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📄 Make.dist(553 B)
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📄 all.bash(407 B)
📄 all.bat(758 B)
📄 all.rc(388 B)
📁 archive
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📁 bufio
📄 buildall.bash(1.83 KB)
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📄 clean.bat(600 B)
📄 clean.rc(380 B)
📁 cmd
📄 cmp.bash(1.48 KB)
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📄 make.bash(7.77 KB)
📄 make.bat(4.8 KB)
📄 make.rc(3.38 KB)
📁 math
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📄 race.bash(919 B)
📄 race.bat(1.07 KB)
📁 reflect
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📄 run.bash(1.75 KB)
📄 run.bat(844 B)
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Editing: 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

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Editing: cmp.bash

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