piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-21 05:09:34 -06:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #10941 from shuffle2/crypto-cleanup

Browse Source 
Crypto cleanup
This commit is contained in:
JosJuice
2022-08-05 12:12:34 +02:00
committed by GitHub
parent e638bb658f bf5076eb01
commit 939fa1ed1c
4 changed files with 18 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
Source/Core/Common/Crypto/SHA1.cpp
View File

@ -19,14 +19,6 @@
#ifdef _M_X86_64
#include <immintrin.h>
#elif defined(_M_ARM_64)
#if defined(__clang__)
// This is a bit of a hack to get clang to accept the sha1 intrinsics without modifying cmdline
// flags. Note __ARM_FEATURE_CRYPTO is deprecated and "SHA2" flag is the lowest one which includes
// SHA1.
#define __ARM_FEATURE_SHA2
// ...needed for older clang before they made the switchover to more granular flags.
#define __ARM_FEATURE_CRYPTO
#endif
#include <arm_acle.h>
#include <arm_neon.h>
#endif
@ -259,17 +251,6 @@ private:
#ifdef _M_ARM_64
// The armv8 flags are very annoying:
// clang inserts "+" prefixes itself, gcc does not.
// clang has deprecated "crypto" (removed in clang 13), gcc has not.
#ifdef _MSC_VER
#define TARGET_ARMV8_SHA1
#elif defined(__clang__)
#define TARGET_ARMV8_SHA1 [[gnu::target("sha2")]]
#elif defined(__GNUC__)
#define TARGET_ARMV8_SHA1 [[gnu::target("+crypto")]]
#endif
class ContextNeon final : public BlockContext
{
public:
@ -290,7 +271,6 @@ private:
u32 e{};
};
TARGET_ARMV8_SHA1
static inline uint32x4_t MsgSchedule(WorkBlock* wblock, size_t i)
{
auto& w = *wblock;
@ -302,7 +282,7 @@ private:
}
template <size_t Func>
TARGET_ARMV8_SHA1 static inline constexpr uint32x4_t f(State state, uint32x4_t w)
static inline constexpr uint32x4_t f(State state, uint32x4_t w)
{
const auto wk = vaddq_u32(w, vdupq_n_u32(K[Func]));
if constexpr (Func == 0)
@ -314,12 +294,8 @@ private:
}
template <size_t Func>
TARGET_ARMV8_SHA1 static inline constexpr State FourRounds(State state, uint32x4_t w)
static inline constexpr State FourRounds(State state, uint32x4_t w)
{
#ifdef _MSC_VER
// FIXME it seems the msvc optimizer gets a little too happy
_ReadBarrier();
#endif
return {f<Func>(state, w), vsha1h_u32(vgetq_lane_u32(state.abcd, 0))};
}