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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [testsuite/] [gdb.base/] [dfp-test.exp] - Blame information for rev 842

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1 227 jeremybenn
# Copyright (C) 2007, 2008, 2009, 2010 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 .
15
 
16
#  This file was written by Wu Zhou. (woodzltc@cn.ibm.com)
17
 
18
# This file is part of the gdb testsuite.  It is intended to test that
19
# gdb could correctly handle decimal floating point introduced in IEEE 754R.
20
 
21
if $tracelevel then {
22
  strace $tracelevel
23
}
24
 
25
set testfile "dfp-test"
26
set srcfile ${testfile}.c
27
set binfile ${objdir}/${subdir}/${testfile}
28
 
29
# Try to compile the test case.  If we can't, assume the
30
# toolchain does not yet provide DFP support and bail out.
31
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {quiet debug}] != "" } {
32
    verbose "Skipping DFP tests."
33
    return -1
34
}
35
 
36
gdb_exit
37
gdb_start
38
gdb_reinitialize_dir $srcdir/$subdir
39
gdb_load ${binfile}
40
 
41
if ![runto_main] then {
42
    perror "couldn't run to breakpoint"
43
    continue
44
}
45
 
46
set sizeof_long [get_sizeof "long" 4]
47
 
48
proc d32_set_tests {} {
49
 
50
    gdb_test "p d32=123.45df" " = 123.45"
51
    gdb_test "p d32=12345.df" " = 12345"
52
    gdb_test "p d32=12345.67df" " = 12345.67"
53
    gdb_test "p d32=1234567.df" " = 1234567"
54
 
55
    gdb_test "p d32=1.234567E0df" " = 1.234567"
56
    gdb_test "p d32=1.234567E10df" " = 1.234567E\\+10"
57
    gdb_test "p d32=1.234567E+96df" " = 1.234567E\\+96"
58
 
59
    # Test that gdb could handle the max, normalized min and subnormalized min.
60
    gdb_test "p d32=9.999999E96df" " = 9.999999E\\+96"
61
    gdb_test "p d32=1.0E-95df" " = 1.0E\\-95"
62
    gdb_test "p d32=1.E-101df" " = 1E\\-101"
63
    gdb_test "p d32=0.000001E-95df" " = 1E\\-101"
64
 
65
    # Test that gdb could detect coefficient/exponent out of range.
66
    # The coefficient out of range will be rounded to its nearest value.
67
    # And the exponent out of range will be handled as infinity.
68
    gdb_test "p d32=1.2345678df" " = 1.234568" "1.2345678 is rounded to 1.234568"
69
    gdb_test "p d32=1.0E-101df" " = 1E-101" "1.0E-101 is rounded to 1E-101"
70
    gdb_test "p d32=1.234567E+97df" " = Infinity" "1.234567E+97 is Infinity"
71
 
72
    # Test that gdb could detect the errors in the string representation of _Decimal32
73
    gdb_test "p d32=12345.df" " = 12345" "12345. is a valid number"
74
    gdb_test "p d32=12345df" ".*Invalid number.*" "12345 is an invalid number"
75
    gdb_test "p d32=1.23Edf" ".*Conversion syntax.*" "1.23E is an invalid number"
76
    gdb_test "p d32=1.23E45Adf" ".*Conversion syntax.*" "1.23E45A is an invalid number"
77
}
78
 
79
proc d64_set_tests {} {
80
 
81
    gdb_test "p d64=123.45dd" " = 123.45"
82
    gdb_test "p d64=12345.dd" " = 12345"
83
    gdb_test "p d64=12345.67dd" " = 12345.67"
84
    gdb_test "p d64=1.234567890123456dd" " = 1.234567890123456"
85
 
86
    gdb_test "p d64=1.234567890123456E10dd" " = 12345678901.23456"
87
    gdb_test "p d64=1.234567890123456E100dd" " = 1.234567890123456E\\+100"
88
    gdb_test "p d64=1.234567890123456E384dd" " = 1.234567890123456E\\+384"
89
 
