New mklog script.
contrib/ChangeLog: 2020-05-15 Martin Liska <mliska@suse.cz> * gcc-git-customization.sh: Add alias.gcc-mklog new hook. * mklog.py: New file. * test_mklog.py: New file.
This commit is contained in:
Martin Liska
parent
e576ed7a9d
commit
00243d9a64
@ -1,3 +1,10 @@
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2020-05-19 Martin Liska <mliska@suse.cz>
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* gcc-git-customization.sh: Add
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alias.gcc-mklog new hook.
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* mklog.py: New file.
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* test_mklog.py: New file.
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2020-05-19 Martin Liska <mliska@suse.cz>
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* legacy/mklog: Moved from mklog.
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@ -27,6 +27,8 @@ git config alias.gcc-undescr \!"f() { o=\$(git config --get gcc-config.upstream)
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git config alias.gcc-verify '!f() { "`git rev-parse --show-toplevel`/contrib/gcc-changelog/git_check_commit.py" $@; } ; f'
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git config alias.gcc-mklog '!f() { "`git rev-parse --show-toplevel`/contrib/mklog.py" $@; } ; f'
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# Make diff on MD files use "(define" as a function marker.
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# Use this in conjunction with a .gitattributes file containing
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# *.md diff=md
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223
contrib/mklog.py
Executable file
223
contrib/mklog.py
Executable file
@ -0,0 +1,223 @@
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#!/usr/bin/env python3
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# Copyright (C) 2020 Free Software Foundation, Inc.
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#
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# This file is part of GCC.
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#
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# GCC 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, or (at your option)
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# any later version.
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#
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# GCC 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 GCC; see the file COPYING. If not, write to
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# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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# This script parses a .diff file generated with 'diff -up' or 'diff -cp'
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# and adds a skeleton ChangeLog file to the file. It does not try to be
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# too smart when parsing function names, but it produces a reasonable
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# approximation.
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#
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# Author: Martin Liska <mliska@suse.cz>
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import argparse
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import bs4
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import os
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import re
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import requests
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import sys
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from unidiff import PatchSet
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pr_regex = re.compile(r'(\/(\/|\*)|[Cc*!])\s+(?P<pr>PR [a-z+-]+\/[0-9]+)')
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identifier_regex = re.compile(r'^([a-zA-Z0-9_#].*)')
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comment_regex = re.compile(r'^\/\*')
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struct_regex = re.compile(r'^((class|struct|union|enum)\s+[a-zA-Z0-9_]+)')
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macro_regex = re.compile(r'#\s*(define|undef)\s+([a-zA-Z0-9_]+)')
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super_macro_regex = re.compile(r'^DEF[A-Z0-9_]+\s*\(([a-zA-Z0-9_]+)')
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fn_regex = re.compile(r'([a-zA-Z_][^()\s]*)\s*\([^*]')
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template_and_param_regex = re.compile(r'<[^<>]*>')
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function_extensions = set(['.c', '.cpp', '.C', '.cc', '.h', '.inc', '.def'])
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help_message = """\
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Generate ChangeLog template for PATCH.
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PATCH must be generated using diff(1)'s -up or -cp options
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(or their equivalent in git).
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"""
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script_folder = os.path.realpath(__file__)
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gcc_root = os.path.dirname(os.path.dirname(script_folder))
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def find_changelog(path):
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folder = os.path.split(path)[0]
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while True:
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if os.path.exists(os.path.join(gcc_root, folder, 'ChangeLog')):
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return folder
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folder = os.path.dirname(folder)
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if folder == '':
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return folder
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raise AssertionError()
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def extract_function_name(line):
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if comment_regex.match(line):
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return None
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m = struct_regex.search(line)
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if m:
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# Struct declaration
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return m.group(1)
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m = macro_regex.search(line)
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if m:
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# Macro definition
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return m.group(2)
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m = super_macro_regex.search(line)
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if m:
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# Supermacro
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return m.group(1)
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m = fn_regex.search(line)
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if m:
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# Discard template and function parameters.
