From 9f4f18f286bd01593093258d7f6bff3b514ac476 Mon Sep 17 00:00:00 2001
From: Chen Weihang <chenweihang@baidu.com>
Date: Wed, 14 Sep 2022 11:04:49 +0800
Subject: [PATCH] Fix arm fp16 compile error (#45991)

* fix arm fp16 compile error

* polish macro impl
---
 paddle/phi/common/float16.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/paddle/phi/common/float16.h b/paddle/phi/common/float16.h
index 1597602648a..c401d8c6575 100644
--- a/paddle/phi/common/float16.h
+++ b/paddle/phi/common/float16.h
@@ -14,7 +14,11 @@
 
 #pragma once
 
+#if defined(_M_X64) || defined(__x86_64__) || defined(_M_IX86) || \
+    defined(__i386__)
+#define __PADDLE_x86__
 #include <immintrin.h>
+#endif
 #include <stdint.h>
 
 #include <cmath>
@@ -109,7 +113,7 @@ struct PADDLE_ALIGN(2) float16 {
     float16_t res = vget_lane_f16(vcvt_f16_f32(tmp), 0);
     x = *reinterpret_cast<uint16_t*>(&res);
 
-#elif defined(__F16C__)
+#elif defined(__F16C__) and defined(__PADDLE_x86__)
     x = _cvtss_sh(val, 0);
 
 #else
-- 
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