90
    # Test that gdb could handle the max, normalized min and subnormalized min.
91
    gdb_test "p d64=9.999999999999999E384dd" " = 9.999999999999999E\\+384"
92
    gdb_test "p d64=1.E-383dd" " = 1E\\-383"
93
    gdb_test "p d64=1.E-398dd" " = 1E\\-398"
94
    gdb_test "p d64=0.000000000000001E-383dd" " = 1E\\-398"
95
 
96
    # Test that gdb could detect coefficient/exponent out of range.
97
    # The coefficient out of range will be rounded to its nearest value.
98
    # And the exponent out of range will be handled as infinity.
99
    gdb_test "p d64=1.2345678901234567dd" " = 1.234567890123457" "1.2345678901234567 is rounded to 1.234567890123457"
100
    gdb_test "p d64=9.9999999999999999E384dd" " = Infinity" "d64=9.9999999999999999E384 is Infinity"
101
    gdb_test "p d64=1.234567890123456E385dd" " = Infinity" "d64=1.234567890123456E385 is Infinity"
102
 
103
    # Test that gdb could detect the errors in the string representation of _Decimal64
104
    gdb_test "p d64=12345dd" ".*Invalid number.*" "12345dd is an invalid number"
105
    gdb_test "p d64=1.23Edd" ".*Conversion syntax.*" "1.23E is an invalid number"
106
    gdb_test "p d64=1.23E45Add" ".*Conversion syntax.*" "1.23E45A is an invalid number"
107
}
108
 
109
proc d128_set_tests {} {
110
 
111
    gdb_test "p d128=123.45dl" " = 123.45"
112
    gdb_test "p d128=12345.dl" " = 12345"
113
    gdb_test "p d128=12345.67dl" " = 12345.67"
114
    gdb_test "p d128=1.234567890123456789012345678901234dl" " = 1.234567890123456789012345678901234"
115
 
116
    gdb_test "p d128=1.234567890123456E10dl" " = 12345678901.23456"
117
    gdb_test "p d128=1.234567890123456E100dl" " = 1.234567890123456E\\+100"
118
    gdb_test "p d128=1.234567890123456E1000dl" " = 1.234567890123456E\\+1000"
119
 
120
    # Test that gdb could handle the max, normalized min and subnormalized min.
121
    gdb_test "p d128=9.999999999999999999999999999999999E6144dl" " = 9.999999999999999999999999999999999E\\+6144"
122
    gdb_test "p d128=1.E-6143dl" " = 1E\\-6143"
123
    gdb_test "p d128=1.E-6176dl" " = 1E\\-6176"
124
    gdb_test "p d128=0.000000000000000000000000000000001E-6143dl" " = 1E\\-6176"
125
 
126
    # Test that gdb could detect coefficient/exponent out of range.
127
    # The coefficient out of range will be rounded to its nearest value.
128
    # And the exponent out of range will be handled as infinity.
129
    gdb_test "p d128=1.2345678901234567890123456789012345dl" "1.234567890123456789012345678901234" "1.2345678901234567890123456789012345 is rounded to 1.234567890123456789012345678901234"
130
    gdb_test "p d128=1.234567890123456E6145dl" "Infinity" "d128=1.234567890123456E6145 is Infinity"
131
 
132
    # Test that gdb could detect the errors in the string representation of _Decimal128
133
    gdb_test "p d128=12345dl" ".*Invalid number.*" "12345dl is an invalid number"
134
    gdb_test "p d128=1.23Edl" ".*Conversion syntax.*" "1.23E is an invalid number"
135
    gdb_test "p d128=1.23E45Adl" ".*Conversion syntax.*" "1.23E45A is an invalid number"
136
}
137
 
138
# Different tests on 32-bits decimal floating point, including the printing
139
# of finite numbers, infinite and NaN, and also the setting of different
140
# decimal value.
141
 
142
if [gdb_test "next" \
143
    ".*Positive infd32.*" \
144
    "next after initializing d32"] then { gdb_suppress_tests }
145
gdb_test "print d32" "1.2345" "d32 is initialized to 1.2345"
146
 
147
if [gdb_test "next" \
148
    ".*Negative infd32.*" \
149
    "next after assigning builtin infinity to d32"] then { gdb_suppress_tests }
150
gdb_test "print d32" "Infinity" "d32 is positive Infinity"
151
 
