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authorJakub Jelinek <jakub@redhat.com>2010-11-05 12:08:01 +0100
committerJakub Jelinek <jakub@gcc.gnu.org>2010-11-05 12:08:01 +0100
commitcb1150418276ecc5a39261ad5a4204c8d9632803 (patch)
tree9dcd42def1d16831b55540a712c92971e7364378 /gcc
parenta5ad8c30d627e2e243ebd0662c2d4dac778462d5 (diff)
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cfgexpand.c (expand_debug_expr): Handle MEM_REF with non-zero offset.
* cfgexpand.c (expand_debug_expr): Handle MEM_REF with non-zero offset. From-SVN: r166353
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog3
-rw-r--r--gcc/cfgexpand.c13
2 files changed, 12 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a752a51..749951a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
2010-11-05 Jakub Jelinek <jakub@redhat.com>
+ * cfgexpand.c (expand_debug_expr): Handle MEM_REF
+ with non-zero offset.
+
PR debug/46307
* tree-ssa-operands.c (get_expr_operands): Handle FMA_EXPR.
* tree-pretty-print.c (dump_generic_node): Likewise.
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c
index b302591..c44649e 100644
--- a/gcc/cfgexpand.c
+++ b/gcc/cfgexpand.c
@@ -2552,15 +2552,20 @@ expand_debug_expr (tree exp)
}
case MEM_REF:
- /* ??? FIXME. */
- if (!integer_zerop (TREE_OPERAND (exp, 1)))
- return NULL;
- /* Fallthru. */
case INDIRECT_REF:
op0 = expand_debug_expr (TREE_OPERAND (exp, 0));
if (!op0)
return NULL;
+ if (TREE_CODE (exp) == MEM_REF)
+ {
+ op1 = expand_debug_expr (TREE_OPERAND (exp, 1));
+ if (!op1 || !CONST_INT_P (op1))
+ return NULL;
+
+ op0 = plus_constant (op0, INTVAL (op1));
+ }
+
if (POINTER_TYPE_P (TREE_TYPE (exp)))
as = TYPE_ADDR_SPACE (TREE_TYPE (TREE_TYPE (exp)));
else