xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.base/gnu_vector.exp (revision 92e958de60c71aa0f2452bd7074cbb006fe6546b) 
1# Copyright 2010-2015 Free Software Foundation, Inc.
2
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation; either version 3 of the License, or
6# (at your option) any later version.
7#
8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11# GNU General Public License for more details.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
15#
16# Contributed by Ken Werner <ken.werner@de.ibm.com>.
17#
18# Tests GDBs support for GNU vectors.
19# http://gcc.gnu.org/onlinedocs/gcc/Vector-Extensions.html
20
21standard_testfile .c
22
23if [get_compiler_info] {
24    return -1
25}
26
27# Check if our compiler is a GCC that suppports the vector extension
28if { ![test_compiler_info gcc-4-*] } {
29    setup_xfail "*-*-*"
30    fail "This compiler can not handle GNU vectors"
31    return 0
32}
33
34if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} {debug}] } {
35    return -1
36}
37
38if { ![runto main] } {
39    fail "runto main"
40    return -1
41}
42
43# Get endianess for the scalar->vector casts
44gdb_test_multiple "show endian" "show endian" {
45    -re ".* (big|little) endian.*$gdb_prompt $" {
46	set endian $expect_out(1,string)
47	pass "endianness: $endian"
48    }
49}
50
51# Test printing of character vector types
52gdb_test "print c4" "\\\$$decimal = \\{1, 2, 3, 4\\}"
53gdb_test "print c4\[2\]" "\\\$$decimal = 3"
54
55# Test operators on integer vector types
56gdb_test "print i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
57gdb_test "print i4b" "\\\$$decimal = \\{1, 2, 8, 4\\}"
58# Arithmetic operators
59gdb_test "print i4a + i4b" "\\\$$decimal = \\{3, 6, 16, 20\\}"
60gdb_test "print i4a - i4b" "\\\$$decimal = \\{1, 2, 0, 12\\}"
61gdb_test "print i4a * i4b" "\\\$$decimal = \\{2, 8, 64, 64\\}"
62gdb_test "print i4a / i4b" "\\\$$decimal = \\{2, 2, 1, 4\\}"
63gdb_test "print i4a % i4b" "\\\$$decimal = \\{0, 0, 0, 0\\}"
64gdb_test "print i4a++" "\\\$$decimal = \\{2, 4, 8, 16\\}"
65gdb_test "print ++i4a" "\\\$$decimal = \\{4, 6, 10, 18\\}"
66gdb_test "print i4a--" "\\\$$decimal = \\{4, 6, 10, 18\\}"
67gdb_test "print --i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
68gdb_test "print +i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
69gdb_test "print -i4a" "\\\$$decimal = \\{-2, -4, -8, -16\\}"
70
71# Bitwise operators
72gdb_test "print i4a & i4b" "\\\$$decimal = \\{0, 0, 8, 0\\}"
73gdb_test "print i4a | i4b" "\\\$$decimal = \\{3, 6, 8, 20\\}"
74gdb_test "print i4a ^ i4b" "\\\$$decimal = \\{3, 6, 0, 20\\}"
75gdb_test "print ~i4a" "\\\$$decimal = \\{-3, -5, -9, -17\\}"
76# Shift operators
77gdb_test "print i4a << i4b" "\\\$$decimal = \\{4, 16, 2048, 256\\}"
78gdb_test "print i4a >> i4b" "\\\$$decimal = \\{1, 1, 0, 1\\}"
79
80# Test operators on floating point vector types
81gdb_test "print f4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
82gdb_test "print f4b" "\\\$$decimal = \\{1, 2, 8, 4\\}"
83# Arithmetic operators
84gdb_test "print f4a + f4b" "\\\$$decimal = \\{3, 6, 16, 20\\}"
85gdb_test "print f4a - f4b" "\\\$$decimal = \\{1, 2, 0, 12\\}"
86gdb_test "print f4a * f4b" "\\\$$decimal = \\{2, 8, 64, 64\\}"
87gdb_test "print f4a / f4b" "\\\$$decimal = \\{2, 2, 1, 4\\}"
88gdb_test "print +f4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
89gdb_test "print -f4a" "\\\$$decimal = \\{-2, -4, -8, -16\\}"
90
91# When casting to vector the input type must have the same length as
92# the total length of the vector.
