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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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59
src/386_common.h
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@ -127,59 +127,62 @@ static inline uint32_t fastreadl(uint32_t a)
static inline uint8_t getbyte()
{
pc++;
return fastreadb(cs + (pc - 1));
cpu_state.pc++;
return fastreadb(cs + (cpu_state.pc - 1));
}
static inline uint16_t getword()
{
pc+=2;
return fastreadw(cs+(pc-2));
cpu_state.pc+=2;
return fastreadw(cs+(cpu_state.pc-2));
}
static inline uint32_t getlong()
{
pc+=4;
return fastreadl(cs+(pc-4));
cpu_state.pc+=4;
return fastreadl(cs+(cpu_state.pc-4));
}
static inline uint64_t getquad()
{
pc+=8;
return fastreadl(cs+(pc-8)) | ((uint64_t)fastreadl(cs+(pc-4)) << 32);
cpu_state.pc+=8;
return fastreadl(cs+(cpu_state.pc-8)) | ((uint64_t)fastreadl(cs+(cpu_state.pc-4)) << 32);
}
static inline uint8_t geteab()
{
if (mod==3)
return (rm&4)?regs[rm&3].b.h:regs[rm&3].b.l;
if (eal_r) return *(uint8_t *)eal_r;
return readmemb(easeg,eaaddr);
if (mod == 3)
return (rm & 4) ? cpu_state.regs[rm & 3].b.h : cpu_state.regs[rm&3].b.l;
if (eal_r)
return *(uint8_t *)eal_r;
return readmemb(easeg, eaaddr);
}
static inline uint16_t geteaw()
{
if (mod==3)
return regs[rm].w;
if (mod == 3)
return cpu_state.regs[rm].w;
// cycles-=3;
if (eal_r) return *(uint16_t *)eal_r;
return readmemw(easeg,eaaddr);
if (eal_r)
return *(uint16_t *)eal_r;
return readmemw(easeg, eaaddr);
}
static inline uint32_t geteal()
{
if (mod==3)
return regs[rm].l;
if (mod == 3)
return cpu_state.regs[rm].l;
// cycles-=3;
if (eal_r) return *eal_r;
return readmeml(easeg,eaaddr);
if (eal_r)
return *eal_r;
return readmeml(easeg, eaaddr);
}
static inline uint64_t geteaq()
{
return readmemq(easeg,eaaddr);
return readmemq(easeg, eaaddr);
}
static inline uint8_t geteab_mem()
@ -203,18 +206,18 @@ static inline void seteaq(uint64_t v)
writememql(easeg, eaaddr, v);
}
#define seteab(v) if (mod!=3) { if (eal_w) *(uint8_t *)eal_w=v; else writememb386l(easeg,eaaddr,v); } else if (rm&4) regs[rm&3].b.h=v; else regs[rm].b.l=v
#define seteaw(v) if (mod!=3) { if (eal_w) *(uint16_t *)eal_w=v; else writememwl(easeg,eaaddr,v); } else regs[rm].w=v
#define seteal(v) if (mod!=3) { if (eal_w) *eal_w=v; else writememll(easeg,eaaddr,v); } else regs[rm].l=v
#define seteab(v) if (mod!=3) { if (eal_w) *(uint8_t *)eal_w=v; else writememb386l(easeg,eaaddr,v); } else if (rm&4) cpu_state.regs[rm&3].b.h=v; else cpu_state.regs[rm].b.l=v
#define seteaw(v) if (mod!=3) { if (eal_w) *(uint16_t *)eal_w=v; else writememwl(easeg,eaaddr,v); } else cpu_state.regs[rm].w=v
#define seteal(v) if (mod!=3) { if (eal_w) *eal_w=v; else writememll(easeg,eaaddr,v); } else cpu_state.regs[rm].l=v
#define seteab_mem(v) if (eal_w) *(uint8_t *)eal_w=v; else writememb386l(easeg,eaaddr,v);
#define seteaw_mem(v) if (eal_w) *(uint16_t *)eal_w=v; else writememwl(easeg,eaaddr,v);
#define seteal_mem(v) if (eal_w) *eal_w=v; else writememll(easeg,eaaddr,v);
#define getbytef() ((uint8_t)(fetchdat)); pc++
#define getwordf() ((uint16_t)(fetchdat)); pc+=2
#define getbyte2f() ((uint8_t)(fetchdat>>8)); pc++
#define getword2f() ((uint16_t)(fetchdat>>8)); pc+=2
#define getbytef() ((uint8_t)(fetchdat)); cpu_state.pc++
#define getwordf() ((uint16_t)(fetchdat)); cpu_state.pc+=2
#define getbyte2f() ((uint8_t)(fetchdat>>8)); cpu_state.pc++
#define getword2f() ((uint16_t)(fetchdat>>8)); cpu_state.pc+=2
#define rmdat rmdat32