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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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50
src/x86_ops_shift.h
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@ -16,7 +16,7 @@
flags &= ~(C_FLAG | V_FLAG); \
if (temp2) flags |= C_FLAG; \
if ((flags & C_FLAG) ^ (temp >> 7)) flags |= V_FLAG; \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
case 0x08: /*ROR b,CL*/ \
while (c > 0) \
@ -30,7 +30,7 @@
flags &= ~(C_FLAG | V_FLAG); \
if (temp2) flags |= C_FLAG; \
if ((temp ^ (temp >> 1)) & 0x40) flags |= V_FLAG; \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
case 0x10: /*RCL b,CL*/ \
temp2 = flags & C_FLAG; \
@ -46,7 +46,7 @@
flags &= ~(C_FLAG | V_FLAG); \
if (temp2) flags |= C_FLAG; \
if ((flags & C_FLAG) ^ (temp >> 7)) flags |= V_FLAG; \
CLOCK_CYCLES((mod == 3) ? 9 : 10); \
CLOCK_CYCLES((cpu_mod == 3) ? 9 : 10); \
break; \
case 0x18: /*RCR b,CL*/ \
temp2 = flags & C_FLAG; \
@ -62,23 +62,23 @@
flags &= ~(C_FLAG | V_FLAG); \
if (temp2) flags |= C_FLAG; \
if ((temp ^ (temp >> 1)) & 0x40) flags |= V_FLAG; \
CLOCK_CYCLES((mod == 3) ? 9 : 10); \
CLOCK_CYCLES((cpu_mod == 3) ? 9 : 10); \
break; \
case 0x20: case 0x30: /*SHL b,CL*/ \
seteab(temp << c); if (abrt) return 1; \
set_flags_shift(FLAGS_SHL8, temp_orig, c, (temp << c) & 0xff); \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
case 0x28: /*SHR b,CL*/ \
seteab(temp >> c); if (abrt) return 1; \
set_flags_shift(FLAGS_SHR8, temp_orig, c, temp >> c); \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
case 0x38: /*SAR b,CL*/ \
temp = (int8_t)temp >> c; \
seteab(temp); if (abrt) return 1; \
set_flags_shift(FLAGS_SAR8, temp_orig, c, temp); \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
} \
}
@ -101,7 +101,7 @@
flags &= ~(C_FLAG | V_FLAG); \
if (temp2) flags |= C_FLAG; \
if ((flags & C_FLAG) ^ (temp >> 15)) flags |= V_FLAG; \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
case 0x08: /*ROR w, c*/ \
while (c > 0) \
@ -115,7 +115,7 @@
flags &= ~(C_FLAG | V_FLAG); \
if (temp2) flags |= C_FLAG; \
if ((temp ^ (temp >> 1)) & 0x4000) flags |= V_FLAG; \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
case 0x10: /*RCL w, c*/ \
temp2 = flags & C_FLAG; \
@ -131,7 +131,7 @@
flags &= ~(C_FLAG | V_FLAG); \
if (temp2) flags |= C_FLAG; \
if ((flags & C_FLAG) ^ (temp >> 15)) flags |= V_FLAG; \
CLOCK_CYCLES((mod == 3) ? 9 : 10); \
CLOCK_CYCLES((cpu_mod == 3) ? 9 : 10); \
break; \
case 0x18: /*RCR w, c*/ \
temp2 = flags & C_FLAG; \
@ -147,23 +147,23 @@
flags &= ~(C_FLAG | V_FLAG); \
if (temp2) flags |= C_FLAG; \
if ((temp ^ (temp >> 1)) & 0x4000) flags |= V_FLAG; \
CLOCK_CYCLES((mod == 3) ? 9 : 10); \
CLOCK_CYCLES((cpu_mod == 3) ? 9 : 10); \
break; \
case 0x20: case 0x30: /*SHL w, c*/ \
seteaw(temp << c); if (abrt) return 1; \
set_flags_shift(FLAGS_SHL16, temp_orig, c, (temp << c) & 0xffff); \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
case 0x28: /*SHR w, c*/ \
seteaw(temp >> c); if (abrt) return 1; \
set_flags_shift(FLAGS_SHR16, temp_orig, c, temp >> c); \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
case 0x38: /*SAR w, c*/ \
temp = (int16_t)temp >> c; \
seteaw(temp); if (abrt) return 1; \
