A64_LDR64I
emit(A64_LDR64I(dst, src_adj, off_adj), ctx);
emit(A64_LDR64I(A64_R(10), A64_SP, retval_off), ctx);
A64_LDR64I(reg, A64_SP, bargs_off) :
emit(A64_LDR64I(tmp, A64_FP, soff), ctx);
emit(A64_LDR64I(reg, A64_SP, bargs_off), ctx);
emit(A64_LDR64I(A64_R(10), A64_SP, retaddr_off), ctx);
emit(A64_LDR64I(A64_R(19), A64_SP, regs_off), ctx);
emit(A64_LDR64I(A64_R(20), A64_SP, regs_off + 8), ctx);
emit(A64_LDR64I(A64_R(0), A64_SP, retval_off), ctx);
emit(A64_LDR64I(tcc, ptr, 0), ctx);