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-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/cfgexpand.c4
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5958166..95914c7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-07-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/45006
+ * cfgexpand.c (expand_debug_expr): Only look at TYPE_UNSIGNED of
+ operand's type if exp is tcc_unary class tree.
+
2010-07-20 Nathan Froyd <froydnj@codesourcery.com>
* config/rs6000/rs6000.md (abs<mode>2_isel, nabs<mode>2_isel):
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c
index 3d7bdd0..fef3190 100644
--- a/gcc/cfgexpand.c
+++ b/gcc/cfgexpand.c
@@ -2427,7 +2427,9 @@ expand_debug_expr (tree exp)
op0 = simplify_gen_subreg (mode, op0, inner_mode,
subreg_lowpart_offset (mode,
inner_mode));
- else if (TYPE_UNSIGNED (TREE_TYPE (TREE_OPERAND (exp, 0))))
+ else if (TREE_CODE_CLASS (TREE_CODE (exp)) == tcc_unary
+ ? TYPE_UNSIGNED (TREE_TYPE (TREE_OPERAND (exp, 0)))
+ : unsignedp)
op0 = gen_rtx_ZERO_EXTEND (mode, op0);
else
op0 = gen_rtx_SIGN_EXTEND (mode, op0);