From: notaz <notasas@gmail.com>
Date: Mon, 1 Nov 2021 22:42:09 +0000 (+0200)
Subject: drc: remove some leftover n64-only stuff
X-Git-Tag: r23~95
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9c45ca93727acdf3053a9fefaa1d5773d219133e;p=pcsx_rearmed.git

drc: remove some leftover n64-only stuff

quite sure some more is left, but it's not easy to separate out
---

diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c
index 36a3e45a..23b47bad 100644
--- a/libpcsxcore/new_dynarec/assem_arm.c
+++ b/libpcsxcore/new_dynarec/assem_arm.c
@@ -1361,30 +1361,6 @@ static void emit_rorimm(int rs,u_int imm,int rt)
   output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x60|(imm<<7));
 }
 
-static void emit_shldimm(int rs,int rs2,u_int imm,int rt)
-{
-  assem_debug("shld %%%s,%%%s,%d\n",regname[rt],regname[rs2],imm);
-  assert(imm>0);
-  assert(imm<32);
-  //if(imm==1) ...
-  assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm);
-  output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|(imm<<7));
-  assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs2],32-imm);
-  output_w32(0xe1800020|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7));
-}
-
-static void emit_shrdimm(int rs,int rs2,u_int imm,int rt)
-{
-  assem_debug("shrd %%%s,%%%s,%d\n",regname[rt],regname[rs2],imm);
-  assert(imm>0);
-  assert(imm<32);
-  //if(imm==1) ...
-  assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm);
-  output_w32(0xe1a00020|rd_rn_rm(rt,0,rs)|(imm<<7));
-  assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs2],32-imm);
-  output_w32(0xe1800000|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7));
-}
-
 static void emit_signextend16(int rs,int rt)
 {
   #ifndef HAVE_ARMV6
@@ -1507,12 +1483,6 @@ static void emit_cmovs_imm(int imm,int rt)
   output_w32(0x43a00000|rd_rn_rm(rt,0,0)|armval);
 }
 
-static void emit_cmove_reg(int rs,int rt)
-{
-  assem_debug("moveq %s,%s\n",regname[rt],regname[rs]);
-  output_w32(0x01a00000|rd_rn_rm(rt,0,rs));
-}
-
 static void emit_cmovne_reg(int rs,int rt)
 {
   assem_debug("movne %s,%s\n",regname[rt],regname[rs]);
@@ -1841,28 +1811,6 @@ static void emit_ldrccsh_dualindexed(int rs1, int rs2, int rt)
   output_w32(0x319000f0|rd_rn_rm(rt,rs1,rs2));
 }
 
-static void emit_readword_indexed_tlb(int addr, int rs, int map, int rt)
-{
-  if(map<0) emit_readword_indexed(addr, rs, rt);
-  else {
-    assert(addr==0);
-    emit_readword_dualindexedx4(rs, map, rt);
-  }
-}
-
-static void emit_readdword_indexed_tlb(int addr, int rs, int map, int rh, int rl)
-{
-  if(map<0) {
-    if(rh>=0) emit_readword_indexed(addr, rs, rh);
-    emit_readword_indexed(addr+4, rs, rl);
-  }else{
-    assert(rh!=rs);
-    if(rh>=0) emit_readword_indexed_tlb(addr, rs, map, rh);
-    emit_addimm(map,1,map);
-    emit_readword_indexed_tlb(addr, rs, map, rl);
-  }
-}
-
 static void emit_movsbl_indexed(int offset, int rs, int rt)
 {
   assert(offset>-256&&offset<256);
@@ -1874,23 +1822,6 @@ static void emit_movsbl_indexed(int offset, int rs, int rt)
   }
 }
 
-static void emit_movsbl_indexed_tlb(int addr, int rs, int map, int rt)
-{
-  if(map<0) emit_movsbl_indexed(addr, rs, rt);
-  else {
-    if(addr==0) {
-      emit_shlimm(map,2,map);
-      assem_debug("ldrsb %s,%s+%s\n",regname[rt],regname[rs],regname[map]);
-      output_w32(0xe19000d0|rd_rn_rm(rt,rs,map));
-    }else{
-      assert(addr>-256&&addr<256);
-      assem_debug("add %s,%s,%s,lsl #2\n",regname[rt],regname[rs],regname[map]);
-      output_w32(0xe0800000|rd_rn_rm(rt,rs,map)|(2<<7));
-      emit_movsbl_indexed(addr, rt, rt);
-    }
-  }
-}
-
 static void emit_movswl_indexed(int offset, int rs, int rt)
 {
   assert(offset>-256&&offset<256);
@@ -1913,26 +1844,6 @@ static void emit_movzbl_indexed(int offset, int rs, int rt)
   }
 }
 
-static void emit_movzbl_dualindexedx4(int rs1, int rs2, int rt)
-{
-  assert(rs2>=0);
-  assem_debug("ldrb %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
-  output_w32(0xe7d00000|rd_rn_rm(rt,rs1,rs2)|0x100);
-}
-
-static void emit_movzbl_indexed_tlb(int addr, int rs, int map, int rt)
-{
-  if(map<0) emit_movzbl_indexed(addr, rs, rt);
-  else {
-    if(addr==0) {
-      emit_movzbl_dualindexedx4(rs, map, rt);
-    }else{
-      emit_addimm(rs,addr,rt);
-      emit_movzbl_dualindexedx4(rt, map, rt);
-    }
-  }
-}
-
 static void emit_movzwl_indexed(int offset, int rs, int rt)
 {
   assert(offset>-256&&offset<256);
@@ -1963,38 +1874,6 @@ static void emit_readword(void *addr, int rt)
   output_w32(0xe5900000|rd_rn_rm(rt,FP,0)|offset);
 }
 
-static unused void emit_movsbl(int addr, int rt)
-{
-  u_int offset = addr-(u_int)&dynarec_local;
-  assert(offset<256);
-  assem_debug("ldrsb %s,fp+%d\n",regname[rt],offset);
-  output_w32(0xe1d000d0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf));
-}
-
-static unused void emit_movswl(int addr, int rt)
-{
-  u_int offset = addr-(u_int)&dynarec_local;
-  assert(offset<256);
-  assem_debug("ldrsh %s,fp+%d\n",regname[rt],offset);
-  output_w32(0xe1d000f0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf));
-}
-
-static unused void emit_movzbl(int addr, int rt)
-{
-  u_int offset = addr-(u_int)&dynarec_local;
-  assert(offset<4096);
-  assem_debug("ldrb %s,fp+%d\n",regname[rt],offset);
-  output_w32(0xe5d00000|rd_rn_rm(rt,FP,0)|offset);
-}
-
-static unused void emit_movzwl(int addr, int rt)
-{
-  u_int offset = addr-(u_int)&dynarec_local;
-  assert(offset<256);
-  assem_debug("ldrh %s,fp+%d\n",regname[rt],offset);
-  output_w32(0xe1d000b0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf));
-}
-
 static void emit_writeword_indexed(int rt, int offset, int rs)
 {
   assert(offset>-4096&&offset<4096);
@@ -2006,38 +1885,6 @@ static void emit_writeword_indexed(int rt, int offset, int rs)
   }
 }
 
