versionmatch
if (versionmatch(cpuver, regno, n))
if (bits == n->bits && versionmatch(cpuver, regno, n))
versionmatch(cpuver, regno, n)) {
if (versionmatch(cpuver, regno, n))
if (bits == n->bits && versionmatch(cpuver, regno, n))
versionmatch(cpuver, regno, n)) {