cdrom: change pause timing again

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

diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c
index a7bdfbd..70798ef 100644 (file)
--- 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 */
@@ -1724,6 +1734,14 @@ static void do_readstub(int n)
     emit_loadreg(CCREG,2);
   emit_addimm(cc<0?2:cc,(int)stubs[n].d,2);
   emit_far_call(handler);
+#if 0
+  if (type == LOADW_STUB) {
+    // new cycle_count returned in r2
+    emit_addimm(2, -(int)stubs[n].d, cc<0?2:cc);
+    if (cc < 0)
+      emit_storereg(CCREG, 2);
+  }
+#endif
   if(dops[i].itype==C2LS||(rt>=0&&dops[i].rt1!=0)) {
     mov_loadtype_adj(type,0,rt);
   }
@@ -1794,6 +1812,14 @@ static void inline_readstub(enum stub_type type, int i, u_int addr,
 
   emit_far_call(handler);
 
+#if 0
+  if (type == LOADW_STUB) {
+    // new cycle_count returned in r2
+    emit_addimm(2, -adj, cc<0?2:cc);
+    if (cc < 0)
+      emit_storereg(CCREG, 2);
+  }
+#endif
   if(rt>=0&&dops[i].rt1!=0) {
     switch(type) {
       case LOADB_STUB:  emit_signextend8(0,rt); break;
@@ -1877,9 +1903,9 @@ static void do_writestub(int n)
   if(cc<0)
     emit_loadreg(CCREG,2);
   emit_addimm(cc<0?2:cc,(int)stubs[n].d,2);
-  // returns new cycle_count
   emit_far_call(handler);
-  emit_addimm(0,-(int)stubs[n].d,cc<0?2:cc);
+  // new cycle_count returned in r2
+  emit_addimm(2,-(int)stubs[n].d,cc<0?2:cc);
   if(cc<0)
     emit_storereg(CCREG,2);
   if(restore_jump)
@@ -1917,9 +1943,9 @@ static void inline_writestub(enum stub_type type, int i, u_int addr,
     emit_loadreg(CCREG,2);
   emit_addimm(cc<0?2:cc,adj,2);
   emit_movimm((u_int)handler,3);
-  // returns new cycle_count
   emit_far_call(jump_handler_write_h);
-  emit_addimm(0,-adj,cc<0?2:cc);
+  // new cycle_count returned in r2
+  emit_addimm(2,-adj,cc<0?2:cc);
   if(cc<0)
     emit_storereg(CCREG,2);
   restore_regs(reglist);