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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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40
src/x86_ops_mul.h
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@ -12,9 +12,9 @@ static int opIMUL_w_iw_a16(uint32_t fetchdat)
flags_rebuild();
if ((templ >> 15) != 0 && (templ >> 15) != -1) flags |= C_FLAG | V_FLAG;
else flags &= ~(C_FLAG | V_FLAG);
cpu_state.regs[reg].w = templ & 0xffff;
cpu_state.regs[cpu_reg].w = templ & 0xffff;
CLOCK_CYCLES((mod == 3) ? 14 : 17);
CLOCK_CYCLES((cpu_mod == 3) ? 14 : 17);
return 0;
}
static int opIMUL_w_iw_a32(uint32_t fetchdat)
@ -31,9 +31,9 @@ static int opIMUL_w_iw_a32(uint32_t fetchdat)
flags_rebuild();
if ((templ >> 15) != 0 && (templ >> 15) != -1) flags |= C_FLAG | V_FLAG;
else flags &= ~(C_FLAG | V_FLAG);
cpu_state.regs[reg].w = templ & 0xffff;
cpu_state.regs[cpu_reg].w = templ & 0xffff;
CLOCK_CYCLES((mod == 3) ? 14 : 17);
CLOCK_CYCLES((cpu_mod == 3) ? 14 : 17);
return 0;
}
@ -51,7 +51,7 @@ static int opIMUL_l_il_a16(uint32_t fetchdat)
flags_rebuild();
if ((temp64 >> 31) != 0 && (temp64 >> 31) != -1) flags |= C_FLAG | V_FLAG;
else flags &= ~(C_FLAG | V_FLAG);
cpu_state.regs[reg].l = temp64 & 0xffffffff;
cpu_state.regs[cpu_reg].l = temp64 & 0xffffffff;
CLOCK_CYCLES(25);
return 0;
@ -70,7 +70,7 @@ static int opIMUL_l_il_a32(uint32_t fetchdat)
flags_rebuild();
if ((temp64 >> 31) != 0 && (temp64 >> 31) != -1) flags |= C_FLAG | V_FLAG;
else flags &= ~(C_FLAG | V_FLAG);
cpu_state.regs[reg].l = temp64 & 0xffffffff;
cpu_state.regs[cpu_reg].l = temp64 & 0xffffffff;
CLOCK_CYCLES(25);
return 0;
@ -91,9 +91,9 @@ static int opIMUL_w_ib_a16(uint32_t fetchdat)
flags_rebuild();
if ((templ >> 15) != 0 && (templ >> 15) != -1) flags |= C_FLAG | V_FLAG;
else flags &= ~(C_FLAG | V_FLAG);
cpu_state.regs[reg].w = templ & 0xffff;
cpu_state.regs[cpu_reg].w = templ & 0xffff;
CLOCK_CYCLES((mod == 3) ? 14 : 17);
CLOCK_CYCLES((cpu_mod == 3) ? 14 : 17);
return 0;
}
static int opIMUL_w_ib_a32(uint32_t fetchdat)
@ -111,9 +111,9 @@ static int opIMUL_w_ib_a32(uint32_t fetchdat)
flags_rebuild();
if ((templ >> 15) != 0 && (templ >> 15) != -1) flags |= C_FLAG | V_FLAG;
else flags &= ~(C_FLAG | V_FLAG);
cpu_state.regs[reg].w = templ & 0xffff;
cpu_state.regs[cpu_reg].w = templ & 0xffff;
CLOCK_CYCLES((mod == 3) ? 14 : 17);
CLOCK_CYCLES((cpu_mod == 3) ? 14 : 17);
return 0;
}
@ -131,7 +131,7 @@ static int opIMUL_l_ib_a16(uint32_t fetchdat)
flags_rebuild();
