diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index 313a467c36..1f6cba2fd5 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,3 +1,11 @@
+2018-09-28  Компан, Вячеслав Олегович  <kompan.vo@phystech.edu>
+
+	* sim-core.h (sim_cpu_core): Rename cpu_core.xor to
+	cpu_core.byte_xor.
+	* sim-core.c (sim_core_set_xor): Likewise.
+	(sim_core_xor_read_buffer): Likewise.
+	(sim_core_xor_write_buffer): Likewise.
+
 2017-12-12  Peter Gavin  <pgavin@gmail.com>
 	    Stafford Horne  <shorne@gmail.com>
 
diff --git a/sim/common/sim-core.c b/sim/common/sim-core.c
index f26a374bb3..862f36b5f2 100644
--- a/sim/common/sim-core.c
+++ b/sim/common/sim-core.c
@@ -587,7 +587,7 @@ sim_core_set_xor (SIM_DESC sd,
 	    mask = 0;
 	  while (i - 1 < WITH_XOR_ENDIAN)
 	    {
-	      cpu_core->xor[i-1] = mask;
+	      cpu_core->byte_xor[i-1] = mask;
 	      mask = (mask << 1) & (WITH_XOR_ENDIAN - 1);
 	      i = (i << 1);
 	    }
@@ -634,7 +634,8 @@ sim_core_xor_read_buffer (SIM_DESC sd,
 			  address_word addr,
 			  unsigned nr_bytes)
 {
-  address_word byte_xor = (cpu == NULL ? STATE_CORE (sd)->byte_xor : CPU_CORE (cpu)->xor[0]);
+  address_word byte_xor
+    = (cpu == NULL ? STATE_CORE (sd)->byte_xor : CPU_CORE (cpu)->byte_xor[0]);
   if (!WITH_XOR_ENDIAN || !byte_xor)
     return sim_core_read_buffer (sd, cpu, map, buffer, addr, nr_bytes);
   else
@@ -686,7 +687,8 @@ sim_core_xor_write_buffer (SIM_DESC sd,
 			   address_word addr,
 			   unsigned nr_bytes)
 {
-  address_word byte_xor = (cpu == NULL ? STATE_CORE (sd)->byte_xor : CPU_CORE (cpu)->xor[0]);
+  address_word byte_xor
+    = (cpu == NULL ? STATE_CORE (sd)->byte_xor : CPU_CORE (cpu)->byte_xor[0]);
   if (!WITH_XOR_ENDIAN || !byte_xor)
     return sim_core_write_buffer (sd, cpu, map, buffer, addr, nr_bytes);
   else
diff --git a/sim/common/sim-core.h b/sim/common/sim-core.h
index ccfe48fba6..305d1564b3 100644
--- a/sim/common/sim-core.h
+++ b/sim/common/sim-core.h
@@ -89,7 +89,7 @@ struct _sim_core {
 
 typedef struct _sim_cpu_core {
   sim_core_common common;
-  address_word xor[WITH_XOR_ENDIAN + 1]; /* +1 to avoid zero-sized array */
+  address_word byte_xor[WITH_XOR_ENDIAN + 1]; /* +1 to avoid zero-sized array */
 } sim_cpu_core;