1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
# DP: Fix PR target/59588 (AArch64), backport proposed patch.
gcc/
2014-01-11 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
Kugan Vivekanandarajah <kuganv@linaro.org>
PR target/59588
* config/aarch64/aarch64.c (aarch64_build_constant): Fix incorrect
truncation.
gcc/testsuite/
2014-01-11 Matthew Gretton-Dann <matthew.gretton-dann@linaro.org>
Kugan Vivekanandarajah <kuganv@linaro.org>
PR target/59695
* g++.dg/pr59695.C: New file.
--- a/src/gcc/config/aarch64/aarch64.c
+++ b/src/gcc/config/aarch64/aarch64.c
@@ -2486,7 +2486,7 @@ aarch64_build_constant (int regnum, HOST_WIDE_INT val)
if (ncount < zcount)
{
emit_move_insn (gen_rtx_REG (Pmode, regnum),
- GEN_INT ((~val) & 0xffff));
+ GEN_INT (~((~val) & 0xffff)));
tval = 0xffff;
}
else
--- a/src/gcc/testsuite/g++.dg/pr59695.C
+++ b/src/gcc/testsuite/g++.dg/pr59695.C
@@ -0,0 +1,125 @@
+
+/* PR target/53055 */
+/* { dg-do run { target aarch64*-*-* } } */
+/* { dg-options "-O0" } */
+
+#define DEFINE_VIRTUALS_FNS(i) virtual void xxx##i () {} \
+ virtual void foo1_##i () {}\
+ virtual void foo2_##i () {}\
+ virtual void foo3_##i () {}\
+ virtual void foo4_##i () {}\
+ virtual void foo5_##i () {}\
+ virtual void foo6_##i () {}\
+ virtual void foo7_##i () {}\
+ virtual void foo8_##i () {}\
+ virtual void foo9_##i () {}\
+ virtual void foo10_##i () {}\
+ virtual void foo11_##i () {}\
+ virtual void foo12_##i () {}\
+ virtual void foo13_##i () {}\
+ virtual void foo14_##i () {}\
+ virtual void foo15_##i () {}\
+ virtual void foo16_##i () {}\
+ virtual void foo17_##i () {}\
+ virtual void foo18_##i () {}\
+ virtual void foo19_##i () {}\
+ virtual void foo20_##i () {}\
+ virtual void foo21_##i () {}\
+ virtual void foo22_##i () {}\
+
+class base_class_2
+{
+
+public:
+ /* Define lots of virtual functions */
+ DEFINE_VIRTUALS_FNS (1)
+ DEFINE_VIRTUALS_FNS (2)
+ DEFINE_VIRTUALS_FNS (3)
+ DEFINE_VIRTUALS_FNS (4)
+ DEFINE_VIRTUALS_FNS (5)
+ DEFINE_VIRTUALS_FNS (6)
+ DEFINE_VIRTUALS_FNS (7)
+ DEFINE_VIRTUALS_FNS (8)
+ DEFINE_VIRTUALS_FNS (9)
+ DEFINE_VIRTUALS_FNS (10)
+ DEFINE_VIRTUALS_FNS (11)
+ DEFINE_VIRTUALS_FNS (12)
+ DEFINE_VIRTUALS_FNS (13)
+ DEFINE_VIRTUALS_FNS (14)
+ DEFINE_VIRTUALS_FNS (15)
+ DEFINE_VIRTUALS_FNS (16)
+ DEFINE_VIRTUALS_FNS (17)
+ DEFINE_VIRTUALS_FNS (18)
+ DEFINE_VIRTUALS_FNS (19)
+ DEFINE_VIRTUALS_FNS (20)
+
+ base_class_2();
+ virtual ~base_class_2 ();
+};
+
+base_class_2::base_class_2()
+{
+}
+
+base_class_2::~base_class_2 ()
+{
+}
+
+class base_class_1
+{
+public:
+ virtual ~base_class_1();
+ base_class_1();
+};
+
+base_class_1::base_class_1()
+{
+}
+
+base_class_1::~base_class_1()
+{
+}
+
+class base_Impl_class :
+ virtual public base_class_2, public base_class_1
+{
+public:
+ base_Impl_class ();
+ virtual ~base_Impl_class ();
+};
+
+base_Impl_class::base_Impl_class ()
+{
+}
+
+base_Impl_class::~base_Impl_class ()
+{
+}
+
+
+class test_cls : public base_Impl_class
+{
+public:
+ test_cls();
+ virtual ~test_cls();
+};
+
+test_cls::test_cls()
+{
+}
+
+test_cls::~test_cls()
+{
+}
+
+int main()
+{
+ test_cls *test = new test_cls;
+ base_class_2 *p1 = test;
+
+ /* PR 53055 destructor thunk offsets are not setup
+ correctly resulting in crash. */
+ delete p1;
+ return 0;
+}
+
|