diff options
Diffstat (limited to 'libpcsxcore')
| -rw-r--r-- | libpcsxcore/new_dynarec/new_dynarec.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c index bab5ec8..21c9669 100644 --- a/libpcsxcore/new_dynarec/new_dynarec.c +++ b/libpcsxcore/new_dynarec/new_dynarec.c @@ -279,6 +279,8 @@ int tracedebug=0; //#define DEBUG_CYCLE_COUNT 1 +#define NO_CYCLE_PENALTY_THR 12 + int cycle_multiplier; // 100 for 1.0 static int CLOCK_ADJUST(int x) @@ -4981,6 +4983,7 @@ void do_cc(int i,signed char i_regmap[],int *adj,int addr,int taken,int invert) int count; int jaddr; int idle=0; + int t=0; if(itype[i]==RJUMP) { *adj=0; @@ -4988,7 +4991,7 @@ void do_cc(int i,signed char i_regmap[],int *adj,int addr,int taken,int invert) //if(ba[i]>=start && ba[i]<(start+slen*4)) if(internal_branch(branch_regs[i].is32,ba[i])) { - int t=(ba[i]-start)>>2; + t=(ba[i]-start)>>2; if(is_ds[t]) *adj=-1; // Branch into delay slot adds an extra cycle else *adj=ccadj[t]; } @@ -5007,7 +5010,14 @@ void do_cc(int i,signed char i_regmap[],int *adj,int addr,int taken,int invert) emit_jmp(0); } else if(*adj==0||invert) { - emit_addimm_and_set_flags(CLOCK_ADJUST(count+2),HOST_CCREG); + int cycles=CLOCK_ADJUST(count+2); + // faster loop HACK + if (t&&*adj) { + int rel=t-i; + if(-NO_CYCLE_PENALTY_THR<rel&&rel<0) + cycles=CLOCK_ADJUST(*adj)+count+2-*adj; + } + emit_addimm_and_set_flags(cycles,HOST_CCREG); jaddr=(int)out; emit_jns(0); } @@ -9853,7 +9863,7 @@ int new_recompile_block(int addr) // GTE runs in parallel until accessed, divide by 2 for a rough guess cc+=gte_cycletab[source[i]&0x3f]/2; } - else if(/*itype[i]==LOAD||*/itype[i]==STORE||itype[i]==C1LS) // load causes weird timing issues + else if(/*itype[i]==LOAD||itype[i]==STORE||*/itype[i]==C1LS) // load,store causes weird timing issues { cc+=2; // 2 cycle penalty (after CLOCK_DIVIDER) } |