1# Copyright (C) 2007, 2008, 2009, 2010, 2011 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# 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 21if $tracelevel then { 22 strace $tracelevel 23} 24 25set testfile "dfp-test" 26set srcfile ${testfile}.c 27set binfile ${objdir}/${subdir}/${testfile} 28 29# Try to compile the test case. If we can't, assume the 30# toolchain does not yet provide DFP support and bail out. 31if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {quiet debug}] != "" } { 32 verbose "Skipping DFP tests." 33 return -1 34} 35 36gdb_exit 37gdb_start 38gdb_reinitialize_dir $srcdir/$subdir 39gdb_load ${binfile} 40 41if ![runto_main] then { 42 perror "couldn't run to breakpoint" 43 continue 44} 45 46set sizeof_long [get_sizeof "long" 4] 47 48proc 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 79proc 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 109proc 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 142if [gdb_test "next" \ 143 ".*Positive infd32.*" \ 144 "next after initializing d32"] then { gdb_suppress_tests } 145gdb_test "print d32" "1.2345" "d32 is initialized to 1.2345" 146 147if [gdb_test "next" \ 148 ".*Negative infd32.*" \ 149 "next after assigning builtin infinity to d32"] then { gdb_suppress_tests } 150gdb_test "print d32" "Infinity" "d32 is positive Infinity" 151 152if [gdb_test "next" \ 153 ".*__builtin_nand32.*" \ 154 "next after assigning negative builtin infinity to d32"] then { gdb_suppress_tests } 155gdb_test "print d32" "-Infinity" "d32 is negative Infinity" 156 157if [gdb_test "next" \ 158 ".*d64 = 1.2345.*" \ 159 "next after assigning builtin NaN to d32"] then { gdb_suppress_tests } 160gdb_test "print d32" "NaN" "d32 is NaN" 161 162d32_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 169if [gdb_test "next" \ 170 ".*Positive infd64.*" \ 171 "next after initializing d64"] then { gdb_suppress_tests } 172gdb_test "print d64" "1.2345" "d64 is initialized to 1.2345" 173 174if [gdb_test "next" \ 175 ".*Negative infd64.*" \ 176 "next after assigning builtin infinity to d64"] then { gdb_suppress_tests } 177gdb_test "print d64" "Infinity" "d64 is positive Infinity" 178 179if [gdb_test "next" \ 180 ".*__builtin_nand64.*" \ 181 "next after assigning negative builtin infinity to d64"] then { gdb_suppress_tests } 182gdb_test "print d64" "-Infinity" "d64 is negative Infinity" 183 184if [gdb_test "next" \ 185 ".*d128 = 1.2345.*" \ 186 "next after assigning builtin NaN to d64"] then { gdb_suppress_tests } 187gdb_test "print d64" "NaN" "d64 is NaN" 188 189d64_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 196if [gdb_test "next" \ 197 ".*Positive infd128.*" \ 198 "next after initializing d128"] then { gdb_suppress_tests } 199gdb_test "print d128" "1.2345" "d128 is initialized to 1.2345" 200 201d128_set_tests 202 203if [gdb_test "next" \ 204 ".*Negative infd128.*" \ 205 "next after assigning builtin infinity to d128"] then { gdb_suppress_tests } 206gdb_test "print d128" "Infinity" "d128 is positive Infinity" 207 208if [gdb_test "next" \ 209 ".*__builtin_nand128.*" \ 210 "next after assigning negative builtin infinity to d128"] then { gdb_suppress_tests } 211gdb_test "print d128" "-Infinity" "d128 is negative Infinity" 212 213if [gdb_test "next" \ 214 ".*arg0_32.*" \ 215 "next after assigning builtin NaN to d128"] then { gdb_suppress_tests } 216gdb_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 221gdb_breakpoint arg0_32 222gdb_continue_to_breakpoint "entry to arg0_32" 223gdb_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 225gdb_breakpoint arg0_64 226gdb_continue_to_breakpoint "entry to arg0_64" 227gdb_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 229gdb_breakpoint arg0_128 230gdb_continue_to_breakpoint "entry to arg0_128" 231gdb_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 235gdb_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." 