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Move some more variables into cpu_state structure. Minor speedup (~2%).

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This commit is contained in:
SarahW 2016-08-17 21:28:16 +01:00
commit c664682758
43 changed files with 801 additions and 810 deletions
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71
src/ibm.h
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@ -99,35 +99,6 @@ typedef union
} b;
} x86reg;
struct
{
x86reg regs[8];
int flags_op;
uint32_t flags_res;
uint32_t flags_op1, flags_op2;
uint32_t pc;
union
{
struct
{
int8_t rm, mod, reg;
} rm_mod_reg;
uint32_t rm_mod_reg_data;
} rm_data;
} cpu_state;
/*x86reg regs[8];*/
uint16_t flags,eflags;
uint32_t /*cs,ds,es,ss,*/oldds,oldss,olddslimit,oldsslimit,olddslimitw,oldsslimitw;
//uint16_t msw;
extern int ins,output;
extern int cycdiff;
typedef struct
{
uint32_t base;
@ -138,12 +109,50 @@ typedef struct
int checked; /*Non-zero if selector is known to be valid*/
} x86seg;
struct
{
x86reg regs[8];
x86seg *ea_seg;
uint32_t eaaddr;
int flags_op;
uint32_t flags_res;
uint32_t flags_op1, flags_op2;
uint32_t pc;
uint32_t oldpc;
uint32_t op32;
union
{
struct
{
int8_t rm, mod, reg;
} rm_mod_reg;
uint32_t rm_mod_reg_data;
} rm_data;
int8_t ssegs;
} cpu_state;
#define COMPILE_TIME_ASSERT(expr) typedef char COMP_TIME_ASSERT[(expr) ? 1 : 0];
COMPILE_TIME_ASSERT(sizeof(cpu_state) <= 128);
/*x86reg regs[8];*/
uint16_t flags,eflags;
uint32_t /*cs,ds,es,ss,*/oldds,oldss,olddslimit,oldsslimit,olddslimitw,oldsslimitw;
//uint16_t msw;
extern int ins,output;
extern int cycdiff;
x86seg gdt,ldt,idt,tr;
x86seg _cs,_ds,_es,_ss,_fs,_gs;
x86seg _oldds;
extern x86seg *ea_seg;
uint32_t pccache;
uint8_t *pccache2;
/*Segments -