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-rw-r--r--sysdeps/aarch64/fpu/fpu_control.h15
1 files changed, 11 insertions, 4 deletions
diff --git a/sysdeps/aarch64/fpu/fpu_control.h b/sysdeps/aarch64/fpu/fpu_control.h
index 570e3dca78..d0cc5afc9f 100644
--- a/sysdeps/aarch64/fpu/fpu_control.h
+++ b/sysdeps/aarch64/fpu/fpu_control.h
@@ -21,17 +21,24 @@
 
 /* Macros for accessing the FPCR and FPSR.  */
 
-#define _FPU_GETCW(fpcr) \
+#if __GNUC_PREREQ (6,0)
+# define _FPU_GETCW(fpcr) (fpcr = __builtin_aarch64_get_fpcr ())
+# define _FPU_SETCW(fpcr) __builtin_aarch64_set_fpcr (fpcr)
+# define _FPU_GETFPSR(fpsr) (fpsr = __builtin_aarch64_get_fpsr ())
+# define _FPU_SETFPSR(fpsr) __builtin_aarch64_set_fpsr (fpsr)
+#else
+# define _FPU_GETCW(fpcr) \
   __asm__ __volatile__ ("mrs	%0, fpcr" : "=r" (fpcr))
 
-#define _FPU_SETCW(fpcr) \
+# define _FPU_SETCW(fpcr) \
   __asm__ __volatile__ ("msr	fpcr, %0" : : "r" (fpcr))
 
-#define _FPU_GETFPSR(fpsr) \
+# define _FPU_GETFPSR(fpsr) \
   __asm__ __volatile__ ("mrs	%0, fpsr" : "=r" (fpsr))
 
-#define _FPU_SETFPSR(fpsr) \
+# define _FPU_SETFPSR(fpsr) \
   __asm__ __volatile__ ("msr	fpsr, %0" : : "r" (fpsr))
+#endif
 
 /* Reserved bits should be preserved when modifying register
    contents. These two masks indicate which bits in each of FPCR and