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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-11-30 05:16:36 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-11-30 05:16:36 +0000 |
| commit | bc4381667a31bd5f1e677d64c789b1e959df00d5 (patch) | |
| tree | a6b80dca8f72a2e7640e4d535901e42325b2a954 /gcc/gimple.c | |
| parent | 1cd66bce1663eb648638d311b493de0dcc4146c3 (diff) | |
| parent | 738c50b853f5ba0eaf93e23f6d29cbac761eef9e (diff) | |
| download | gcc-reload-v2a.tar.gz | |
Weekly merge from trunk. No regressions.reload-v2a
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/reload-v2a@181834 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gimple.c')
| -rw-r--r-- | gcc/gimple.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/gimple.c b/gcc/gimple.c index 6168d33ac05..071c6515b4c 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -2858,8 +2858,18 @@ is_gimple_ip_invariant_address (const_tree t) return false; op = strip_invariant_refs (TREE_OPERAND (t, 0)); + if (!op) + return false; + + if (TREE_CODE (op) == MEM_REF) + { + const_tree op0 = TREE_OPERAND (op, 0); + return (TREE_CODE (op0) == ADDR_EXPR + && (CONSTANT_CLASS_P (TREE_OPERAND (op0, 0)) + || decl_address_ip_invariant_p (TREE_OPERAND (op0, 0)))); + } - return op && (CONSTANT_CLASS_P (op) || decl_address_ip_invariant_p (op)); + return CONSTANT_CLASS_P (op) || decl_address_ip_invariant_p (op); } /* Return true if T is a GIMPLE minimal invariant. It's a restricted |