Commit edab3048 authored by Måns Rullgård's avatar Måns Rullgård
Browse files

check for ARMv6 instruction set support

Originally committed as revision 7719 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 1fdefd98
......@@ -117,6 +117,7 @@ show_help(){
echo " (requires enabling PMC)"
echo " --disable-mmx disable MMX usage"
echo " --disable-armv5te disable armv5te usage"
echo " --disable-armv6 disable armv6 usage"
echo " --disable-iwmmxt disable iwmmxt usage"
echo " --disable-altivec disable AltiVec usage"
echo " --disable-audio-oss disable OSS audio support [default=no]"
......@@ -465,6 +466,7 @@ CONFIG_LIST='
HAVE_LIST='
altivec_h
armv6
beosthreads
byteswap_h
dcbzl
......@@ -574,6 +576,7 @@ mmx="default"
cmov="no"
cmov_is_fast="no"
armv5te="default"
armv6="default"
iwmmxt="default"
altivec="default"
dcbzl="no"
......@@ -963,6 +966,8 @@ for opt do
;;
--disable-armv5te) armv5te="no"
;;
--disable-armv6) armv6="no"
;;
--disable-iwmmxt) iwmmxt="no"
;;
--disable-altivec) altivec="no"
......@@ -1449,6 +1454,14 @@ if test $armv5te = "default" -a $arch = "armv4l"; then
EOF
fi
if test $armv6 = "default" -a $arch = "armv4l"; then
check_cc <<EOF && armv6=yes || armv6=no
int main(void) {
__asm__ __volatile__ ("sadd16 r0, r0, r0");
}
EOF
fi
# check iwmmxt support
if test $iwmmxt = "default" -a $arch = "armv4l"; then
iwmmxt=no
......@@ -1835,6 +1848,7 @@ if test $arch = "x86_32" -o $arch = "x86_64"; then
fi
if test $arch = "armv4l"; then
echo "ARMv5TE enabled $armv5te"
echo "ARMv6 enabled $armv6"
echo "IWMMXT enabled $iwmmxt"
fi
if test $arch = "mips"; then
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment