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Change the lsx to baseline features.

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This patch change lsx to baseline feature, and lasx to dispatch
feature. Additionally, the runtime detection methods for lasx and
lsx have been modified.
This commit is contained in:
Hao Chen
2023-11-08 09:07:19 +08:00
parent 81907af74c
commit c19adb4953
5 changed files with 49 additions and 52 deletions
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modules/core/src/system.cpp
+10 -5
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@@ -154,6 +154,12 @@ void* allocSingletonNewBuffer(size_t size) { return malloc(size); }
# endif
#endif
#if defined __loongarch64
#include "sys/auxv.h"
#define LA_HWCAP_LSX (1<<4)
#define LA_HWCAP_LASX (1<<5)
#endif
#if defined _WIN32 || defined WINCE
#ifndef _WIN32_WINNT // This is needed for the declaration of TryEnterCriticalSection in winbase.h with Visual Studio 2005 (and older?)
#define _WIN32_WINNT 0x0400 // http://msdn.microsoft.com/en-us/library/ms686857(VS.85).aspx
@@ -704,12 +710,11 @@ struct HWFeatures
have[CV_CPU_RVV] = true;
#endif
#if defined __loongarch_sx
have[CV_CPU_LSX] = true;
#endif
#if defined __loongarch64 && defined __linux__
int flag = (int)getauxval(AT_HWCAP);
#if defined __loongarch_asx
have[CV_CPU_LASX] = true;
have[CV_CPU_LSX] = (flag & LA_HWCAP_LSX) != 0;
have[CV_CPU_LASX] = (flag & LA_HWCAP_LASX) != 0;
#endif
bool skip_baseline_check = false;