gdb/testsuite/gdb.arch/x86-avx512fp16.exp

   1 # Copyright 2021-2024 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 # Test fp16 support in AVX512 registers.
  17
  18 require allow_avx512fp16_tests
  19
  20 standard_testfile
  21
  22 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  23     return -1
  24 }
  25
  26 if { ![runto_main] } {
  27     return -1
  28 }
  29
  30 # Test xmm.
  31 set line1 [gdb_get_line_number "first breakpoint here"]
  32 gdb_breakpoint $line1
  33 gdb_continue_to_breakpoint "line1" ".*$srcfile:$line1.*"
  34
  35 gdb_test "print \$xmm0.v8_half" \
  36     "= \\{0.5, 0.625, 0.75, 0.875, 0, 0, 0, 0\\}"
  37
  38 gdb_test "print \$xmm6.v8_half" \
  39     "= \\{3.5, 3.625, 3.75, 3.875, 0, 0, 0, 0\\}"
  40
  41 # Test ymm.
  42 set line2 [gdb_get_line_number "second breakpoint here"]
  43 gdb_breakpoint $line2
  44 gdb_continue_to_breakpoint "line2" ".*$srcfile:$line2.*"
  45
  46 gdb_test "print \$ymm0.v16_half\[1\]" "= 10.25"
  47 gdb_test "print \$ymm6.v16_half\[1\]" "= 22.25"
  48
  49 # Test zmm.
  50 set line3 [gdb_get_line_number "third breakpoint here"]
  51 gdb_breakpoint $line3
  52 gdb_continue_to_breakpoint "line3" ".*$srcfile:$line3.*"
  53
  54 gdb_test "print \$zmm0.v32_half\[1\]" "= 28.5"
  55 gdb_test "print \$zmm6.v32_half\[1\]" "= 76.5"
  56
  57 # Test setting of half values.
  58 gdb_test_no_output "set var \$xmm0.v8_half\[0\] = 32.25"
  59 gdb_test_no_output "set var \$ymm3.v16_half\[1\] = 33.5"
  60 gdb_test_no_output "set var \$zmm7.v32_half\[2\] = 22.75"
  61
  62 gdb_test "p \$xmm0.v8_half\[0\]" "= 32.25"
  63 gdb_test "p \$ymm3.v16_half\[1\]" "= 33.5"
  64 gdb_test "p \$zmm7.v32_half\[2\]" "= 22.75"