236gdb_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." 237gdb_test "finish" " = 1.2" "Correct _Decimal32 return value from called function." 238 239gdb_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." 240gdb_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." 241gdb_test "finish" " = 1.2" "Correct _Decimal64 return value from called function." 242 243gdb_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." 244gdb_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." 245gdb_test "finish" " = 1.2" "Correct _Decimal128 return value from called function." 246 247gdb_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 250gdb_test "call decimal_mixed (dec32_val1, dec64_val1, dec128_val1)" " = 1" \ 251 "Call function with mixed decimal float arguments." 252 253gdb_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 256gdb_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 259gdb_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 262gdb_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 268gdb_breakpoint [gdb_get_line_number "Exit point"] 269gdb_continue_to_breakpoint "Setting a decimal struct" 270gdb_test "print ds.dec32" " = 1.2345" 271gdb_test "print ds.dec64" " = 1.2345" 272gdb_test "print ds.dec128" " = 1.2345" 273 274# Test expressions with DFP variables. 275 276gdb_test "print d32 + ds.dec32" " = 1.3345" 277gdb_test "print d64 + ds.dec64" " = 1.3345" 278gdb_test "print d128 + ds.dec128" " = 1.3345" 279 280# Test conversion between different _Decimal sizes. 281 282gdb_test "ptype d64 + ds.dec32" " = volatile _Decimal64" 283gdb_test "ptype d128 + ds.dec32" " = volatile _Decimal128" 284gdb_test "ptype d128 + ds.dec64" " = volatile _Decimal128" 285 286# Mixture of Decimal and integral operands 287gdb_test "p d32 + 1" " = 1.1" 288gdb_test "p 2 + d64" " = 2.1" 289gdb_test "p ds.int4 + d128" " = 1.1" 290gdb_test "ptype d32 + 1" " = volatile _Decimal32" 291gdb_test "ptype ds.int4 + d128" " = volatile _Decimal128" 292 293# Test other operations with DFP operands 294gdb_test "p !d32" " = 0" 295gdb_test "p !d64" " = 0" 296gdb_test "p !d128" " = 0" 297gdb_test "p +d32" " = 0.1" 298gdb_test "p +d64" " = 0.1" 299gdb_test "p +d128" " = 0.1" 300gdb_test "p d64 == d128" " = 1" 301gdb_test "p d128 == ds.dec32" " = 0" 302gdb_test "p d128 == d32" " = 1" 303gdb_test "p ds.dec32 == ds.dec64" " = 1" 304gdb_test "p d32 < ds.dec32" " = 1" 305gdb_test "p d64 < ds.dec64" " = 1" 306gdb_test "p d128 < ds.dec128" " = 1" 307gdb_test "p ds.dec32 < d32" " = 0" 308gdb_test "p d64 > ds.dec64" " = 0" 309gdb_test "p ds.dec128 > d128 " " = 1" 310gdb_test "p d32 < ds.int4" " = 1" 311gdb_test "p ds.int4 > d32" " = 1" 312gdb_test "p ds.dec32 < ds.int4" " = 0" 313gdb_test "p ds.int4 > ds.dec64" " = 0" 314gdb_test "p ds.dec128 > ds.int4" " = 1" 315 316# Reject operation with integral larger than 32-bits 317if { ${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 322gdb_test "p d64 + ds.float4" "Mixing decimal floating types with other floating types is not allowed." 323gdb_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 328gdb_test "print ds.dec32=d32" " = 0.1" 329gdb_test "print ds.dec64=d64" " = 0.1" 330gdb_test "print ds.dec128=d128" " = 0.1" 331gdb_test "print ds.dec32 = -d32" " = -0.1" 332gdb_test "print ds.dec64 = -d64" " = -0.1" 333gdb_test "print ds.dec128 = -d128" " = -0.1" 334 335# Test cast to and from DFP values 336 337gdb_test "print ds.double8 = ds.dec64" " = -0.(0999.*|1000.*)" 338gdb_test "print ds.dec64 = ds.float4" " = 3.(0999.*|1000.*)" 339gdb_test "print ds.dec128 = -ds.double8" " = 0.(0999.*|1000.*)" 340gdb_test "print ds.dec128 = ds.dec32" " = -0.1" 341gdb_test "print ds.dec32 = ds.int4" " = 1" 342gdb_test "print ds.int4 = 7.3dl" " = 7" 343