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drc: merge Ari64's patch: 17_branch_target_liveness_analysis
author
notaz
<notasas@gmail.com>
Wed, 22 Jun 2011 14:46:24 +0000
(17:46 +0300)
committer
notaz
<notasas@gmail.com>
Thu, 7 Jul 2011 21:15:07 +0000
(
00:15
+0300)
libpcsxcore/new_dynarec/new_dynarec.c
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diff --git
a/libpcsxcore/new_dynarec/new_dynarec.c
b/libpcsxcore/new_dynarec/new_dynarec.c
index
9fdaa72
..
c6d83c2
100644
(file)
--- a/
libpcsxcore/new_dynarec/new_dynarec.c
+++ b/
libpcsxcore/new_dynarec/new_dynarec.c
@@
-7453,6
+7453,10
@@
void clean_registers(int istart,int iend,int wr)
will_dirty_i|=will_dirty[(ba[i]-start)>>2]&(1<<r);
wont_dirty_i|=wont_dirty[(ba[i]-start)>>2]&(1<<r);
}
will_dirty_i|=will_dirty[(ba[i]-start)>>2]&(1<<r);
wont_dirty_i|=wont_dirty[(ba[i]-start)>>2]&(1<<r);
}
+ if(branch_regs[i].regmap[r]>=0) {
+ will_dirty_i|=((unneeded_reg[(ba[i]-start)>>2]>>(branch_regs[i].regmap[r]&63))&1)<<r;
+ wont_dirty_i|=((unneeded_reg[(ba[i]-start)>>2]>>(branch_regs[i].regmap[r]&63))&1)<<r;
+ }
}
}
//}
}
}
//}
@@
-7482,13
+7486,14
@@
void clean_registers(int istart,int iend,int wr)
//if(ba[i]>start+i*4) { // Disable recursion (for debugging)
for(r=0;r<HOST_REGS;r++) {
if(r!=EXCLUDE_REG) {
//if(ba[i]>start+i*4) { // Disable recursion (for debugging)
for(r=0;r<HOST_REGS;r++) {
if(r!=EXCLUDE_REG) {
- if(branch_regs[i].regmap[r]==regs[(ba[i]-start)>>2].regmap_entry[r]) {
+ signed char target_reg=branch_regs[i].regmap[r];
+ if(target_reg==regs[(ba[i]-start)>>2].regmap_entry[r]) {
will_dirty_i&=will_dirty[(ba[i]-start)>>2]&(1<<r);
wont_dirty_i|=wont_dirty[(ba[i]-start)>>2]&(1<<r);
}
will_dirty_i&=will_dirty[(ba[i]-start)>>2]&(1<<r);
wont_dirty_i|=wont_dirty[(ba[i]-start)>>2]&(1<<r);
}
- else
- {
- w
ill_dirty_i&=~(1<<r)
;
+ else
if(target_reg>=0) {
+ will_dirty_i&=((unneeded_reg[(ba[i]-start)>>2]>>(target_reg&63))&1)<<r;
+ w
ont_dirty_i|=((unneeded_reg[(ba[i]-start)>>2]>>(target_reg&63))&1)<<r
;
}
// Treat delay slot as part of branch too
/*if(regs[i+1].regmap[r]==regs[(ba[i]-start)>>2].regmap_entry[r]) {
}
// Treat delay slot as part of branch too
/*if(regs[i+1].regmap[r]==regs[(ba[i]-start)>>2].regmap_entry[r]) {
@@
-7525,7
+7530,7
@@
void clean_registers(int istart,int iend,int wr)
}
}
}
}
}
}
- // Merge in delay slot
+ // Merge in delay slot
(won't dirty)
for(r=0;r<HOST_REGS;r++) {
if(r!=EXCLUDE_REG) {
if((regs[i].regmap[r]&63)==rt1[i]) wont_dirty_i|=1<<r;
for(r=0;r<HOST_REGS;r++) {
if(r!=EXCLUDE_REG) {
if((regs[i].regmap[r]&63)==rt1[i]) wont_dirty_i|=1<<r;