab(temp + getr8(reg)); if (abrt) return 1;
setadd8(temp, getr8(reg));
setr8(reg, temp);
CLOCK_CYCLES((mod == 3) ? 3 : 4);
seteab(temp + getr8(cpu_reg)); if (abrt) return 1;
setadd8(temp, getr8(cpu_reg));
setr8(cpu_reg, temp);
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 4);
return 0;
}
@ -218,10 +218,10 @@ static int opXADD_w_a16(uint32_t fetchdat)
}
fetch_ea_16(fetchdat);
temp = geteaw(); if (abrt) return 1;
seteaw(temp + cpu_state.regs[reg].w); if (abrt) return 1;
setadd16(temp, cpu_state.regs[reg].w);
cpu_state.regs[reg].w = temp;
CLOCK_CYCLES((mod == 3) ? 3 : 4);
seteaw(temp + cpu_state.regs[cpu_reg].w); if (abrt) return 1;
setadd16(temp, cpu_state.regs[cpu_reg].w);
cpu_state.regs[cpu_reg].w = temp;
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 4);
return 0;
}
static int opXADD_w_a32(uint32_t fetchdat)
@ -235,10 +235,10 @@ static int opXADD_w_a32(uint32_t fetchdat)
}
fetch_ea_32(fetchdat);
temp = geteaw(); if (abrt) return 1;
seteaw(temp + cpu_state.regs[reg].w); if (abrt) return 1;
setadd16(temp, cpu_state.regs[reg].w);
cpu_state.regs[reg].w = temp;
CLOCK_CYCLES((mod == 3) ? 3 : 4);
seteaw(temp + cpu_state.regs[cpu_reg].w); if (abrt) return 1;
setadd16(temp, cpu_state.regs[cpu_reg].w);
cpu_state.regs[cpu_reg].w = temp;
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 4);
return 0;
}
@ -253,10 +253,10 @@ static int opXADD_l_a16(uint32_t fetchdat)
}
fetch_ea_16(fetchdat);
temp = geteal(); if (abrt) return 1;
seteal(temp + cpu_state.regs[reg].l); if (abrt) return 1;
setadd32(temp, cpu_state.regs[reg].l);
cpu_state.regs[reg].l = temp;
CLOCK_CYCLES((mod == 3) ? 3 : 4);
seteal(temp + cpu_state.regs[cpu_reg].l); if (abrt) return 1;
setadd32(temp, cpu_state.regs[cpu_reg].l);
cpu_state.regs[cpu_reg].l = temp;
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 4);
return 0;
}
static int opXADD_l_a32(uint32_t fetchdat)
@ -270,9 +270,9 @@ static int opXADD_l_a32(uint32_t fetchdat)
}
fetch_ea_32(fetchdat);
temp = geteal(); if (abrt) return 1;
seteal(temp + cpu_state.regs[reg].l); if (abrt) return 1;
setadd32(temp, cpu_state.regs[reg].l);
cpu_state.regs[reg].l = temp;
CLOCK_CYCLES((mod == 3) ? 3 : 4);
seteal(temp + cpu_state.regs[cpu_reg].l); if (abrt) return 1;
setadd32(temp, cpu_state.regs[cpu_reg].l);
cpu_state.regs[cpu_reg].l = temp;
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 4);
return 0;
}