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b811d2c2 | 1 | # Copyright (C) 2002-2020 Free Software Foundation, Inc. |
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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 | |
e22f8b7c | 5 | # the Free Software Foundation; either version 3 of the License, or |
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6 | # (at your option) any later version. |
7 | # | |
e22f8b7c | 8 | # This program is distributed in the hope that it will be useful, |
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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. | |
e22f8b7c | 12 | # |
57680a24 | 13 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
57680a24 | 15 | # |
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16 | |
17 | # Tests for Powerpc AltiVec register setting and fetching | |
18 | ||
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19 | # |
20 | # Test the use of registers, especially AltiVec registers, for Powerpc. | |
21 | # This file uses altivec-regs.c for input. | |
22 | # | |
23 | ||
57680a24 | 24 | |
3c95e6af | 25 | if {![istarget "powerpc*"] || [skip_altivec_tests]} then { |
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26 | verbose "Skipping altivec register tests." |
27 | return | |
28 | } | |
29 | ||
20c2c024 | 30 | standard_testfile |
57680a24 | 31 | |
fc91c6c2 | 32 | set compile_flags {debug nowarnings} |
4c93b1db | 33 | if [get_compiler_info] { |
d1779be4 PG |
34 | warning "get_compiler failed" |
35 | return -1 | |
36 | } | |
37 | ||
38 | if [test_compiler_info gcc*] { | |
e7b1eae6 | 39 | set compile_flags "$compile_flags additional_flags=-maltivec additional_flags=-mabi=altivec" |
d1779be4 PG |
40 | } elseif [test_compiler_info xlc*] { |
41 | set compile_flags "$compile_flags additional_flags=-qaltivec" | |
42 | } else { | |
43 | warning "unknown compiler" | |
44 | return -1 | |
45 | } | |
46 | ||
47 | if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $compile_flags] != "" } { | |
5b362f04 | 48 | untested "failed to compile" |
b60f0898 | 49 | return -1 |
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50 | } |
51 | ||
52 | gdb_start | |
53 | gdb_reinitialize_dir $srcdir/$subdir | |
54 | gdb_load ${binfile} | |
55 | ||
56 | # | |
57 | # Run to `main' where we begin our tests. | |
58 | # | |
59 | ||
60 | if ![runto_main] then { | |
c8ee3f04 PW |
61 | fail "can't run to main" |
62 | return 0 | |
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63 | } |
64 | ||
0d8f9b2c NF |
65 | gdb_test "set print frame-arguments all" |
66 | ||
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67 | # set all the registers integer portions to 1 |
68 | for {set i 0} {$i < 32} {incr i 1} { | |
69 | for {set j 0} {$j < 4} {incr j 1} { | |
70 | gdb_test "set \$vr$i.v4_int32\[$j\] = 1" "" "set reg vr$i.v4si.f\[$j\]" | |
71 | } | |
72 | } | |
73 | ||
74 | gdb_test "set \$vscr = 1" "" "" | |
75 | gdb_test "set \$vrsave = 1" "" "" | |
76 | ||
77 | # Now execute some target code, so that GDB's register cache is flushed. | |
78 | ||
79 | gdb_test "next" "" "" | |
80 | ||
805acca0 | 81 | set endianness [get_endianness] |
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82 | |
83 | # And then read the AltiVec registers back, to see that | |
84 | # a) the register write above worked, and | |
85 | # b) the register read (below) also works. | |
86 | ||
87 | if {$endianness == "big"} { | |
30a25466 | 88 | set vector_register ".uint128 = 0x1000000010000000100000001, v4_float = .0x0, 0x0, 0x0, 0x0., v4_int32 = .0x1, 0x1, 0x1, 0x1., v8_int16 = .0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1., v16_int8 = .0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1.." |
57680a24 | 89 | } else { |
30a25466 | 90 | set vector_register ".uint128 = 0x1000000010000000100000001, v4_float = .0x0, 0x0, 0x0, 0x0., v4_int32 = .0x1, 0x1, 0x1, 0x1., v8_int16 = .0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0., v16_int8 = .0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0.." |
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91 | } |
92 | ||
93 | for {set i 0} {$i < 32} {incr i 1} { | |
6f072a10 PFC |
94 | gdb_test "info reg vr$i" "vr$i.*$vector_register" "info reg vr$i" |
95 | gdb_test "info reg v$i" "v$i.*$vector_register" "info reg v$i" | |
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96 | } |
97 | ||
adf8243b RK |
98 | gdb_test "info reg vrsave" "vrsave.*0x1\[ \t\]+1" "info reg vrsave" |
99 | gdb_test "info reg vscr" "vscr.*0x1\[ \t\]+1" "info reg vscr" | |
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100 | |
