From: notaz <notasas@gmail.com>
Date: Tue, 16 Nov 2021 00:54:03 +0000 (+0200)
Subject: drc: adjust timing to be closer to the interpreter
X-Git-Tag: r23~77
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=commitdiff_plain;h=bb4f300c387365b819531cdec63ef17473f37817

drc: adjust timing to be closer to the interpreter
---

diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c
index f9333f2d..a4d418fd 100644
--- a/libpcsxcore/new_dynarec/assem_arm.c
+++ b/libpcsxcore/new_dynarec/assem_arm.c
@@ -1736,7 +1736,7 @@ static void do_readstub(int n)
   int cc=get_reg(i_regmap,CCREG);
   if(cc<0)
     emit_loadreg(CCREG,2);
-  emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d+1),2);
+  emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d),2);
   emit_far_call(handler);
   if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) {
     mov_loadtype_adj(type,0,rt);
@@ -1757,7 +1757,7 @@ static void inline_readstub(enum stub_type type, int i, u_int addr, signed char
   uintptr_t host_addr = 0;
   void *handler;
   int cc=get_reg(regmap,CCREG);
-  if(pcsx_direct_read(type,addr,CLOCK_ADJUST(adj+1),cc,target?rs:-1,rt))
+  if(pcsx_direct_read(type,addr,CLOCK_ADJUST(adj),cc,target?rs:-1,rt))
     return;
   handler = get_direct_memhandler(mem_rtab, addr, type, &host_addr);
   if (handler == NULL) {
@@ -1797,11 +1797,11 @@ static void inline_readstub(enum stub_type type, int i, u_int addr, signed char
     emit_loadreg(CCREG,2);
   if(is_dynamic) {
     emit_movimm(((u_int *)mem_rtab)[addr>>12]<<1,1);
-    emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
+    emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj),2);
   }
   else {
     emit_readword(&last_count,3);
-    emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
+    emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj),2);
     emit_add(2,3,2);
     emit_writeword(2,&Count);
   }
@@ -1890,10 +1890,10 @@ static void do_writestub(int n)
   int cc=get_reg(i_regmap,CCREG);
   if(cc<0)
     emit_loadreg(CCREG,2);
-  emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d+1),2);
+  emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d),2);
   // returns new cycle_count
   emit_far_call(handler);
-  emit_addimm(0,-CLOCK_ADJUST((int)stubs[n].d+1),cc<0?2:cc);
+  emit_addimm(0,-CLOCK_ADJUST((int)stubs[n].d),cc<0?2:cc);
   if(cc<0)
     emit_storereg(CCREG,2);
   if(restore_jump)
@@ -1928,11 +1928,11 @@ static void inline_writestub(enum stub_type type, int i, u_int addr, signed char
   int cc=get_reg(regmap,CCREG);
   if(cc<0)
     emit_loadreg(CCREG,2);
-  emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
+  emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj),2);
   emit_movimm((u_int)handler,3);
   // returns new cycle_count
   emit_far_call(jump_handler_write_h);
-  emit_addimm(0,-CLOCK_ADJUST(adj+1),cc<0?2:cc);
+  emit_addimm(0,-CLOCK_ADJUST(adj),cc<0?2:cc);
   if(cc<0)
     emit_storereg(CCREG,2);
   restore_regs(reglist);
diff --git a/libpcsxcore/new_dynarec/assem_arm64.c b/libpcsxcore/new_dynarec/assem_arm64.c
index ef87b293..6380b272 100644
--- a/libpcsxcore/new_dynarec/assem_arm64.c
+++ b/libpcsxcore/new_dynarec/assem_arm64.c
@@ -1436,7 +1436,7 @@ static void do_readstub(int n)
   int cc=get_reg(i_regmap,CCREG);
   if(cc<0)
     emit_loadreg(CCREG,2);
-  emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d+1),2);
+  emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d),2);
   emit_far_call(handler);
   // (no cycle reload after read)
   if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) {
@@ -1458,7 +1458,7 @@ static void inline_readstub(enum stub_type type, int i, u_int addr, signed char
   uintptr_t host_addr = 0;
   void *handler;
   int cc=get_reg(regmap,CCREG);
-  //if(pcsx_direct_read(type,addr,CLOCK_ADJUST(adj+1),cc,target?rs:-1,rt))
+  //if(pcsx_direct_read(type,addr,CLOCK_ADJUST(adj),cc,target?rs:-1,rt))
   //  return;
   handler = get_direct_memhandler(mem_rtab, addr, type, &host_addr);
   if (handler == NULL) {
@@ -1499,7 +1499,7 @@ static void inline_readstub(enum stub_type type, int i, u_int addr, signed char
     emit_mov(rs,0);
   if(cc<0)
     emit_loadreg(CCREG,2);
-  emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
+  emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj),2);
   if(is_dynamic) {
     uintptr_t l1 = ((uintptr_t *)mem_rtab)[addr>>12] << 1;
     emit_adrp((void *)l1, 1);
@@ -1595,10 +1595,10 @@ static void do_writestub(int n)
   int cc=get_reg(i_regmap,CCREG);
   if(cc<0)
     emit_loadreg(CCREG,2);
-  emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d+1),2);
+  emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d),2);
   // returns new cycle_count
   emit_far_call(handler);
-  emit_addimm(0,-CLOCK_ADJUST((int)stubs[n].d+1),cc<0?2:cc);
+  emit_addimm(0,-CLOCK_ADJUST((int)stubs[n].d),cc<0?2:cc);
   if(cc<0)
     emit_storereg(CCREG,2);
   if(restore_jump)
@@ -1638,12 +1638,12 @@ static void inline_writestub(enum stub_type type, int i, u_int addr, signed char
   cc = cc_use = get_reg(regmap, CCREG);
   if (cc < 0)
     emit_loadreg(CCREG, (cc_use = 2));
-  emit_addimm(cc_use, CLOCK_ADJUST(adj+1), 2);
+  emit_addimm(cc_use, CLOCK_ADJUST(adj), 2);
 
   emit_far_call(do_memhandler_pre);
   emit_far_call(handler);
   emit_far_call(do_memhandler_post);
-  emit_addimm(0, -CLOCK_ADJUST(adj+1), cc_use);
+  emit_addimm(0, -CLOCK_ADJUST(adj), cc_use);
   if (cc < 0)
     emit_storereg(CCREG, cc_use);
   restore_regs(reglist);
diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c
index a1d7f6a4..4ec3c53c 100644
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -4478,11 +4478,13 @@ void do_cc(int i,signed char i_regmap[],int *adj,int addr,int taken,int invert)
   else if(*adj==0||invert) {
     int cycles=CLOCK_ADJUST(count+2);
     // faster loop HACK
+#if 0
     if (t&&*adj) {
       int rel=t-i;
       if(-NO_CYCLE_PENALTY_THR<rel&&rel<0)
         cycles=CLOCK_ADJUST(*adj)+count+2-*adj;
     }
+#endif
     emit_addimm_and_set_flags(cycles,HOST_CCREG);
     jaddr=out;
     emit_jns(0);