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authorRichard Guenther <rguenther@suse.de>2008-02-17 15:06:53 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2008-02-17 15:06:53 +0000
commitf0a77246d3d8bdf1e72502ed94c6f8c56e45333d (patch)
tree2d5e1161b4800aa52bde6044527705c5a433fe4a
parente09deb1401d411beebe1f56c8435bb9af8e1f4cc (diff)
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re PR middle-end/35227 (gcc ICEs for functions with unused complex argument)
2008-02-17 Richard Guenther <rguenther@suse.de> PR middle-end/35227 * tree-complex.c (init_parameter_lattice_values): Handle parameters without default definition. * gcc.dg/torture/pr35227.c: New testcase. From-SVN: r132379
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/torture/pr35227.c9
-rw-r--r--gcc/tree-complex.c13
4 files changed, 26 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 946eb6a..2b3033e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
2008-02-17 Richard Guenther <rguenther@suse.de>
+ PR middle-end/35227
+ * tree-complex.c (init_parameter_lattice_values): Handle parameters
+ without default definition.
+
+2008-02-17 Richard Guenther <rguenther@suse.de>
+
PR tree-optimization/35231
* tree-vrp.c (register_edge_assert_for): Do not assume A == 0
if A | B != 1.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c167949..7f8b32a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
2008-02-17 Richard Guenther <rguenther@suse.de>
+ PR middle-end/35227
+ * gcc.dg/torture/pr35227.c: New testcase.
+
+2008-02-17 Richard Guenther <rguenther@suse.de>
+
PR tree-optimization/35231
* gcc.c-torture/execute/pr35231.c: New testcase.
diff --git a/gcc/testsuite/gcc.dg/torture/pr35227.c b/gcc/testsuite/gcc.dg/torture/pr35227.c
new file mode 100644
index 0000000..d951d25
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr35227.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+
+mandel(double _Complex C)
+{
+ int py;
+ C = (__extension__ 1.0iF) * (double)py;
+ return cabs(C); /* { dg-warning "incompatible" } */
+}
+
diff --git a/gcc/tree-complex.c b/gcc/tree-complex.c
index a1964ee..b9c7ebc 100644
--- a/gcc/tree-complex.c
+++ b/gcc/tree-complex.c
@@ -161,15 +161,14 @@ is_complex_reg (tree lhs)
static void
init_parameter_lattice_values (void)
{
- tree parm;
+ tree parm, ssa_name;
for (parm = DECL_ARGUMENTS (cfun->decl); parm ; parm = TREE_CHAIN (parm))
- if (is_complex_reg (parm) && var_ann (parm) != NULL)
- {
- tree ssa_name = gimple_default_def (cfun, parm);
- VEC_replace (complex_lattice_t, complex_lattice_values,
- SSA_NAME_VERSION (ssa_name), VARYING);
- }
+ if (is_complex_reg (parm)
+ && var_ann (parm) != NULL
+ && (ssa_name = gimple_default_def (cfun, parm)) != NULL_TREE)
+ VEC_replace (complex_lattice_t, complex_lattice_values,
+ SSA_NAME_VERSION (ssa_name), VARYING);
}
/* Initialize DONT_SIMULATE_AGAIN for each stmt and phi. Return false if