From 184166b569fe7bfadaed88086b6e3cf29ae0c858 Mon Sep 17 00:00:00 2001 From: "J\"orn Rennecke" Date: Thu, 25 Jul 2002 18:00:38 +0000 Subject: 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 --- gcc/rtl.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'gcc/rtl.h') 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. */ -- cgit v1.2.1