-static void emit_writeword_dualindexedx4(int rt, int rs1, int rs2)
-{
-  assem_debug("str %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
-  output_w32(0xe7800000|rd_rn_rm(rt,rs1,rs2)|0x100);
-}
-
-static void emit_writeword_indexed_tlb(int rt, int addr, int rs, int map, int temp)
-{
-  if(map<0) emit_writeword_indexed(rt, addr, rs);
-  else {
-    assert(addr==0);
-    emit_writeword_dualindexedx4(rt, rs, map);
-  }
-}
-
-static void emit_writedword_indexed_tlb(int rh, int rl, int addr, int rs, int map, int temp)
-{
-  if(map<0) {
-    if(rh>=0) emit_writeword_indexed(rh, addr, rs);
-    emit_writeword_indexed(rl, addr+4, rs);
-  }else{
-    assert(rh>=0);
-    if(temp!=rs) emit_addimm(map,1,temp);
-    emit_writeword_indexed_tlb(rh, addr, rs, map, temp);
-    if(temp!=rs) emit_writeword_indexed_tlb(rl, addr, rs, temp, temp);
-    else {
-      emit_addimm(rs,4,rs);
-      emit_writeword_indexed_tlb(rl, addr, rs, map, temp);
-    }
-  }
-}
-
 static void emit_writehword_indexed(int rt, int offset, int rs)
 {
   assert(offset>-256&&offset<256);
@@ -2060,26 +1907,6 @@ static void emit_writebyte_indexed(int rt, int offset, int rs)
   }
 }
 
-static void emit_writebyte_dualindexedx4(int rt, int rs1, int rs2)
-{
-  assert(rs2>=0);
-  assem_debug("strb %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
-  output_w32(0xe7c00000|rd_rn_rm(rt,rs1,rs2)|0x100);
-}
-
-static void emit_writebyte_indexed_tlb(int rt, int addr, int rs, int map, int temp)
-{
-  if(map<0) emit_writebyte_indexed(rt, addr, rs);
-  else {
-    if(addr==0) {
-      emit_writebyte_dualindexedx4(rt, rs, map);
-    }else{
-      emit_addimm(rs,addr,temp);
-      emit_writebyte_dualindexedx4(rt, temp, map);
-    }
-  }
-}
-
 static void emit_strcc_dualindexed(int rs1, int rs2, int rt)
 {
   assem_debug("strcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
@@ -2106,22 +1933,6 @@ static void emit_writeword(int rt, void *addr)
   output_w32(0xe5800000|rd_rn_rm(rt,FP,0)|offset);
 }
 
-static unused void emit_writehword(int rt, void *addr)
-{
-  uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
-  assert(offset<256);
-  assem_debug("strh %s,fp+%d\n",regname[rt],offset);
-  output_w32(0xe1c000b0|rd_rn_rm(rt,FP,0)|((offset<<4)&0xf00)|(offset&0xf));
-}
-
-static unused void emit_writebyte(int rt, void *addr)
-{
-  uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
-  assert(offset<4096);
-  assem_debug("strb %s,fp+%d\n",regname[rt],offset);
-  output_w32(0xe5c00000|rd_rn_rm(rt,FP,0)|offset);
-}
-
 static void emit_umull(u_int rs1, u_int rs2, u_int hi, u_int lo)
 {
   assem_debug("umull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]);
@@ -2182,54 +1993,18 @@ static void emit_negsmi(int rs, int rt)
   output_w32(0x42700000|rd_rn_rm(rt,rs,0));
 }
 
-static void emit_orreq(u_int rs1,u_int rs2,u_int rt)
-{
-  assem_debug("orreq %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
-  output_w32(0x01800000|rd_rn_rm(rt,rs1,rs2));
-}
-
-static void emit_orrne(u_int rs1,u_int rs2,u_int rt)
-{
-  assem_debug("orrne %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
-  output_w32(0x11800000|rd_rn_rm(rt,rs1,rs2));
-}
-
 static void emit_bic_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt)
 {
   assem_debug("bic %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
   output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8));
 }
 
-static void emit_biceq_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt)
-{
-  assem_debug("biceq %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
-  output_w32(0x01C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8));
-}
-
-static void emit_bicne_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt)
-{
-  assem_debug("bicne %s,%s,%s lsl %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
-  output_w32(0x11C00000|rd_rn_rm(rt,rs1,rs2)|0x10|(shift<<8));
-}
-
 static void emit_bic_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt)
 {
   assem_debug("bic %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
   output_w32(0xe1C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8));
 }
 
-static void emit_biceq_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt)
-{
-  assem_debug("biceq %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
-  output_w32(0x01C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8));
-}
-
-static void emit_bicne_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt)
-{
-  assem_debug("bicne %s,%s,%s lsr %s\n",regname[rt],regname[rs1],regname[rs2],regname[shift]);
-  output_w32(0x11C00000|rd_rn_rm(rt,rs1,rs2)|0x30|(shift<<8));
-}
-
 static void emit_teq(int rs, int rt)
 {
   assem_debug("teq %s,%s\n",regname[rs],regname[rt]);
@@ -2326,46 +2101,6 @@ static void emit_ldreq_indexed(int rs, u_int offset, int rt)
   output_w32(0x05900000|rd_rn_rm(rt,rs,0)|offset);
 }
 
-static unused void emit_bicne_imm(int rs,int imm,int rt)
-{
-  u_int armval;
-  genimm_checked(imm,&armval);
-  assem_debug("bicne %s,%s,#%d\n",regname[rt],regname[rs],imm);
-  output_w32(0x13c00000|rd_rn_rm(rt,rs,0)|armval);
-}
-
-static unused void emit_biccs_imm(int rs,int imm,int rt)
-{
-  u_int armval;
-  genimm_checked(imm,&armval);
-  assem_debug("biccs %s,%s,#%d\n",regname[rt],regname[rs],imm);
-  output_w32(0x23c00000|rd_rn_rm(rt,rs,0)|armval);
-}
-
-static unused void emit_bicvc_imm(int rs,int imm,int rt)
-{
-  u_int armval;
-  genimm_checked(imm,&armval);
-  assem_debug("bicvc %s,%s,#%d\n",regname[rt],regname[rs],imm);
-  output_w32(0x73c00000|rd_rn_rm(rt,rs,0)|armval);
-}
-
-static unused void emit_bichi_imm(int rs,int imm,int rt)
-{
-  u_int armval;
-  genimm_checked(imm,&armval);
-  assem_debug("bichi %s,%s,#%d\n",regname[rt],regname[rs],imm);
-  output_w32(0x83c00000|rd_rn_rm(rt,rs,0)|armval);
-}
-
-static unused void emit_orrvs_imm(int rs,int imm,int rt)
-{
-  u_int armval;
-  genimm_checked(imm,&armval);
-  assem_debug("orrvs %s,%s,#%d\n",regname[rt],regname[rs],imm);
-  output_w32(0x63800000|rd_rn_rm(rt,rs,0)|armval);
-}
-
 static void emit_orrne_imm(int rs,int imm,int rt)
 {
   u_int armval;
@@ -3359,13 +3094,12 @@ static void *emit_fastpath_cmp_jump(int i,int addr,int *addr_reg_override)
 
