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Moved integer registers, PC and flags_* variables into new cpu_state structure. Reduces recompiled code size slightly, small speedup (1-3%).

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This commit is contained in:
SarahW 2016-04-20 21:39:41 +01:00
commit c81a91fd72
52 changed files with 1494 additions and 1408 deletions
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52
src/x86_ops_jump.h
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@ -22,7 +22,7 @@
CLOCK_CYCLES(timing_bnt); \
if (cond_ ## condition) \
{ \
pc += offset; \
cpu_state.pc += offset; \
CLOCK_CYCLES_ALWAYS(timing_bt); \
CPU_BLOCK_END(); \
return 1; \
@ -36,7 +36,7 @@
CLOCK_CYCLES(timing_bnt); \
if (cond_ ## condition) \
{ \
pc += offset; \
cpu_state.pc += offset; \
CLOCK_CYCLES_ALWAYS(timing_bt); \
CPU_BLOCK_END(); \
return 1; \
@ -50,7 +50,7 @@
CLOCK_CYCLES(timing_bnt); \
if (cond_ ## condition) \
{ \
pc += offset; \
cpu_state.pc += offset; \
CLOCK_CYCLES_ALWAYS(timing_bt); \
CPU_BLOCK_END(); \
return 1; \
@ -84,7 +84,7 @@ static int opLOOPNE_w(uint32_t fetchdat)
CLOCK_CYCLES((is486) ? 7 : 11);
if (CX && !ZF_SET())
{
pc += offset;
cpu_state.pc += offset;
CPU_BLOCK_END();
return 1;
}
@ -97,7 +97,7 @@ static int opLOOPNE_l(uint32_t fetchdat)
CLOCK_CYCLES((is486) ? 7 : 11);
if (ECX && !ZF_SET())
{
pc += offset;
cpu_state.pc += offset;
CPU_BLOCK_END();
return 1;
}
@ -111,7 +111,7 @@ static int opLOOPE_w(uint32_t fetchdat)
CLOCK_CYCLES((is486) ? 7 : 11);
if (CX && ZF_SET())
{
pc += offset;
cpu_state.pc += offset;
CPU_BLOCK_END();
return 1;
}
@ -124,7 +124,7 @@ static int opLOOPE_l(uint32_t fetchdat)
CLOCK_CYCLES((is486) ? 7 : 11);
if (ECX && ZF_SET())
{
pc += offset;
cpu_state.pc += offset;
CPU_BLOCK_END();
return 1;
}
@ -138,7 +138,7 @@ static int opLOOP_w(uint32_t fetchdat)
CLOCK_CYCLES((is486) ? 7 : 11);
if (CX)
{
pc += offset;
cpu_state.pc += offset;
CPU_BLOCK_END();
return 1;
}
@ -151,7 +151,7 @@ static int opLOOP_l(uint32_t fetchdat)
CLOCK_CYCLES((is486) ? 7 : 11);
if (ECX)
{
pc += offset;
cpu_state.pc += offset;
CPU_BLOCK_END();
return 1;
}
@ -164,7 +164,7 @@ static int opJCXZ(uint32_t fetchdat)
CLOCK_CYCLES(5);
if (!CX)
{
pc += offset;
cpu_state.pc += offset;
CLOCK_CYCLES(4);
CPU_BLOCK_END();
return 1;
@ -177,7 +177,7 @@ static int opJECXZ(uint32_t fetchdat)
CLOCK_CYCLES(5);
if (!ECX)
{
pc += offset;
cpu_state.pc += offset;
CLOCK_CYCLES(4);
CPU_BLOCK_END();
return 1;
@ -189,7 +189,7 @@ static int opJECXZ(uint32_t fetchdat)
static int opJMP_r8(uint32_t fetchdat)
{
int8_t offset = (int8_t)getbytef();
pc += offset;
cpu_state.pc += offset;
CPU_BLOCK_END();
CLOCK_CYCLES((is486) ? 3 : 7);
return 0;
@ -197,7 +197,7 @@ static int opJMP_r8(uint32_t fetchdat)
static int opJMP_r16(uint32_t fetchdat)
{
int16_t offset = (int16_t)getwordf();
pc += offset;
cpu_state.pc += offset;
CPU_BLOCK_END();
CLOCK_CYCLES((is486) ? 3 : 7);
return 0;
@ -205,7 +205,7 @@ static int opJMP_r16(uint32_t fetchdat)
static int opJMP_r32(uint32_t fetchdat)
{
int32_t offset = (int32_t)getlong(); if (abrt) return 1;
pc += offset;
cpu_state.pc += offset;
CPU_BLOCK_END();
CLOCK_CYCLES((is486) ? 3 : 7);
return 0;
@ -215,8 +215,8 @@ static int opJMP_far_a16(uint32_t fetchdat)
{
uint16_t addr = getwordf();
uint16_t seg = getword(); if (abrt) return 1;
uint32_t oxpc = pc;
pc = addr;
uint32_t oxpc = cpu_state.pc;
cpu_state.pc = addr;
loadcsjmp(seg, oxpc);
CPU_BLOCK_END();
return 0;
@ -225,8 +225,8 @@ static int opJMP_far_a32(uint32_t fetchdat)
{
uint32_t addr = getlong();
uint16_t seg = getword(); if (abrt) return 1;
uint32_t oxpc = pc;
pc = addr;
uint32_t oxpc = cpu_state.pc;
cpu_state.pc = addr;
loadcsjmp(seg, oxpc);
CPU_BLOCK_END();
return 0;
@ -235,8 +235,8 @@ static int opJMP_far_a32(uint32_t fetchdat)
static int opCALL_r16(uint32_t fetchdat)
{
int16_t addr = (int16_t)getwordf();
PUSH_W(pc);
pc += addr;
PUSH_W(cpu_state.pc);
cpu_state.pc += addr;
CPU_BLOCK_END();
CLOCK_CYCLES((is486) ? 3 : 7);
return 0;
@ -244,8 +244,8 @@ static int opCALL_r16(uint32_t fetchdat)
static int opCALL_r32(uint32_t fetchdat)
{
int32_t addr = getlong(); if (abrt) return 1;
PUSH_L(pc);
pc += addr;
PUSH_L(cpu_state.pc);
cpu_state.pc += addr;
CPU_BLOCK_END();
CLOCK_CYCLES((is486) ? 3 : 7);
return 0;
@ -256,7 +256,7 @@ static int opRET_w(uint32_t fetchdat)
uint16_t ret;
ret = POP_W(); if (abrt) return 1;
pc = ret;
cpu_state.pc = ret;
CPU_BLOCK_END();
CLOCK_CYCLES((is486) ? 5 : 10);
@ -267,7 +267,7 @@ static int opRET_l(uint32_t fetchdat)
uint32_t ret;
ret = POP_L(); if (abrt) return 1;
pc = ret;
cpu_state.pc = ret;
CPU_BLOCK_END();
CLOCK_CYCLES((is486) ? 5 : 10);
@ -282,7 +282,7 @@ static int opRET_w_imm(uint32_t fetchdat)
ret = POP_W(); if (abrt) return 1;
if (stack32) ESP += offset;
else SP += offset;
pc = ret;
cpu_state.pc = ret;
CPU_BLOCK_END();
CLOCK_CYCLES((is486) ? 5 : 10);
@ -296,7 +296,7 @@ static int opRET_l_imm(uint32_t fetchdat)
ret = POP_L(); if (abrt) return 1;
if (stack32) ESP += offset;
else SP += offset;
pc = ret;
cpu_state.pc = ret;
CPU_BLOCK_END();
CLOCK_CYCLES((is486) ? 5 : 10);