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fn = m.group(1)
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fn = re.sub(template_and_param_regex, '', fn)
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return fn.rstrip()
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return None
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def try_add_function(functions, line):
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fn = extract_function_name(line)
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if fn and fn not in functions:
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functions.append(fn)
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return bool(fn)
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def sort_changelog_files(changed_file):
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return (changed_file.is_added_file, changed_file.is_removed_file)
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def get_pr_titles(prs):
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if not prs:
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return ''
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output = ''
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for pr in prs:
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id = pr.split('/')[-1]
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r = requests.get('https://gcc.gnu.org/PR%s' % id)
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html = bs4.BeautifulSoup(r.text, features='lxml')
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title = html.title.text
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title = title[title.find('–') + 1:].strip()
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output += '%s - %s\n' % (pr, title)
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output += '\n'
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return output
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def generate_changelog(data, no_functions=False, fill_pr_titles=False):
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changelogs = {}
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changelog_list = []
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prs = []
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out = ''
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diff = PatchSet(data)
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for file in diff:
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changelog = find_changelog(file.path)
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if changelog not in changelogs:
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changelogs[changelog] = []
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changelog_list.append(changelog)
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changelogs[changelog].append(file)
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# Extract PR entries from newly added tests
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if 'testsuite' in file.path and file.is_added_file:
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for line in list(file)[0]:
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m = pr_regex.search(line.value)
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if m:
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pr = m.group('pr')
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if pr not in prs:
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prs.append(pr)
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else:
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break
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if fill_pr_titles:
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out += get_pr_titles(prs)
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# sort ChangeLog so that 'testsuite' is at the end
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for changelog in sorted(changelog_list, key=lambda x: 'testsuite' in x):
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files = changelogs[changelog]
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out += '%s:\n' % os.path.join(changelog, 'ChangeLog')
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out += '\n'
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for pr in prs:
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out += '\t%s\n' % pr
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# new and deleted files should be at the end
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for file in sorted(files, key=sort_changelog_files):
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assert file.path.startswith(changelog)
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in_tests = 'testsuite' in changelog or 'testsuite' in file.path
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relative_path = file.path[len(changelog):].lstrip('/')
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functions = []
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if file.is_added_file:
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msg = 'New test' if in_tests else 'New file'
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out += '\t* %s: %s.\n' % (relative_path, msg)
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elif file.is_removed_file:
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out += '\t* %s: Removed.\n' % (relative_path)
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else:
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if not no_functions:
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for hunk in file:
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# Do not add function names for testsuite files
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extension = os.path.splitext(relative_path)[1]
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if not in_tests and extension in function_extensions:
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last_fn = None
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modified_visited = False
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success = False
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for line in hunk:
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m = identifier_regex.match(line.value)
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if line.is_added or line.is_removed:
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if not line.value.strip():
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continue
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modified_visited = True
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if m and try_add_function(functions,
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m.group(1)):
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last_fn = None
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success = True
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elif line.is_context:
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if last_fn and modified_visited:
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try_add_function(functions, last_fn)
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last_fn = None
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modified_visited = False
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success = True
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elif m:
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last_fn = m.group(1)
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modified_visited = False
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if not success:
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try_add_function(functions,
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hunk.section_header)
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if functions:
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out += '\t* %s (%s):\n' % (relative_path, functions[0])
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for fn in functions[1:]:
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out += '\t(%s):\n' % fn
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else:
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out += '\t* %s:\n' % relative_path
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out += '\n'
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return out
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description=help_message)
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parser.add_argument('input', nargs='?',
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help='Patch file (or missing, read standard input)')
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parser.add_argument('-s', '--no-functions', action='store_true',
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help='Do not generate function names in ChangeLogs')
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parser.add_argument('-p', '--fill-up-bug-titles', action='store_true',
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help='Download title of mentioned PRs')
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args = parser.parse_args()
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if args.input == '-':
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args.input = None
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input = open(args.input) if args.input else sys.stdin
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data = input.read()
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output = generate_changelog(data, args.no_functions,
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args.fill_up_bug_titles)
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print(output, end='')
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345
contrib/test_mklog.py
Executable file
345
contrib/test_mklog.py
Executable file
@ -0,0 +1,345 @@
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#!/usr/bin/env python3
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# Copyright (C) 2020 Free Software Foundation, Inc.
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#
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# This file is part of GCC.
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#
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# GCC 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, or (at your option)
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# any later version.
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#
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# GCC 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 GCC; see the file COPYING. If not, write to
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# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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# This script parses a .diff file generated with 'diff -up' or 'diff -cp'
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# and adds a skeleton ChangeLog file to the file. It does not try to be
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# too smart when parsing function names, but it produces a reasonable
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# approximation.
