From a7296eeca57a1f9b2505abb5dee1ff48cb493fe4 Mon Sep 17 00:00:00 2001 From: Lassi Kortela Date: Fri, 9 Aug 2019 22:03:36 +0300 Subject: [PATCH] Remove unused 64-bit byte swap --- c/utils.h | 32 -------------------------------- 1 file changed, 32 deletions(-) diff --git a/c/utils.h b/c/utils.h index 4be3429..639e6ae 100644 --- a/c/utils.h +++ b/c/utils.h @@ -60,25 +60,6 @@ static uint32_t ByteSwap32(uint32_t x) #define bswap_32(x) ByteSwap32(x) -static uint64_t ByteSwap64(uint64_t x) -{ -#ifdef ARCH_X86_64 - __asm("bswap %0" : "=r"(x) : "0"(x)); - return x; -#else - register union { - __extension__ uint64_t __ll; - uint32_t __l[2]; - } __x; - asm("xchgl %0,%1" - : "=r"(__x.__l[0]), "=r"(__x.__l[1]) - : "0"(bswap_32((unsigned long)x)), - "1"(bswap_32((unsigned long)(x >> 32)))); - return __x.__ll; -#endif -} -#define bswap_64(x) ByteSwap64(x) - #else #define bswap_16(x) (((x)&0x00ff) << 8 | ((x)&0xff00) >> 8) @@ -91,17 +72,4 @@ static uint64_t ByteSwap64(uint64_t x) (((x)&0x0000ff00) << 8) | (((x)&0x000000ff) << 24)) #endif -static uint64_t ByteSwap64(uint64_t x) -{ - union { - uint64_t ll; - uint32_t l[2]; - } w, r; - w.ll = x; - r.l[0] = bswap_32(w.l[1]); - r.l[1] = bswap_32(w.l[0]); - return r.ll; -} -#define bswap_64(x) ByteSwap64(x) - #endif