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| author | J"orn Rennecke <joern.rennecke@superh.com> | 2002-07-25 18:00:38 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2002-07-25 19:00:38 +0100 |
| commit | 184166b569fe7bfadaed88086b6e3cf29ae0c858 (patch) | |
| tree | 35bafdc671e7556aa7f4954bfc2d932a8c03237e /gcc/rtl.h | |
| parent | 40cb04f19b3d49770cd90927700c493adaff58b8 (diff) | |
| download | gcc-184166b569fe7bfadaed88086b6e3cf29ae0c858.tar.gz | |
rtl.h (mem_attrs): Spell out more clearly the roles of ALIGN, SIZE, EXPR and OFFSET.
* rtl.h (mem_attrs): Spell out more clearly the roles of ALIGN,
SIZE, EXPR and OFFSET.
From-SVN: r55753
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/rtl.h b/gcc/rtl.h index 9490dd7fb8b..f14465f2235 100644 --- a/gcc/rtl.h +++ b/gcc/rtl.h @@ -89,6 +89,9 @@ typedef struct so MEMs that the same attributes share a data structure. This means they cannot be modified in place. If any element is nonzero, it means the value of the corresponding attribute is unknown. */ +/* ALIGN and SIZE are the alignment and size of the MEM itself, + while EXPR can describe a larger underlying object, which might have a + stricter alignment; OFFSET is the offset of the MEM within that object. */ typedef struct mem_attrs GTY(()) { HOST_WIDE_INT alias; /* Memory alias set. */ |