Rename A64 port to ARM64 port

tools/draw_instruction_graph.sh

 #!/bin/bash
 #
 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 12 matching lines @@
 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 # This script reads in CSV formatted instruction data, and draws a stacked
 # graph in png format.
 
-defaultfile=a64_inst.csv
-defaultout=a64_inst.png
+defaultfile=arm64_inst.csv
+defaultout=arm64_inst.png
 gnuplot=/usr/bin/gnuplot
 
 
 # File containing CSV instruction data from simulator.
 file=${1:-$defaultfile}
 
 # Output graph png file.
 out=${2:-$defaultout}
 
 # Check input file exists.
@@ skipping 76 matching lines @@
 
 set style line 20 lc rgb '#000000'
 set style line 21 lc rgb '#ffffff'
 
 plot for [i=2:MAXCOL] '$file' using 1:(sum [col=i:MAXCOL] column(col)) \
 title columnheader(i) with filledcurve y1=0 ls i
 EOF