PR middle-end/55030
* builtins.c (expand_builtin_setjmp_receiver): Update comment
regarding purpose of blockage.
* emit-rtl.c [!HAVE_blockage] (gen_blockage): Similarly for
the head comment.
* rtlanal.c (volatile_insn_p): Ditto.
* doc/md.texi (blockage): Update similarly. Change wording to
require one of two forms, rather than implying a wider choice.
* cse.c (cse_insn): Where checking for blocking insns, use
volatile_insn_p instead of manual check for volatile ASM.
* dse.c (scan_insn): Ditto.
* cselib.c (cselib_process_insn): Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@193802
138bc75d-0d04-0410-961f-
82ee72b054a4