/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Mupen64plus - new_dynarec.c *
- * Copyright (C) 2009-2010 Ari64 *
+ * Copyright (C) 2009-2011 Ari64 *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
int is_const(struct regstat *cur,signed char reg)
{
int hr;
+ if(reg<0) return 0;
if(!reg) return 1;
for (hr=0;hr<HOST_REGS;hr++) {
if((cur->regmap[hr]&63)==reg) {
int j;
int b=-1;
int rn=10;
- int hr;
- u_char hsn[MAXREG+1];
- int preferred_reg;
-
- memset(hsn,10,sizeof(hsn));
- lsn(hsn,i,&preferred_reg);
if(i>0&&(itype[i-1]==UJUMP||itype[i-1]==RJUMP||(source[i-1]>>16)==0x1000))
{
}
}
}*/
- for(hr=0;hr<HOST_REGS;hr++) {
- if(hr!=EXCLUDE_REG) {
- if(rn<hsn[hr]) return 1;
- }
- }
+ if(rn<10) return 1;
return 0;
}
void address_generation(int i,struct regstat *i_regs,signed char entry[])
{
if(itype[i]==LOAD||itype[i]==LOADLR||itype[i]==STORE||itype[i]==STORELR||itype[i]==C1LS||itype[i]==C2LS) {
- int ra;
+ int ra=-1;
int agr=AGEN1+(i&1);
int mgr=MGEN1+(i&1);
if(itype[i]==LOAD) {
emit_loadreg(rs2[i],s2l);
#endif
int hr=0;
- int addr,alt,ntaddr;
+ int addr=-1,alt=-1,ntaddr=-1;
while(hr<HOST_REGS)
{
if(hr!=EXCLUDE_REG && hr!=HOST_CCREG &&
current.wasconst=0;
int ds=0;
int cc=0;
- int hr;
+ int hr=-1;
#ifndef FORCE32
provisional_32bit();
}
}
// Don't need stuff which is overwritten
- if(regs[i].regmap[hr]!=regmap_pre[i][hr]) nr&=~(1<<hr);
- if(regs[i].regmap[hr]<0) nr&=~(1<<hr);
+ //if(regs[i].regmap[hr]!=regmap_pre[i][hr]) nr&=~(1<<hr);
+ //if(regs[i].regmap[hr]<0) nr&=~(1<<hr);
// Merge in delay slot
for(hr=0;hr<HOST_REGS;hr++)
{
if(likely[i]) {
regs[i].regmap[hr]=-1;
regs[i].isconst&=~(1<<hr);
- if(i<slen-2) regmap_pre[i+2][hr]=-1;
+ if(i<slen-2) {
+ regmap_pre[i+2][hr]=-1;
+ regs[i+2].wasconst&=~(1<<hr);
+ }
}
}
}
{
if(!likely[i]&&i<slen-2) {
regmap_pre[i+2][hr]=-1;
+ regs[i+2].wasconst&=~(1<<hr);
}
}
}
}
regmap_pre[i+1][hr]=-1;
if(regs[i+1].regmap_entry[hr]==CCREG) regs[i+1].regmap_entry[hr]=-1;
+ regs[i+1].wasconst&=~(1<<hr);
}
regs[i].regmap[hr]=-1;
regs[i].isconst&=~(1<<hr);
}
//requires_32bit[i]=is32[i]&~unneeded_reg_upper[i]; // DEBUG
}
+#else
+ for (i=slen-1;i>=0;i--)
+ {
+ if(itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
+ {
+ // Conditional branch
+ if((source[i]>>16)!=0x1000&&i<slen-2) {
+ // Mark this address as a branch target since it may be called
+ // upon return from interrupt
+ bt[i+2]=1;
+ }
+ }
+ }
#endif
if(itype[slen-1]==SPAN) {