+- elif test "X$allegro_cv_processor_type" = "Xamd64"; then
+- dnl Change default pentium->athlon64
+- if test "X$allegro_optimizations" = "Xpentium"; then
+- allegro_optimizations="k8"
+- fi
+- if test "$allegro_exclusive_optimizations" != none; then
+- TARGET_ARCH="-march=$allegro_exclusive_optimizations"
+- elif test "X$allegro_cv_support_amd64_mtune" = "Xyes"; then
+- TARGET_ARCH="-mtune=$allegro_optimizations"
+- else
+- TARGET_ARCH="-mcpu=$allegro_optimizations"
+- fi