93gdb_test "print (char4) 0x01010101" "\\\$$decimal = \\{1, 1, 1, 1\\}"
94gdb_test "print (int2) lla" "\\\$$decimal = \\{1, 1\\}"
95
96if { ![string compare $endian big] } then {
97    gdb_test "print (char4) ia" "\\\$$decimal = \\{0, 0, 0, 2\\}"
98} else {
99    gdb_test "print (char4) ia" "\\\$$decimal = \\{2, 0, 0, 0\\}"
100}
101
102gdb_test "print (int2) 1" "can only cast scalar to vector of same size"
103gdb_test "print (longlong2) 2" "can only cast scalar to vector of same size"
104gdb_test "print (float2) 3" "can only cast scalar to vector of same size"
105gdb_test "print (double2) 4" "can only cast scalar to vector of same size"
106gdb_test "print (uint4) ia" "can only cast scalar to vector of same size"
107gdb_test "print (int4) -3" "can only cast scalar to vector of same size"
108gdb_test "print (float4) 4" "can only cast scalar to vector of same size"
109
110gdb_test "print i4b = ia" "can only cast scalar to vector of same size"
111gdb_test "print i4a = 3" "can only cast scalar to vector of same size"
112gdb_test "print f4a = fb" "can only cast scalar to vector of same size"
113gdb_test "print f4b = 2" "can only cast scalar to vector of same size"
114
115gdb_test "print c4 + lla" "conversion of scalar to vector involves truncation"
116gdb_test "print i4a + lla" "conversion of scalar to vector involves truncation"
117gdb_test "print lla + c4" "conversion of scalar to vector involves truncation"
118gdb_test "print lla + i4a" "conversion of scalar to vector involves truncation"
119
120gdb_test "print c4 + ib" "\\\$$decimal = \\{2, 3, 4, 5\\}"
121gdb_test "print i4a + ib" "\\\$$decimal = \\{3, 5, 9, 17\\}"
122gdb_test "print i4a + 1" "\\\$$decimal = \\{3, 5, 9, 17\\}"
123gdb_test "print 1 + i4a" "\\\$$decimal = \\{3, 5, 9, 17\\}"
124gdb_test "print fa - f4b" "\\\$$decimal = \\{1, 0, -6, -2\\}"
125gdb_test "print 2 - f4b" "\\\$$decimal = \\{1, 0, -6, -2\\}"
126gdb_test "print f4a * fb" "\\\$$decimal = \\{2, 4, 8, 16\\}"
127gdb_test "print f4a * 1" "\\\$$decimal = \\{2, 4, 8, 16\\}"
128gdb_test "print ia / i4b" "\\\$$decimal = \\{2, 1, 0, 0\\}"
129gdb_test "print 2 / i4b" "\\\$$decimal = \\{2, 1, 0, 0\\}"
130gdb_test "print i4a % ib" "\\\$$decimal = \\{0, 0, 0, 0\\}"
131gdb_test "print i4a % 1" "\\\$$decimal = \\{0, 0, 0, 0\\}"
132gdb_test "print ia & i4b" "\\\$$decimal = \\{0, 2, 0, 0\\}"
133gdb_test "print 2 & i4b" "\\\$$decimal = \\{0, 2, 0, 0\\}"
134gdb_test "print i4a | ib" "\\\$$decimal = \\{3, 5, 9, 17\\}"
135gdb_test "print i4a | 1" "\\\$$decimal = \\{3, 5, 9, 17\\}"
136gdb_test "print ia ^ i4b" "\\\$$decimal = \\{3, 0, 10, 6\\}"
137gdb_test "print 2 ^ i4b" "\\\$$decimal = \\{3, 0, 10, 6\\}"
138gdb_test "print i4a << ib" "\\\$$decimal = \\{4, 8, 16, 32\\}"
139gdb_test "print i4a << 1" "\\\$$decimal = \\{4, 8, 16, 32\\}"
140gdb_test "print i4a >> ib" "\\\$$decimal = \\{1, 2, 4, 8\\}"
141gdb_test "print i4a >> 1" "\\\$$decimal = \\{1, 2, 4, 8\\}"
142
143gdb_test "print i4a = \{2, 4, 8, 16\}" "\\\$$decimal = \\{2, 4, 8, 16\\}"
144gdb_test "print i4a <<= ib" "\\\$$decimal = \\{4, 8, 16, 32\\}"
145
146# Test some error scenarios
147gdb_test "print i4a + d2" "Cannot perform operation on vectors with different types"
148gdb_test "print d2 + i4a" "Cannot perform operation on vectors with different types"
149gdb_test "print f4a + ll2" "Cannot perform operation on vectors with different types"
150gdb_test "print ll2 + f4a" "Cannot perform operation on vectors with different types"
151gdb_test "print i2 + ll2" "Cannot perform operation on vectors with different types"
152gdb_test "print ll2 + i2" "Cannot perform operation on vectors with different types"
153gdb_test "print i4a + ll2" "Cannot perform operation on vectors with different types"
154gdb_test "print ll2 + i4a" "Cannot perform operation on vectors with different types"
155gdb_test "print f4a + d2" "Cannot perform operation on vectors with different types"
156gdb_test "print d2 + f4a" "Cannot perform operation on vectors with different types"
157gdb_test "print ui4 + i4a" "Cannot perform operation on vectors with different types"
158gdb_test "print i4a + ui4" "Cannot perform operation on vectors with different types"
159gdb_test "print i4a + i2" "Cannot perform operation on vectors with different types"
160gdb_test "print i2 + i4a" "Cannot perform operation on vectors with different types"
161gdb_test "print f4a + f2" "Cannot perform operation on vectors with different types"
162gdb_test "print f2 + f4a" "Cannot perform operation on vectors with different types"
163
164gdb_test "print (double2) f2" "Cannot convert between vector values of different sizes"
165gdb_test "print (int4) c4" "Cannot convert between vector values of different sizes"
166gdb_test "print (char4) i4a" "Cannot convert between vector values of different sizes"
167
168# Test ptype on vector types.
169gdb_test "ptype c4" "type = char __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
170gdb_test "ptype char4" "type = char __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
171gdb_test "ptype i4a" "type = int __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
172gdb_test "ptype int4" "type = int __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
173gdb_test "ptype f4b" "type = float __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
174gdb_test "ptype float4" "type = float __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
175
176gdb_test "ptype union_with_vector_1" "type = union {\r\n\[\t \]+int i;\r\n\[\t \]+char cv __attribute__ \\(\\(vector_size\\(4\\)\\)\\);\r\n}"
177gdb_test "ptype struct_with_vector_1" "type = struct {\r\n\[\t \]+int i;\r\n\[\t \]+char cv __attribute__ \\(\\(vector_size\\(4\\)\\)\\);\r\n\[\t \]+float4 f4;\r\n}"
178