1 files changed, 33 insertions, 0 deletions
diff --git a/newlib/libm/machine/i386/f_tanf.S b/newlib/libm/machine/i386/f_tanf.S
new file mode 100644
index 000000000..23ba7376a
--- /dev/null
+++ b/newlib/libm/machine/i386/f_tanf.S
@@ -0,0 +1,33 @@
+/*
+ * ====================================================
+ * Copyright (C) 1998 by Cygnus Solutions. All rights reserved.
+ *                              
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.                
+ * ====================================================
+ */                     
+
+/*
+Fast version of tanf using Intel float instructions.
+
+   float _f_tanf (float x);
+
+Function calculates the tangent of x.
+There is no error checking or setting of errno.
+*/
+
+	#include "i386mach.h"
+
+	.global SYM (_f_tanf)
+       SOTYPE_FUNCTION(_f_tanf)
+
+SYM (_f_tanf):
+	pushl ebp
+	movl esp,ebp
+	flds 8(ebp)
+	fptan
+	fincstp
+
+	leave
+	ret