diff options
| author | Pieter Wuille <pieter.wuille@gmail.com> | 2019-10-27 12:52:31 -0700 |
|---|---|---|
| committer | Pieter Wuille <pieter.wuille@gmail.com> | 2019-11-12 14:50:44 -0800 |
| commit | 723c79666770b30cce9f962bed5ece8cc7d74580 (patch) | |
| tree | b1dbaecda34a61030ede89845bcb271fb4687277 /src/crypto/sha256.cpp | |
| parent | cea3902015185adc88adbd031d919f91bc844fd7 (diff) | |
| download | bitcoin-723c79666770b30cce9f962bed5ece8cc7d74580.tar.xz | |
[MOVEONLY] Move cpuid code from random & sha256 to compat/cpuid
Diffstat (limited to 'src/crypto/sha256.cpp')
| -rw-r--r-- | src/crypto/sha256.cpp | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/src/crypto/sha256.cpp b/src/crypto/sha256.cpp index 3257ee7f97..dda7e5230f 100644 --- a/src/crypto/sha256.cpp +++ b/src/crypto/sha256.cpp @@ -8,9 +8,10 @@ #include <assert.h> #include <string.h> +#include <compat/cpuid.h> + #if defined(__x86_64__) || defined(__amd64__) || defined(__i386__) #if defined(USE_ASM) -#include <cpuid.h> namespace sha256_sse4 { void Transform(uint32_t* s, const unsigned char* chunk, size_t blocks); @@ -546,18 +547,7 @@ bool SelfTest() { return true; } - #if defined(USE_ASM) && (defined(__x86_64__) || defined(__amd64__) || defined(__i386__)) -// We can't use cpuid.h's __get_cpuid as it does not support subleafs. -void inline cpuid(uint32_t leaf, uint32_t subleaf, uint32_t& a, uint32_t& b, uint32_t& c, uint32_t& d) -{ -#ifdef __GNUC__ - __cpuid_count(leaf, subleaf, a, b, c, d); -#else - __asm__ ("cpuid" : "=a"(a), "=b"(b), "=c"(c), "=d"(d) : "0"(leaf), "2"(subleaf)); -#endif -} - /** Check whether the OS has enabled AVX registers. */ bool AVXEnabled() { @@ -572,7 +562,7 @@ bool AVXEnabled() std::string SHA256AutoDetect() { std::string ret = "standard"; -#if defined(USE_ASM) && (defined(__x86_64__) || defined(__amd64__) || defined(__i386__)) +#if defined(USE_ASM) && defined(HAVE_GETCPUID) bool have_sse4 = false; bool have_xsave = false; bool have_avx = false; @@ -589,7 +579,7 @@ std::string SHA256AutoDetect() (void)enabled_avx; uint32_t eax, ebx, ecx, edx; - cpuid(1, 0, eax, ebx, ecx, edx); + GetCPUID(1, 0, eax, ebx, ecx, edx); have_sse4 = (ecx >> 19) & 1; have_xsave = (ecx >> 27) & 1; have_avx = (ecx >> 28) & 1; @@ -597,7 +587,7 @@ std::string SHA256AutoDetect() enabled_avx = AVXEnabled(); } if (have_sse4) { - cpuid(7, 0, eax, ebx, ecx, edx); + GetCPUID(7, 0, eax, ebx, ecx, edx); have_avx2 = (ebx >> 5) & 1; have_shani = (ebx >> 29) & 1; } |