if ((temp64 >> 31) != 0 && (temp64 >> 31) != -1) flags |= C_FLAG | V_FLAG;
else flags &= ~(C_FLAG | V_FLAG);
cpu_state.regs[reg].l = temp64 & 0xffffffff;
cpu_state.regs[cpu_reg].l = temp64 & 0xffffffff;
CLOCK_CYCLES(20);
return 0;
@ -150,7 +150,7 @@ static int opIMUL_l_ib_a32(uint32_t fetchdat)
flags_rebuild();
if ((temp64 >> 31) != 0 && (temp64 >> 31) != -1) flags |= C_FLAG | V_FLAG;
else flags &= ~(C_FLAG | V_FLAG);
cpu_state.regs[reg].l = temp64 & 0xffffffff;
cpu_state.regs[cpu_reg].l = temp64 & 0xffffffff;
CLOCK_CYCLES(20);
return 0;
@ -163,9 +163,9 @@ static int opIMUL_w_w_a16(uint32_t fetchdat)
int32_t templ;
fetch_ea_16(fetchdat);
templ = (int32_t)(int16_t)cpu_state.regs[reg].w * (int32_t)(int16_t)geteaw();
templ = (int32_t)(int16_t)cpu_state.regs[cpu_reg].w * (int32_t)(int16_t)geteaw();
if (abrt) return 1;
cpu_state.regs[reg].w = templ & 0xFFFF;
cpu_state.regs[cpu_reg].w = templ & 0xFFFF;
flags_rebuild();
if ((templ >> 15) != 0 && (templ >> 15) != -1) flags |= C_FLAG | V_FLAG;
else flags &= ~(C_FLAG | V_FLAG);
@ -178,9 +178,9 @@ static int opIMUL_w_w_a32(uint32_t fetchdat)
int32_t templ;
fetch_ea_32(fetchdat);
templ = (int32_t)(int16_t)cpu_state.regs[reg].w * (int32_t)(int16_t)geteaw();
templ = (int32_t)(int16_t)cpu_state.regs[cpu_reg].w * (int32_t)(int16_t)geteaw();
if (abrt) return 1;
cpu_state.regs[reg].w = templ & 0xFFFF;
cpu_state.regs[cpu_reg].w = templ & 0xFFFF;
flags_rebuild();
if ((templ >> 15) != 0 && (templ >> 15) != -1) flags |= C_FLAG | V_FLAG;
else flags &= ~(C_FLAG | V_FLAG);
@ -194,9 +194,9 @@ static int opIMUL_l_l_a16(uint32_t fetchdat)
int64_t temp64;
fetch_ea_16(fetchdat);
temp64 = (int64_t)(int32_t)cpu_state.regs[reg].l * (int64_t)(int32_t)geteal();
temp64 = (int64_t)(int32_t)cpu_state.regs[cpu_reg].l * (int64_t)(int32_t)geteal();
if (abrt) return 1;
cpu_state.regs[reg].l = temp64 & 0xFFFFFFFF;
cpu_state.regs[cpu_reg].l = temp64 & 0xFFFFFFFF;
flags_rebuild();
if ((temp64 >> 31) != 0 && (temp64 >> 31) != -1) flags |= C_FLAG | V_FLAG;
else flags &= ~(C_FLAG | V_FLAG);
@ -209,9 +209,9 @@ static int opIMUL_l_l_a32(uint32_t fetchdat)
int64_t temp64;
fetch_ea_32(fetchdat);
temp64 = (int64_t)(int32_t)cpu_state.regs[reg].l * (int64_t)(int32_t)geteal();
temp64 = (int64_t)(int32_t)cpu_state.regs[cpu_reg].l * (int64_t)(int32_t)geteal();
if (abrt) return 1;
cpu_state.regs[reg].l = temp64 & 0xFFFFFFFF;
cpu_state.regs[cpu_reg].l = temp64 & 0xFFFFFFFF;
flags_rebuild();
if ((temp64 >> 31) != 0 && (temp64 >> 31) != -1) flags |= C_FLAG | V_FLAG;
else flags &= ~(C_FLAG | V_FLAG);