Import newlib and create makefile

1 files changed, 32 insertions, 0 deletions

diff --git a/newlib/libc/machine/i386/f_tan.S b/newlib/libc/machine/i386/f_tan.S
new file mode 100644
index 0000000..5221d5e
--- /dev/null
+++ b/newlib/libc/machine/i386/f_tan.S
@@ -0,0 +1,32 @@
+/*
+ * ==================================================== 
+ * 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 tan using Intel float instructions.
+
+   double _f_tan (double x);
+
+Function calculates the tangent of x.
+There is no error checking or setting of errno. 
+*/
+
+	#include "i386mach.h"
+
+	.global SYM (_f_tan)
+
+SYM (_f_tan):
+	pushl ebp
+	movl esp,ebp
+	fldl 8(ebp)
+	fptan
+	fincstp
+
+	leave
+	ret