82 lines
2.3 KiB
Text
82 lines
2.3 KiB
Text
# Copyright 2021-2022 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This test checks if GDB can identify bfloat16 and IEEE half float types and
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# print them correctly.
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#
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load_lib dwarf.exp
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# This test can only be run on targets which support DWARF-2 and use gas.
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if {![dwarf2_support]} {
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return 0
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}
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standard_testfile main.c -dw.S
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# Make some DWARF for the test.
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# 0x4049 is the equivalent of 3.141 for bfloat16.
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# 0x4248 is the equivalent of 3.1406 for IEEE half float.
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set asm_file [standard_output_file $srcfile2]
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Dwarf::assemble $asm_file {
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global srcdir subdir srcfile
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cu {} {
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DW_TAG_compile_unit {
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{DW_AT_language @DW_LANG_C}
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{DW_AT_name $srcfile}
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{DW_AT_comp_dir /tmp}
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} {
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declare_labels bf16_type fp16_type \
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bf16_var fp16_var
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bf16_type: DW_TAG_base_type {
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{DW_AT_name __bf16}
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{encoding @DW_ATE_float}
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{DW_AT_byte_size 2 DW_FORM_sdata}
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}
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fp16_type: DW_TAG_base_type {
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{DW_AT_name __fp16}
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{encoding @DW_ATE_float}
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{DW_AT_byte_size 2 DW_FORM_sdata}
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}
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bf16_var: DW_TAG_variable {
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{DW_AT_name "bf16_1"}
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{DW_AT_type :${bf16_type}}
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{DW_AT_const_value 0x4049 DW_FORM_sdata}
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}
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fp16_var: DW_TAG_variable {
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{DW_AT_name "fp16_1"}
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{DW_AT_type :${fp16_type}}
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{DW_AT_const_value 0x4248 DW_FORM_sdata}
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}
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}
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}
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}
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if { [prepare_for_testing "failed to prepare" ${testfile} \
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[list $srcfile $asm_file] {nodebug}] } {
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return -1
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}
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if ![runto_main] {
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return -1
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}
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# Make sure we can print both types correctly.
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gdb_test "print bf16_1" " = 3.141"
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gdb_test "print fp16_1" " = 3.1406"
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