From 0ac5ae2335292908f39031b1ea9fe8edce433c0f Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@gmail.com>
Date: Wed, 12 Oct 2011 11:27:51 -0400
Subject: Optimize libm

libm is now somewhat integrated with gcc's -ffinite-math-only option
and lots of the wrapper functions have been optimized.
---
 sysdeps/ieee754/flt-32/e_sinhf.c | 25 +++++++------------------
 1 file changed, 7 insertions(+), 18 deletions(-)

(limited to 'sysdeps/ieee754/flt-32/e_sinhf.c')

diff --git a/sysdeps/ieee754/flt-32/e_sinhf.c b/sysdeps/ieee754/flt-32/e_sinhf.c
index 045f6f121e..5813963488 100644
--- a/sysdeps/ieee754/flt-32/e_sinhf.c
+++ b/sysdeps/ieee754/flt-32/e_sinhf.c
@@ -8,31 +8,19 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_sinhf.c,v 1.4 1995/05/10 20:46:15 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const float one = 1.0, shuge = 1.0e37;
-#else
-static float one = 1.0, shuge = 1.0e37;
-#endif
 
-#ifdef __STDC__
-	float __ieee754_sinhf(float x)
-#else
-	float __ieee754_sinhf(x)
-	float x;
-#endif
-{	
+float
+__ieee754_sinhf(float x)
+{
 	float t,w,h;
 	int32_t ix,jx;
 
@@ -40,13 +28,13 @@ static float one = 1.0, shuge = 1.0e37;
 	ix = jx&0x7fffffff;
 
     /* x is INF or NaN */
-	if(ix>=0x7f800000) return x+x;	
+	if(__builtin_expect(ix>=0x7f800000, 0)) return x+x;
 
 	h = 0.5;
 	if (jx<0) h = -h;
     /* |x| in [0,22], return sign(x)*0.5*(E+E/(E+1))) */
 	if (ix < 0x41b00000) {		/* |x|<22 */
-	    if (ix<0x31800000) 		/* |x|<2**-28 */
+	    if (__builtin_expect(ix<0x31800000, 0))	/* |x|<2**-28 */
 		if(shuge+x>one) return x;/* sinh(tiny) = tiny with inexact */
 	    t = __expm1f(fabsf(x));
 	    if(ix<0x3f800000) return h*((float)2.0*t-t*t/(t+one));
@@ -66,3 +54,4 @@ static float one = 1.0, shuge = 1.0e37;
     /* |x| > overflowthresold, sinh(x) overflow */
 	return x*shuge;
 }
+strong_alias (__ieee754_sinhf, __sinhf_finite)
-- 
cgit 1.4.1