gdb/testsuite/gdb.arch/x86-avx512bf16.exp

   1 # Copyright 2020-2024 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 # Test bfloat16 support in AVX512 registers
  20
  21 require allow_avx512bf16_tests
  22
  23 standard_testfile
  24
  25 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  26     return -1
  27 }
  28
  29 if { ![runto_main] } {
  30     return -1
  31 }
  32
  33 # Test xmm
  34 set line1 [gdb_get_line_number "first breakpoint here"]
  35 gdb_breakpoint $line1
  36 gdb_continue_to_breakpoint "line1" ".*$srcfile:$line1.*"
  37
  38 gdb_test "print \$xmm0.v8_bfloat16" \
  39     "= \\{0, 0.125, 0.25, 0.375, 0.5, 0.625, 0.75, 0.875\\}"
  40
  41 gdb_test "print \$xmm6.v8_bfloat16" \
  42     "= \\{3, 3.125, 3.25, 3.375, 3.5, 3.625, 3.75, 3.875\\}"
  43
  44 # Test ymm
  45 set line2 [gdb_get_line_number "second breakpoint here"]
  46 gdb_breakpoint $line2
  47 gdb_continue_to_breakpoint "line2" ".*$srcfile:$line2.*"
  48
  49 gdb_test "print \$ymm0.v16_bfloat16\[1\]" "= 8.25"
  50 gdb_test "print \$ymm6.v16_bfloat16\[1\]" "= 20.25"
  51
  52 # Test zmm
  53 set line3 [gdb_get_line_number "third breakpoint here"]
  54 gdb_breakpoint $line3
  55 gdb_continue_to_breakpoint "line3" ".*$srcfile:$line3.*"
  56
  57 gdb_test "print \$zmm0.v32_bfloat16\[1\]" "= 20.5"
  58 gdb_test "print \$zmm6.v32_bfloat16\[1\]" "= 68.5"
  59
  60 # Test setting of bfloat values
  61 gdb_test_no_output "set var \$xmm0.v8_bfloat16\[0\] = 32.25" \
  62     "set %xmm0.v8_bfloat16\[0\]"
  63 gdb_test_no_output "set var \$ymm4.v16_bfloat16\[1\] = 33.5" \
  64     "set %ymm4.v16_bfloat16\[1\]"
  65 gdb_test_no_output "set var \$zmm7.v32_bfloat16\[2\] = 22.75" \
  66     "set %zmm7.v32_bfloat16\[2\]"
  67
  68 gdb_test "p \$xmm0.v8_bfloat16\[0\]" "= 32.25"
  69 gdb_test "p \$ymm4.v16_bfloat16\[1\]" "= 33.5"
  70 gdb_test "p \$zmm7.v32_bfloat16\[2\]" "= 22.75"