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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
83 lines
2.3 KiB
Plaintext
83 lines
2.3 KiB
Plaintext
# 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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