* read.c (mri_comment_field): New function.
(mri_comment_end): New function.
(s_align_bytes): Use mri_comment_field.
(s_align_ptwo, s_comm, s_mri_common, s_fail, s_globl): Likewise.
(s_float_space, s_struct): Likewise.
(s_space): Use mri_comment_field rather than doing it by hand.
(cons_worker, equals): Likewise.
(s_end): Ignore comments starting with '*' or '!'.
* read.h (mri_comment_field): Declare.
(mri_comment_end): Declare.
* cond.c (s_if): Use mri_comment_field.
* config/tc-m68k.c (s_chip, s_reg): Likewise.