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-rw-r--r--absl/base/config.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/absl/base/config.h b/absl/base/config.h
index 4223629e..802529fc 100644
--- a/absl/base/config.h
+++ b/absl/base/config.h
@@ -898,4 +898,13 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' ||
#define ABSL_INTERNAL_HAVE_ARM_ACLE 1
#endif
+// ABSL_INTERNAL_HAVE_ARM_NEON is used for compile-time detection of NEON (ARM
+// SIMD).
+#ifdef ABSL_INTERNAL_HAVE_ARM_NEON
+#error ABSL_INTERNAL_HAVE_ARM_NEON cannot be directly set
+#elif defined(__ARM_NEON)
+#define ABSL_INTERNAL_HAVE_ARM_NEON 1
+#endif
+
+
#endif // ABSL_BASE_CONFIG_H_