gdb/testsuite/gdb.arch/i386-sse.exp

   1 # Copyright 2004-2005, 2007-2012 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@gnu.org
  18
  19 # This file is part of the gdb testsuite.
  20
  21
  22 if { ![istarget i?86-*-*] && ![istarget x86_64-*-* ] } {
  23     verbose "Skipping x86 SSE tests."
  24     return
  25 }
  26
  27 set testfile "i386-sse"
  28 set srcfile ${testfile}.c
  29 set binfile ${objdir}/${subdir}/${testfile}
  30
  31 if [get_compiler_info] {
  32     return -1
  33 }
  34
  35 set additional_flags ""
  36 if [test_compiler_info gcc*] {
  37     set additional_flags "additional_flags=-msse"
  38 }
  39
  40 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {
  41     unsupported "compiler does not support SSE"
  42     return
  43 }
  44
  45 gdb_exit
  46 gdb_start
  47 gdb_reinitialize_dir $srcdir/$subdir
  48 gdb_load ${binfile}
  49
  50 if ![runto_main] then {
  51     gdb_suppress_tests
  52 }
  53
  54 send_gdb "print have_sse ()\r"
  55 gdb_expect {
  56     -re ".. = 1\r\n$gdb_prompt " {
  57         pass "check whether processor supports SSE"
  58     }
  59     -re ".. = 0\r\n$gdb_prompt " {
  60         verbose "processor does not support SSE; skipping SSE tests"
  61         return
  62     }
  63     -re ".*$gdb_prompt $" {
  64         fail "check whether processor supports SSE"
  65     }
  66     timeout {
  67         fail "check whether processor supports SSE (timeout)"
  68     }
  69 }
  70
  71 gdb_test "break [gdb_get_line_number "first breakpoint here"]" \
  72          "Breakpoint .* at .*i386-sse.c.*" \
  73          "set first breakpoint in main"
  74 gdb_continue_to_breakpoint "continue to first breakpoint in main"
  75
  76 if [is_ilp32_target] {
  77     set nr_regs 8
  78 } else {
  79     set nr_regs 16
  80 }
  81
  82 for { set r 0 } { $r < $nr_regs } { incr r } {
  83     gdb_test "print \$xmm$r.v4_float" \
  84         ".. = \\{$r, $r.25, $r.5, $r.75\\}.*" \
  85         "check float contents of %xmm$r"
  86     gdb_test "print \$xmm$r.v16_int8" \
  87         ".. = \\{(-?\[0-9\]+, ){15}-?\[0-9\]+\\}.*" \
  88         "check int8 contents of %xmm$r"
  89 }
  90
  91 for { set r 0 } { $r < $nr_regs } { incr r } {
  92     gdb_test "set var \$xmm$r.v4_float\[0\] = $r + 10" "" "set %xmm$r"
  93 }
  94
  95 gdb_test "break [gdb_get_line_number "second breakpoint here"]" \
  96          "Breakpoint .* at .*i386-sse.c.*" \
  97          "set second breakpoint in main"
  98 gdb_continue_to_breakpoint "continue to second breakpoint in main"
  99
 100 for { set r 0 } { $r < $nr_regs } { incr r } {
 101     gdb_test "print data\[$r\]" \
 102         ".. = \\{f = \\{[expr $r + 10], $r.25, $r.5, $r.75\\}\\}.*" \
 103         "check contents of data\[$r\]"
 104 }