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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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84
src/x86_ops_mov.h
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@ -358,15 +358,14 @@ static int opXLAT_a32(uint32_t fetchdat)
static int opMOV_b_r_a16(uint32_t fetchdat)
{
if ((uint8_t)fetchdat >= 0xc0)
fetch_ea_16(fetchdat);
if (mod == 3)
{
pc++;
setr8(fetchdat & 7, getr8((fetchdat >> 3) & 7));
setr8(rm, getr8(reg));
CLOCK_CYCLES(timing_rr);
}
else
{
fetch_ea_16(fetchdat);
CHECK_WRITE(ea_seg, eaaddr, eaaddr);
seteab(getr8(reg));
CLOCK_CYCLES(is486 ? 1 : 2);
@ -375,15 +374,14 @@ static int opMOV_b_r_a16(uint32_t fetchdat)
}
static int opMOV_b_r_a32(uint32_t fetchdat)
{
if ((uint8_t)fetchdat >= 0xc0)
fetch_ea_32(fetchdat);
if (mod == 3)
{
pc++;
setr8(fetchdat & 7, getr8((fetchdat >> 3) & 7));
setr8(rm, getr8(reg));
CLOCK_CYCLES(timing_rr);
}
else
{
fetch_ea_32(fetchdat);
CHECK_WRITE(ea_seg, eaaddr, eaaddr);
seteab(getr8(reg));
CLOCK_CYCLES(is486 ? 1 : 2);
@ -392,15 +390,14 @@ static int opMOV_b_r_a32(uint32_t fetchdat)
}
static int opMOV_w_r_a16(uint32_t fetchdat)
{
if ((uint8_t)fetchdat >= 0xc0)
fetch_ea_16(fetchdat);
if (mod == 3)
{
pc++;
regs[fetchdat & 7].w = regs[(fetchdat >> 3) & 7].w;
regs[rm].w = regs[reg].w;
CLOCK_CYCLES(timing_rr);
}
else
{
fetch_ea_16(fetchdat);
CHECK_WRITE(ea_seg, eaaddr, eaaddr+1);
seteaw(regs[reg].w);
CLOCK_CYCLES(is486 ? 1 : 2);
@ -409,15 +406,14 @@ static int opMOV_w_r_a16(uint32_t fetchdat)
}
static int opMOV_w_r_a32(uint32_t fetchdat)
{
if ((uint8_t)fetchdat >= 0xc0)
fetch_ea_32(fetchdat);
if (mod == 3)
{
pc++;
regs[fetchdat & 7].w = regs[(fetchdat >> 3) & 7].w;
regs[rm].w = regs[reg].w;
CLOCK_CYCLES(timing_rr);
}
else
{
fetch_ea_32(fetchdat);
CHECK_WRITE(ea_seg, eaaddr, eaaddr+1);
seteaw(regs[reg].w);
CLOCK_CYCLES(is486 ? 1 : 2);
@ -426,15 +422,14 @@ static int opMOV_w_r_a32(uint32_t fetchdat)
}
static int opMOV_l_r_a16(uint32_t fetchdat)
{
if ((uint8_t)fetchdat >= 0xc0)
fetch_ea_16(fetchdat);
if (mod == 3)
{
pc++;
regs[fetchdat & 7].l = regs[(fetchdat >> 3) & 7].l;
regs[rm].l = regs[reg].l;
CLOCK_CYCLES(timing_rr);
}
else
{
fetch_ea_16(fetchdat);
CHECK_WRITE(ea_seg, eaaddr, eaaddr+3);
seteal(regs[reg].l);
CLOCK_CYCLES(is486 ? 1 : 2);
@ -443,15 +438,14 @@ static int opMOV_l_r_a16(uint32_t fetchdat)
}
static int opMOV_l_r_a32(uint32_t fetchdat)
{
if ((uint8_t)fetchdat >= 0xc0)
fetch_ea_32(fetchdat);
if (mod == 3)
{
pc++;
regs[fetchdat & 7].l = regs[(fetchdat >> 3) & 7].l;
regs[rm].l = regs[reg].l;
CLOCK_CYCLES(timing_rr);
}
else
{
fetch_ea_32(fetchdat);
CHECK_WRITE(ea_seg, eaaddr, eaaddr+3);
