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rename --tune to --cpu and make --cpu pass the apropriate -march=xx option to the compiler.

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Note that previous implementation (--tune) wasn't consistent with regards to setting -march/-mcpu/-mtune whereas current --cpu now is
Original thread:
Date: Oct 17, 2006 3:20 PM (patch) || Date: Oct 13, 2006 12:03 PM (suggestion of configure clean-up)
Subject: Re: [Ffmpeg-devel] [PATH] test if cpu supports CMOV

Originally committed as revision 6729 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Guillaume Poirier 2006-10-18 12:33:42 +00:00
parent 708e3e7d2d
commit 38d0a8aad8
1 changed files with 17 additions and 17 deletions
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34
configure vendored
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@ -73,8 +73,8 @@ show_help(){
echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
echo " --build-suffix=SUFFIX suffix for application specific build []"
echo " --arch=ARCH select architecture [$arch]"
echo " --tune=CPU tune code for a particular CPU"
echo " (may fail or perform badly on other CPUs)"
echo " --cpu=CPU selects the minimum cpu required (affects
instruction selection, may crash on older CPUs)"
echo " --powerpc-perf-enable enable performance report on PPC"
echo " (requires enabling PMC)"
echo " --disable-mmx disable MMX usage"
@ -343,7 +343,7 @@ ranlib="ranlib"
make="make"
strip="strip"
arch=`uname -m`
tune="generic"
cpu="generic"
powerpc_perf="no"
mmx="default"
armv5te="default"
@ -717,7 +717,7 @@ for opt do
;;
--arch=*) arch="$optval"
;;
--tune=*) tune="$optval"
--cpu=*) cpu="$optval"
;;
--powerpc-perf-enable) powerpc_perf="yes"
;;
@ -1048,52 +1048,52 @@ fi
# Add processor-specific flags
TUNECPU="generic"
POWERPCMODE="32bits"
if test $tune != "generic"; then
case $tune in
if test $cpu != "generic"; then
case $cpu in
601|ppc601|PowerPC601)
add_cflags "-mcpu=601"
add_cflags "-march=601"
if test $altivec = "yes"; then
echo "WARNING: Tuning for PPC601 but AltiVec enabled!";
fi
TUNECPU=ppc601
;;
603*|ppc603*|PowerPC603*)
add_cflags "-mcpu=603"
add_cflags "-march=603"
if test $altivec = "yes"; then
echo "WARNING: Tuning for PPC603 but AltiVec enabled!";
fi
TUNECPU=ppc603
;;
604*|ppc604*|PowerPC604*)
add_cflags "-mcpu=604"
add_cflags "-march=604"
if test $altivec = "yes"; then
echo "WARNING: Tuning for PPC604 but AltiVec enabled!";
fi
TUNECPU=ppc604
;;
G3|g3|75*|ppc75*|PowerPC75*)
add_cflags "-mcpu=750 -mtune=750 -mpowerpc-gfxopt"
add_cflags "-march=750 -mpowerpc-gfxopt"
if test $altivec = "yes"; then
echo "WARNING: Tuning for PPC75x but AltiVec enabled!";
fi
TUNECPU=ppc750
;;
G4|g4|745*|ppc745*|PowerPC745*)
add_cflags "-mcpu=7450 -mtune=7450 -mpowerpc-gfxopt"
add_cflags "-march=7450 -mpowerpc-gfxopt"
if test $altivec = "no"; then
echo "WARNING: Tuning for PPC745x but AltiVec disabled!";
fi
TUNECPU=ppc7450
;;
74*|ppc74*|PowerPC74*)
add_cflags "-mcpu=7400 -mtune=7400 -mpowerpc-gfxopt"
add_cflags "-march=7400 -mpowerpc-gfxopt"
if test $altivec = "no"; then
echo "WARNING: Tuning for PPC74xx but AltiVec disabled!";
fi
TUNECPU=ppc7400
;;
G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
add_cflags "-mcpu=970 -mtune=970 -mpowerpc-gfxopt -mpowerpc64"
add_cflags "-march=970 -mpowerpc-gfxopt -mpowerpc64"
if test $altivec = "no"; then
echo "WARNING: Tuning for PPC970 but AltiVec disabled!";
fi
@ -1101,13 +1101,13 @@ if test $tune != "generic"; then
POWERPCMODE="64bits"
;;
i[3456]86|pentium|pentiumpro|pentium-mmx|pentium[234]|pentium-m|prescott|k6|k6-[23]|athlon|athlon-tbird|athlon-4|athlon-[mx]p|winchip-c6|winchip2|c3|nocona|athlon64|k8|opteron|athlon-fx)
add_cflags "-march=$tune"
add_cflags "-march=$cpu"
;;
sparc64)
add_cflags "-mcpu=v9 -mtune=v9"
add_cflags "-march=v9"
;;
*)
echo "WARNING: Unknown CPU \"$tune\", ignored."
echo "WARNING: Unknown CPU \"$cpu\", ignored."
;;
esac
fi
@ -1541,7 +1541,7 @@ echo "install prefix $PREFIX"
echo "source path $source_path"
echo "C compiler $cc"
echo "make $make"
echo "ARCH $arch ($tune)"
echo "ARCH $arch ($cpu)"
if test "$BUILDSUF" != ""; then
echo "build suffix $BUILDSUF"
fi