152
if [gdb_test "next" \
153
    ".*__builtin_nand32.*" \
154
    "next after assigning negative builtin infinity to d32"] then { gdb_suppress_tests }
155
gdb_test "print d32" "-Infinity" "d32 is negative Infinity"
156
 
157
if [gdb_test "next" \
158
    ".*d64 = 1.2345.*" \
159
    "next after assigning builtin NaN to d32"] then { gdb_suppress_tests }
160
gdb_test "print d32" "NaN" "d32 is NaN"
161
 
162
d32_set_tests
163
 
164
 
165
# Different tests on 64-bits decimal floating point, including the display
166
# of finite number, infinite and NaN, and also the setting of different
167
# decimal value.
168
 
169
if [gdb_test "next" \
170
    ".*Positive infd64.*" \
171
    "next after initializing d64"] then { gdb_suppress_tests }
172
gdb_test "print d64" "1.2345" "d64 is initialized to 1.2345"
173
 
174
if [gdb_test "next" \
175
    ".*Negative infd64.*" \
176
    "next after assigning builtin infinity to d64"] then { gdb_suppress_tests }
177
gdb_test "print d64" "Infinity" "d64 is positive Infinity"
178
 
179
if [gdb_test "next" \
180
    ".*__builtin_nand64.*" \
181
    "next after assigning negative builtin infinity to d64"] then { gdb_suppress_tests }
182
gdb_test "print d64" "-Infinity" "d64 is negative Infinity"
183
 
184
if [gdb_test "next" \
185
    ".*d128 = 1.2345.*" \
186
    "next after assigning builtin NaN to d64"] then { gdb_suppress_tests }
187
gdb_test "print d64" "NaN" "d64 is NaN"
188
 
189
d64_set_tests
190
 
191
 
192
# Different tests on 128-bits decimal floating point, including the display
193
# of finite number, infinite and NaN, and also the setting of different
194
# decimal value.
195
 
196
if [gdb_test "next" \
197
    ".*Positive infd128.*" \
198
    "next after initializing d128"] then { gdb_suppress_tests }
199
gdb_test "print d128" "1.2345" "d128 is initialized to 1.2345"
200
 
201
d128_set_tests
202
 
203
if [gdb_test "next" \
204
    ".*Negative infd128.*" \
205
    "next after assigning builtin infinity to d128"] then { gdb_suppress_tests }
206
gdb_test "print d128" "Infinity" "d128 is positive Infinity"
207
 
208
if [gdb_test "next" \
209
    ".*__builtin_nand128.*" \
210
    "next after assigning negative builtin infinity to d128"] then { gdb_suppress_tests }
211
gdb_test "print d128" "-Infinity" "d128 is negative Infinity"
212
 
213
if [gdb_test "next" \
214
    ".*arg0_32.*" \
215
    "next after assigning builtin NaN to d128"] then { gdb_suppress_tests }
216
gdb_test "print d128" "NaN" "d128 is NaN"
217
 
218
# The following tests are intended to verify that gdb can correctly handle
219
# DFP types in function arguments.
220
 
221
gdb_breakpoint arg0_32
222
gdb_continue_to_breakpoint "entry to arg0_32"
223
gdb_test "backtrace" ".*arg0_32 \\(arg0=0.1, arg1=1.0, arg2=2.0, arg3=3.0, arg4=4.0, arg5=5.0\\).*" "backtrace at arg0_32"
224
 
225
gdb_breakpoint arg0_64
226
gdb_continue_to_breakpoint "entry to arg0_64"
227
gdb_test "backtrace" ".*arg0_64 \\(arg0=0.1, arg1=1.0, arg2=2.0, arg3=3.0, arg4=4.0, arg5=5.0\\).*" "backtrace at arg0_64"
228
 
229
gdb_breakpoint arg0_128
230
gdb_continue_to_breakpoint "entry to arg0_128"
231
gdb_test "backtrace" ".*arg0_128 \\(arg0=0.1, arg1=1.0, arg2=2.0, arg3=3.0, arg4=4.0, arg5=5.0\\).*" "backtrace at arg0_128"
232
 
