1 files changed, 33 insertions, 0 deletions
diff --git a/newlib/libm/machine/i386/f_atan2.S b/newlib/libm/machine/i386/f_atan2.S
new file mode 100644
index 000000000..51ac98140
--- /dev/null
+++ b/newlib/libm/machine/i386/f_atan2.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 atan2 using Intel float instructions.
+
+   double _f_atan2 (double y, double x);
+
+Function computes arctan ( y / x ).
+There is no error checking or setting of errno.
+*/
+	
+	#include "i386mach.h"
+
+	.global SYM (_f_atan2)
+       SOTYPE_FUNCTION(_f_atan2)
+
+SYM (_f_atan2):
+	pushl ebp
+	movl esp,ebp
+	fldl 8(ebp)
+	fldl 16(ebp)
+	fpatan
+
+	leave
+	ret