Gecko [ 167.86.127.34 ]

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builtin	[ DIR ]	drwxr-xr-x
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cmd	[ DIR ]	drwxr-xr-x
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database	[ DIR ]	drwxr-xr-x
debug	[ DIR ]	drwxr-xr-x
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log	[ DIR ]	drwxr-xr-x
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os	[ DIR ]	drwxr-xr-x
path	[ DIR ]	drwxr-xr-x
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reflect	[ DIR ]	drwxr-xr-x
regexp	[ DIR ]	drwxr-xr-x
runtime	[ DIR ]	drwxr-xr-x
sort	[ DIR ]	drwxr-xr-x
strconv	[ DIR ]	drwxr-xr-x
strings	[ DIR ]	drwxr-xr-x
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text	[ DIR ]	drwxr-xr-x
time	[ DIR ]	drwxr-xr-x
unicode	[ DIR ]	drwxr-xr-x
unsafe	[ DIR ]	drwxr-xr-x
vendor	[ DIR ]	drwxr-xr-x
Make.dist	553 B	-rw-r--r--
README.vendor	2.24 KB	-rw-r--r--
all.bash	407 B	-rwxr-xr-x
all.bat	726 B	-rw-r--r--
all.rc	385 B	-rwxr-xr-x
bootstrap.bash	3.7 KB	-rwxr-xr-x
buildall.bash	1.96 KB	-rwxr-xr-x
clean.bash	521 B	-rwxr-xr-x
clean.bat	565 B	-rw-r--r--
clean.rc	380 B	-rwxr-xr-x
cmp.bash	1.48 KB	-rw-r--r--
go.mod	275 B	-rw-r--r--
go.sum	1.53 KB	-rw-r--r--
iostest.bash	1.94 KB	-rwxr-xr-x
make.bash	6.79 KB	-rwxr-xr-x
make.bat	3.91 KB	-rw-r--r--
make.rc	3.1 KB	-rwxr-xr-x
race.bash	1021 B	-rwxr-xr-x
race.bat	1.02 KB	-rw-r--r--
run.bash	2.1 KB	-rwxr-xr-x
run.bat	1.14 KB	-rw-r--r--
run.rc	435 B	-rwxr-xr-x

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Code Editor : cmp.bash

#!/usr/bin/env bash

# Copyright 2016 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.

# A simple script to compare differences between
# assembly listings for packages built with different
# compiler flags. It is useful to inspect the impact
# of a compiler change across all std lib packages.
#
# The script builds the std library (make.bash) once
# with FLAGS1 and once with FLAGS2 and compares the
# "go build <pkg>" assembly output for each package
# and lists the packages with differences.
#
# It leaves and old.txt and new.txt file in the package
# directories for the packages with differences.

FLAGS1="-newexport=0"
FLAGS2="-newexport=1"

echo
echo
echo "1a) clean build using $FLAGS1"
(export GO_GCFLAGS="$FLAGS1"; sh make.bash)

echo
echo
echo "1b) save go build output for all packages"
for pkg in `go list std`; do
	echo $pkg
	DIR=$GOROOT/src/$pkg
	go build -gcflags "$FLAGS1 -S" -o /dev/null $pkg &> $DIR/old.txt
done

echo
echo
echo "2a) clean build using $FLAGS2"
(export GO_GCFLAGS="$FLAGS2"; sh make.bash)

echo
echo
echo "2b) save go build output for all packages"
for pkg in `go list std`; do
	echo $pkg
	DIR=$GOROOT/src/$pkg
	go build -gcflags "$FLAGS2 -S" -o /dev/null $pkg &> $DIR/new.txt
done

echo
echo
echo "3) compare assembly files"
for pkg in `go list std`; do
	DIR=$GOROOT/src/$pkg

if cmp $DIR/old.txt $DIR/new.txt &> /dev/null
	then rm $DIR/old.txt $DIR/new.txt
	else echo "==> $DIR"
	fi
done

${this.title}

Code Editor : cmp.bash