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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/cfgexpand.c10
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/pr23324.c133
3 files changed, 143 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4d78b4d..d66f28e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-10-12 Richard Henderson <rth@redhat.com>
+
+ PR rtl-opt/23324
+ * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
+
2005-10-12 Richard Guenther <rguenther@suse.de>
* Makefile.in (CGRAPH_H): Depend on $(TREE_H).
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c
index 7c58e55..69546bf 100644
--- a/gcc/cfgexpand.c
+++ b/gcc/cfgexpand.c
@@ -285,14 +285,14 @@ add_alias_set_conflicts (void)
for (i = 0; i < n; ++i)
{
- bool aggr_i = AGGREGATE_TYPE_P (TREE_TYPE (stack_vars[i].decl));
- HOST_WIDE_INT set_i = get_alias_set (stack_vars[i].decl);
+ tree type_i = TREE_TYPE (stack_vars[i].decl);
+ bool aggr_i = AGGREGATE_TYPE_P (type_i);
for (j = 0; j < i; ++j)
{
- bool aggr_j = AGGREGATE_TYPE_P (TREE_TYPE (stack_vars[j].decl));
- HOST_WIDE_INT set_j = get_alias_set (stack_vars[j].decl);
- if (aggr_i != aggr_j || !alias_sets_conflict_p (set_i, set_j))
+ tree type_j = TREE_TYPE (stack_vars[j].decl);
+ bool aggr_j = AGGREGATE_TYPE_P (type_j);
+ if (aggr_i != aggr_j || !objects_must_conflict_p (type_i, type_j))
add_stack_var_conflict (i, j);
}
}
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr23324.c b/gcc/testsuite/gcc.c-torture/execute/pr23324.c
new file mode 100644
index 0000000..c5f88f7
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr23324.c
@@ -0,0 +1,133 @@
+extern void abort (void);
+#define A(x) if (!(x)) abort ()
+
+static union at6 {} vv6 = {};
+static struct et6
+{
+ struct bt6
+ {
+ signed av6:6;
+ signed bv6:7;
+ signed cv6:6;
+ signed dv6:5;
+ unsigned char ev6;
+ unsigned int fv6;
+ long int gv6;
+ } mv6;
+ unsigned long int nv6;
+ signed ov6:12;
+ signed pv6:3;
+ signed qv6:2;
+ signed rv6:10;
+ union ct6 { long int hv6; float iv6; float jv6; } sv6;
+ int *tv6;
+ union dt6 { double kv6; float lv6; } uv6;
+} wv6 = {
+ { 8, 9, 2, 4, '\x10', 67426805U, 1047191860L },
+ 1366022414UL, 858, 1, 1, 305,
+ { 1069379046L }, (int *) 358273621U,
+ { 3318.041978 }
+};
+static double xv6 = 19239.101269;
+static long long int yv6 = 1207859169L;
+static int zv6 = 660195606;
+
+static union at6
+callee_af6 (struct et6 ap6, double bp6, long long int cp6, int dp6)
+{
+ A (wv6.mv6.av6 == ap6.mv6.av6);
+ A (wv6.mv6.bv6 == ap6.mv6.bv6);
+ A (wv6.mv6.cv6 == ap6.mv6.cv6);
+ A (wv6.mv6.dv6 == ap6.mv6.dv6);
+ A (wv6.mv6.ev6 == ap6.mv6.ev6);
+ A (wv6.mv6.fv6 == ap6.mv6.fv6);
+ A (wv6.mv6.gv6 == ap6.mv6.gv6);
+ A (wv6.nv6 == ap6.nv6);
+ A (wv6.ov6 == ap6.ov6);
+ A (wv6.pv6 == ap6.pv6);
+ A (wv6.qv6 == ap6.qv6);
+ A (wv6.rv6 == ap6.rv6);
+ A (wv6.sv6.hv6 == ap6.sv6.hv6);
+ A (wv6.tv6 == ap6.tv6);
+ A (wv6.uv6.kv6 == ap6.uv6.kv6);
+ A (xv6 == bp6);
+ A (yv6 == cp6);
+ A (zv6 == dp6);
+ return vv6;
+}
+
+static void
+caller_bf6 (void)
+{
+ union at6 bav6;
+ bav6 = callee_af6 (wv6, xv6, yv6, zv6);
+}
+
+static unsigned char uv7 = '\x46';
+static float vv7 = 96636.982442;
+static double wv7 = 28450.711801;
+static union ct7 {} xv7 = {};
+static struct et7
+{
+ struct dt7
+ {
+ float iv7;
+ unsigned short int jv7;
+ } kv7;
+ float lv7[0];
+ signed mv7:9;
+ short int nv7;
+ double ov7;
+ float pv7;
+} yv7 = {
+ { 30135.996213, 42435 },
+ {}, 170, 22116, 26479.628148, 4082.960685
+};
+static union ft7
+{
+ float qv7;
+ float *rv7;
+ unsigned int *sv7;
+} zv7 = { 5042.227886 };
+static int bav7 = 1345451862;
+static struct gt7 { double tv7; } bbv7 = { 47875.491954 };
+static long int bcv7[1] = { 1732133482L };
+static long long int bdv7 = 381678602L;
+
+static unsigned char
+callee_af7 (float ap7, double bp7, union ct7 cp7, struct et7 dp7,
+ union ft7 ep7, int fp7, struct gt7 gp7, long int hp7[1],
+ long long int ip7)
+{
+ A (vv7 == ap7);
+ A (wv7 == bp7);
+ A (yv7.kv7.iv7 == dp7.kv7.iv7);
+ A (yv7.kv7.jv7 == dp7.kv7.jv7);
+ A (yv7.mv7 == dp7.mv7);
+ A (yv7.nv7 == dp7.nv7);
+ A (yv7.ov7 == dp7.ov7);
+ A (yv7.pv7 == dp7.pv7);
+ A (zv7.qv7 == ep7.qv7);
+ A (bav7 == fp7);
+ A (bbv7.tv7 == gp7.tv7);
+ A (bcv7[0] == hp7[0]);
+ A (bdv7 == ip7);
+ return uv7;
+}
+
+static void
+caller_bf7 (void)
+{
+ unsigned char bev7;
+
+ bev7 = callee_af7 (vv7, wv7, xv7, yv7, zv7, bav7, bbv7, bcv7, bdv7);
+ A (uv7 == bev7);
+}
+
+int
+main ()
+{
+ caller_bf6 ();
+ caller_bf7 ();
+ return 0;
+}