 static void loadlr_assemble_arm(int i,struct regstat *i_regs)
 {
-  int s,th,tl,temp,temp2,addr,map=-1;
+  int s,tl,temp,temp2,addr;
   int offset;
   void *jaddr=0;
   int memtarget=0,c=0;
   int fastload_reg_override=0;
   u_int hr,reglist=0;
-  th=get_reg(i_regs->regmap,rt1[i]|64);
   tl=get_reg(i_regs->regmap,rt1[i]);
   s=get_reg(i_regs->regmap,rs1[i]);
   temp=get_reg(i_regs->regmap,-1);
@@ -3386,10 +3120,6 @@ static void loadlr_assemble_arm(int i,struct regstat *i_regs)
     }
   }
   if(!c) {
-    #ifdef RAM_OFFSET
-    map=get_reg(i_regs->regmap,ROREG);
-    if(map<0) emit_loadreg(ROREG,map=HOST_TEMPREG);
-    #endif
     emit_shlimm(addr,3,temp);
     if (opcode[i]==0x22||opcode[i]==0x26) {
       emit_andimm(addr,0xFFFFFFFC,temp2); // LWL/LWR
@@ -3413,8 +3143,7 @@ static void loadlr_assemble_arm(int i,struct regstat *i_regs)
     if(!c||memtarget) {
       int a=temp2;
       if(fastload_reg_override) a=fastload_reg_override;
-      //emit_readword_indexed((int)rdram-0x80000000,temp2,temp2);
-      emit_readword_indexed_tlb(0,a,map,temp2);
+      emit_readword_indexed(0,a,temp2);
       if(jaddr) add_stub_r(LOADW_STUB,jaddr,out,i,temp2,i_regs,ccadj[i],reglist);
     }
     else
@@ -3441,47 +3170,7 @@ static void loadlr_assemble_arm(int i,struct regstat *i_regs)
     //emit_storereg(rt1[i],tl); // DEBUG
   }
   if (opcode[i]==0x1A||opcode[i]==0x1B) { // LDL/LDR
-    // FIXME: little endian, fastload_reg_override
-    int temp2h=get_reg(i_regs->regmap,FTEMP|64);
-    if(!c||memtarget) {
-      //if(th>=0) emit_readword_indexed((int)rdram-0x80000000,temp2,temp2h);
-      //emit_readword_indexed((int)rdram-0x7FFFFFFC,temp2,temp2);
-      emit_readdword_indexed_tlb(0,temp2,map,temp2h,temp2);
-      if(jaddr) add_stub_r(LOADD_STUB,jaddr,out,i,temp2,i_regs,ccadj[i],reglist);
-    }
-    else
-      inline_readstub(LOADD_STUB,i,(constmap[i][s]+offset)&0xFFFFFFF8,i_regs->regmap,FTEMP,ccadj[i],reglist);
-    if(rt1[i]) {
-      assert(th>=0);
-      assert(tl>=0);
-      emit_testimm(temp,32);
-      emit_andimm(temp,24,temp);
-      if (opcode[i]==0x1A) { // LDL
-        emit_rsbimm(temp,32,HOST_TEMPREG);
-        emit_shl(temp2h,temp,temp2h);
-        emit_orrshr(temp2,HOST_TEMPREG,temp2h);
-        emit_movimm(-1,HOST_TEMPREG);
-        emit_shl(temp2,temp,temp2);
-        emit_cmove_reg(temp2h,th);
-        emit_biceq_lsl(tl,HOST_TEMPREG,temp,tl);
-        emit_bicne_lsl(th,HOST_TEMPREG,temp,th);
-        emit_orreq(temp2,tl,tl);
-        emit_orrne(temp2,th,th);
-      }
-      if (opcode[i]==0x1B) { // LDR
-        emit_xorimm(temp,24,temp);
-        emit_rsbimm(temp,32,HOST_TEMPREG);
-        emit_shr(temp2,temp,temp2);
-        emit_orrshl(temp2h,HOST_TEMPREG,temp2);
-        emit_movimm(-1,HOST_TEMPREG);
-        emit_shr(temp2h,temp,temp2h);
-        emit_cmovne_reg(temp2,tl);
-        emit_bicne_lsr(th,HOST_TEMPREG,temp,th);
-        emit_biceq_lsr(tl,HOST_TEMPREG,temp,tl);
-        emit_orrne(temp2h,th,th);
-        emit_orreq(temp2h,tl,tl);
-      }
-    }
+    assert(0);
   }
 }
 #define loadlr_assemble loadlr_assemble_arm
@@ -4111,63 +3800,6 @@ static void wb_valid(signed char pre[],signed char entry[],u_int dirty_pre,u_int
   }
 }
 
-
-/* using strd could possibly help but you'd have to allocate registers in pairs
-static void wb_invalidate_arm(signed char pre[],signed char entry[],uint64_t dirty,uint64_t is32,uint64_t u,uint64_t uu)
-{
-  int hr;
-  int wrote=-1;
-  for(hr=HOST_REGS-1;hr>=0;hr--) {
-    if(hr!=EXCLUDE_REG) {
-      if(pre[hr]!=entry[hr]) {
-        if(pre[hr]>=0) {
-          if((dirty>>hr)&1) {
-            if(get_reg(entry,pre[hr])<0) {
-              if(pre[hr]<64) {
-                if(!((u>>pre[hr])&1)) {
-                  if(hr<10&&(~hr&1)&&(pre[hr+1]<0||wrote==hr+1)) {
-                    if( ((is32>>pre[hr])&1) && !((uu>>pre[hr])&1) ) {
-                      emit_sarimm(hr,31,hr+1);
-                      emit_strdreg(pre[hr],hr);
-                    }
-                    else
-                      emit_storereg(pre[hr],hr);
-                  }else{
-                    emit_storereg(pre[hr],hr);
-                    if( ((is32>>pre[hr])&1) && !((uu>>pre[hr])&1) ) {
-                      emit_sarimm(hr,31,hr);
-                      emit_storereg(pre[hr]|64,hr);
-                    }
-                  }
-                }
-              }else{
-                if(!((uu>>(pre[hr]&63))&1) && !((is32>>(pre[hr]&63))&1)) {
-                  emit_storereg(pre[hr],hr);
-                }
-              }
-              wrote=hr;
-            }
-          }
-        }
-      }
-    }
-  }
-  for(hr=0;hr<HOST_REGS;hr++) {
-    if(hr!=EXCLUDE_REG) {
-      if(pre[hr]!=entry[hr]) {
-        if(pre[hr]>=0) {
-          int nr;
-          if((nr=get_reg(entry,pre[hr]))>=0) {
-            emit_mov(hr,nr);
-          }
-        }
-      }
-    }
-  }
-}
-#define wb_invalidate wb_invalidate_arm
-*/
-
 static void mark_clear_cache(void *target)
 {
   u_long offset = (u_char *)target - translation_cache;
diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c
index 78e53d45..61dac47a 100644
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -213,7 +213,7 @@ struct link_entry
 #define CCREG 36 // Cycle count
 #define INVCP 37 // Pointer to invalid_code
 //#define MMREG 38 // Pointer to memory_map
-#define ROREG 39 // ram offset (if rdram!=0x80000000)
+//#define ROREG 39 // ram offset (if rdram!=0x80000000)
 #define TEMPREG 40
 #define FTEMP 40 // FPU temporary register
 #define PTEMP 41 // Prefetch temporary register
@@ -1218,44 +1218,19 @@ void shiftimm_alloc(struct regstat *current,int i)
 
