lj_vm_log2         64 lib_math.c         x = lj_vm_log2(x); y = 1.0 / lj_vm_log2(y);
lj_vm_log2        131 lj_ircall.h      _(FPMATH,	lj_vm_log2,		ARG1_FP,   N, NUM, 0) \
lj_vm_log2         64 lj_vm.h        LJ_ASMF double lj_vm_log2(double);
lj_vm_log2        122 lj_vmmath.c      case IRFPM_LOG2: return lj_vm_log2(x);