Home | History | Annotate | Line # | Download | only in gdb.arch 
      1 # Copyright 2016-2024 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 require {istarget "powerpc*"}
     17 
     18 standard_testfile
     19 
     20 proc do_test { name {opts {}} } {
     21     global srcdir subdir srcfile binfile
     22     set ccopts {debug quiet}
     23     foreach opt $opts {lappend ccopts "additional_flags=$opt"}
     24     set lines [gdb_compile "${srcdir}/${subdir}/${srcfile}" "$binfile.$name" executable $ccopts]
     25     # We get this warning even with the nowarnings option ...
     26     regsub -all "(^|\n)\[^\n\]*using \[^\n\]* extended precision long double" $lines "" lines
     27     if {$lines != ""} {
     28         return
     29     }
     30 
     31     clean_restart ${binfile}.${name}
     32 
     33     if {![runto_main]} {
     34         return
     35     }
     36 
     37     # Run to the breakpoint at return.
     38     gdb_breakpoint [gdb_get_line_number "return"]
     39     gdb_continue_to_breakpoint "return test: $name"
     40 
     41     # Print the value of ld
     42     gdb_test "print ld" ".* = 1\\.375.*" "the value of ld is 1.375 ($name)"
     43     # Print the value of float128
     44     gdb_test "print float128" ".* = 2\\.375.*" "the value of float128 is 2.375 ($name)"
     45     # Print the value of ibm128
     46     gdb_test "print ibm128" ".* = 3\\.375.*" "the value of ibm128 is 3.375 ($name)"
     47 }
     48 
     49 # Verify that we correctly detect the floating-point format used for
     50 # long double.  Re-run the test with -mabi=ieeelongdouble and mabi=ibmlongdouble
     51 
     52 do_test default { -mfloat128 }
     53 do_test ieee128 { -mfloat128 -mabi=ieeelongdouble }
     54 do_test ibm128 { -mfloat128 -mabi=ibmlongdouble }
     55 
     56