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authorGuillaume Poirier <gpoirier@mplayerhq.hu>2006-10-20 07:27:12 +0000
committerGuillaume Poirier <gpoirier@mplayerhq.hu>2006-10-20 07:27:12 +0000
commite7768fc512cbe6bc22fd5d0bc22bbf4c95001e9a (patch)
tree068b2161e73470eca85c43a03ef95b86a525d6b0 /configure
parenta616db285a1765f81887ed874cfa6ee95429ce0a (diff)
Add x86 conditionnal mov (CMOV) "detection" (based on the cpu passed by --cpu=xx)
Sets HAVE_CMOV define so we can protect relevant code with #ifdef HAVE_CMOV Originally committed as revision 6742 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure15
1 files changed, 14 insertions, 1 deletions
diff --git a/configure b/configure
index d345829e4e..d340ceba4d 100755
--- a/configure
+++ b/configure
@@ -346,6 +346,7 @@ arch=`uname -m`
cpu="generic"
powerpc_perf="no"
mmx="default"
+cmov="no"
armv5te="default"
iwmmxt="default"
altivec="default"
@@ -1100,8 +1101,15 @@ if test $cpu != "generic"; then
TUNECPU=ppc970
POWERPCMODE="64bits"
;;
- i[3456]86|pentium|pentiumpro|pentium-mmx|pentium[234]|pentium-m|prescott|k6|k6-[23]|athlon|athlon-tbird|athlon-4|athlon-[mx]p|winchip-c6|winchip2|c3|nocona|athlon64|k8|opteron|athlon-fx)
+ # targets that do NOT support conditional mov (cmov)
+ i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
add_cflags "-march=$cpu"
+ cmov="no"
+ ;;
+ # targets that do support conditional mov (cmov)
+ i686|pentiumpro|pentium[234]|pentium-m|prescott|athlon|athlon-tbird|athlon-4|athlon-[mx]p|nocona|athlon64|k8|opteron|athlon-fx)
+ add_cflags "-march=$cpu"
+ cmov=yes
;;
sparc64)
add_cflags "-mcpu=v9"
@@ -1550,6 +1558,7 @@ echo "inttypes.h $inttypes"
echo "broken inttypes.h $emu_fast_int"
if test $arch = "x86" -o $arch = "x86_64"; then
echo "MMX enabled $mmx"
+ echo "CMOV enabled $cmov"
fi
if test $arch = "armv4l"; then
echo "ARMv5TE enabled $armv5te"
@@ -1732,6 +1741,10 @@ if test "$mmx" = "yes" ; then
echo "#define HAVE_MMX 1" >> $TMPH
echo "#define __CPU__ 586" >> $TMPH
fi
+if test "$cmov" = "yes" ; then
+ echo "TARGET_CMOV=yes" >> config.mak
+ echo "#define HAVE_CMOV 1" >> $TMPH
+fi
if test "$armv5te" = "yes" ; then
echo "TARGET_ARMV5TE=yes" >> config.mak
echo "#define HAVE_ARMV5TE 1" >> $TMPH