drc: get rid of pass 7/provisional_r32 too

[pcsx_rearmed.git] / libpcsxcore / new_dynarec / new_dynarec.c

diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c
index abfd834..fdd5b64 100644 (file)
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -3840,8 +3840,11 @@ int internal_branch(uint64_t i_is32,int addr)
       else printf("optimizable: yes\n");
     }*/
     //if(is32[t]&~unneeded_reg_upper[t]&~i_is32) return 0;
+#ifndef FORCE32
     if(requires_32bit[t]&~i_is32) return 0;
-    else return 1;
+    else
+#endif
+      return 1;
   }
   return 0;
 }
@@ -4581,7 +4584,9 @@ int match_bt(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty,int addr)
       }
     }
     //if(is32[t]&~unneeded_reg_upper[t]&~i_is32) return 0;
+#ifndef FORCE32
     if(requires_32bit[t]&~i_is32) return 0;
+#endif
     // Delay slots are not valid branch targets
     //if(t>0&&(itype[t-1]==RJUMP||itype[t-1]==UJUMP||itype[t-1]==CJUMP||itype[t-1]==SJUMP||itype[t-1]==FJUMP)) return 0;
     // Delay slots require additional processing, so do not match
@@ -8419,6 +8424,17 @@ int new_recompile_block(int addr)
     else ba[i]=-1;
     /* Is this the end of the block? */
     if(i>0&&(itype[i-1]==UJUMP||itype[i-1]==RJUMP||(source[i-1]>>16)==0x1000)) {
+#ifdef PCSX
+      // check for link register access in delay slot
+      int rt1_=rt1[i-1];
+      if(rt1_!=0&&(rs1[i]==rt1_||rs2[i]==rt1_||rt1[i]==rt1_||rt2[i]==rt1_)) {
+        printf("link access in delay slot @%08x (%08x)\n", addr + i*4, addr);
+        ba[i-1]=-1;
+        itype[i-1]=INTCALL;
+        done=2;
+      }
+      else
+#endif
       if(rt1[i-1]==0) { // Continue past subroutine call (JAL)
         done=2;
       }
@@ -8479,9 +8495,10 @@ int new_recompile_block(int addr)
   int ds=0;
   int cc=0;
   int hr;
-  
+
+#ifndef FORCE32
   provisional_32bit();
-  
+#endif
   if((u_int)addr&1) {
     // First instruction is delay slot
     cc=-1;
@@ -8523,6 +8540,7 @@ int new_recompile_block(int addr)
         }
       }
     }
+#ifndef FORCE32
     // If something jumps here with 64-bit values
     // then promote those registers to 64 bits
     if(bt[i])
@@ -8557,8 +8575,7 @@ int new_recompile_block(int addr)
         current.is32=temp_is32;
       }
     }
-#ifdef FORCE32
-    memset(p32, 0xff, sizeof(p32));
+#else
     current.is32=-1LL;
 #endif
 
@@ -8566,7 +8583,7 @@ int new_recompile_block(int addr)
     regs[i].wasconst=current.isconst;
     regs[i].was32=current.is32;
     regs[i].wasdirty=current.dirty;
-    #ifdef DESTRUCTIVE_WRITEBACK
+    #if defined(DESTRUCTIVE_WRITEBACK) && !defined(FORCE32)
     // To change a dirty register from 32 to 64 bits, we must write
     // it out during the previous cycle (for branches, 2 cycles)
     if(i<slen-1&&bt[i+1]&&itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=RJUMP&&itype[i-1]!=FJUMP)
@@ -10249,7 +10266,7 @@ int new_recompile_block(int addr)
   clean_registers(0,slen-1,1);
   
   /* Pass 7 - Identify 32-bit registers */
-  
+#ifndef FORCE32
   provisional_r32();
 
   u_int r32=0;
@@ -10363,6 +10380,7 @@ int new_recompile_block(int addr)
     }
     //requires_32bit[i]=is32[i]&~unneeded_reg_upper[i]; // DEBUG
   }
+#endif
 
   if(itype[slen-1]==SPAN) {
     bt[slen-1]=1; // Mark as a branch target so instruction can restart after exception
@@ -10850,7 +10868,11 @@ int new_recompile_block(int addr)
         u_int vpage=get_vpage(vaddr);
         literal_pool(256);
         //if(!(is32[i]&(~unneeded_reg_upper[i])&~(1LL<<CCREG)))
+#ifndef FORCE32
         if(!requires_32bit[i])
+#else
+        if(1)
+#endif
         {
           assem_debug("%8x (%d) <- %8x\n",instr_addr[i],i,start+i*4);
           assem_debug("jump_in: %x\n",start+i*4);