   if(opcode2[i]>=0x38&&opcode2[i]<=0x3b) // DSLL/DSRL/DSRA
   {
-    if(rt1[i]) {
-      if(rs1[i]) alloc_reg64(current,i,rs1[i]);
-      alloc_reg64(current,i,rt1[i]);
-      current->is32&=~(1LL<<rt1[i]);
-      dirty_reg(current,rt1[i]);
-    }
+    assert(0);
   }
   if(opcode2[i]==0x3c) // DSLL32
   {
-    if(rt1[i]) {
-      if(rs1[i]) alloc_reg(current,i,rs1[i]);
-      alloc_reg64(current,i,rt1[i]);
-      current->is32&=~(1LL<<rt1[i]);
-      dirty_reg(current,rt1[i]);
-    }
+    assert(0);
   }
   if(opcode2[i]==0x3e) // DSRL32
   {
-    if(rt1[i]) {
-      alloc_reg64(current,i,rs1[i]);
-      if(imm[i]==32) {
-        alloc_reg64(current,i,rt1[i]);
-        current->is32&=~(1LL<<rt1[i]);
-      } else {
-        alloc_reg(current,i,rt1[i]);
-        current->is32|=1LL<<rt1[i];
-      }
-      dirty_reg(current,rt1[i]);
-    }
+    assert(0);
   }
   if(opcode2[i]==0x3f) // DSRA32
   {
-    if(rt1[i]) {
-      alloc_reg64(current,i,rs1[i]);
-      alloc_reg(current,i,rt1[i]);
-      current->is32|=1LL<<rt1[i];
-      dirty_reg(current,rt1[i]);
-    }
+    assert(0);
   }
 }
 
@@ -1897,26 +1872,6 @@ void wb_register(signed char r,signed char regmap[],uint64_t dirty,uint64_t is32
   }
 }
 
-int mchecksum()
-{
-  int i;
-  int sum=0;
-  for(i=0;i<2097152;i++) {
-    unsigned int temp=sum;
-    sum<<=1;
-    sum|=(~temp)>>31;
-    sum^=((u_int *)rdram)[i];
-  }
-  return sum;
-}
-int rchecksum()
-{
-  int i;
-  int sum=0;
-  for(i=0;i<64;i++)
-    sum^=((u_int *)reg)[i];
-  return sum;
-}
 void rlist()
 {
   int i;
@@ -2484,100 +2439,19 @@ void shiftimm_assemble(int i,struct regstat *i_regs)
   }
   if(opcode2[i]>=0x38&&opcode2[i]<=0x3b) // DSLL/DSRL/DSRA
   {
-    if(rt1[i]) {
-      signed char sh,sl,th,tl;
-      th=get_reg(i_regs->regmap,rt1[i]|64);
-      tl=get_reg(i_regs->regmap,rt1[i]);
-      sh=get_reg(i_regs->regmap,rs1[i]|64);
-      sl=get_reg(i_regs->regmap,rs1[i]);
-      if(tl>=0) {
-        if(rs1[i]==0)
-        {
-          emit_zeroreg(tl);
-          if(th>=0) emit_zeroreg(th);
-        }
-        else
-        {
-          assert(sl>=0);
-          assert(sh>=0);
-          if(imm[i]) {
-            if(opcode2[i]==0x38) // DSLL
-            {
-              if(th>=0) emit_shldimm(sh,sl,imm[i],th);
-              emit_shlimm(sl,imm[i],tl);
-            }
-            if(opcode2[i]==0x3a) // DSRL
-            {
-              emit_shrdimm(sl,sh,imm[i],tl);
-              if(th>=0) emit_shrimm(sh,imm[i],th);
-            }
-            if(opcode2[i]==0x3b) // DSRA
-            {
-              emit_shrdimm(sl,sh,imm[i],tl);
-              if(th>=0) emit_sarimm(sh,imm[i],th);
-            }
-          }else{
-            // Shift by zero
-            if(sl!=tl) emit_mov(sl,tl);
-            if(th>=0&&sh!=th) emit_mov(sh,th);
-          }
-        }
-      }
-    }
+    assert(0);
   }
   if(opcode2[i]==0x3c) // DSLL32
   {
-    if(rt1[i]) {
-      signed char sl,tl,th;
-      tl=get_reg(i_regs->regmap,rt1[i]);
-      th=get_reg(i_regs->regmap,rt1[i]|64);
-      sl=get_reg(i_regs->regmap,rs1[i]);
-      if(th>=0||tl>=0){
-        assert(tl>=0);
-        assert(th>=0);
-        assert(sl>=0);
-        emit_mov(sl,th);
-        emit_zeroreg(tl);
-        if(imm[i]>32)
-        {
-          emit_shlimm(th,imm[i]&31,th);
-        }
-      }
-    }
+    assert(0);
   }
   if(opcode2[i]==0x3e) // DSRL32
   {
-    if(rt1[i]) {
-      signed char sh,tl,th;
-      tl=get_reg(i_regs->regmap,rt1[i]);
-      th=get_reg(i_regs->regmap,rt1[i]|64);
-      sh=get_reg(i_regs->regmap,rs1[i]|64);
-      if(tl>=0){
-        assert(sh>=0);
-        emit_mov(sh,tl);
-        if(th>=0) emit_zeroreg(th);
-        if(imm[i]>32)
-        {
-          emit_shrimm(tl,imm[i]&31,tl);
-        }
-      }
-    }
+    assert(0);
   }
   if(opcode2[i]==0x3f) // DSRA32
   {
-    if(rt1[i]) {
-      signed char sh,tl;
-      tl=get_reg(i_regs->regmap,rt1[i]);
-      sh=get_reg(i_regs->regmap,rs1[i]|64);
-      if(tl>=0){
-        assert(sh>=0);
-        emit_mov(sh,tl);
-        if(imm[i]>32)
-        {
-          emit_sarimm(tl,imm[i]&31,tl);
-        }
-      }
-    }
+    assert(0);
   }
 }
 
@@ -2591,7 +2465,7 @@ void shift_assemble(int i,struct regstat *i_regs)
 
 void load_assemble(int i,struct regstat *i_regs)
 {
-  int s,th,tl,addr,map=-1;
+  int s,th,tl,addr;
   int offset;
   void *jaddr=0;
   int memtarget=0,c=0;
@@ -2632,10 +2506,6 @@ void load_assemble(int i,struct regstat *i_regs)
   reglist&=~(1<<tl);
   if(th>=0) reglist&=~(1<<th);
   if(!c) {
-    #ifdef RAM_OFFSET
-    map=get_reg(i_regs->regmap,ROREG);
-    if(map<0) emit_loadreg(ROREG,map=HOST_TEMPREG);
-    #endif
     #ifdef R29_HACK
     // Strmnnrmn's speed hack
     if(rs1[i]!=29||start<0x80001000||start>=0x80000000+RAM_SIZE)
@@ -2652,24 +2522,12 @@ void load_assemble(int i,struct regstat *i_regs)
   if (opcode[i]==0x20) { // LB
     if(!c||memtarget) {
       if(!dummy) {
-        #ifdef HOST_IMM_ADDR32
-        if(c)
-          emit_movsbl_tlb((constmap[i][s]+offset)^3,map,tl);
-        else
-        #endif
         {
-          //emit_xorimm(addr,3,tl);
-          //emit_movsbl_indexed(rdram-0x80000000,tl,tl);
           int x=0,a=tl;
-#ifdef BIG_ENDIAN_MIPS
-          if(!c) emit_xorimm(addr,3,tl);
-          else x=((constmap[i][s]+offset)^3)-(constmap[i][s]+offset);
-#else
           if(!c) a=addr;
-#endif
           if(fastload_reg_override) a=fastload_reg_override;
 
