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

   1 # Copyright 2010-2024 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 require have_avx
  25
  26 standard_testfile .c
  27
  28 set flags { debug }
  29
  30 # C11 for _Alignas, gnu for asm.
  31 lappend flags additional_flags=-std=gnu11
  32
  33 lappend_include_file flags $srcdir/lib/precise-aligned-alloc.c
  34
  35 if { [test_compiler_info gcc*] || [test_compiler_info clang*] } {
  36     lappend flags "additional_flags=-mavx -I${srcdir}/.."
  37 }
  38
  39 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \
  40           $flags] != "" } {
  41     unsupported "compiler does not support AVX"
  42     return
  43 }
  44
  45 clean_restart ${binfile}
  46
  47 if {![runto_main]} {
  48     return 0
  49 }
  50
  51 gdb_test "break [gdb_get_line_number "first breakpoint here"]" \
  52          "Breakpoint .* at .*i386-avx.c.*" \
  53          "set first breakpoint in main"
  54 gdb_continue_to_breakpoint "continue to first breakpoint in main"
  55
  56 if [is_amd64_regs_target] {
  57     set nr_regs 16
  58 } else {
  59     set nr_regs 8
  60 }
  61
  62 for { set r 0 } { $r < $nr_regs } { incr r } {
  63     gdb_test "print \$ymm$r.v8_float" \
  64         ".. = \\{$r, $r.125, $r.25, $r.375, $r.5, $r.625, $r.75, $r.875\\}.*" \
  65         "check float contents of %ymm$r"
  66     gdb_test "print \$ymm$r.v32_int8" \
  67         ".. = \\{(-?\[0-9\]+, ){31}-?\[0-9\]+\\}.*" \
  68         "check int8 contents of %ymm$r"
  69 }
  70
  71 for { set r 0 } { $r < $nr_regs } { incr r } {
  72     gdb_test "set var \$ymm$r.v8_float\[0\] = $r + 10" "" "set %ymm$r"
  73 }
  74
  75 gdb_test "break [gdb_get_line_number "second breakpoint here"]" \
  76          "Breakpoint .* at .*i386-avx.c.*" \
  77          "set second breakpoint in main"
  78 gdb_continue_to_breakpoint "continue to second breakpoint in main"
  79
  80 for { set r 0 } { $r < $nr_regs } { incr r } {
  81     gdb_test "print data\[$r\]" \
  82         ".. = \\{f = \\{[expr $r + 10], $r.125, $r.25, $r.375, $r.5, $r.625, $r.75, $r.875\\}\\}.*" \
  83         "check contents of data\[$r\]"
  84 }
  85
  86 # If testing with a remote protocol target, check that we can
  87 # force-disable the use of XML descriptions.  This should make the
  88 # client/server fallback to the pre-XML register file.
  89
  90 with_test_prefix "force-disable xml descriptions" {
  91     if {[target_info gdb_protocol] == "remote"
  92         || [target_info gdb_protocol] == "extended-remote"} {
  93
  94         save_vars { GDBFLAGS } {
  95             append GDBFLAGS " -ex \"set remote target-features-packet off\""
  96             clean_restart ${binfile}
  97         }
  98
  99         if {![runto_main]} {
 100             return
 101         }
 102
 103         # With qXfer:features:read disabled, we won't know anything
 104         # about YMM registers.
 105         gdb_test "print \$ymm0" " = void"
 106         gdb_test "print \$xmm0" "v4_float.*"
 107     }
 108 }