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Windows profile build target (CPU profiling), and a little bit of optimization revealed by such.

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This commit is contained in:
Adam Ierymenko 2017-04-17 15:45:49 -07:00
parent 95e5345cc3
commit d8f5cfdee4
4 changed files with 121 additions and 8 deletions
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21
node/Poly1305.cpp
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@ -135,11 +135,12 @@ typedef struct poly1305_context {
unsigned char opaque[136];
} poly1305_context;
#if (defined(_MSC_VER) || defined(__GNUC__)) && (defined(__amd64) || defined(__amd64__) || defined(__x86_64) || defined(__x86_64__) || defined(__AMD64) || defined(__AMD64__))
#if (defined(_MSC_VER) || defined(__GNUC__)) && (defined(__amd64) || defined(__amd64__) || defined(__x86_64) || defined(__x86_64__) || defined(__AMD64) || defined(__AMD64__) || defined(_M_X64))
//////////////////////////////////////////////////////////////////////////////
// 128-bit implementation for MSC and GCC from Poly1305-donna
#if defined(_MSC_VER)
#include <intrin.h>
@ -183,9 +184,9 @@ typedef struct poly1305_state_internal_t {
unsigned char final;
} poly1305_state_internal_t;
/* interpret eight 8 bit unsigned integers as a 64 bit unsigned integer in little endian */
static inline unsigned long long
U8TO64(const unsigned char *p) {
#if defined(ZT_NO_TYPE_PUNNING) || (__BYTE_ORDER != __LITTLE_ENDIAN)
static inline unsigned long long U8TO64(const unsigned char *p)
{
return
(((unsigned long long)(p[0] & 0xff) ) |
((unsigned long long)(p[1] & 0xff) << 8) |
@ -196,10 +197,13 @@ U8TO64(const unsigned char *p) {
((unsigned long long)(p[6] & 0xff) << 48) |
((unsigned long long)(p[7] & 0xff) << 56));
}
#else
#define U8TO64(p) (*reinterpret_cast<const unsigned long long *>(p))
#endif
/* store a 64 bit unsigned integer as eight 8 bit unsigned integers in little endian */
static inline void
U64TO8(unsigned char *p, unsigned long long v) {
#if defined(ZT_NO_TYPE_PUNNING) || (__BYTE_ORDER != __LITTLE_ENDIAN)
static inline void U64TO8(unsigned char *p, unsigned long long v)
{
p[0] = (v ) & 0xff;
p[1] = (v >> 8) & 0xff;
p[2] = (v >> 16) & 0xff;
@ -209,6 +213,9 @@ U64TO8(unsigned char *p, unsigned long long v) {
p[6] = (v >> 48) & 0xff;
p[7] = (v >> 56) & 0xff;
}
#else
#define U64TO8(p,v) ((*reinterpret_cast<unsigned long long *>(p)) = (v))
#endif
static inline void
poly1305_init(poly1305_context *ctx, const unsigned char key[32]) {