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compat: remove glibc_compat.cpp

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fanquake 2021-09-09 13:33:39 +08:00
parent 62e45da945
commit a907704e7f
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1 changed files with 0 additions and 62 deletions
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src/compat/glibc_compat.cpp
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@ -1,62 +0,0 @@
// Copyright (c) 2009-2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#if defined(HAVE_CONFIG_H)
#include <config/bitcoin-config.h>
#endif
#include <cstddef>
#include <cstdint>
#if defined(__i386__) || defined(__arm__)
extern "C" int64_t __udivmoddi4(uint64_t u, uint64_t v, uint64_t* rp);
extern "C" int64_t __wrap___divmoddi4(int64_t u, int64_t v, int64_t* rp)
{
int32_t c1 = 0, c2 = 0;
int64_t uu = u, vv = v;
int64_t w;
int64_t r;
if (uu < 0) {
c1 = ~c1, c2 = ~c2, uu = -uu;
}
if (vv < 0) {
c1 = ~c1, vv = -vv;
}
w = __udivmoddi4(uu, vv, (uint64_t*)&r);
if (c1)
w = -w;
if (c2)
r = -r;
*rp = r;
return w;
}
#endif
extern "C" float log2f_old(float x);
#ifdef __i386__
__asm(".symver log2f_old,log2f@GLIBC_2.1");
#elif defined(__amd64__)
__asm(".symver log2f_old,log2f@GLIBC_2.2.5");
#elif defined(__arm__)
__asm(".symver log2f_old,log2f@GLIBC_2.4");
#elif defined(__aarch64__)
__asm(".symver log2f_old,log2f@GLIBC_2.17");
#elif defined(__powerpc64__)
# ifdef WORDS_BIGENDIAN
__asm(".symver log2f_old,log2f@GLIBC_2.3");
# else
__asm(".symver log2f_old,log2f@GLIBC_2.17");
# endif
#elif defined(__riscv)
__asm(".symver log2f_old,log2f@GLIBC_2.27");
#endif
extern "C" float __wrap_log2f(float x)
{
return log2f_old(x);
}