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

   1 # Copyright 2010-2020 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 AVX tests."
  24     return
  25 }
  26
  27 standard_testfile .c
  28
  29 if [get_compiler_info] {
  30     return -1
  31 }
  32
  33 set additional_flags ""
  34 if { [test_compiler_info gcc*] || [test_compiler_info clang*] } {
  35     set additional_flags "additional_flags=-mavx -I${srcdir}/.."
  36 }
  37
  38 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {
  39     unsupported "compiler does not support AVX"
  40     return
  41 }
  42
  43 clean_restart ${binfile}
  44
  45 if ![runto_main] then {
  46     fail "can't run to main"
  47     return 0
  48 }
  49
  50 send_gdb "print have_avx ()\r"
  51 gdb_expect {
  52     -re ".. = 1\r\n$gdb_prompt " {
  53         pass "check whether processor supports AVX"
  54     }
  55     -re ".. = 0\r\n$gdb_prompt " {
  56         verbose "processor does not support AVX; skipping AVX tests"
  57         return
  58     }
  59     -re ".*$gdb_prompt $" {
  60         fail "check whether processor supports AVX"
  61     }
  62     timeout {
  63         fail "check whether processor supports AVX (timeout)"
  64     }
  65 }
  66
  67 gdb_test "break [gdb_get_line_number "first breakpoint here"]" \
  68          "Breakpoint .* at .*i386-avx.c.*" \
  69          "set first breakpoint in main"
  70 gdb_continue_to_breakpoint "continue to first breakpoint in main"
  71
  72 if [is_amd64_regs_target] {
  73     set nr_regs 16
  74 } else {
  75     set nr_regs 8
  76 }
  77
  78 for { set r 0 } { $r < $nr_regs } { incr r } {
  79     gdb_test "print \$ymm$r.v8_float" \
  80         ".. = \\{$r, $r.125, $r.25, $r.375, $r.5, $r.625, $r.75, $r.875\\}.*" \
  81         "check float contents of %ymm$r"
  82     gdb_test "print \$ymm$r.v32_int8" \
  83         ".. = \\{(-?\[0-9\]+, ){31}-?\[0-9\]+\\}.*" \
  84         "check int8 contents of %ymm$r"
  85 }
  86
  87 for { set r 0 } { $r < $nr_regs } { incr r } {
  88     gdb_test "set var \$ymm$r.v8_float\[0\] = $r + 10" "" "set %ymm$r"
  89 }
  90
  91 gdb_test "break [gdb_get_line_number "second breakpoint here"]" \
  92          "Breakpoint .* at .*i386-avx.c.*" \
  93          "set second breakpoint in main"
  94 gdb_continue_to_breakpoint "continue to second breakpoint in main"
  95
  96 for { set r 0 } { $r < $nr_regs } { incr r } {
  97     gdb_test "print data\[$r\]" \
  98         ".. = \\{f = \\{[expr $r + 10], $r.125, $r.25, $r.375, $r.5, $r.625, $r.75, $r.875\\}\\}.*" \
  99         "check contents of data\[$r\]"
 100 }
 101
 102 # If testing with a remote protocol target, check that we can
 103 # force-disable the use of XML descriptions.  This should make the
 104 # client/server fallback to the pre-XML register file.
 105
 106 with_test_prefix "force-disable xml descriptions" {
 107     if {[target_info gdb_protocol] == "remote"
 108         || [target_info gdb_protocol] == "extended-remote"} {
 109
 110         save_vars { GDBFLAGS } {
 111             append GDBFLAGS " -ex \"set remote target-features-packet off\""
 112             clean_restart ${binfile}
 113         }
 114
 115         if ![runto_main] then {
 116             fail "run to main"
 117             return
 118         }
 119
 120         # With qXfer:features:read disabled, we won't know anything
 121         # about YMM registers.
 122         gdb_test "print \$ymm0" " = void"
 123         gdb_test "print \$xmm0" "v4_float.*"
 124     }
 125 }