mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
fd34ef732d
- Utilities like pledge.com now build - kprintf() will no longer balk at 48-bit addresses - There's a new aarch64-dbg build mode that should work - gc() and defer() are mostly pacified; avoid using them on aarch64 - THIRD_PART_STB now has Arm Neon intrinsics for fast image handling
46 lines
2.4 KiB
C
46 lines
2.4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/dce.h"
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#include "libc/intrin/asan.internal.h"
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#include "libc/nexgen32e/x86feature.h"
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#include "libc/runtime/runtime.h"
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void djbsort_avx2(int32_t *, long);
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/**
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* D.J. Bernstein's outrageously fast integer sorting algorithm.
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*/
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void djbsort(int32_t *a, size_t n) {
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size_t m;
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if (IsAsan()) {
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if (__builtin_mul_overflow(n, 4, &m)) m = -1;
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__asan_verify(a, m);
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}
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if (n > 1) {
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#ifdef __x86_64__
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if (X86_HAVE(AVX2)) {
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djbsort_avx2(a, n);
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} else {
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_intsort(a, n);
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}
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#else
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_intsort(a, n);
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#endif /* __x86_64__ */
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}
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}
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