[Minios-devel] [UNIKRAFT/INTEL-INTRINSICS PATCH v2 3/3] Implement _mm_getcsr and _mm_setcsr

[Felipe Huici <felipe.huici@xxxxxxxxx>]

Signed-off-by: Felipe Huici <felipe.huici@xxxxxxxxx>
---
 include/xmmintrin.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/xmmintrin.h b/include/xmmintrin.h
index 0b271b3..a630e48 100644
--- a/include/xmmintrin.h
+++ b/include/xmmintrin.h
@@ -3101,6 +3101,20 @@ static inline void __DEFAULT_FN_ATTRS _mm_pause(void)
 #undef __DEFAULT_FN_ATTRS
 #undef __DEFAULT_FN_ATTRS_MMX
 
+/* Set the control register to I.  */
+extern __inline void __attribute__((__gnu_inline__, __always_inline__, 
__artificial__))
+_mm_setcsr (unsigned int __I)
+{
+  __builtin_ia32_ldmxcsr (__I);
+}
+
+/* Return the contents of the control register.  */
+extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, 
__artificial__))
+_mm_getcsr (void)
+{
+  return __builtin_ia32_stmxcsr ();
+}
+
 /* Ugly hack for backwards-compatibility (compatible with gcc) */
 #ifdef __GNUC__
 #include <emmintrin.h>
-- 
2.11.0


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