-          emit_movsbl_indexed_tlb(x,a,map,tl);
+          emit_movsbl_indexed(x,a,tl);
         }
       }
       if(jaddr)
@@ -2681,33 +2539,10 @@ void load_assemble(int i,struct regstat *i_regs)
   if (opcode[i]==0x21) { // LH
     if(!c||memtarget) {
       if(!dummy) {
-        #ifdef HOST_IMM_ADDR32
-        if(c)
-          emit_movswl_tlb((constmap[i][s]+offset)^2,map,tl);
-        else
-        #endif
-        {
-          int x=0,a=tl;
-#ifdef BIG_ENDIAN_MIPS
-          if(!c) emit_xorimm(addr,2,tl);
-          else x=((constmap[i][s]+offset)^2)-(constmap[i][s]+offset);
-#else
-          if(!c) a=addr;
-#endif
-          if(fastload_reg_override) a=fastload_reg_override;
-          //#ifdef
-          //emit_movswl_indexed_tlb(x,tl,map,tl);
-          //else
-          if(map>=0) {
-            emit_movswl_indexed(x,a,tl);
-          }else{
-            #if 1 //def RAM_OFFSET
-            emit_movswl_indexed(x,a,tl);
-            #else
-            emit_movswl_indexed(rdram-0x80000000+x,a,tl);
-            #endif
-          }
-        }
+        int x=0,a=tl;
+        if(!c) a=addr;
+        if(fastload_reg_override) a=fastload_reg_override;
+        emit_movswl_indexed(x,a,tl);
       }
       if(jaddr)
         add_stub_r(LOADH_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
@@ -2720,13 +2555,7 @@ void load_assemble(int i,struct regstat *i_regs)
       if(!dummy) {
         int a=addr;
         if(fastload_reg_override) a=fastload_reg_override;
-        //emit_readword_indexed(rdram-0x80000000,addr,tl);
-        #ifdef HOST_IMM_ADDR32
-        if(c)
-          emit_readword_tlb(constmap[i][s]+offset,map,tl);
-        else
-        #endif
-        emit_readword_indexed_tlb(0,a,map,tl);
+        emit_readword_indexed(0,a,tl);
       }
       if(jaddr)
         add_stub_r(LOADW_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
@@ -2737,25 +2566,11 @@ void load_assemble(int i,struct regstat *i_regs)
   if (opcode[i]==0x24) { // LBU
     if(!c||memtarget) {
       if(!dummy) {
-        #ifdef HOST_IMM_ADDR32
-        if(c)
-          emit_movzbl_tlb((constmap[i][s]+offset)^3,map,tl);
-        else
-        #endif
-        {
-          //emit_xorimm(addr,3,tl);
-          //emit_movzbl_indexed(rdram-0x80000000,tl,tl);
-          int x=0,a=tl;
-#ifdef BIG_ENDIAN_MIPS
-          if(!c) emit_xorimm(addr,3,tl);
-          else x=((constmap[i][s]+offset)^3)-(constmap[i][s]+offset);
-#else
-          if(!c) a=addr;
-#endif
-          if(fastload_reg_override) a=fastload_reg_override;
+        int x=0,a=tl;
+        if(!c) a=addr;
+        if(fastload_reg_override) a=fastload_reg_override;
 
-          emit_movzbl_indexed_tlb(x,a,map,tl);
-        }
+        emit_movzbl_indexed(x,a,tl);
       }
       if(jaddr)
         add_stub_r(LOADBU_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
@@ -2766,33 +2581,10 @@ void load_assemble(int i,struct regstat *i_regs)
   if (opcode[i]==0x25) { // LHU
     if(!c||memtarget) {
       if(!dummy) {
-        #ifdef HOST_IMM_ADDR32
-        if(c)
-          emit_movzwl_tlb((constmap[i][s]+offset)^2,map,tl);
-        else
-        #endif
-        {
-          int x=0,a=tl;
-#ifdef BIG_ENDIAN_MIPS
-          if(!c) emit_xorimm(addr,2,tl);
-          else x=((constmap[i][s]+offset)^2)-(constmap[i][s]+offset);
-#else
-          if(!c) a=addr;
-#endif
-          if(fastload_reg_override) a=fastload_reg_override;
-          //#ifdef
-          //emit_movzwl_indexed_tlb(x,tl,map,tl);
-          //#else
-          if(map>=0) {
-            emit_movzwl_indexed(x,a,tl);
-          }else{
-            #if 1 //def RAM_OFFSET
-            emit_movzwl_indexed(x,a,tl);
-            #else
-            emit_movzwl_indexed(rdram-0x80000000+x,a,tl);
-            #endif
-          }
-        }
+        int x=0,a=tl;
+        if(!c) a=addr;
+        if(fastload_reg_override) a=fastload_reg_override;
+        emit_movzwl_indexed(x,a,tl);
       }
       if(jaddr)
         add_stub_r(LOADHU_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
@@ -2806,13 +2598,7 @@ void load_assemble(int i,struct regstat *i_regs)
       if(!dummy) {
         int a=addr;
         if(fastload_reg_override) a=fastload_reg_override;
-        //emit_readword_indexed(rdram-0x80000000,addr,tl);
-        #ifdef HOST_IMM_ADDR32
-        if(c)
-          emit_readword_tlb(constmap[i][s]+offset,map,tl);
-        else
-        #endif
-        emit_readword_indexed_tlb(0,a,map,tl);
+        emit_readword_indexed(0,a,tl);
       }
       if(jaddr)
         add_stub_r(LOADW_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
@@ -2823,24 +2609,7 @@ void load_assemble(int i,struct regstat *i_regs)
     emit_zeroreg(th);
   }
   if (opcode[i]==0x37) { // LD
-    if(!c||memtarget) {
-      if(!dummy) {
-        int a=addr;
-        if(fastload_reg_override) a=fastload_reg_override;
-        //if(th>=0) emit_readword_indexed(rdram-0x80000000,addr,th);
-        //emit_readword_indexed(rdram-0x7FFFFFFC,addr,tl);
-        #ifdef HOST_IMM_ADDR32
-        if(c)
-          emit_readdword_tlb(constmap[i][s]+offset,map,th,tl);
-        else
-        #endif
-        emit_readdword_indexed_tlb(0,a,map,th,tl);
-      }
-      if(jaddr)
-        add_stub_r(LOADD_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
-    }
-    else
-      inline_readstub(LOADD_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist);
+    assert(0);
   }
  }
 }
@@ -2855,7 +2624,7 @@ void loadlr_assemble(int i,struct regstat *i_regs)
 
