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src: remove __builtin_bswap16 call #4290

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merged 2 commits into from
Dec 15, 2015
Merged

src: remove __builtin_bswap16 call #4290

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ce24716
src: remove unused BITS_PER_LONG macro
bnoordhuis Dec 15, 2015
f176b31
src: remove __builtin_bswap16 call
bnoordhuis Dec 15, 2015
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6 changes: 0 additions & 6 deletions src/node_internals.h
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Original file line number Diff line number Diff line change
Expand Up @@ -109,12 +109,6 @@ inline static int snprintf(char *buffer, size_t n, const char *format, ...) {
#endif
#endif

#if defined(__x86_64__)
# define BITS_PER_LONG 64
#else
# define BITS_PER_LONG 32
#endif

#ifndef ARRAY_SIZE
# define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a)[0]))
#endif
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9 changes: 1 addition & 8 deletions src/util-inl.h
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Expand Up @@ -199,15 +199,8 @@ TypeName* Unwrap(v8::Local<v8::Object> object) {
}

void SwapBytes(uint16_t* dst, const uint16_t* src, size_t buflen) {
for (size_t i = 0; i < buflen; i++) {
// __builtin_bswap16 generates more efficient code with
// g++ 4.8 on PowerPC and other big-endian archs
#ifdef __GNUC__
dst[i] = __builtin_bswap16(src[i]);
#else
for (size_t i = 0; i < buflen; i += 1)
dst[i] = (src[i] << 8) | (src[i] >> 8);
#endif
}
}


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