X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fnew_dynarec%2Fassem_arm.c;h=bdb81b4d5f8599ca639326e3eefe9de6ccf1a4d2;hb=33a1eda13ebe624fc1233d820c8db7dcd7aba0d8;hp=88b2ff36c432d3ddeda35dbe44ca650bd676faea;hpb=a5cd72d0e598f037fd9d9f23948af5b2fb06e2eb;p=pcsx_rearmed.git

diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c
index 88b2ff36..bdb81b4d 100644
--- a/libpcsxcore/new_dynarec/assem_arm.c
+++ b/libpcsxcore/new_dynarec/assem_arm.c
@@ -217,16 +217,26 @@ static void alloc_arm_reg(struct regstat *cur,int i,signed char reg,int hr)
     }
   }
 
-  cur->regmap[hr]=reg;
-  cur->dirty&=~(1<<hr);
-  cur->dirty|=dirty<<hr;
-  cur->isconst&=~(1<<hr);
+  assert(n == hr || cur->regmap[hr] < 0 || !((cur->noevict >> hr) & 1));
+  cur->regmap[hr] = reg;
+  cur->dirty &= ~(1 << hr);
+  cur->dirty |= dirty << hr;
+  cur->isconst &= ~(1u << hr);
+  cur->noevict |= 1u << hr;
 }
 
 // Alloc cycle count into dedicated register
-static void alloc_cc(struct regstat *cur,int i)
+static void alloc_cc(struct regstat *cur, int i)
 {
-  alloc_arm_reg(cur,i,CCREG,HOST_CCREG);
+  alloc_arm_reg(cur, i, CCREG, HOST_CCREG);
+}
+
+static void alloc_cc_optional(struct regstat *cur, int i)
+{
+  if (cur->regmap[HOST_CCREG] < 0) {
+    alloc_arm_reg(cur, i, CCREG, HOST_CCREG);
+    cur->noevict &= ~(1u << HOST_CCREG);
+  }
 }
 
 /* Assembler */
@@ -442,7 +452,6 @@ static void emit_loadreg(int r, int hr)
     //case HIREG: addr = &hi; break;
     //case LOREG: addr = &lo; break;
     case CCREG: addr = &cycle_count; break;
-    case CSREG: addr = &psxRegs.CP0.n.SR; break;
     case INVCP: addr = &invc_ptr; break;
     case ROREG: addr = &ram_offset; break;
     default:
@@ -882,7 +891,7 @@ static void emit_cmovs_imm(int imm,int rt)
   output_w32(0x43a00000|rd_rn_rm(rt,0,0)|armval);
 }
 
-static void emit_cmovne_reg(int rs,int rt)
+static unused void emit_cmovne_reg(int rs,int rt)
 {
   assem_debug("movne %s,%s\n",regname[rt],regname[rs]);
   output_w32(0x11a00000|rd_rn_rm(rt,0,rs));
@@ -1737,28 +1746,27 @@ static void do_readstub(int n)
 static void inline_readstub(enum stub_type type, int i, u_int addr,
   const signed char regmap[], int target, int adj, u_int reglist)
 {
-  int rs=get_reg(regmap,target);
-  int rt=get_reg(regmap,target);
-  if(rs<0) rs=get_reg_temp(regmap);
-  assert(rs>=0);
+  int ra = cinfo[i].addr;
+  int rt = get_reg(regmap,target);
+  assert(ra >= 0);
   u_int is_dynamic;
   uintptr_t host_addr = 0;
   void *handler;
   int cc=get_reg(regmap,CCREG);
-  if(pcsx_direct_read(type,addr,adj,cc,target?rs:-1,rt))
+  if(pcsx_direct_read(type,addr,adj,cc,target?ra:-1,rt))
     return;
   handler = get_direct_memhandler(mem_rtab, addr, type, &host_addr);
   if (handler == NULL) {
     if(rt<0||dops[i].rt1==0)
       return;
     if(addr!=host_addr)
-      emit_movimm_from(addr,rs,host_addr,rs);
+      emit_movimm_from(addr,ra,host_addr,ra);
     switch(type) {
-      case LOADB_STUB:  emit_movsbl_indexed(0,rs,rt); break;
-      case LOADBU_STUB: emit_movzbl_indexed(0,rs,rt); break;
-      case LOADH_STUB:  emit_movswl_indexed(0,rs,rt); break;
-      case LOADHU_STUB: emit_movzwl_indexed(0,rs,rt); break;
-      case LOADW_STUB:  emit_readword_indexed(0,rs,rt); break;
+      case LOADB_STUB:  emit_movsbl_indexed(0,ra,rt); break;
+      case LOADBU_STUB: emit_movzbl_indexed(0,ra,rt); break;
+      case LOADH_STUB:  emit_movswl_indexed(0,ra,rt); break;
+      case LOADHU_STUB: emit_movzwl_indexed(0,ra,rt); break;
+      case LOADW_STUB:  emit_readword_indexed(0,ra,rt); break;
       default:          assert(0);
     }
     return;
@@ -1779,8 +1787,8 @@ static void inline_readstub(enum stub_type type, int i, u_int addr,
   save_regs(reglist);
   if(target==0)
     emit_movimm(addr,0);
-  else if(rs!=0)
-    emit_mov(rs,0);
+  else if(ra!=0)
+    emit_mov(ra,0);
   if(cc<0)
     emit_loadreg(CCREG,2);
   if(is_dynamic) {
@@ -1893,19 +1901,19 @@ static void do_writestub(int n)
 static void inline_writestub(enum stub_type type, int i, u_int addr,
   const signed char regmap[], int target, int adj, u_int reglist)
 {
-  int rs=get_reg_temp(regmap);
-  int rt=get_reg(regmap,target);
-  assert(rs>=0);
+  int ra = cinfo[i].addr;
+  int rt = get_reg(regmap, target);
+  assert(ra>=0);
   assert(rt>=0);
   uintptr_t host_addr = 0;
   void *handler = get_direct_memhandler(mem_wtab, addr, type, &host_addr);
   if (handler == NULL) {
     if(addr!=host_addr)
-      emit_movimm_from(addr,rs,host_addr,rs);
+      emit_movimm_from(addr,ra,host_addr,ra);
     switch(type) {
-      case STOREB_STUB: emit_writebyte_indexed(rt,0,rs); break;
-      case STOREH_STUB: emit_writehword_indexed(rt,0,rs); break;
-      case STOREW_STUB: emit_writeword_indexed(rt,0,rs); break;
+      case STOREB_STUB: emit_writebyte_indexed(rt,0,ra); break;
+      case STOREH_STUB: emit_writehword_indexed(rt,0,ra); break;
+      case STOREW_STUB: emit_writeword_indexed(rt,0,ra); break;
       default:          assert(0);
     }
     return;
@@ -1913,7 +1921,7 @@ static void inline_writestub(enum stub_type type, int i, u_int addr,
 
   // call a memhandler
   save_regs(reglist);
-  pass_args(rs,rt);
+  pass_args(ra,rt);
   int cc=get_reg(regmap,CCREG);
   if(cc<0)
     emit_loadreg(CCREG,2);