101 | # Now redo the same tests, but using the print command. | |
102 | # Note: in LE case, the char array is printed WITHOUT the last character. | |
103 | # Gdb treats the terminating null char in the array like the terminating | |
104 | # null char in a string and doesn't print it. This is not a failure, but | |
105 | # the way gdb works. | |
106 | ||
107 | if {$endianness == "big"} { | |
d9109c80 | 108 | set decimal_vector ".uint128 = 79228162532711081671548469249, v4_float = .1.*e-45, 1.*e-45, 1.*e-45, 1.*e-45., v4_int32 = .1, 1, 1, 1., v8_int16 = .0, 1, 0, 1, 0, 1, 0, 1., v16_int8 = .0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1.." |
57680a24 | 109 | } else { |
d9109c80 | 110 | set decimal_vector ".uint128 = 79228162532711081671548469249, v4_float = .1.*e-45, 1.*e-45, 1.*e-45, 1.*e-45., v4_int32 = .1, 1, 1, 1., v8_int16 = .1, 0, 1, 0, 1, 0, 1, 0., v16_int8 = .1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0.." |
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111 | } |
112 | ||
113 | for {set i 0} {$i < 32} {incr i 1} { | |
6f072a10 PFC |
114 | gdb_test "print \$vr$i" ".* = $decimal_vector" "print vr$i" |
115 | gdb_test "print \$v$i" ".* = $decimal_vector" "print v$i" | |
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116 | } |
117 | ||
118 | gdb_test "print \$vrsave" ".* = 1" "print vrsave" | |
119 | gdb_test "print \$vscr" ".* = 1" "print vscr" | |
120 | ||
121 | for {set i 0} {$i < 32} {incr i 1} { | |
a7b8d682 | 122 | lappend pattern_list "vr$i\[ \t\]+$vector_register" |
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123 | } |
124 | ||
a7b8d682 PFC |
125 | lappend pattern_list "vscr\[ \t\]+0x1" |
126 | lappend pattern_list "vrsave\[ \t\]+0x1" | |
127 | ||
561d7a1d | 128 | send_gdb "info vector\n" |
a7b8d682 | 129 | gdb_expect_list "info vector" ".*$gdb_prompt $" $pattern_list |
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130 | |
131 | gdb_test "break vector_fun" \ | |
132 | "Breakpoint 2 at.*altivec-regs.c, line \[0-9\]+\\." \ | |
bb95117e | 133 | "set breakpoint at vector_fun" |
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134 | |
135 | # Actually it is nuch easier to see these results printed in hex. | |
136 | gdb_test "set output-radix 16" \ | |
137 | "Output radix now set to decimal 16, hex 10, octal 20." \ | |
bb95117e | 138 | "set output radix to hex" |
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139 | |
140 | gdb_test "continue" \ | |
141 | "Breakpoint 2, vector_fun .a=.0xfefefefe, 0xfefefefe, 0xfefefefe, 0xfefefefe., b=.0x1010101, 0x1010101, 0x1010101, 0x1010101.*altivec-regs.c.*vec_splat_u8.2..;" \ | |
142 | "continue to vector_fun" | |
143 | ||
144 | # Do a next over the assignment to vector 'a'. | |
145 | gdb_test "next" ".*b = \\(\\(vector unsigned int\\) vec_splat_u8\\(3\\)\\);" \ | |
146 | "next (1)" | |
147 | ||
148 | # Do a next over the assignment to vector 'b'. | |
149 | gdb_test "next" "c = vec_add \\(a, b\\);" \ | |
150 | "next (2)" | |
151 | ||
152 | # Now 'a' should be '0x02020202...' and 'b' should be '0x03030303...' | |
153 | gdb_test "print/x a" \ | |
154 | ".*= .0x2020202, 0x2020202, 0x2020202, 0x2020202." \ | |
155 | "print vector parameter a" | |
156 | ||
157 | gdb_test "print/x b" \ | |
158 | ".*= .0x3030303, 0x3030303, 0x3030303, 0x3030303." \ | |
159 | "print vector parameter b" | |
160 | ||
161 | # If we do an 'up' now, and print 'x' and 'y' we should see the values they | |
162 | # have in main, not the values they have in vector_fun. | |
163 | gdb_test "up" ".1.*main \\(\\) at.*altivec-regs.c.*z = vector_fun \\(x, y\\);" \ | |
164 | "up to main" | |
165 | ||
166 | gdb_test "print/x x" \ | |
167 | ".*= .0xfefefefe, 0xfefefefe, 0xfefefefe, 0xfefefefe." \ | |
168 | "print vector x" | |
169 | ||
170 | gdb_test "print/x y" \ | |
171 | ".*= .0x1010101, 0x1010101, 0x1010101, 0x1010101." \ | |
172 | "print vector y" | |
173 | ||
174 | # now go back to vector_func and do a finish, to see if we can print the return | |
175 | # value correctly. | |
176 | ||
177 | gdb_test "down" \ | |
178 | ".0 vector_fun \\(a=.0x2020202, 0x2020202, 0x2020202, 0x2020202., b=.0x3030303, 0x3030303, 0x3030303, 0x3030303.\\) at.*altivec-regs.c.*c = vec_add \\(a, b\\);" \ | |
179 | "down to vector_fun" | |
180 | ||
181 | gdb_test "finish" \ | |
182 | "Run till exit from .0 vector_fun \\(a=.0x2020202, 0x2020202, 0x2020202, 0x2020202., b=.0x3030303, 0x3030303, 0x3030303, 0x3030303.\\) at.*altivec-regs.c.*in main \\(\\) at.*altivec-regs.c.*z = vector_fun \\(x, y\\);.*Value returned is.*= .0x5050505, 0x5050505, 0x5050505, 0x5050505." \ | |
183 | "finish returned correct value" | |
184 | ||
185 | ||
186 |