[scudo][standalone] Define hasHardwareCRC32 for other archs
Summary:
The function was only defined for x86 and arm families, which ends
up being an issue for PPC in g3.
Define the function, simply returning `false` for "other"
architectures.
Reviewers: hctim, pcc, cferris, eugenis, vitalybuka
Subscribers: kristof.beyls, #sanitizers, llvm-commits
Tags: #sanitizers, #llvm
Differential Revision: https://reviews.llvm.org/D71223
diff --git a/compiler-rt/lib/scudo/standalone/checksum.cpp b/compiler-rt/lib/scudo/standalone/checksum.cpp
index f713f5a..5de049a 100644
--- a/compiler-rt/lib/scudo/standalone/checksum.cpp
+++ b/compiler-rt/lib/scudo/standalone/checksum.cpp
@@ -44,7 +44,6 @@
__get_cpuid(1, &Eax, &Ebx, &Ecx, &Edx);
return !!(Ecx & bit_SSE4_2);
}
-
#elif defined(__arm__) || defined(__aarch64__)
#ifndef AT_HWCAP
#define AT_HWCAP 16
@@ -65,6 +64,9 @@
return !!(getauxval(AT_HWCAP) & HWCAP_CRC32);
#endif // SCUDO_FUCHSIA
}
+#else
+// No hardware CRC32 implemented in Scudo for other architectures.
+bool hasHardwareCRC32() { return false; }
#endif // defined(__x86_64__) || defined(__i386__)
} // namespace scudo
