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Treat newer Neoverse as N1 if SVE unavailable (may be disabled in container/cloud env)

tags/v0.3.24
Martin Kroeker GitHub 2 years ago
parent
commit
ca7199f249
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 2 deletions
  1. +11
    -2
      driver/others/dynamic_arm64.c

+ 11
- 2
driver/others/dynamic_arm64.c View File

@@ -147,6 +147,9 @@ extern void openblas_warning(int verbose, const char * msg);
#ifndef HWCAP_CPUID
#define HWCAP_CPUID (1 << 11)
#endif
#ifndef HWCAP_SVE
#define HWCAP_SVE (1 << 22)
#endif

#define get_cpu_ftr(id, var) ({ \
__asm__ __volatile__ ("mrs %0, "#id : "=r" (var)); \
@@ -281,9 +284,15 @@ static gotoblas_t *get_coretype(void) {
return &gotoblas_NEOVERSEN1;
#ifndef NO_SVE
case 0xd49:
return &gotoblas_NEOVERSEN2;
if (!(getauxval(AT_HWCAP) & HWCAP_SVE))
return &gotoblas_NEOVERSEN1;
else
return &gotoblas_NEOVERSEN2;
case 0xd40:
return &gotoblas_NEOVERSEV1;
if (!(getauxval(AT_HWCAP) & HWCAP_SVE))
return &gotoblas_NEOVERSEN1;
else
return &gotoblas_NEOVERSEV1;
#endif
case 0xd05: // Cortex A55
return &gotoblas_CORTEXA55;


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