 void store_assemble(int i,struct regstat *i_regs)
 {
-  int s,th,tl,map=-1;
+  int s,tl;
   int addr,temp;
   int offset;
   void *jaddr=0;
@@ -2864,7 +2633,6 @@ void store_assemble(int i,struct regstat *i_regs)
   int agr=AGEN1+(i&1);
   int faststore_reg_override=0;
   u_int hr,reglist=0;
-  th=get_reg(i_regs->regmap,rs2[i]|64);
   tl=get_reg(i_regs->regmap,rs2[i]);
   s=get_reg(i_regs->regmap,rs1[i]);
   temp=get_reg(i_regs->regmap,agr);
@@ -2895,36 +2663,18 @@ void store_assemble(int i,struct regstat *i_regs)
   if (opcode[i]==0x28) { // SB
     if(!c||memtarget) {
       int x=0,a=temp;
-#ifdef BIG_ENDIAN_MIPS
-      if(!c) emit_xorimm(addr,3,temp);
-      else x=((constmap[i][s]+offset)^3)-(constmap[i][s]+offset);
-#else
       if(!c) a=addr;
-#endif
       if(faststore_reg_override) a=faststore_reg_override;
-      //emit_writebyte_indexed(tl,rdram-0x80000000,temp);
-      emit_writebyte_indexed_tlb(tl,x,a,map,a);
+      emit_writebyte_indexed(tl,x,a);
     }
     type=STOREB_STUB;
   }
   if (opcode[i]==0x29) { // SH
     if(!c||memtarget) {
       int x=0,a=temp;
-#ifdef BIG_ENDIAN_MIPS
-      if(!c) emit_xorimm(addr,2,temp);
-      else x=((constmap[i][s]+offset)^2)-(constmap[i][s]+offset);
-#else
       if(!c) a=addr;
-#endif
       if(faststore_reg_override) a=faststore_reg_override;
-      //#ifdef
-      //emit_writehword_indexed_tlb(tl,x,temp,map,temp);
-      //#else
-      if(map>=0) {
-        emit_writehword_indexed(tl,x,a);
-      }else
-        //emit_writehword_indexed(tl,rdram-0x80000000+x,a);
-        emit_writehword_indexed(tl,x,a);
+      emit_writehword_indexed(tl,x,a);
     }
     type=STOREH_STUB;
   }
@@ -2932,27 +2682,12 @@ void store_assemble(int i,struct regstat *i_regs)
     if(!c||memtarget) {
       int a=addr;
       if(faststore_reg_override) a=faststore_reg_override;
-      //emit_writeword_indexed(tl,rdram-0x80000000,addr);
-      emit_writeword_indexed_tlb(tl,0,a,map,temp);
+      emit_writeword_indexed(tl,0,a);
     }
     type=STOREW_STUB;
   }
   if (opcode[i]==0x3F) { // SD
-    if(!c||memtarget) {
-      int a=addr;
-      if(faststore_reg_override) a=faststore_reg_override;
-      if(rs2[i]) {
-        assert(th>=0);
-        //emit_writeword_indexed(th,rdram-0x80000000,addr);
-        //emit_writeword_indexed(tl,rdram-0x7FFFFFFC,addr);
-        emit_writedword_indexed_tlb(th,tl,0,a,map,temp);
-      }else{
-        // Store zero
-        //emit_writeword_indexed(tl,rdram-0x80000000,temp);
-        //emit_writeword_indexed(tl,rdram-0x7FFFFFFC,temp);
-        emit_writedword_indexed_tlb(tl,tl,0,a,map,temp);
-      }
-    }
+    assert(0);
     type=STORED_STUB;
   }
   if(jaddr) {
@@ -3007,9 +2742,8 @@ void store_assemble(int i,struct regstat *i_regs)
 
 void storelr_assemble(int i,struct regstat *i_regs)
 {
-  int s,th,tl;
+  int s,tl;
   int temp;
-  int temp2=-1;
   int offset;
   void *jaddr=0;
   void *case1, *case2, *case3;
@@ -3017,7 +2751,6 @@ void storelr_assemble(int i,struct regstat *i_regs)
   int memtarget=0,c=0;
   int agr=AGEN1+(i&1);
   u_int hr,reglist=0;
-  th=get_reg(i_regs->regmap,rs2[i]|64);
   tl=get_reg(i_regs->regmap,rs2[i]);
   s=get_reg(i_regs->regmap,rs1[i]);
   temp=get_reg(i_regs->regmap,agr);
@@ -3047,22 +2780,13 @@ void storelr_assemble(int i,struct regstat *i_regs)
       emit_jmp(0);
     }
   }
-  #ifdef RAM_OFFSET
-  int map=get_reg(i_regs->regmap,ROREG);
-  if(map<0) emit_loadreg(ROREG,map=HOST_TEMPREG);
-  #else
-  if((u_int)rdram!=0x80000000)
-    emit_addimm_no_flags((u_int)rdram-(u_int)0x80000000,temp);
-  #endif
+  emit_addimm_no_flags(ram_offset,temp);
 
   if (opcode[i]==0x2C||opcode[i]==0x2D) { // SDL/SDR
-    temp2=get_reg(i_regs->regmap,FTEMP);
-    if(!rs2[i]) temp2=th=tl;
+    assert(0);
   }
 
