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

   1 # Copyright 2010-2023 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 if { ![have_avx] } {
  28     verbose "Skipping x86 AVX tests."
  29     return
  30 }
  31
  32 standard_testfile .c
  33
  34 set flags { debug }
  35
  36 # C11 for _Alignas, gnu for asm.
  37 lappend flags additional_flags=-std=gnu11
  38
  39 if { [test_compiler_info gcc*] || [test_compiler_info clang*] } {
  40     lappend flags "additional_flags=-mavx -I${srcdir}/.."
  41 }
  42
  43 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \
  44           $flags] != "" } {
  45     unsupported "compiler does not support AVX"
  46     return
  47 }
  48
  49 clean_restart ${binfile}
  50
  51 if {![runto_main]} {
  52     return 0
  53 }
  54
  55 gdb_test "break [gdb_get_line_number "first breakpoint here"]" \
  56          "Breakpoint .* at .*i386-avx.c.*" \
  57          "set first breakpoint in main"
  58 gdb_continue_to_breakpoint "continue to first breakpoint in main"
  59
  60 if [is_amd64_regs_target] {
  61     set nr_regs 16
  62 } else {
  63     set nr_regs 8
  64 }
  65
  66 for { set r 0 } { $r < $nr_regs } { incr r } {
  67     gdb_test "print \$ymm$r.v8_float" \
  68         ".. = \\{$r, $r.125, $r.25, $r.375, $r.5, $r.625, $r.75, $r.875\\}.*" \
  69         "check float contents of %ymm$r"
  70     gdb_test "print \$ymm$r.v32_int8" \
  71         ".. = \\{(-?\[0-9\]+, ){31}-?\[0-9\]+\\}.*" \
  72         "check int8 contents of %ymm$r"
  73 }
  74
  75 for { set r 0 } { $r < $nr_regs } { incr r } {
  76     gdb_test "set var \$ymm$r.v8_float\[0\] = $r + 10" "" "set %ymm$r"
  77 }
  78
  79 gdb_test "break [gdb_get_line_number "second breakpoint here"]" \
  80          "Breakpoint .* at .*i386-avx.c.*" \
  81          "set second breakpoint in main"
  82 gdb_continue_to_breakpoint "continue to second breakpoint in main"
  83
  84 for { set r 0 } { $r < $nr_regs } { incr r } {
  85     gdb_test "print data\[$r\]" \
  86         ".. = \\{f = \\{[expr $r + 10], $r.125, $r.25, $r.375, $r.5, $r.625, $r.75, $r.875\\}\\}.*" \
  87         "check contents of data\[$r\]"
  88 }
  89
  90 # If testing with a remote protocol target, check that we can
  91 # force-disable the use of XML descriptions.  This should make the
  92 # client/server fallback to the pre-XML register file.
  93
  94 with_test_prefix "force-disable xml descriptions" {
  95     if {[target_info gdb_protocol] == "remote"
  96         || [target_info gdb_protocol] == "extended-remote"} {
  97
  98         save_vars { GDBFLAGS } {
  99             append GDBFLAGS " -ex \"set remote target-features-packet off\""
 100             clean_restart ${binfile}
 101         }
 102
 103         if {![runto_main]} {
 104             return
 105         }
 106
 107         # With qXfer:features:read disabled, we won't know anything
 108         # about YMM registers.
 109         gdb_test "print \$ymm0" " = void"
 110         gdb_test "print \$xmm0" "v4_float.*"
 111     }
 112 }