From 1671fbe1ca0825a77cb9137a08cf4ad8a48d0f95 Mon Sep 17 00:00:00 2001
From: Jeff Johnston <jjohnstn@redhat.com>
Date: Fri, 28 Sep 2007 18:58:10 +0000
Subject: 2007-09-28  Patrick Mansfield  <patmans@us.ibm.com>

	* libm/machine/spu/headers/dom_chkd_less_than.h: New file.
	* libm/machine/spu/headers/dom_chkd_negone_one.h: Ditto.
	* libm/machine/spu/headers/dom_chkf_less_than.h: Ditto.
	* libm/machine/spu/headers/dom_chkf_negone_one.h: Ditto.
	* libm/machine/spu/headers/acos.h: Add domain check.
	* libm/machine/spu/headers/acosf.h: Ditto.
	* libm/machine/spu/headers/acosh.h: Ditto.
	* libm/machine/spu/headers/acoshf.h: Ditto.
	* libm/machine/spu/headers/asin.h: Ditto.
	* libm/machine/spu/headers/asinf.h: Ditto.
	* libm/machine/spu/headers/atanh.h: Ditto.
	* libm/machine/spu/headers/atanhf.h: Ditto.
	* libm/machine/spu/headers/fmod.h: Ditto.
	* libm/machine/spu/headers/fmodf.h: Ditto.
	* libm/machine/spu/headers/log.h: Ditto.
	* libm/machine/spu/headers/log10.h: Ditto.
	* libm/machine/spu/headers/log1p.h: Ditto.
	* libm/machine/spu/headers/log1pf.h: Ditto.
	* libm/machine/spu/headers/log2.h: Ditto.
	* libm/machine/spu/headers/log2f.h: Ditto.
	* libm/machine/spu/headers/sqrt.h: Ditto.
	* libm/machine/spu/headers/sqrtf.h: Ditto.
	* libm/machine/spu/headers/tgamma.h: Ditto.
	* libm/machine/spu/headers/tgammaf.h: Ditto.
---
 newlib/libm/machine/spu/headers/log2f.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'newlib/libm/machine/spu/headers/log2f.h')

diff --git a/newlib/libm/machine/spu/headers/log2f.h b/newlib/libm/machine/spu/headers/log2f.h
index b72665fd4..26717c7c0 100644
--- a/newlib/libm/machine/spu/headers/log2f.h
+++ b/newlib/libm/machine/spu/headers/log2f.h
@@ -33,6 +33,9 @@
 #ifndef _LOG2F_H_
 #define _LOG2F_H_	1
 
+#include <spu_intrinsics.h>
+#include "headers/dom_chkf_less_than.h"
+
 /*
  * FUNCTION
  *	float _log2f(float x)
@@ -73,6 +76,8 @@ static __inline float _log2f(float x)
   float result;
   float x2, x4;
   float hi, lo;
+  vector float vx;
+  vector float vc = { 0.0, 0.0, 0.0, 0.0 };
 
   in.f = x;
 
@@ -109,6 +114,10 @@ static __inline float _log2f(float x)
    */
   result += (float)(exponent);
 
+#ifndef _IEEE_LIBM
+  vx = spu_promote(x, 0);
+  dom_chkf_less_than(vx, vc);
+#endif
   return (result);
 }
 
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