set_flags_shift(FLAGS_SAR16, temp_orig, c, temp); \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
} \
}
@ -186,7 +186,7 @@
flags &= ~(C_FLAG | V_FLAG); \
if (temp2) flags |= C_FLAG; \
if ((flags & C_FLAG) ^ (temp >> 31)) flags |= V_FLAG; \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
case 0x08: /*ROR l, c*/ \
while (c > 0) \
@ -200,7 +200,7 @@
flags &= ~(C_FLAG | V_FLAG); \
if (temp2) flags |= C_FLAG; \
if ((temp ^ (temp >> 1)) & 0x40000000) flags |= V_FLAG; \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
case 0x10: /*RCL l, c*/ \
temp2 = CF_SET(); \
@ -216,7 +216,7 @@
flags &= ~(C_FLAG | V_FLAG); \
if (temp2) flags |= C_FLAG; \
if ((flags & C_FLAG) ^ (temp >> 31)) flags |= V_FLAG; \
CLOCK_CYCLES((mod == 3) ? 9 : 10); \
CLOCK_CYCLES((cpu_mod == 3) ? 9 : 10); \
break; \
case 0x18: /*RCR l, c*/ \
temp2 = flags & C_FLAG; \
@ -232,23 +232,23 @@
flags &= ~(C_FLAG | V_FLAG); \
if (temp2) flags |= C_FLAG; \
if ((temp ^ (temp >> 1)) & 0x40000000) flags |= V_FLAG; \
CLOCK_CYCLES((mod == 3) ? 9 : 10); \
CLOCK_CYCLES((cpu_mod == 3) ? 9 : 10); \
break; \
case 0x20: case 0x30: /*SHL l, c*/ \
seteal(temp << c); if (abrt) return 1; \
set_flags_shift(FLAGS_SHL32, temp_orig, c, temp << c); \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
case 0x28: /*SHR l, c*/ \
seteal(temp >> c); if (abrt) return 1; \
set_flags_shift(FLAGS_SHR32, temp_orig, c, temp >> c); \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
case 0x38: /*SAR l, c*/ \
temp = (int32_t)temp >> c; \
seteal(temp); if (abrt) return 1; \
set_flags_shift(FLAGS_SAR32, temp_orig, c, temp); \
CLOCK_CYCLES((mod == 3) ? 3 : 7); \
CLOCK_CYCLES((cpu_mod == 3) ? 3 : 7); \
break; \
} \
}
@ -472,7 +472,7 @@ static int opD3_l_a32(uint32_t fetchdat)
{ \
uint16_t tempw = geteaw(); if (abrt) return 1; \
int tempc = ((tempw << (count - 1)) & (1 << 15)) ? 1 : 0; \
uint32_t templ = (tempw << 16) | cpu_state.regs[reg].w; \
uint32_t templ = (tempw << 16) | cpu_state.regs[cpu_reg].w; \
if (count <= 16) tempw = templ >> (16 - count); \
else tempw = (templ << count) >> 16; \
seteaw(tempw); if (abrt) return 1; \
@ -486,7 +486,7 @@ static int opD3_l_a32(uint32_t fetchdat)
{ \
uint32_t templ = geteal(); if (abrt) return 1; \
int tempc = ((templ << (count - 1)) & (1 << 31)) ? 1 : 0; \
templ = (templ << count) | (cpu_state.regs[reg].l >> (32 - count)); \
templ = (templ << count) | (cpu_state.regs[cpu_reg].l >> (32 - count)); \
seteal(templ); if (abrt) return 1; \
setznp32(templ); \
flags_rebuild(); \
@ -499,7 +499,7 @@ static int opD3_l_a32(uint32_t fetchdat)
{ \
uint16_t tempw = geteaw(); if (abrt) return 1; \
int tempc = (tempw >> (count - 1)) & 1; \
uint32_t templ = tempw | (cpu_state.regs[reg].w << 16); \
uint32_t templ = tempw | (cpu_state.regs[cpu_reg].w << 16); \
tempw = templ >> count; \
seteaw(tempw); if (abrt) return 1; \
setznp16(tempw); \
@ -512,7 +512,7 @@ static int opD3_l_a32(uint32_t fetchdat)
{ \
uint32_t templ = geteal(); if (abrt) return 1; \
int tempc = (templ >> (count - 1)) & 1; \
templ = (templ >> count) | (cpu_state.regs[reg].l << (32 - count)); \
templ = (templ >> count) | (cpu_state.regs[cpu_reg].l << (32 - count)); \
seteal(templ); if (abrt) return 1; \
setznp32(templ); \
flags_rebuild(); \