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# Check if APP_ABI=armeabi-v7a use "rev" instructions for __swapXX
# See https://android-review.googlesource.com/#/c/17144
#
fail_panic ()
{
if [ $? != 0 ] ; then
echo "ERROR: $@"
exit 1
fi
}
for opt do
optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
case "$opt" in
APP_ABI=*)
APP_ABI=$optarg
;;
esac
done
if [ -z "$APP_ABI" -o "$APP_ABI" = "all" -o "$APP_ABI" != "${APP_ABI%%armeabi-v7a*}" ]; then
# checking armeabi-v7a
$NDK/ndk-build -B APP_ABI=armeabi-v7a APP_CFLAGS=-save-temps NDK_DEBUG=1
fail_panic "can't compile for APP_ABI=armeabi-v7a"
grep -qw rev16 issue17144-byteswap.s
fail_panic "armeabi-v7a doesn't use rev16 instruction for __swap16()"
grep -qw rev issue17144-byteswap.s
fail_panic "armeabi-v7a doesn't use rev instruciton for __swap32()"
fi
if [ -z "$APP_ABI" -o "$APP_ABI" = "all" -o "$APP_ABI" != "${APP_ABI%%x86*}" ]; then
# checking x86
$NDK/ndk-build -B APP_ABI=x86 APP_CFLAGS=-save-temps NDK_DEBUG=1
fail_panic "can't compile for x86"
grep -qw rorw issue17144-byteswap.s
fail_panic "x86 doesn't use rorw instruction for __swap16()"
grep -qw bswap issue17144-byteswap.s
fail_panic "x86 doesn't use bswap instruciton for __swap32()"
fi
if [ -z "$APP_ABI" -o "$APP_ABI" = "all" -o "$APP_ABI" != "${APP_ABI%%mips*}" ]; then
# checking mips
# Note that MD_SWAP in machine/endian.h is only defined for r2. Add
# -mips32r2 because default Android toolchain support r1
$NDK/ndk-build -B APP_ABI=mips APP_CFLAGS="-save-temps -mips32r2" NDK_DEBUG=1
fail_panic "can't compile for mips"
grep -qw wsbh issue17144-byteswap.s
fail_panic "mips doesn't use wsbh instruction for __swap16()"
grep -w rotr issue17144-byteswap.s | grep -qw rotr
fail_panic "mips doesn't use wsbh/rotr instruciton for __swap32()"
fi
rm -rf libs obj issue17144-byteswap.*
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