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Make AARCH64 harder, better, faster, stronger

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- Perform some housekeeping on scalar math function code
- Import ARM's Optimized Routines for SIMD string processing
- Upgrade to latest Chromium zlib and enable more SIMD optimizations
This commit is contained in:
Justine Tunney 2023-05-15 01:51:29 -07:00
parent 550b52abf6
commit cc1732bc42
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GPG key ID: BE714B4575D6E328
143 changed files with 15661 additions and 1329 deletions
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37
third_party/zlib/cpu_features.c vendored Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2023 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dce.h"
#include "libc/runtime/runtime.h"
#include "libc/sysv/consts/auxv.h"
#include "libc/sysv/consts/hwap.h"
#include "third_party/zlib/cpu_features.internal.h"
#include "third_party/zlib/zlib.h"
int arm_cpu_enable_crc32;
int arm_cpu_enable_pmull;
void(cpu_check_features)(void) {
#if defined(__aarch64__) && defined(__ARM_NEON)
if (IsLinux()) {
unsigned long features = getauxval(AT_HWCAP);
arm_cpu_enable_crc32 = !!(features & HWCAP_CRC32);
arm_cpu_enable_pmull = !!(features & HWCAP_PMULL);
}
#endif
}