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authorbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2011-05-27 08:35:25 +0000
committerbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2011-05-27 08:35:25 +0000
commitfc41dd820f53334fd95a07641cbbd733b7b9259b (patch)
treef44354f2300ceeaafa15d37492c626cbd7947142 /gcc/tree-ssa-address.c
parentec0b5f7df306d2cb5edc57ac08024cf114f805b5 (diff)
downloadgcc-fc41dd820f53334fd95a07641cbbd733b7b9259b.tar.gz
2011-05-27 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk rev 174319 using svnmerge git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@174323 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-address.c')
-rw-r--r--gcc/tree-ssa-address.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/tree-ssa-address.c b/gcc/tree-ssa-address.c
index 07d1d4db43b..2e6eabc8ccb 100644
--- a/gcc/tree-ssa-address.c
+++ b/gcc/tree-ssa-address.c
@@ -361,8 +361,11 @@ create_mem_ref_raw (tree type, tree alias_ptr_type, struct mem_address *addr,
index2 = addr->base;
}
- /* If possible use a plain MEM_REF instead of a TARGET_MEM_REF. */
- if (alias_ptr_type
+ /* If possible use a plain MEM_REF instead of a TARGET_MEM_REF.
+ ??? As IVOPTs does not follow restrictions to where the base
+ pointer may point to create a MEM_REF only if we know that
+ base is valid. */
+ if (TREE_CODE (base) == ADDR_EXPR
&& (!index2 || integer_zerop (index2))
&& (!addr->index || integer_zerop (addr->index)))
return fold_build2 (MEM_REF, type, base, addr->offset);