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#
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# Author: Martin Liska <mliska@suse.cz>
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import unittest
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from mklog import generate_changelog
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PATCH1 = '''\
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diff --git a/gcc/config/riscv/riscv.h b/gcc/config/riscv/riscv.h
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index 567c23380fe..e6209ede9d6 100644
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--- a/gcc/config/riscv/riscv.h
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+++ b/gcc/config/riscv/riscv.h
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@@ -920,6 +920,7 @@ extern unsigned riscv_stack_boundary;
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#define SHIFT_RS1 15
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#define SHIFT_IMM 20
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#define IMM_BITS 12
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+#define C_S_BITS 5
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#define C_SxSP_BITS 6
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#define IMM_REACH (1LL << IMM_BITS)
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@@ -929,6 +930,10 @@ extern unsigned riscv_stack_boundary;
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#define SWSP_REACH (4LL << C_SxSP_BITS)
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#define SDSP_REACH (8LL << C_SxSP_BITS)
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+/* This is the maximum value that can be represented in a compressed load/store
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+ offset (an unsigned 5-bit value scaled by 4). */
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+#define CSW_MAX_OFFSET ((4LL << C_S_BITS) - 1) & ~3
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+
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/* Called from RISCV_REORG, this is defined in riscv-sr.c. */
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extern void riscv_remove_unneeded_save_restore_calls (void);
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'''
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EXPECTED1 = '''\
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gcc/ChangeLog:
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* config/riscv/riscv.h (C_S_BITS):
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(CSW_MAX_OFFSET):
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'''
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PATCH2 = '''\
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diff --git a/gcc/targhooks.h b/gcc/targhooks.h
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index 9704d23f1db..b572a36e8cf 100644
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--- a/gcc/targhooks.h
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+++ b/gcc/targhooks.h
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@@ -120,7 +120,7 @@ extern bool default_empty_mask_is_expensive (unsigned);
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extern void *default_init_cost (class loop *);
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extern unsigned default_add_stmt_cost (class vec_info *, void *, int,
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enum vect_cost_for_stmt,
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- class _stmt_vec_info *, int,
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+ class _stmt_vec_info *, tree, int,
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enum vect_cost_model_location);
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extern void default_finish_cost (void *, unsigned *, unsigned *, unsigned *);
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extern void default_destroy_cost_data (void *);
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@@ -186,6 +186,7 @@ extern tree default_emutls_var_init (tree, tree, tree);
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extern unsigned int default_hard_regno_nregs (unsigned int, machine_mode);
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extern bool default_hard_regno_scratch_ok (unsigned int);
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extern bool default_mode_dependent_address_p (const_rtx, addr_space_t);
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+extern bool default_new_address_profitable_p (rtx, rtx_insn *, rtx);
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extern bool default_target_option_valid_attribute_p (tree, tree, tree, int);
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extern bool default_target_option_pragma_parse (tree, tree);
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extern bool default_target_can_inline_p (tree, tree);
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'''
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EXPECTED2 = '''\
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gcc/ChangeLog:
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* targhooks.h (default_add_stmt_cost):
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(default_new_address_profitable_p):
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'''
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PATCH3 = '''\
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diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h
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index 2b1e33f94ae..7f47402f9b9 100644
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--- a/libcpp/include/cpplib.h
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+++ b/libcpp/include/cpplib.h
|
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@@ -173,7 +173,7 @@ enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_GNUC11, CLK_GNUC17, CLK_GNUC2X,
|
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CLK_STDC2X,
|
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CLK_GNUCXX, CLK_CXX98, CLK_GNUCXX11, CLK_CXX11,
|
||||
CLK_GNUCXX14, CLK_CXX14, CLK_GNUCXX17, CLK_CXX17,
|
||||
- CLK_GNUCXX2A, CLK_CXX2A, CLK_ASM};
|
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+ CLK_GNUCXX20, CLK_CXX20, CLK_ASM};
|
||||
|
||||
/* Payload of a NUMBER, STRING, CHAR or COMMENT token. */
|
||||
struct GTY(()) cpp_string {
|
||||
@@ -484,7 +484,7 @@ struct cpp_options
|
||||
/* Nonzero for C2X decimal floating-point constants. */
|
||||
unsigned char dfp_constants;
|
||||
|
||||
- /* Nonzero for C++2a __VA_OPT__ feature. */
|
||||
+ /* Nonzero for C++20 __VA_OPT__ feature. */
|
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unsigned char va_opt;
|
||||
|
||||
/* Nonzero for the '::' token. */
|
||||
|
||||
'''
|
||||
|
||||
EXPECTED3 = '''\
|
||||
libcpp/ChangeLog:
|
||||
|
||||
* include/cpplib.h (enum c_lang):
|
||||
(struct cpp_options):
|
||||
|
||||
'''
|
||||
|
||||
EXPECTED3B = '''\
|
||||
libcpp/ChangeLog:
|
||||
|
||||
* include/cpplib.h:
|
||||
|
||||
'''
|
||||
|
||||
PATCH4 = '''\
|
||||
diff --git a/gcc/ipa-icf.c b/gcc/ipa-icf.c
|
||||
index aab79492357..f0df1002488 100644
|
||||
--- a/gcc/ipa-icf.c
|
||||
+++ b/gcc/ipa-icf.c
|
||||
@@ -1,5 +1,7 @@
|
||||
|
||||
|
||||
+
|
||||
+
|
||||
/* Interprocedural Identical Code Folding pass
|
||||
Copyright (C) 2014-2020 Free Software Foundation, Inc.
