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Use -march=native (avail. since gcc 4.2) when possible 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24371 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
zuxy 2007-09-08 18:04:47 +00:00
parent a7aae21ad0
commit bab14c11d7
1 changed files with 2 additions and 0 deletions
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2
configure vendored
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@ -1770,6 +1770,7 @@ cat > $TMPC << EOF
int main(void) { return 0; }
EOF
if test "$_runtime_cpudetection" = no ; then
cc_check -march=native && proc=native
if test "$proc" = "k8"; then
cc_check -march=$proc $cpuopt=$proc || proc=athlon-xp
fi
@ -1915,6 +1916,7 @@ int main(void) { return 0; }
EOF
# This is a stripped-down version of the i386 fallback.
if test "$_runtime_cpudetection" = no ; then
cc_check -march=native && proc=native
# --- AMD processors ---
if test "$proc" = "k8"; then
cc_check -march=$proc $cpuopt=$proc || proc=athlon-xp