[PATCH] D139749: Headers: use C++ inline semantics in C++ mode

[Saleem Abdulrasool via Phabricator via cfe-commits]

compnerd updated this revision to Diff 483081.
compnerd retitled this revision from "Headers: make a couple of builtins non-static" to "Headers: use C++ inline semantics in C++ mode".
compnerd edited the summary of this revision.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D139749/new/

https://reviews.llvm.org/D139749

Files:
  clang/lib/Headers/adxintrin.h


Index: clang/lib/Headers/adxintrin.h
===================================================================
--- clang/lib/Headers/adxintrin.h
+++ clang/lib/Headers/adxintrin.h
@@ -17,8 +17,19 @@
 /* Define the default attributes for the functions in this file. */
 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
 
+/* Use C++ inline semantics in C++, GNU inline for C mode. */
+#if defined(__cplusplus)
+#define __INLINE __inline
+#else
+#define __INLINE static __inline
+#endif
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* Intrinsics that are available only if __ADX__ defined */
-static __inline unsigned char __attribute__((__always_inline__, __nodebug__, __target__("adx")))
+__INLINE unsigned char __attribute__((__always_inline__, __nodebug__, __target__("adx")))
 _addcarryx_u32(unsigned char __cf, unsigned int __x, unsigned int __y,
                unsigned int *__p)
 {
@@ -26,7 +37,7 @@
 }
 
 #ifdef __x86_64__
-static __inline unsigned char __attribute__((__always_inline__, __nodebug__, __target__("adx")))
+__INLINE unsigned char __attribute__((__always_inline__, __nodebug__, __target__("adx")))
 _addcarryx_u64(unsigned char __cf, unsigned long long __x,
                unsigned long long __y, unsigned long long  *__p)
 {
@@ -35,7 +46,7 @@
 #endif
 
 /* Intrinsics that are also available if __ADX__ undefined */
-static __inline unsigned char __DEFAULT_FN_ATTRS
+__INLINE unsigned char __DEFAULT_FN_ATTRS
 _addcarry_u32(unsigned char __cf, unsigned int __x, unsigned int __y,
               unsigned int *__p)
 {
@@ -43,7 +54,7 @@
 }
 
 #ifdef __x86_64__
-static __inline unsigned char __DEFAULT_FN_ATTRS
+__INLINE unsigned char __DEFAULT_FN_ATTRS
 _addcarry_u64(unsigned char __cf, unsigned long long __x,
               unsigned long long __y, unsigned long long  *__p)
 {
@@ -51,7 +62,7 @@
 }
 #endif
 
-static __inline unsigned char __DEFAULT_FN_ATTRS
+__INLINE unsigned char __DEFAULT_FN_ATTRS
 _subborrow_u32(unsigned char __cf, unsigned int __x, unsigned int __y,
               unsigned int *__p)
 {
@@ -59,7 +70,7 @@
 }
 
 #ifdef __x86_64__
-static __inline unsigned char __DEFAULT_FN_ATTRS
+__INLINE unsigned char __DEFAULT_FN_ATTRS
 _subborrow_u64(unsigned char __cf, unsigned long long __x,
                unsigned long long __y, unsigned long long  *__p)
 {
@@ -67,6 +78,11 @@
 }
 #endif
 
+#if defined(__cplusplus)
+}
+#endif
+
 #undef __DEFAULT_FN_ATTRS
+#undef __INLINE
 
 #endif /* __ADXINTRIN_H */


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