--- a/src/hotspot/cpu/aarch64/c1_Runtime1_aarch64.cpp	Mon Feb 19 04:50:50 2018 +0100
+++ b/src/hotspot/cpu/aarch64/c1_Runtime1_aarch64.cpp	Mon Feb 19 15:07:21 2018 +0100
@@ -821,7 +821,7 @@
           __ andr(arr_size, arr_size, ~MinObjAlignmentInBytesMask);
 
           __ eden_allocate(obj, arr_size, 0, t1, slow_path);  // preserves arr_size
-          __ incr_allocated_bytes(thread, arr_size, 0, rscratch1);
+          __ incr_allocated_bytes(rthread, arr_size, 0, rscratch1);
 
           __ initialize_header(obj, klass, length, t1, t2);
           __ ldrb(t1, Address(klass, in_bytes(Klass::layout_helper_offset()) + (Klass::_lh_header_size_shift / BitsPerByte)));

--- a/src/hotspot/cpu/x86/c1_Runtime1_x86.cpp	Mon Feb 19 04:50:50 2018 +0100
+++ b/src/hotspot/cpu/x86/c1_Runtime1_x86.cpp	Mon Feb 19 15:07:21 2018 +0100
@@ -1031,7 +1031,7 @@
           // refilling the TLAB or allocating directly from eden.
           Label retry_tlab, try_eden;
           const Register thread = NOT_LP64(rdi) LP64_ONLY(r15_thread);
-          NOT_LP64(get_thread(thread_reg));
+          NOT_LP64(__ get_thread(thread));
 
           __ bind(try_eden);
           // get the instance size (size is postive so movl is fine for 64bit)
@@ -1140,7 +1140,7 @@
 
           // Using t2 for non 64-bit.
           const Register thread = NOT_LP64(t2) LP64_ONLY(r15_thread);
-          NOT_LP64(get_thread(thread_reg));
+          NOT_LP64(__ get_thread(thread));
           __ incr_allocated_bytes(thread, arr_size, 0);
 
           __ initialize_header(obj, klass, length, t1, t2);