-#ifndef BIG_ENDIAN_MIPS
-    emit_xorimm(temp,3,temp);
-#endif
+  emit_xorimm(temp,3,temp);
   emit_testimm(temp,2);
   case2=out;
   emit_jne(0);
@@ -3077,12 +2801,10 @@ void storelr_assemble(int i,struct regstat *i_regs)
     emit_writebyte_indexed(tl,3,temp);
   }
   if (opcode[i]==0x2C) { // SDL
-    emit_writeword_indexed(th,0,temp);
-    if(rs2[i]) emit_mov(tl,temp2);
+    assert(0);
   }
   if (opcode[i]==0x2D) { // SDR
-    emit_writebyte_indexed(tl,3,temp);
-    if(rs2[i]) emit_shldimm(th,tl,24,temp2);
+    assert(0);
   }
   done0=out;
   emit_jmp(0);
@@ -3101,18 +2823,10 @@ void storelr_assemble(int i,struct regstat *i_regs)
     emit_writehword_indexed(tl,1,temp);
   }
   if (opcode[i]==0x2C) { // SDL
-    if(rs2[i]) emit_shrdimm(tl,th,8,temp2);
-    // Write 3 msb into three least significant bytes
-    if(rs2[i]) emit_rorimm(th,8,th);
-    emit_writehword_indexed(th,-1,temp);
-    if(rs2[i]) emit_rorimm(th,16,th);
-    emit_writebyte_indexed(th,1,temp);
-    if(rs2[i]) emit_rorimm(th,8,th);
+    assert(0);
   }
   if (opcode[i]==0x2D) { // SDR
-    if(rs2[i]) emit_shldimm(th,tl,16,temp2);
-    // Write two lsb into two most significant bytes
-    emit_writehword_indexed(tl,1,temp);
+    assert(0);
   }
   done1=out;
   emit_jmp(0);
@@ -3135,19 +2849,10 @@ void storelr_assemble(int i,struct regstat *i_regs)
     if(rs2[i]) emit_rorimm(tl,24,tl);
   }
   if (opcode[i]==0x2C) { // SDL
-    if(rs2[i]) emit_shrdimm(tl,th,16,temp2);
-    // Write two msb into two least significant bytes
-    if(rs2[i]) emit_rorimm(th,16,th);
-    emit_writehword_indexed(th,-2,temp);
-    if(rs2[i]) emit_rorimm(th,16,th);
+    assert(0);
   }
   if (opcode[i]==0x2D) { // SDR
-    if(rs2[i]) emit_shldimm(th,tl,8,temp2);
-    // Write 3 lsb into three most significant bytes
-    emit_writebyte_indexed(tl,-1,temp);
-    if(rs2[i]) emit_rorimm(tl,8,tl);
-    emit_writehword_indexed(tl,0,temp);
-    if(rs2[i]) emit_rorimm(tl,24,tl);
+    assert(0);
   }
   done2=out;
   emit_jmp(0);
@@ -3164,46 +2869,24 @@ void storelr_assemble(int i,struct regstat *i_regs)
     emit_writeword_indexed(tl,-3,temp);
   }
   if (opcode[i]==0x2C) { // SDL
-    if(rs2[i]) emit_shrdimm(tl,th,24,temp2);
-    // Write msb into least significant byte
-    if(rs2[i]) emit_rorimm(th,24,th);
-    emit_writebyte_indexed(th,-3,temp);
-    if(rs2[i]) emit_rorimm(th,8,th);
+    assert(0);
   }
   if (opcode[i]==0x2D) { // SDR
-    if(rs2[i]) emit_mov(th,temp2);
-    // Write entire word
-    emit_writeword_indexed(tl,-3,temp);
+    assert(0);
   }
   set_jump_target(done0, out);
   set_jump_target(done1, out);
   set_jump_target(done2, out);
   if (opcode[i]==0x2C) { // SDL
-    emit_testimm(temp,4);
-    done0=out;
-    emit_jne(0);
-    emit_andimm(temp,~3,temp);
-    emit_writeword_indexed(temp2,4,temp);
-    set_jump_target(done0, out);
+    assert(0);
   }
   if (opcode[i]==0x2D) { // SDR
-    emit_testimm(temp,4);
-    done0=out;
-    emit_jeq(0);
-    emit_andimm(temp,~3,temp);
-    emit_writeword_indexed(temp2,-4,temp);
-    set_jump_target(done0, out);
+    assert(0);
   }
   if(!c||!memtarget)
     add_stub_r(STORELR_STUB,jaddr,out,i,temp,i_regs,ccadj[i],reglist);
   if(!(i_regs->waswritten&(1<<rs1[i]))&&!(new_dynarec_hacks&NDHACK_NO_SMC_CHECK)) {
-    #ifdef RAM_OFFSET
-    int map=get_reg(i_regs->regmap,ROREG);
-    if(map<0) map=HOST_TEMPREG;
-    gen_orig_addr_w(temp,map);
-    #else
-    emit_addimm_no_flags((u_int)0x80000000-(u_int)rdram,temp);
-    #endif
+    emit_addimm_no_flags(-ram_offset,temp);
     #if defined(HOST_IMM8)
     int ir=get_reg(i_regs->regmap,INVCP);
     assert(ir>=0);
@@ -3283,10 +2966,6 @@ void c2ls_assemble(int i,struct regstat *i_regs)
       fastio_reg_override=HOST_TEMPREG;
     }
     if (opcode[i]==0x32) { // LWC2
-      #ifdef HOST_IMM_ADDR32
-      if(c) emit_readword_tlb(constmap[i][s]+offset,-1,tl);
-      else
-      #endif
       int a=ar;
       if(fastio_reg_override) a=fastio_reg_override;
       emit_readword_indexed(0,a,tl);
@@ -3667,9 +3346,6 @@ void address_generation(int i,struct regstat *i_regs,signed char entry[])
             }else if (opcode[i]==0x1a||opcode[i]==0x1b) {
               emit_movimm((constmap[i][rs]+offset)&0xFFFFFFF8,ra); // LDL/LDR
             }else{
-              #ifdef HOST_IMM_ADDR32
-              if((itype[i]!=LOAD&&(opcode[i]&0x3b)!=0x31&&(opcode[i]&0x3b)!=0x32)) // LWC1/LDC1/LWC2/LDC2
-              #endif
               emit_movimm(constmap[i][rs]+offset,ra);
               regs[i].loadedconst|=1<<ra;
             }
@@ -3701,9 +3377,6 @@ void address_generation(int i,struct regstat *i_regs,signed char entry[])
         }else if (opcode[i+1]==0x1a||opcode[i+1]==0x1b) {
           emit_movimm((constmap[i+1][rs]+offset)&0xFFFFFFF8,ra); // LDL/LDR
         }else{
-          #ifdef HOST_IMM_ADDR32
-          if((itype[i+1]!=LOAD&&(opcode[i+1]&0x3b)!=0x31&&(opcode[i+1]&0x3b)!=0x32)) // LWC1/LDC1/LWC2/LDC2
-          #endif
           emit_movimm(constmap[i+1][rs]+offset,ra);
           regs[i+1].loadedconst|=1<<ra;
         }
@@ -7155,7 +6828,6 @@ int new_recompile_block(int addr)
   assem_debug("NOTCOMPILED: addr = %x -> %p\n", addr, out);
   //printf("TRACE: count=%d next=%d (compile %x)\n",Count,next_interupt,addr);
   //if(debug)
-  //printf("TRACE: count=%d next=%d (checksum %x)\n",Count,next_interupt,mchecksum());
   //printf("fpu mapping=%x enabled=%x\n",(Status & 0x04000000)>>26,(Status & 0x20000000)>>29);
 
   // this is just for speculation
@@ -8062,9 +7734,7 @@ int new_recompile_block(int addr)
             #ifdef USE_MINI_HT
             if(rs1[i]==31) { // JALR
               alloc_reg(&current,i,RHASH);
-              #ifndef HOST_IMM_ADDR32
               alloc_reg(&current,i,RHTBL);
-              #endif
             }
             #endif
             delayslot_alloc(&current,i+1);
@@ -8459,9 +8129,7 @@ int new_recompile_block(int addr)
           #ifdef USE_MINI_HT
           if(rs1[i-1]==31) { // JALR
             alloc_reg(&branch_regs[i-1],i-1,RHASH);
-            #ifndef HOST_IMM_ADDR32
             alloc_reg(&branch_regs[i-1],i-1,RHTBL);
-            #endif
           }
           #endif
           memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap));
@@ -9372,186 +9040,6 @@ int new_recompile_block(int addr)
     }
   }
 
