Vendor import of clang trunk r256945:

https://llvm.org/svn/llvm-project/cfe/trunk@256945

1 files changed, 4 insertions, 28 deletions

diff --git a/lib/Headers/ia32intrin.h b/lib/Headers/ia32intrin.h
index 5adf3f1..b2f82bb 100644
--- a/lib/Headers/ia32intrin.h
+++ b/lib/Headers/ia32intrin.h
@@ -32,50 +32,26 @@
 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
 __readeflags(void)
 {
-  unsigned long long __res = 0;
-  __asm__ __volatile__ ("pushf\n\t"
-                        "popq %0\n"
-                        :"=r"(__res)
-                        :
-                        :
-                       );
-  return __res;
+  return __builtin_ia32_readeflags_u64();
 }
 
 static __inline__ void __attribute__((__always_inline__, __nodebug__))
 __writeeflags(unsigned long long __f)
 {
-  __asm__ __volatile__ ("pushq %0\n\t"
-                        "popf\n"
-                        :
-                        :"r"(__f)
-                        :"flags"
-                       );
+  __builtin_ia32_writeeflags_u64(__f);
 }
 
 #else /* !__x86_64__ */
 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
 __readeflags(void)
 {
-  unsigned int __res = 0;
-  __asm__ __volatile__ ("pushf\n\t"
-                        "popl %0\n"
-                        :"=r"(__res)
-                        :
-                        :
-                       );
-  return __res;
+  return __builtin_ia32_readeflags_u32();
 }
 
 static __inline__ void __attribute__((__always_inline__, __nodebug__))
 __writeeflags(unsigned int __f)
 {
-  __asm__ __volatile__ ("pushl %0\n\t"
-                        "popf\n"
-                        :
-                        :"r"(__f)
-                        :"flags"
-                       );
+  __builtin_ia32_writeeflags_u32(__f);
 }
 #endif /* !__x86_64__ */