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5606cbc710
Updates the libsecp256k1 dependency to commit: c0d9480fbbf8eccbd4be23ed27f6f2af6f3b211e PR: ``` BenchmarkSign-24 57756 21214 ns/op 164 B/op 3 allocs/op BenchmarkRecover-24 37156 33044 ns/op 80 B/op 1 allocs/op BenchmarkEcrecoverSignature-24 36889 32935 ns/op 80 B/op 1 allocs/op BenchmarkVerifySignature-24 41163 29207 ns/op 0 B/op 0 allocs/op BenchmarkDecompressPubkey-24 318624 4062 ns/op 304 B/op 6 allocs/op ``` Master: ``` BenchmarkSign-24 34509 35330 ns/op 164 B/op 3 allocs/op BenchmarkRecover-24 25418 47725 ns/op 80 B/op 1 allocs/op BenchmarkEcrecoverSignature-24 25735 47591 ns/op 80 B/op 1 allocs/op BenchmarkVerifySignature-24 29108 41097 ns/op 0 B/op 0 allocs/op BenchmarkDecompressPubkey-24 294747 4143 ns/op 304 B/op 6 allocs/op ``` Performance seems to be improved significantly: ``` Sign-24 34.86µ ± 3% 21.66µ ± 2% -37.86% (p=0.000 n=10) Recover-24 46.14µ ± 3% 33.24µ ± 2% -27.95% (p=0.000 n=10) ```
94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
#ifndef SECP256K1_INT128_NATIVE_IMPL_H
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#define SECP256K1_INT128_NATIVE_IMPL_H
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#include "int128.h"
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#include "util.h"
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static SECP256K1_INLINE void secp256k1_u128_load(secp256k1_uint128 *r, uint64_t hi, uint64_t lo) {
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*r = (((uint128_t)hi) << 64) + lo;
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}
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static SECP256K1_INLINE void secp256k1_u128_mul(secp256k1_uint128 *r, uint64_t a, uint64_t b) {
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*r = (uint128_t)a * b;
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}
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static SECP256K1_INLINE void secp256k1_u128_accum_mul(secp256k1_uint128 *r, uint64_t a, uint64_t b) {
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*r += (uint128_t)a * b;
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}
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static SECP256K1_INLINE void secp256k1_u128_accum_u64(secp256k1_uint128 *r, uint64_t a) {
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*r += a;
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}
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static SECP256K1_INLINE void secp256k1_u128_rshift(secp256k1_uint128 *r, unsigned int n) {
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VERIFY_CHECK(n < 128);
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*r >>= n;
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}
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static SECP256K1_INLINE uint64_t secp256k1_u128_to_u64(const secp256k1_uint128 *a) {
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return (uint64_t)(*a);
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}
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static SECP256K1_INLINE uint64_t secp256k1_u128_hi_u64(const secp256k1_uint128 *a) {
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return (uint64_t)(*a >> 64);
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}
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static SECP256K1_INLINE void secp256k1_u128_from_u64(secp256k1_uint128 *r, uint64_t a) {
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*r = a;
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}
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static SECP256K1_INLINE int secp256k1_u128_check_bits(const secp256k1_uint128 *r, unsigned int n) {
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VERIFY_CHECK(n < 128);
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return (*r >> n == 0);
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}
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static SECP256K1_INLINE void secp256k1_i128_load(secp256k1_int128 *r, int64_t hi, uint64_t lo) {
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*r = (((uint128_t)(uint64_t)hi) << 64) + lo;
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}
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static SECP256K1_INLINE void secp256k1_i128_mul(secp256k1_int128 *r, int64_t a, int64_t b) {
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*r = (int128_t)a * b;
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}
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static SECP256K1_INLINE void secp256k1_i128_accum_mul(secp256k1_int128 *r, int64_t a, int64_t b) {
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int128_t ab = (int128_t)a * b;
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VERIFY_CHECK(0 <= ab ? *r <= INT128_MAX - ab : INT128_MIN - ab <= *r);
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*r += ab;
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}
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static SECP256K1_INLINE void secp256k1_i128_det(secp256k1_int128 *r, int64_t a, int64_t b, int64_t c, int64_t d) {
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int128_t ad = (int128_t)a * d;
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int128_t bc = (int128_t)b * c;
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VERIFY_CHECK(0 <= bc ? INT128_MIN + bc <= ad : ad <= INT128_MAX + bc);
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*r = ad - bc;
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}
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static SECP256K1_INLINE void secp256k1_i128_rshift(secp256k1_int128 *r, unsigned int n) {
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VERIFY_CHECK(n < 128);
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*r >>= n;
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}
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static SECP256K1_INLINE uint64_t secp256k1_i128_to_u64(const secp256k1_int128 *a) {
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return (uint64_t)*a;
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}
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static SECP256K1_INLINE int64_t secp256k1_i128_to_i64(const secp256k1_int128 *a) {
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VERIFY_CHECK(INT64_MIN <= *a && *a <= INT64_MAX);
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return *a;
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}
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static SECP256K1_INLINE void secp256k1_i128_from_i64(secp256k1_int128 *r, int64_t a) {
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*r = a;
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}
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static SECP256K1_INLINE int secp256k1_i128_eq_var(const secp256k1_int128 *a, const secp256k1_int128 *b) {
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return *a == *b;
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}
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static SECP256K1_INLINE int secp256k1_i128_check_pow2(const secp256k1_int128 *r, unsigned int n, int sign) {
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VERIFY_CHECK(n < 127);
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VERIFY_CHECK(sign == 1 || sign == -1);
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return (*r == (int128_t)((uint128_t)sign << n));
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}
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#endif
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