drc: fix bad gte unneeded reg assumption

[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 3a86dba..ebf733b 100644 (file)
--- a/libpcsxcore/new_dynarec/assem_arm.c
+++ b/libpcsxcore/new_dynarec/assem_arm.c
@@ -4215,10 +4215,10 @@ void cop0_assemble(int i,struct regstat *i_regs)
         emit_writeword(HOST_CCREG,(int)&last_count);
         emit_movimm(0,HOST_CCREG);
         emit_storereg(CCREG,HOST_CCREG);
-        if(s!=1)
-          emit_mov(s,1);
+        emit_loadreg(rs1[i],1);
         emit_movimm(copr,0);
         emit_call((int)pcsx_mtc0_ds);
+        emit_loadreg(rs1[i],s);
         return;
       }
 #endif
@@ -4230,7 +4230,9 @@ void cop0_assemble(int i,struct regstat *i_regs)
     //else if(copr==12&&is_delayslot) emit_call((int)MTC0_R12);
     //else
 #ifdef PCSX
-    if(s!=1)
+    if(s==HOST_CCREG)
+      emit_loadreg(rs1[i],1);
+    else if(s!=1)
       emit_mov(s,1);
     emit_movimm(copr,0);
     emit_call((int)pcsx_mtc0);
@@ -4239,23 +4241,21 @@ void cop0_assemble(int i,struct regstat *i_regs)
 #endif
     if(copr==9||copr==11||copr==12||copr==13) {
       emit_readword((int)&Count,HOST_CCREG);
-      emit_readword((int)&next_interupt,ECX);
+      emit_readword((int)&next_interupt,HOST_TEMPREG);
       emit_addimm(HOST_CCREG,-CLOCK_ADJUST(ccadj[i]),HOST_CCREG);
-      emit_sub(HOST_CCREG,ECX,HOST_CCREG);
-      emit_writeword(ECX,(int)&last_count);
+      emit_sub(HOST_CCREG,HOST_TEMPREG,HOST_CCREG);
+      emit_writeword(HOST_TEMPREG,(int)&last_count);
       emit_storereg(CCREG,HOST_CCREG);
     }
     if(copr==12||copr==13) {
       assert(!is_delayslot);
       emit_readword((int)&pending_exception,14);
+      emit_test(14,14);
+      emit_jne((int)&do_interrupt);
     }
     emit_loadreg(rs1[i],s);
     if(get_reg(i_regs->regmap,rs1[i]|64)>=0)
       emit_loadreg(rs1[i]|64,get_reg(i_regs->regmap,rs1[i]|64));
-    if(copr==12||copr==13) {
-      emit_test(14,14);
-      emit_jne((int)&do_interrupt);
-    }
     cop1_usable=0;
   }
   else
@@ -4492,8 +4492,8 @@ static void c2op_assemble(int i,struct regstat *i_regs)
   if (gte_handlers[c2op]!=NULL) {
     need_flags=!(gte_unneeded[i+1]>>63); // +1 because of how liveness detection works
     need_ir=(gte_unneeded[i+1]&0xe00)!=0xe00;
-    assem_debug("gte unneeded %016llx, need_flags %d, need_ir %d\n",
-      gte_unneeded[i+1],need_flags,need_ir);
+    assem_debug("gte op %08x, unneeded %016llx, need_flags %d, need_ir %d\n",
+      source[i],gte_unneeded[i+1],need_flags,need_ir);
     if(new_dynarec_hacks&NDHACK_GTE_NO_FLAGS)
       need_flags=0;
     int shift = (source[i] >> 19) & 1;