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| author | Eric Botcazou <ebotcazou@adacore.com> | 2009-11-01 22:12:07 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2009-11-01 22:12:07 +0000 |
| commit | ebcc3d93d863c046375534bd8d7526472cd4e239 (patch) | |
| tree | 62f23c951cc8e561a8dda480d655b8c2be82797e /gcc/alias.c | |
| parent | 958dd42b03f9754d12fd247bae52a1871c087237 (diff) | |
| download | gcc-ebcc3d93d863c046375534bd8d7526472cd4e239.zip gcc-ebcc3d93d863c046375534bd8d7526472cd4e239.tar.gz gcc-ebcc3d93d863c046375534bd8d7526472cd4e239.tar.bz2 | |
tree.def (TARGET_MEM_REF): Update comment.
* tree.def (TARGET_MEM_REF): Update comment.
* alias.c (get_alias_set): Retrieve the original memory reference for
a TARGET_MEM_REF before proceeding.
From-SVN: r153796
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index 1d4290f..cdfa6d2 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -640,7 +640,7 @@ get_alias_set (tree t) aren't types. */ if (! TYPE_P (t)) { - tree inner = t; + tree inner; /* Remove any nops, then give the language a chance to do something with this tree before we look at it. */ @@ -649,8 +649,13 @@ get_alias_set (tree t) if (set != -1) return set; + /* Retrieve the original memory reference if needed. */ + if (TREE_CODE (t) == TARGET_MEM_REF) + t = TMR_ORIGINAL (t); + /* First see if the actual object referenced is an INDIRECT_REF from a restrict-qualified pointer or a "void *". */ + inner = t; while (handled_component_p (inner)) { inner = TREE_OPERAND (inner, 0); |