gdb/testsuite/gdb.arch/powerpc-d128-regs.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 2008-2024 Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # Please email any bugs, comments, and/or additions to this file to:
  19 # bug-gdb@gnu.org
  20
  21 # Testcase for ppc decimal128 pseudo-registers.
  22
  23 require {istarget "powerpc64*-*"}
  24
  25 standard_testfile
  26
  27 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {quiet debug}] != "" } {
  28      untested "failed to compile"
  29      return -1
  30 }
  31
  32 clean_restart $binfile
  33
  34 if {![runto_main]} {
  35    return
  36 }
  37
  38 if [gdb_test "show arch" ".*powerpc:common.*" "checking for PPC arch"] {
  39     return -1
  40 }
  41
  42 gdb_test "next" ""
  43
  44 for {set i 0} {$i < 16} {incr i 1} {
  45 gdb_test "set \$dl$i=d128" "" "set dl$i register"
  46
  47 gdb_test "print \$dl$i" "\\\$$decimal = 1\.2345678910" "print dl$i register as DFP"
  48
  49 gdb_test "info reg dl$i" \
  50          "dl$i\[ \]*1\.2345678910\[ \t\]*\\(raw 0x2205800000000000000000049c5de09c\\)" \
  51          "print dl$i register with the info reg command"
  52
  53 gdb_test "info reg f[expr 2*$i]" \
  54          "f[expr 2*$i]\[ \]*8\.608957309287334e\-145\[ \t\]*\\(raw 0x2205800000000000\\)" \
  55          "testing lower half of dl$i register"
  56
  57 gdb_test "info reg f[expr 2*$i+1]" \
  58          "f[expr 2*$i+1]\[ \]*9\.7841140127686122e\-314\[ \t\]*\\(raw 0x000000049c5de09c\\)" \
  59          "testing upper half of dl$i register"
  60
  61 }