233
# Test calling inferior function with DFP arguments or return value.
234
 
235
gdb_test "call arg0_32 (1.2df, 2.2df, 3.2df, 4.2df, 5.2df, 6.2df)" "Breakpoint.*arg0_32.*" "Call function with correct _Decimal32 arguments."
236
gdb_test "backtrace 1" "\n#\[0-9\]+  arg0_32 \\(arg0=1.2, arg1=2.2, arg2=3.2, arg3=4.2, arg4=5.2, arg5=6.2\\).*" "Backtrace function with correct _Decimal32 arguments."
237
gdb_test "finish" " = 1.2" "Correct _Decimal32 return value from called function."
238
 
239
gdb_test "call arg0_64 (1.2dd, 2.2dd, 3.2dd, 4.2dd, 5.2dd, 6.2dd)" "Breakpoint.*arg0_64.*" "Call function with correct _Decimal64 arguments."
240
gdb_test "backtrace 1" "\n#\[0-9\]+  arg0_64 \\(arg0=1.2, arg1=2.2, arg2=3.2, arg3=4.2, arg4=5.2, arg5=6.2\\).*" "Backtrace function with correct _Decimal64 arguments."
241
gdb_test "finish" " = 1.2" "Correct _Decimal64 return value from called function."
242
 
243
gdb_test "call arg0_128 (1.2dl, 2.2dl, 3.2dl, 4.2dl, 5.2dl, 6.2dl)" "Breakpoint.*arg0_128.*" "Call function with correct _Decimal128 arguments."
244
gdb_test "backtrace 1" "\n#\[0-9\]+  arg0_128 \\(arg0=1.2, arg1=2.2, arg2=3.2, arg3=4.2, arg4=5.2, arg5=6.2\\).*" "Backtrace function with correct _Decimal128 arguments."
245
gdb_test "finish" " = 1.2" "Correct _Decimal128 return value from called function."
246
 
247
gdb_test "call decimal_dec128_align (double_val1, dec128_val2, double_val3, double_val4, double_val5, double_val6, double_val7, double_val8, double_val9, double_val10, double_val11, double_val12, double_val13, double_val14)" " = 1" \
248
  "Call function with mixed decimal float arguments TEST."
249
 
250
gdb_test "call decimal_mixed (dec32_val1, dec64_val1, dec128_val1)" " = 1" \
251
  "Call function with mixed decimal float arguments."
252
 
253
gdb_test "call decimal_many_args_dec32 (dec32_val1, dec32_val2, dec32_val3, dec32_val4, dec32_val5, dec32_val6, dec32_val7, dec32_val8, dec32_val9, dec32_val10, dec32_val11, dec32_val12, dec32_val13, dec32_val14, dec32_val15, dec32_val16)" " = 1" \
254
  "Call function with many _Decimal32 arguments."
255
 
256
gdb_test "call decimal_many_args_dec64 (dec64_val1, dec64_val2, dec64_val3, dec64_val4, dec64_val5, dec64_val6, dec64_val7, dec64_val8, dec64_val9, dec64_val10, dec64_val11, dec64_val12, dec64_val13, dec64_val14, dec64_val15, dec64_val16)" " = 1" \
257
  "Call function with many _Decimal64 arguments."
258
 
259
gdb_test "call decimal_many_args_dec128 (dec128_val1, dec128_val2, dec128_val3, dec128_val4, dec128_val5, dec128_val6, dec128_val7, dec128_val8, dec128_val9, dec128_val10, dec128_val11, dec128_val12, dec128_val13, dec128_val14, dec128_val15, dec128_val16)" " = 1" \
260
  "Call function with many _Decimal128 arguments."
261
 
262
gdb_test "call decimal_many_args_mixed (dec32_val1, dec32_val2, dec32_val3, dec64_val4, dec64_val5, dec64_val6, dec64_val7, dec128_val8, dec128_val9, dec128_val10, dec32_val11, dec64_val12, dec32_val13, dec64_val14, dec128_val15)" " = 1" \
263
  "Call function with many mixed decimal float arguments."
264
 
265
# The following tests are intended to verify that gdb can handle DFP types
266
# correctly in struct.
267
 
