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Rewrote the recompiler interrupt checking in assembly (and removed it for the new dynamic compiler because the requires uops are not present), brings performance back up, and also did a number of CPU-related clean-ups (mostly removal of dead variables and associated code).

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This commit is contained in:
OBattler
2020-07-13 19:46:19 +02:00
parent 0cd0d83cee
commit a862bda04c
32 changed files with 196 additions and 291 deletions
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85
src/cpu/cpu.h
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@@ -110,7 +110,7 @@ typedef struct {
typedef struct {
const char *name;
int cpu_type;
const FPU *fpus;
const FPU *fpus;
int rspeed;
double multi;
uint32_t edx_reset;
@@ -210,14 +210,11 @@ typedef union {
} x86reg;
typedef struct {
uint32_t base;
uint32_t limit;
uint8_t access;
uint8_t ar_high;
uint8_t access, ar_high;
int8_t checked; /*Non-zero if selector is known to be valid*/
uint16_t seg;
uint32_t limit_low,
limit_high;
int checked; /*Non-zero if selector is known to be valid*/
uint32_t base, limit,
limit_low, limit_high;
} x86seg;
typedef union {
@@ -250,19 +247,24 @@ typedef struct {
uint8_t tag[8];
int8_t ssegs, ismmx,
abrt, pad;
uint16_t npxs, npxc, flags, eflags,
old_npxc, new_npxc;
uint16_t MM_w4[8];
int _cycles,
flags_op, TOP;
uint32_t flags_res,
flags_op1, flags_op2,
pc, oldpc, eaaddr, op32;
cr0_t CR0;
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;
int TOP;
union {
struct {
@@ -273,26 +275,10 @@ typedef struct {
int32_t rm_mod_reg_data;
} rm_data;
int8_t ssegs;
int8_t ismmx;
int8_t abrt;
int _cycles;
int cpu_recomp_ins;
uint16_t npxs,
npxc;
double ST[8];
uint16_t MM_w4[8];
MMX_REG MM[8];
uint16_t old_npxc,
new_npxc;
uint32_t last_ea;
#ifdef USE_NEW_DYNAREC
uint32_t old_fp_control, new_fp_control;
#if defined i386 || defined __i386 || defined __i386__ || defined _X86_ || defined _M_IX86
@@ -303,16 +289,8 @@ typedef struct {
#endif
#endif
x86seg seg_cs,
seg_ds,
seg_es,
seg_ss,
seg_fs,
seg_gs;
uint16_t flags, eflags;
cr0_t CR0;
x86seg seg_cs, seg_ds, seg_es, seg_ss,
seg_fs, seg_gs;
} cpu_state_t;
/*The cpu_state.flags below must match in both cpu_cur_status and block->status for a block
@@ -345,7 +323,7 @@ typedef struct {
# endif
#endif
COMPILE_TIME_ASSERT(sizeof(cpu_state) <= 128)
COMPILE_TIME_ASSERT(sizeof(cpu_state_t) <= 128)
#define cpu_state_offset(MEMBER) ((uint8_t)((uintptr_t)&cpu_state.MEMBER - (uintptr_t)&cpu_state - 128))
@@ -425,19 +403,14 @@ extern uint32_t cpu_cur_status;
extern uint64_t cpu_CR4_mask;
extern uint64_t tsc;
extern msr_t msr;
extern cpu_state_t cpu_state;
extern cpu_state_t cpu_state;
extern uint8_t opcode;
extern int insc;
extern int fpucount;
extern float mips,flops;
extern int clockrate;
extern int cgate16;
extern int cpl_override;
extern int CPUID;
extern uint64_t xt_cpu_multi;
extern uint64_t xt_cpu_multi;
extern int isa_cycles;
extern uint32_t oldds,oldss,olddslimit,oldsslimit,olddslimitw,oldsslimitw;
extern int ins,output;
extern uint32_t pccache;
extern uint8_t *pccache2;
@@ -503,7 +476,7 @@ extern int timing_misaligned;
extern int in_sys, unmask_a20_in_smm;
extern uint32_t old_rammask;
extern int acycs;
extern int acycs, pic_pending;
extern uint16_t cpu_fast_off_count, cpu_fast_off_val;
extern uint32_t cpu_fast_off_flags;
@@ -601,6 +574,4 @@ extern const char *fpu_get_internal_name(int machine, int cpu_manufacturer, int
extern const char *fpu_get_name_from_index(int machine, int cpu_manufacturer, int cpu, int c);
extern int fpu_get_type_from_index(int machine, int cpu_manufacturer, int cpu, int c);
extern int int_check();
#endif /*EMU_CPU_H*/