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authorPikalaxALT <pikalaxalt@gmail.com>2017-12-15 09:38:53 -0500
committerPikalaxALT <pikalaxalt@gmail.com>2017-12-15 09:39:34 -0500
commitf95a4a932476be2ba99e2fd081e8d2bc6ea12813 (patch)
tree75f67192cb2d7b7b575c94edda318e475239b63c /newlib/libc/machine/i386/f_ldexpf.S
parentf60aca96985e68c7d8a52eb7bc955fb80e132f73 (diff)
Import newlib and create makefile
Diffstat (limited to 'newlib/libc/machine/i386/f_ldexpf.S')
-rw-r--r--newlib/libc/machine/i386/f_ldexpf.S33
1 files changed, 33 insertions, 0 deletions
diff --git a/newlib/libc/machine/i386/f_ldexpf.S b/newlib/libc/machine/i386/f_ldexpf.S
new file mode 100644
index 0000000..e2bf387
--- /dev/null
+++ b/newlib/libc/machine/i386/f_ldexpf.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 ldexpf using Intel float instructions.
+
+ float _f_ldexpf (float x, int exp);
+
+Function calculates x * 2 ** exp.
+There is no error checking or setting of errno.
+*/
+
+ #include "i386mach.h"
+
+ .global SYM (_f_ldexpf)
+
+SYM (_f_ldexpf):
+ pushl ebp
+ movl esp,ebp
+ fild 12(ebp)
+ flds 8(ebp)
+ fscale
+ fstp st1
+
+ leave
+ ret