|
||||
|
||||
diff --git a/gcc/testsuite/gcc.dg/pr32374.c b/gcc/testsuite/gcc.dg/pr32374.c
|
||||
deleted file mode 100644
|
||||
index de15d559f5b..00000000000
|
||||
--- a/gcc/testsuite/gcc.dg/pr32374.c
|
||||
+++ /dev/null
|
||||
@@ -1,20 +0,0 @@
|
||||
-/* { dg-do compile } */
|
||||
-/* { dg-options "-O2" } */
|
||||
-
|
||||
-extern int *stderr;
|
||||
-
|
||||
-void f (int *, const char *, ...);
|
||||
-
|
||||
-void g (const char *conf_name)
|
||||
-{
|
||||
- typedef struct
|
||||
- {
|
||||
- const char *label;
|
||||
- const int value;
|
||||
- } Section;
|
||||
-
|
||||
- const Section sections[2] = { {"", 0}, {"", 1} };
|
||||
-
|
||||
- f (stderr, "", "", conf_name, 0, sections[0]);
|
||||
- f (stderr, "", "", conf_name, 0, sections[0]);
|
||||
-}
|
||||
diff --git a/gcc/testsuite/gcc.dg/pr40209.c b/gcc/testsuite/gcc.dg/pr40209.c
|
||||
index 4e77df5c2e6..c23d69d1f1b 100644
|
||||
--- a/gcc/testsuite/gcc.dg/pr40209.c
|
||||
+++ b/gcc/testsuite/gcc.dg/pr40209.c
|
||||
@@ -1,6 +1,8 @@
|
||||
/* { dg-do compile } */
|
||||
/* { dg-options "-O2 -fprofile-use -fopt-info -Wno-missing-profile" } */
|
||||
|
||||
+
|
||||
+
|
||||
void process(const char *s);
|
||||
|
||||
struct BaseHolder {
|
||||
diff --git a/gcc/testsuite/gcc.dg/pr50209.c b/gcc/testsuite/gcc.dg/pr50209.c
|
||||
new file mode 100644
|
||||
index 00000000000..b28b04f6431
|
||||
--- /dev/null
|
||||
+++ b/gcc/testsuite/gcc.dg/pr50209.c
|
||||
@@ -0,0 +1,3 @@
|
||||
+
|
||||
+
|
||||
+
|
||||
diff --git a/gcc/testsuite/gcc.dg/pr63567-1.c b/gcc/testsuite/gcc.dg/pr63567-1.c
|
||||
index 97da171563e..00c5ecc11fa 100644
|
||||
--- a/gcc/testsuite/gcc.dg/pr63567-1.c
|
||||
+++ b/gcc/testsuite/gcc.dg/pr63567-1.c
|
||||
@@ -1,3 +1,4 @@
|
||||
+
|
||||
/* PR c/63567 */
|
||||
/* { dg-do compile } */
|
||||
/* { dg-options "" } */
|
||||
diff --git a/gcc/varasm.c b/gcc/varasm.c
|
||||
index f062e48071f..fd3c7ca8cf3 100644
|
||||
--- a/gcc/varasm.c
|
||||
+++ b/gcc/varasm.c
|
||||
@@ -1,3 +1,5 @@
|
||||
+
|
||||
+
|
||||
/* Output variables, constants and external declarations, for GNU compiler.
|
||||
Copyright (C) 1987-2020 Free Software Foundation, Inc.
