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Perform build and magnum tuning

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Building o//third_party/python now takes 5 seconds on my PC

This change works towards modifying Python to use runtime dispatching
when appropriate. For example, when loading the magnums in the socket
module, it's a good idea to check if the magnum is zero, because that
means the local system platform doesn't support it.
This commit is contained in:
Justine Tunney 2021-08-10 10:26:13 -07:00
parent ee7e296339
commit d26d7ae0e4
1028 changed files with 6576 additions and 172777 deletions
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102
third_party/python/Modules/_decimal/libmpdec/mpdecimal.h vendored
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@ -1,34 +1,11 @@
/*
* Copyright (c) 2008-2016 Stefan Krah. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef MPDECIMAL_H
#define MPDECIMAL_H
#include "libc/fmt/conv.h"
#include "libc/inttypes.h"
#include "libc/limits.h"
#include "libc/stdio/stdio.h"
#include "third_party/python/pyconfig.h"
/* clang-format off */
#ifdef __cplusplus
extern "C" {
@ -38,66 +15,31 @@ extern "C" {
#endif
#endif
#ifndef _MSC_VER
#include "pyconfig.h"
#ifndef __GNUC_STDC_INLINE__
#define __GNUC_STDC_INLINE__ 1
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <assert.h>
#include <stdint.h>
#include <inttypes.h>
#ifdef _MSC_VER
#include "vccompat.h"
#ifndef UNUSED
#define UNUSED
#endif
#define MPD_PRAGMA(x)
#define MPD_HIDE_SYMBOLS_START
#define MPD_HIDE_SYMBOLS_END
#define EXTINLINE extern inline
#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
#define UNUSED __attribute__((__unused__))
#else
#ifndef __GNUC_STDC_INLINE__
#define __GNUC_STDC_INLINE__ 1
#endif
#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
#define UNUSED __attribute__((unused))
#else
#define UNUSED
#endif
#if (defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__)) && \
defined(__GNUC__) && __GNUC__ >= 4 && !defined(__INTEL_COMPILER)
#define MPD_PRAGMA(x) _Pragma(x)
#define MPD_HIDE_SYMBOLS_START "GCC visibility push(hidden)"
#define MPD_HIDE_SYMBOLS_END "GCC visibility pop"
#else
#define MPD_PRAGMA(x)
#define MPD_HIDE_SYMBOLS_START
#define MPD_HIDE_SYMBOLS_END
#endif
#define EXTINLINE
#define UNUSED
#endif
#if (defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__)) && \
defined(__GNUC__) && __GNUC__ >= 4 && !defined(__INTEL_COMPILER)
#define MPD_PRAGMA(x) _Pragma(x)
#define MPD_HIDE_SYMBOLS_START "GCC visibility push(hidden)"
#define MPD_HIDE_SYMBOLS_END "GCC visibility pop"
#else
#define MPD_PRAGMA(x)
#define MPD_HIDE_SYMBOLS_START
#define MPD_HIDE_SYMBOLS_END
#endif
#define EXTINLINE
/* This header file is internal for the purpose of building _decimal.so.
* All symbols should have local scope in the DSO. */
MPD_PRAGMA(MPD_HIDE_SYMBOLS_START)
#if !defined(LEGACY_COMPILER)
#if !defined(UINT64_MAX)
/* The following #error is just a warning. If the compiler indeed does
* not have uint64_t, it is perfectly safe to comment out the #error. */
#error "Warning: Compiler without uint64_t. Comment out this line."
#define LEGACY_COMPILER
#endif
#endif
/******************************************************************************/
/* Version */
/******************************************************************************/