diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 15 |
1 files changed, 14 insertions, 1 deletions
@@ -347,6 +347,7 @@ cpu="generic" powerpc_perf="no" mmx="default" cmov="no" +cmov_is_fast="no" armv5te="default" iwmmxt="default" altivec="default" @@ -1107,9 +1108,16 @@ if test $cpu != "generic"; then cmov="no" ;; # targets that do support conditional mov (cmov) - i686|pentiumpro|pentium[234]|pentium-m|prescott|athlon|athlon-tbird|athlon-4|athlon-[mx]p|nocona|athlon64|k8|opteron|athlon-fx) + i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx) add_cflags "-march=$cpu" cmov="yes" + cmov_is_fast="yes" + ;; + # targets that do support conditional mov but on which it's slow + pentium4|prescott|nocona) + add_cflags "-march=$cpu" + cmov="yes" + cmov_is_fast="no" ;; sparc64) add_cflags "-mcpu=v9" @@ -1559,6 +1567,7 @@ echo "broken inttypes.h $emu_fast_int" if test $arch = "x86" -o $arch = "x86_64"; then echo "MMX enabled $mmx" echo "CMOV enabled $cmov" + echo "CMOV is fast $cmov_is_fast" fi if test $arch = "armv4l"; then echo "ARMv5TE enabled $armv5te" @@ -1745,6 +1754,10 @@ if test "$cmov" = "yes" ; then echo "TARGET_CMOV=yes" >> config.mak echo "#define HAVE_CMOV 1" >> $TMPH fi +if test "$cmov_is_fast" = "yes" ; then + echo "TARGET_CMOV_IS_FAST=yes" >> config.mak + echo "#define CMOV_IS_FAST 1" >> $TMPH +fi if test "$armv5te" = "yes" ; then echo "TARGET_ARMV5TE=yes" >> config.mak echo "#define HAVE_ARMV5TE 1" >> $TMPH |