Don't pull in setjmp.h in -ffreestanding compiles.

Also provide _setjmpex(). r200243 put in _setjmp() and _setjmpex() behind a
comment since jmp_buf wasn't available. r200344 added jmp_buf and put in
_setjmp(), but missed _setjmpex().

llvm-svn: 212557

diff --git a/clang/lib/Headers/Intrin.h b/clang/lib/Headers/Intrin.h
index d8dc0a4..13e105e 100644 (file)
--- a/clang/lib/Headers/Intrin.h
+++ b/clang/lib/Headers/Intrin.h
@@ -35,7 +35,9 @@
 #endif
 
 /* For the definition of jmp_buf. */
+#if __STDC_HOSTED__
 #include <setjmp.h>
+#endif
 
 #ifdef __cplusplus
 extern "C" {
@@ -291,7 +293,9 @@ unsigned __int64 __cdecl _rotr64(unsigned __int64 _Value, int _Shift);
 static __inline__
 unsigned char _rotr8(unsigned char _Value, unsigned char _Shift);
 int _sarx_i32(int, unsigned int);
+#if __STDC_HOSTED__
 int __cdecl _setjmp(jmp_buf);
+#endif
 unsigned int _shlx_u32(unsigned int, unsigned int);
 unsigned int _shrx_u32(unsigned int, unsigned int);
 void _Store_HLERelease(long volatile *, long);
@@ -449,8 +453,9 @@ unsigned int __cdecl _readgsbase_u32(void);
 unsigned __int64 __cdecl _readgsbase_u64(void);
 unsigned __int64 _rorx_u64(unsigned __int64, const unsigned int);
 __int64 _sarx_i64(__int64, unsigned int);
-/* FIXME: Need definition for jmp_buf.
-  int __cdecl _setjmpex(jmp_buf); */
+#if __STDC_HOSTED__
+int __cdecl _setjmpex(jmp_buf);
+#endif
 unsigned __int64 _shlx_u64(unsigned __int64, unsigned int);
 unsigned __int64 shrx_u64(unsigned __int64, unsigned int);
 unsigned __int64 _tzcnt_u64(unsigned __int64);