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

   1 # Copyright 2004-2024 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 # 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 require {is_any_target i?86-*-* x86_64-*-*}
  23
  24 standard_testfile .c
  25
  26 set flags { debug }
  27
  28 # C11 for _Alignas, gnu for asm.
  29 lappend flags additional_flags=-std=gnu11
  30
  31 if { [test_compiler_info gcc*] || [test_compiler_info clang*] } {
  32     lappend flags "additional_flags=-msse -I${srcdir}/.."
  33 }
  34
  35 lappend_include_file flags $srcdir/lib/precise-aligned-alloc.c
  36
  37 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \
  38           $flags] != "" } {
  39     unsupported "compiler does not support SSE"
  40     return
  41 }
  42
  43 clean_restart ${binfile}
  44
  45 if {![runto_main]} {
  46     return 0
  47 }
  48
  49 send_gdb "print have_sse ()\r"
  50 gdb_expect {
  51     -re ".. = 1\r\n$gdb_prompt " {
  52         pass "check whether processor supports SSE"
  53     }
  54     -re ".. = 0\r\n$gdb_prompt " {
  55         verbose "processor does not support SSE; skipping SSE tests"
  56         return
  57     }
  58     -re ".*$gdb_prompt $" {
  59         fail "check whether processor supports SSE"
  60     }
  61     timeout {
  62         fail "check whether processor supports SSE (timeout)"
  63     }
  64 }
  65
  66 gdb_test "break [gdb_get_line_number "first breakpoint here"]" \
  67          "Breakpoint .* at .*i386-sse.c.*" \
  68          "set first breakpoint in main"
  69 gdb_continue_to_breakpoint "continue to first breakpoint in main"
  70
  71 if [is_amd64_regs_target] {
  72     set nr_regs 16
  73 } else {
  74     set nr_regs 8
  75 }
  76
  77 for { set r 0 } { $r < $nr_regs } { incr r } {
  78     gdb_test "print \$xmm$r.v4_float" \
  79         ".. = \\{$r, $r.25, $r.5, $r.75\\}.*" \
  80         "check float contents of %xmm$r"
  81     gdb_test "print \$xmm$r.v16_int8" \
  82         ".. = \\{(-?\[0-9\]+, ){15}-?\[0-9\]+\\}.*" \
  83         "check int8 contents of %xmm$r"
  84 }
  85
  86 for { set r 0 } { $r < $nr_regs } { incr r } {
  87     gdb_test "set var \$xmm$r.v4_float\[0\] = $r + 10" "" "set %xmm$r"
  88 }
  89
  90 gdb_test "break [gdb_get_line_number "second breakpoint here"]" \
  91          "Breakpoint .* at .*i386-sse.c.*" \
  92          "set second breakpoint in main"
  93 gdb_continue_to_breakpoint "continue to second breakpoint in main"
  94
  95 for { set r 0 } { $r < $nr_regs } { incr r } {
  96     gdb_test "print data\[$r\]" \
  97         ".. = \\{f = \\{[expr $r + 10], $r.25, $r.5, $r.75\\}\\}.*" \
  98         "check contents of data\[$r\]"
  99 }