RID_NUM_FPR        57 lj_target_arm.h RID_NUM_FPR = RID_MAX_FPR - RID_MIN_FPR
RID_NUM_FPR        48 lj_target_arm64.h RID_NUM_FPR = RID_MAX_FPR - RID_MIN_FPR
RID_NUM_FPR        70 lj_target_mips.h RID_NUM_FPR = RID_MAX_FPR - RID_MIN_FPR	/* Only even regs are used. */
RID_NUM_FPR        50 lj_target_ppc.h RID_NUM_FPR = RID_MAX_FPR - RID_MIN_FPR
RID_NUM_FPR        62 lj_target_x86.h RID_NUM_FPR = RID_MAX_FPR - RID_MIN_FPR,