From d2cbd84d7e8bd343d5c1b2c2aba8dc4d23f1ad08 Mon Sep 17 00:00:00 2001
From: Yedidya Feldblum <yfeldblum@meta.com>
Date: Fri, 7 Feb 2025 00:56:34 -0800
Subject: [PATCH] FOLLY_ARM_FEATURE_SVE

Reviewed By: dmm-fb

Differential Revision: D69268926

fbshipit-source-id: 9138cd2057da0bc16c8cc5ec5e140cb0ce65a38d
---
 third-party/folly/src/folly/Portability.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/third-party/folly/src/folly/Portability.h b/third-party/folly/src/folly/Portability.h
index a223b7a7365d48..98d12ad360a94c 100644
--- a/third-party/folly/src/folly/Portability.h
+++ b/third-party/folly/src/folly/Portability.h
@@ -409,6 +409,14 @@ constexpr auto kHasWeakSymbols = false;
 #endif
 #endif
 
+#ifndef FOLLY_ARM_FEATURE_SVE
+#ifdef __ARM_FEATURE_SVE
+#define FOLLY_ARM_FEATURE_SVE 1
+#else
+#define FOLLY_ARM_FEATURE_SVE 0
+#endif
+#endif
+
 #ifndef FOLLY_ARM_FEATURE_SVE2
 #ifdef __ARM_FEATURE_SVE2
 #define FOLLY_ARM_FEATURE_SVE2 1