projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 88b9d363 | 1 | # Copyright 2021-2022 Free Software Foundation, Inc. |
| 1b6b755e LM |
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 | # This test checks if GDB can identify bfloat16 and IEEE half float types and | |
| 17 | # print them correctly. | |
| 18 | # | |
| 19 | load_lib dwarf.exp | |
| 20 | ||
| 21 | # This test can only be run on targets which support DWARF-2 and use gas. | |
| 22 | if {![dwarf2_support]} { | |
| 23 | return 0 | |
| 24 | } | |
| 25 | ||
| 26 | standard_testfile main.c -dw.S | |
| 27 | ||
| 28 | # Make some DWARF for the test. | |
| 29 | # 0x4049 is the equivalent of 3.141 for bfloat16. | |
| 30 | # 0x4248 is the equivalent of 3.1406 for IEEE half float. | |
| 31 | set asm_file [standard_output_file $srcfile2] | |
| 32 | Dwarf::assemble $asm_file { | |
| 33 | global srcdir subdir srcfile | |
| 34 | ||
| 35 | cu {} { | |
| 36 | DW_TAG_compile_unit { | |
| 37 | {DW_AT_language @DW_LANG_C} | |
| 38 | {DW_AT_name $srcfile} | |
| 39 | {DW_AT_comp_dir /tmp} | |
| 40 | } { | |
| 41 | declare_labels bf16_type fp16_type \ | |
| 42 | bf16_var fp16_var | |
| 43 | ||
| 44 | bf16_type: DW_TAG_base_type { | |
| 45 | {DW_AT_name __bf16} | |
| 46 | {encoding @DW_ATE_float} | |
| 47 | {DW_AT_byte_size 2 DW_FORM_sdata} | |
| 48 | } | |
| 49 | ||
| 50 | fp16_type: DW_TAG_base_type { | |
| 51 | {DW_AT_name __fp16} | |
| 52 | {encoding @DW_ATE_float} | |
| 53 | {DW_AT_byte_size 2 DW_FORM_sdata} | |
| 54 | } | |
| 55 | ||
| 56 | bf16_var: DW_TAG_variable { | |
| 57 | {DW_AT_name "bf16_1"} | |
| 58 | {DW_AT_type :${bf16_type}} | |
| 59 | {DW_AT_const_value 0x4049 DW_FORM_sdata} | |
| 60 | } | |
| 61 | ||
| 62 | fp16_var: DW_TAG_variable { | |
| 63 | {DW_AT_name "fp16_1"} | |
| 64 | {DW_AT_type :${fp16_type}} | |
| 65 | {DW_AT_const_value 0x4248 DW_FORM_sdata} | |
| 66 | } | |
| 67 | } | |
| 68 | } | |
| 69 | } | |
| 70 | ||
| 71 | if { [prepare_for_testing "failed to prepare" ${testfile} \ | |
| 72 | [list $srcfile $asm_file] {nodebug}] } { | |
| 73 | return -1 | |
| 74 | } | |
| 75 | ||
| 76 | if ![runto_main] { | |
| 77 | return -1 | |
| 78 | } | |
| 79 | ||
| 80 | # Make sure we can print both types correctly. | |
| 81 | gdb_test "print bf16_1" " = 3.141" | |
| 82 | gdb_test "print fp16_1" " = 3.1406" |