seteal(regs[reg].l);
CLOCK_CYCLES(is486 ? 1 : 2);
@ -461,16 +455,15 @@ static int opMOV_l_r_a32(uint32_t fetchdat)
static int opMOV_r_b_a16(uint32_t fetchdat)
{
if ((uint8_t)fetchdat >= 0xc0)
fetch_ea_16(fetchdat);
if (mod == 3)
{
pc++;
setr8((fetchdat >> 3) & 7, getr8(fetchdat & 7));
setr8(reg, getr8(rm));
CLOCK_CYCLES(timing_rr);
}
else
{
uint8_t temp;
fetch_ea_16(fetchdat);
CHECK_READ(ea_seg, eaaddr, eaaddr);
temp = geteab(); if (abrt) return 1;
setr8(reg, temp);
@ -480,16 +473,15 @@ static int opMOV_r_b_a16(uint32_t fetchdat)
}
static int opMOV_r_b_a32(uint32_t fetchdat)
{
if ((uint8_t)fetchdat >= 0xc0)
fetch_ea_32(fetchdat);
if (mod == 3)
{
pc++;
setr8((fetchdat >> 3) & 7, getr8(fetchdat & 7));
setr8(reg, getr8(rm));
CLOCK_CYCLES(timing_rr);
}
else
{
uint8_t temp;
fetch_ea_32(fetchdat);
CHECK_READ(ea_seg, eaaddr, eaaddr);
temp = geteab(); if (abrt) return 1;
setr8(reg, temp);
@ -499,16 +491,15 @@ static int opMOV_r_b_a32(uint32_t fetchdat)
}
static int opMOV_r_w_a16(uint32_t fetchdat)
{
if ((uint8_t)fetchdat >= 0xc0)
fetch_ea_16(fetchdat);
if (mod == 3)
{
pc++;
regs[(fetchdat >> 3) & 7].w = regs[fetchdat & 7].w;
regs[reg].w = regs[rm].w;
CLOCK_CYCLES(timing_rr);
}
else
{
uint16_t temp;
fetch_ea_16(fetchdat);
CHECK_READ(ea_seg, eaaddr, eaaddr+1);
temp = geteaw(); if (abrt) return 1;
regs[reg].w = temp;
@ -518,16 +509,15 @@ static int opMOV_r_w_a16(uint32_t fetchdat)
}
static int opMOV_r_w_a32(uint32_t fetchdat)
{
if ((uint8_t)fetchdat >= 0xc0)
fetch_ea_32(fetchdat);
if (mod == 3)
{
pc++;
regs[(fetchdat >> 3) & 7].w = regs[fetchdat & 7].w;
regs[reg].w = regs[rm].w;
CLOCK_CYCLES(timing_rr);
}
else
{
uint16_t temp;
fetch_ea_32(fetchdat);
CHECK_READ(ea_seg, eaaddr, eaaddr+1);
temp = geteaw(); if (abrt) return 1;
regs[reg].w = temp;
@ -537,16 +527,15 @@ static int opMOV_r_w_a32(uint32_t fetchdat)
}
static int opMOV_r_l_a16(uint32_t fetchdat)
{
if ((uint8_t)fetchdat >= 0xc0)
fetch_ea_16(fetchdat);
if (mod == 3)
{
pc++;
regs[(fetchdat >> 3) & 7].l = regs[fetchdat & 7].l;
regs[reg].l = regs[rm].l;
CLOCK_CYCLES(timing_rr);
}
else
{
uint32_t temp;
fetch_ea_16(fetchdat);
CHECK_READ(ea_seg, eaaddr, eaaddr+3);
temp = geteal(); if (abrt) return 1;
regs[reg].l = temp;
@ -556,16 +545,15 @@ static int opMOV_r_l_a16(uint32_t fetchdat)
}
static int opMOV_r_l_a32(uint32_t fetchdat)
{
if ((uint8_t)fetchdat >= 0xc0)
fetch_ea_32(fetchdat);
if (mod == 3)
{
pc++;
regs[(fetchdat >> 3) & 7].l = regs[fetchdat & 7].l;
regs[reg].l = regs[rm].l;
CLOCK_CYCLES(timing_rr);
}
else
{
uint32_t temp;
fetch_ea_32(fetchdat);
CHECK_READ(ea_seg, eaaddr, eaaddr+3);
temp = geteal(); if (abrt) return 1;
regs[reg].l = temp;