-  // Cache memory offset or tlb map pointer if a register is available
-  #ifndef HOST_IMM_ADDR32
-  #ifndef RAM_OFFSET
-  if(0)
-  #endif
-  {
-    int earliest_available[HOST_REGS];
-    int loop_start[HOST_REGS];
-    int score[HOST_REGS];
-    int end[HOST_REGS];
-    int reg=ROREG;
-
-    // Init
-    for(hr=0;hr<HOST_REGS;hr++) {
-      score[hr]=0;earliest_available[hr]=0;
-      loop_start[hr]=MAXBLOCK;
-    }
-    for(i=0;i<slen-1;i++)
-    {
-      // Can't do anything if no registers are available
-      if(count_free_regs(regs[i].regmap)<=minimum_free_regs[i]) {
-        for(hr=0;hr<HOST_REGS;hr++) {
-          score[hr]=0;earliest_available[hr]=i+1;
-          loop_start[hr]=MAXBLOCK;
-        }
-      }
-      if(itype[i]==UJUMP||itype[i]==RJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) {
-        if(!ooo[i]) {
-          if(count_free_regs(branch_regs[i].regmap)<=minimum_free_regs[i+1]) {
-            for(hr=0;hr<HOST_REGS;hr++) {
-              score[hr]=0;earliest_available[hr]=i+1;
-              loop_start[hr]=MAXBLOCK;
-            }
-          }
-        }else{
-          if(count_free_regs(regs[i].regmap)<=minimum_free_regs[i+1]) {
-            for(hr=0;hr<HOST_REGS;hr++) {
-              score[hr]=0;earliest_available[hr]=i+1;
-              loop_start[hr]=MAXBLOCK;
-            }
-          }
-        }
-      }
-      // Mark unavailable registers
-      for(hr=0;hr<HOST_REGS;hr++) {
-        if(regs[i].regmap[hr]>=0) {
-          score[hr]=0;earliest_available[hr]=i+1;
-          loop_start[hr]=MAXBLOCK;
-        }
-        if(itype[i]==UJUMP||itype[i]==RJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) {
-          if(branch_regs[i].regmap[hr]>=0) {
-            score[hr]=0;earliest_available[hr]=i+2;
-            loop_start[hr]=MAXBLOCK;
-          }
-        }
-      }
-      // No register allocations after unconditional jumps
-      if(itype[i]==UJUMP||itype[i]==RJUMP||(source[i]>>16)==0x1000)
-      {
-        for(hr=0;hr<HOST_REGS;hr++) {
-          score[hr]=0;earliest_available[hr]=i+2;
-          loop_start[hr]=MAXBLOCK;
-        }
-        i++; // Skip delay slot too
-        //printf("skip delay slot: %x\n",start+i*4);
-      }
-      else
-      // Possible match
-      if(itype[i]==LOAD||itype[i]==LOADLR||
-         itype[i]==STORE||itype[i]==STORELR||itype[i]==C1LS) {
-        for(hr=0;hr<HOST_REGS;hr++) {
-          if(hr!=EXCLUDE_REG) {
-            end[hr]=i-1;
-            for(j=i;j<slen-1;j++) {
-              if(regs[j].regmap[hr]>=0) break;
-              if(itype[j]==UJUMP||itype[j]==RJUMP||itype[j]==CJUMP||itype[j]==SJUMP||itype[j]==FJUMP) {
-                if(branch_regs[j].regmap[hr]>=0) break;
-                if(ooo[j]) {
-                  if(count_free_regs(regs[j].regmap)<=minimum_free_regs[j+1]) break;
-                }else{
-                  if(count_free_regs(branch_regs[j].regmap)<=minimum_free_regs[j+1]) break;
-                }
-              }
-              else if(count_free_regs(regs[j].regmap)<=minimum_free_regs[j]) break;
-              if(itype[j]==UJUMP||itype[j]==RJUMP||itype[j]==CJUMP||itype[j]==SJUMP||itype[j]==FJUMP) {
-                int t=(ba[j]-start)>>2;
-                if(t<j&&t>=earliest_available[hr]) {
-                  if(t==1||(t>1&&itype[t-2]!=UJUMP&&itype[t-2]!=RJUMP)||(t>1&&rt1[t-2]!=31)) { // call/ret assumes no registers allocated
-                    // Score a point for hoisting loop invariant
-                    if(t<loop_start[hr]) loop_start[hr]=t;
-                    //printf("set loop_start: i=%x j=%x (%x)\n",start+i*4,start+j*4,start+t*4);
-                    score[hr]++;
-                    end[hr]=j;
-                  }
-                }
-                else if(t<j) {
-                  if(regs[t].regmap[hr]==reg) {
-                    // Score a point if the branch target matches this register
-                    score[hr]++;
-                    end[hr]=j;
-                  }
-                }
-                if(itype[j+1]==LOAD||itype[j+1]==LOADLR||
-                   itype[j+1]==STORE||itype[j+1]==STORELR||itype[j+1]==C1LS) {
-                  score[hr]++;
-                  end[hr]=j;
-                }
-              }
-              if(itype[j]==UJUMP||itype[j]==RJUMP||(source[j]>>16)==0x1000)
-              {
-                // Stop on unconditional branch
-                break;
-              }
-              else
-              if(itype[j]==LOAD||itype[j]==LOADLR||
-                 itype[j]==STORE||itype[j]==STORELR||itype[j]==C1LS) {
-                score[hr]++;
-                end[hr]=j;
-              }
-            }
-          }
-        }
-        // Find highest score and allocate that register
-        int maxscore=0;
-        for(hr=0;hr<HOST_REGS;hr++) {
-          if(hr!=EXCLUDE_REG) {
-            if(score[hr]>score[maxscore]) {
-              maxscore=hr;
-              //printf("highest score: %d %d (%x->%x)\n",score[hr],hr,start+i*4,start+end[hr]*4);
-            }
-          }
-        }
-        if(score[maxscore]>1)
-        {
-          if(i<loop_start[maxscore]) loop_start[maxscore]=i;
-          for(j=loop_start[maxscore];j<slen&&j<=end[maxscore];j++) {
-            //if(regs[j].regmap[maxscore]>=0) {printf("oops: %x %x was %d=%d\n",loop_start[maxscore]*4+start,j*4+start,maxscore,regs[j].regmap[maxscore]);}
-            assert(regs[j].regmap[maxscore]<0);
-            if(j>loop_start[maxscore]) regs[j].regmap_entry[maxscore]=reg;
-            regs[j].regmap[maxscore]=reg;
-            regs[j].dirty&=~(1<<maxscore);
-            regs[j].wasconst&=~(1<<maxscore);
-            regs[j].isconst&=~(1<<maxscore);
-            if(itype[j]==UJUMP||itype[j]==RJUMP||itype[j]==CJUMP||itype[j]==SJUMP||itype[j]==FJUMP) {
-              branch_regs[j].regmap[maxscore]=reg;
-              branch_regs[j].wasdirty&=~(1<<maxscore);
-              branch_regs[j].dirty&=~(1<<maxscore);
-              branch_regs[j].wasconst&=~(1<<maxscore);
-              branch_regs[j].isconst&=~(1<<maxscore);
-              if(itype[j]!=RJUMP&&itype[j]!=UJUMP&&(source[j]>>16)!=0x1000) {
-                regmap_pre[j+2][maxscore]=reg;
-                regs[j+2].wasdirty&=~(1<<maxscore);
-              }
-              // loop optimization (loop_preload)
-              int t=(ba[j]-start)>>2;
-              if(t==loop_start[maxscore]) {
-                if(t==1||(t>1&&itype[t-2]!=UJUMP&&itype[t-2]!=RJUMP)||(t>1&&rt1[t-2]!=31)) // call/ret assumes no registers allocated
-                  regs[t].regmap_entry[maxscore]=reg;
-              }
-            }
-            else
-            {
-              if(j<1||(itype[j-1]!=RJUMP&&itype[j-1]!=UJUMP&&itype[j-1]!=CJUMP&&itype[j-1]!=SJUMP&&itype[j-1]!=FJUMP)) {
-                regmap_pre[j+1][maxscore]=reg;
-                regs[j+1].wasdirty&=~(1<<maxscore);
-              }
-            }
-          }
-          i=j-1;
-          if(itype[j-1]==RJUMP||itype[j-1]==UJUMP||itype[j-1]==CJUMP||itype[j-1]==SJUMP||itype[j-1]==FJUMP) i++; // skip delay slot
-          for(hr=0;hr<HOST_REGS;hr++) {
-            score[hr]=0;earliest_available[hr]=i+i;
-            loop_start[hr]=MAXBLOCK;
-          }
-        }
-      }
-    }
-  }
-  #endif
-
   // This allocates registers (if possible) one instruction prior
   // to use, which can avoid a load-use penalty on certain CPUs.
   for(i=0;i<slen-1;i++)