From f776eb14d490a2c4391666ce5beefe058e7e03d5 Mon Sep 17 00:00:00 2001
From: notaz
Date: Wed, 22 Jun 2011 16:26:38 +0300
Subject: drc: merge Ari64's patch: 15_dirty_registers_fix

---
 libpcsxcore/new_dynarec/assem_arm.c   | 24 +++++++-----------------
 libpcsxcore/new_dynarec/new_dynarec.c | 11 ++++++++---
 2 files changed, 15 insertions(+), 20 deletions(-)

(limited to 'libpcsxcore')

diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c
index 2b0ef9c..af45ce3 100644
--- a/libpcsxcore/new_dynarec/assem_arm.c
+++ b/libpcsxcore/new_dynarec/assem_arm.c
@@ -762,15 +762,20 @@ void alloc_reg_temp(struct regstat *cur,int i,signed char reg)
 void alloc_arm_reg(struct regstat *cur,int i,signed char reg,char hr)
 {
   int n;
+  int dirty=0;
   
   // see if it's already allocated (and dealloc it)
   for(n=0;n<HOST_REGS;n++)
   {
-    if(n!=EXCLUDE_REG&&cur->regmap[n]==reg) {cur->regmap[n]=-1;}
+    if(n!=EXCLUDE_REG&&cur->regmap[n]==reg) {
+      dirty=(cur->dirty>>n)&1;
+      cur->regmap[n]=-1;
+    }
   }
   
   cur->regmap[hr]=reg;
   cur->dirty&=~(1<<hr);
+  cur->dirty|=dirty<<hr;
   cur->isconst&=~(1<<hr);
 }
 
@@ -4798,7 +4803,7 @@ void wb_valid(signed char pre[],signed char entry[],u_int dirty_pre,u_int dirty,
     if(hr!=EXCLUDE_REG) {
       reg=pre[hr];
       if(((~u)>>(reg&63))&1) {
-        if(reg==entry[hr]||(reg>0&&entry[hr]<0)) {
+        if(reg>0) {
           if(((dirty_pre&~dirty)>>hr)&1) {
             if(reg>0&&reg<34) {
               emit_storereg(reg,hr);
@@ -4812,21 +4817,6 @@ void wb_valid(signed char pre[],signed char entry[],u_int dirty_pre,u_int dirty,
             }
           }
         }
-        else // Check if register moved to a different register
-        if((new_hr=get_reg(entry,reg))>=0) {
-          if((dirty_pre>>hr)&(~dirty>>new_hr)&1) {
-            if(reg>0&&reg<34) {
-              emit_storereg(reg,hr);
-              if( ((is32_pre&~uu)>>reg)&1 ) {
-                emit_sarimm(hr,31,HOST_TEMPREG);
-                emit_storereg(reg|64,HOST_TEMPREG);
-              }
-            }
-            else if(reg>=64) {
-              emit_storereg(reg,hr);
-            }
-          }
-        }
       }
     }
   }
diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c
index 7d4a3d9..f1bdbfc 100644
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -7642,7 +7642,7 @@ void clean_registers(int istart,int iend,int wr)
             regs[i].wasdirty|=will_dirty_i&(1<<r);
           }
         }
-        else if((nr=get_reg(regs[i].regmap,regmap_pre[i][r]))>=0) {
+        else if(regmap_pre[i][r]>=0&&(nr=get_reg(regs[i].regmap,regmap_pre[i][r]))>=0) {
           // Register moved to a different register
           will_dirty_i&=~(1<<r);
           wont_dirty_i&=~(1<<r);
@@ -10813,8 +10813,13 @@ int new_recompile_block(int addr)
         wb_valid(regmap_pre[i],regs[i].regmap_entry,dirty_pre,regs[i].wasdirty,is32_pre,
               unneeded_reg[i],unneeded_reg_upper[i]);
       }
-      is32_pre=regs[i].is32;
-      dirty_pre=regs[i].dirty;
+      if((itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)&&!likely[i]) {
+        is32_pre=branch_regs[i].is32;
+        dirty_pre=branch_regs[i].dirty;
+      }else{
+        is32_pre=regs[i].is32;
+        dirty_pre=regs[i].dirty;
+      }
       #endif
       // write back
       if(i<2||(itype[i-2]!=UJUMP&&itype[i-2]!=RJUMP&&(source[i-2]>>16)!=0x1000))
-- 
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