* doc/rtl.texi (Regs and Memory): Document (mem:BLK (scratch)).
From-SVN: r51936
This commit is contained in:
parent
39b945d23b
commit
5f9fb0e305
|
@ -1,3 +1,7 @@
|
|||
2002-04-05 Richard Henderson <rth@redhat.com>
|
||||
|
||||
* doc/rtl.texi (Regs and Memory): Document (mem:BLK (scratch)).
|
||||
|
||||
2002-04-05 Jakub Jeilnek <jakub@redhat.com>
|
||||
|
||||
* mklibgcc.in: Use $tmpmapfile, not tmp-$@.
|
||||
|
|
|
@ -1558,6 +1558,10 @@ a unit of memory is accessed. @var{alias} specifies an alias set for the
|
|||
reference. In general two items are in different alias sets if they cannot
|
||||
reference the same memory address.
|
||||
|
||||
The construct @code{(mem:BLK (scratch))} is considered to alias all
|
||||
other memories. Thus it may be used as a memory barrier in epilogue
|
||||
stack deallocation patterns.
|
||||
|
||||
@findex addressof
|
||||
@item (addressof:@var{m} @var{reg})
|
||||
This RTX represents a request for the address of register @var{reg}. Its mode
|
||||
|
|
Loading…
Reference in New Issue