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| author | Diego Novillo <dnovillo@cygnus.com> | 1999-11-19 17:23:37 +0000 |
|---|---|---|
| committer | Diego Novillo <dnovillo@gcc.gnu.org> | 1999-11-19 12:23:37 -0500 |
| commit | 14592a41e8724dbf266fd1f052e805d1e5d4589b (patch) | |
| tree | 065a2c9c7a42b038403395c651f8fc6ba9e38da8 /gcc/rtl.texi | |
| parent | e5315fad4d55bcde37bf635060ddb7ba3f65417a (diff) | |
| download | gcc-14592a41e8724dbf266fd1f052e805d1e5d4589b.zip gcc-14592a41e8724dbf266fd1f052e805d1e5d4589b.tar.gz gcc-14592a41e8724dbf266fd1f052e805d1e5d4589b.tar.bz2 | |
rtl.texi (mem): Add documentation for alias-set argument to RTX `mem'.
* rtl.texi (mem): Add documentation for alias-set argument
to RTX `mem'.
From-SVN: r30589
Diffstat (limited to 'gcc/rtl.texi')
| -rw-r--r-- | gcc/rtl.texi | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/rtl.texi b/gcc/rtl.texi index 6ad3b8a..0901aa7 100644 --- a/gcc/rtl.texi +++ b/gcc/rtl.texi @@ -1293,10 +1293,12 @@ All instructions that do not jump alter the program counter implicitly by incrementing it, but there is no need to mention this in the RTL. @findex mem -@item (mem:@var{m} @var{addr}) +@item (mem:@var{m} @var{addr} @var{alias}) This RTX represents a reference to main memory at an address represented by the expression @var{addr}. @var{m} specifies how large -a unit of memory is accessed. +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. @findex addressof @item (addressof:@var{m} @var{reg}) |