diff options
| -rwxr-xr-x | configure | 35 |
1 files changed, 33 insertions, 2 deletions
@@ -470,6 +470,30 @@ if x86 ; then fi +if [ "$host_arch" = alpha ]; then + echocheck "CPU type" +cat > $TMPC << EOF +int main() { + unsigned long ver, mask; + asm ("implver %0" : "=r" (ver)); + asm ("amask %1, %0" : "=r" (mask) : "r" (-1)); + printf("%ld-%x\n", ver, ~mask); + return 0; +} +EOF + $_cc -o "$TMPO" "$TMPC" + case `"$TMPO"` in + 0-0) proc="ev4" ;; + 1-0) proc="ev5" ;; + 1-1) proc="ev56" ;; + 1-101) proc="pca56" ;; + 2-303) proc="ev6" ;; + 2-307) proc="ev67" ;; + 2-1307) proc="ev68" ;; + esac + echores "$proc" +fi + case "$host_arch" in i[3-9]86|x86*) @@ -599,9 +623,16 @@ EOF _target_arch='TARGET_ARCH_ALPHA = yes' _def_words_endian='#undef WORDS_BIGENDIAN' iproc='alpha' - proc='' _march='' - _mcpu='-mcpu=ev56' + echocheck "GCC & CPU optimization abilities" + if test "$proc" = "ev68" ; then + cc_check -mcpu=$proc || proc=ev67 + fi + if test "$proc" = "ev67" ; then + cc_check -mcpu=$proc || proc=ev6 + fi + _mcpu="-mcpu=$proc" + echores "$proc" ;; mips) |