|
||||
|
||||
diff --git a/libssp/gets-chk.c b/libssp/gets-chk.c
|
||||
index 4ad78c1f77b..6687b368038 100644
|
||||
--- a/libssp/gets-chk.c
|
||||
+++ b/libssp/gets-chk.c
|
||||
@@ -32,6 +32,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
|
||||
+
|
||||
+
|
||||
#include "config.h"
|
||||
#include <ssp/ssp.h>
|
||||
#include <stdarg.h>
|
||||
'''
|
||||
|
||||
EXPECTED4 = '''\
|
||||
gcc/ChangeLog:
|
||||
|
||||
* ipa-icf.c:
|
||||
* varasm.c:
|
||||
|
||||
libssp/ChangeLog:
|
||||
|
||||
* gets-chk.c:
|
||||
|
||||
gcc/testsuite/ChangeLog:
|
||||
|
||||
* gcc.dg/pr40209.c:
|
||||
* gcc.dg/pr63567-1.c:
|
||||
* gcc.dg/pr32374.c: Removed.
|
||||
* gcc.dg/pr50209.c: New test.
|
||||
|
||||
'''
|
||||
|
||||
PATCH5 = '''\
|
||||
diff --git a/gcc/testsuite/gcc.target/i386/pr95046-6.c b/gcc/testsuite/gcc.target/i386/pr95046-6.c
|
||||
new file mode 100644
|
||||
index 00000000000..dcc8999c446
|
||||
--- /dev/null
|
||||
+++ b/gcc/testsuite/gcc.target/i386/pr95046-6.c
|
||||
@@ -0,0 +1,44 @@
|
||||
+/* PR target/95046 */
|
||||
+/* { dg-do compile { target { ! ia32 } } } */
|
||||
+/* { dg-options "-O3 -mavx512vl" } */
|
||||
+
|
||||
+
|
||||
+double r[2];
|
||||
+int s[2];
|
||||
+unsigned int u[2];
|
||||
+
|
||||
+void
|
||||
+test_float (void)
|
||||
+{
|
||||
+ for (int i = 0; i < 2; i++)
|
||||
+ r[i] = s[i];
|
||||
+}
|
||||
+
|
||||
+/* { dg-final { scan-assembler "\tvcvtdq2pd" } } */
|
||||
+
|
||||
+void
|
||||
+test_ufloat (void)
|
||||
+{
|
||||
+ for (int i = 0; i < 2; i++)
|
||||
+ r[i] = u[i];
|
||||
+}
|
||||
+
|
||||
+/* { dg-final { scan-assembler "\tvcvtudq2pd" } } */
|
||||
+
|
||||
+void
|
||||
+test_fix (void)
|
||||
+{
|
||||
+ for (int i = 0; i < 2; i++)
|
||||
+ s[i] = r[i];
|
||||
+}
|
||||
+
|
||||
+/* { dg-final { scan-assembler "\tvcvttpd2dqx" } } */
|
||||
+
|
||||
+void
|
||||
+test_ufix (void)
|
||||
+{
|
||||
+ for (int i = 0; i < 2; i++)
|
||||
+ u[i] = r[i];
|
||||
+}
|
||||
+
|
||||
+/* { dg-final { scan-assembler "\tvcvttpd2udqx" } } */
|
||||
--
|
||||
2.26.2
|
||||
|
||||
'''
|
||||
|
||||
EXPECTED5 = '''\
|
||||
PR target/95046 - Vectorize V2SFmode operations
|
||||
|
||||
gcc/testsuite/ChangeLog:
|
||||
|
||||
PR target/95046
|
||||
* gcc.target/i386/pr95046-6.c: New test.
|
||||
|
||||
'''
|
||||
|
||||
class TestMklog(unittest.TestCase):
|
||||
def test_macro_definition(self):
|
||||
changelog = generate_changelog(PATCH1)
|
||||
assert changelog == EXPECTED1
|
||||
|
||||
def test_changed_argument(self):
|
||||
changelog = generate_changelog(PATCH2)
|
||||
assert changelog == EXPECTED2
|
||||
|
||||
def test_enum_and_struct(self):
|
||||
changelog = generate_changelog(PATCH3)
|
||||
assert changelog == EXPECTED3
|
||||
|
||||
def test_no_function(self):
|
||||
changelog = generate_changelog(PATCH3, True)
|
||||
assert changelog == EXPECTED3B
|
||||
|
||||
def test_sorting(self):
|
||||
changelog = generate_changelog(PATCH4)
|
||||
assert changelog == EXPECTED4
|
||||
|
||||
def test_pr_bugzilla_download(self):
|
||||
changelog = generate_changelog(PATCH5, fill_pr_titles=True)
|
||||
assert changelog == EXPECTED5
|
||||
Loading…
Reference in New Issue
Block a user