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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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22
src/x86_ops_pmode.h
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@ -8,9 +8,9 @@ static int opARPL_a16(uint32_t fetchdat)
temp_seg = geteaw(); if (abrt) return 1;
flags_rebuild();
if ((temp_seg & 3) < (cpu_state.regs[reg].w & 3))
if ((temp_seg & 3) < (cpu_state.regs[cpu_reg].w & 3))
{
temp_seg = (temp_seg & 0xfffc) | (cpu_state.regs[reg].w & 3);
temp_seg = (temp_seg & 0xfffc) | (cpu_state.regs[cpu_reg].w & 3);
seteaw(temp_seg); if (abrt) return 1;
flags |= Z_FLAG;
}
@ -30,9 +30,9 @@ static int opARPL_a32(uint32_t fetchdat)
temp_seg = geteaw(); if (abrt) return 1;
flags_rebuild();
if ((temp_seg & 3) < (cpu_state.regs[reg].w & 3))
if ((temp_seg & 3) < (cpu_state.regs[cpu_reg].w & 3))
{
temp_seg = (temp_seg & 0xfffc) | (cpu_state.regs[reg].w & 3);
temp_seg = (temp_seg & 0xfffc) | (cpu_state.regs[cpu_reg].w & 3);
seteaw(temp_seg); if (abrt) return 1;
flags |= Z_FLAG;
}
@ -78,9 +78,9 @@ static int opARPL_a32(uint32_t fetchdat)
flags |= Z_FLAG; \
cpl_override = 1; \
if (is32) \
cpu_state.regs[reg].l = readmeml(0, ((sel & 4) ? ldt.base : gdt.base) + (sel & ~7) + 4) & 0xffff00; \
cpu_state.regs[cpu_reg].l = readmeml(0, ((sel & 4) ? ldt.base : gdt.base) + (sel & ~7) + 4) & 0xffff00; \
else \
cpu_state.regs[reg].w = readmemw(0, ((sel & 4) ? ldt.base : gdt.base) + (sel & ~7) + 4) & 0xff00; \
cpu_state.regs[cpu_reg].w = readmemw(0, ((sel & 4) ? ldt.base : gdt.base) + (sel & ~7) + 4) & 0xff00; \
cpl_override = 0; \
} \
CLOCK_CYCLES(11); \
@ -126,16 +126,16 @@ opLAR(l_a32, fetch_ea_32, 1)
cpl_override = 1; \
if (is32) \
{ \
cpu_state.regs[reg].l = readmemw(0, ((sel & 4) ? ldt.base : gdt.base) + (sel & ~7)); \
cpu_state.regs[reg].l |= (readmemb(0, ((sel & 4) ? ldt.base : gdt.base) + (sel & ~7) + 6) & 0xF) << 16; \
cpu_state.regs[cpu_reg].l = readmemw(0, ((sel & 4) ? ldt.base : gdt.base) + (sel & ~7)); \
cpu_state.regs[cpu_reg].l |= (readmemb(0, ((sel & 4) ? ldt.base : gdt.base) + (sel & ~7) + 6) & 0xF) << 16; \
if (readmemb(0, ((sel & 4) ? ldt.base : gdt.base) + (sel & ~7) + 6) & 0x80) \
{ \
cpu_state.regs[reg].l <<= 12; \
cpu_state.regs[reg].l |= 0xFFF; \
cpu_state.regs[cpu_reg].l <<= 12; \
cpu_state.regs[cpu_reg].l |= 0xFFF; \
} \
} \
else \
cpu_state.regs[reg].w = readmemw(0, ((sel & 4) ? ldt.base : gdt.base) + (sel & ~7)); \
cpu_state.regs[cpu_reg].w = readmemw(0, ((sel & 4) ? ldt.base : gdt.base) + (sel & ~7)); \
cpl_override = 0; \
} \
CLOCK_CYCLES(10); \