268
gdb_breakpoint [gdb_get_line_number "Exit point"]
269
gdb_continue_to_breakpoint "Setting a decimal struct"
270
gdb_test "print ds.dec32" " = 1.2345"
271
gdb_test "print ds.dec64" " = 1.2345"
272
gdb_test "print ds.dec128" " = 1.2345"
273
 
274
# Test expressions with DFP variables.
275
 
276
gdb_test "print d32 + ds.dec32" " = 1.3345"
277
gdb_test "print d64 + ds.dec64" " = 1.3345"
278
gdb_test "print d128 + ds.dec128" " = 1.3345"
279
 
280
# Test conversion between different _Decimal sizes.
281
 
282
gdb_test "ptype d64 + ds.dec32" " = volatile _Decimal64"
283
gdb_test "ptype d128 + ds.dec32" " = volatile _Decimal128"
284
gdb_test "ptype d128 + ds.dec64" " = volatile _Decimal128"
285
 
286
# Mixture of Decimal and integral operands
287
gdb_test "p d32 + 1" " = 1.1"
288
gdb_test "p 2 + d64" " = 2.1"
289
gdb_test "p ds.int4 + d128" " = 1.1"
290
gdb_test "ptype d32 + 1" " = volatile _Decimal32"
291
gdb_test "ptype ds.int4 + d128" " = volatile _Decimal128"
292
 
293
# Test other operations with DFP operands
294
gdb_test "p !d32" " = 0"
295
gdb_test "p !d64" " = 0"
296
gdb_test "p !d128" " = 0"
297
gdb_test "p +d32" " = 0.1"
298
gdb_test "p +d64" " = 0.1"
299
gdb_test "p +d128" " = 0.1"
300
gdb_test "p d64 == d128" " = 1"
301
gdb_test "p d128 == ds.dec32" " = 0"
302
gdb_test "p d128 == d32" " = 1"
303
gdb_test "p ds.dec32 == ds.dec64" " = 1"
304
gdb_test "p d32 < ds.dec32" " = 1"
305
gdb_test "p d64 < ds.dec64" " = 1"
306
gdb_test "p d128 < ds.dec128" " = 1"
307
gdb_test "p ds.dec32 < d32" " = 0"
308
gdb_test "p d64 > ds.dec64" " = 0"
309
gdb_test "p ds.dec128 > d128 " " = 1"
310
gdb_test "p d32 < ds.int4" " = 1"
311
gdb_test "p ds.int4 > d32" " = 1"
312
gdb_test "p ds.dec32 < ds.int4" " = 0"
313
gdb_test "p ds.int4 > ds.dec64" " = 0"
314
gdb_test "p ds.dec128 > ds.int4" " = 1"
315
 
316
# Reject operation with integral larger than 32-bits
317
if { ${sizeof_long} > 4 } {
318
  gdb_test "p d32 + ds.long8" "Conversion of large integer to a decimal floating type is not supported."
319
}
320
 
321
# Reject operation with DFP and Binary FP
322
gdb_test "p d64 + ds.float4" "Mixing decimal floating types with other floating types is not allowed."
323
gdb_test "p ds.double8 + d128" "Mixing decimal floating types with other floating types is not allowed."
324
 
325
# The following tests are intended to verify that gdb can handle "d1=d2"
326
# and "d1=-d2" correctly.
327
 
328
gdb_test "print ds.dec32=d32" " = 0.1"
329
gdb_test "print ds.dec64=d64" " = 0.1"
330
gdb_test "print ds.dec128=d128" " = 0.1"
331
gdb_test "print ds.dec32 = -d32" " = -0.1"
332
gdb_test "print ds.dec64 = -d64" " = -0.1"
333
gdb_test "print ds.dec128 = -d128" " = -0.1"
334
 
335
# Test cast to and from DFP values
336
 
337
gdb_test "print ds.double8 = ds.dec64" " = -0.(0999.*|1000.*)"
338
gdb_test "print ds.dec64 = ds.float4" " = 3.(0999.*|1000.*)"
339
gdb_test "print ds.dec128 = -ds.double8" " = 0.(0999.*|1000.*)"
340
gdb_test "print ds.dec128 = ds.dec32" " = -0.1"
341
gdb_test "print ds.dec32 = ds.int4" " = 1"
342
gdb_test "print ds.int4 = 7.3dl" " = 7"

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