Use glibc_likely instead __builtin_expect.

43 files changed, 125 insertions, 125 deletions

diff --git a/math/e_exp2l.c b/math/e_exp2l.c
index 0bea772..c0edfbe 100644
--- a/math/e_exp2l.c
+++ b/math/e_exp2l.c
@@ -23,7 +23,7 @@
 long double
 __ieee754_exp2l (long double x)
 {
-  if (__builtin_expect (isless (x, (long double) LDBL_MAX_EXP), 1))
+  if (__glibc_likely (isless (x, (long double) LDBL_MAX_EXP)))
     {
       if (__builtin_expect (isgreaterequal (x, (long double) (LDBL_MIN_EXP
 							      - LDBL_MANT_DIG
diff --git a/math/e_scalb.c b/math/e_scalb.c
index 487f441..bddedfa 100644
--- a/math/e_scalb.c
+++ b/math/e_scalb.c
@@ -40,9 +40,9 @@ invalid_fn (double x, double fn)
 double
 __ieee754_scalb (double x, double fn)
 {
-  if (__builtin_expect (__isnan (x), 0))
+  if (__glibc_unlikely (__isnan (x)))
     return x * fn;
-  if (__builtin_expect (!__finite (fn), 0))
+  if (__glibc_unlikely (!__finite (fn)))
     {
       if (__isnan (fn) || fn > 0.0)
 	return x * fn;
@@ -50,7 +50,7 @@ __ieee754_scalb (double x, double fn)
 	return x;
       return x / -fn;
     }
-  if (__builtin_expect ((double) (int) fn != fn, 0))
+  if (__glibc_unlikely ((double) (int) fn != fn))
     return invalid_fn (x, fn);
 
   return __scalbn (x, (int) fn);
diff --git a/math/e_scalbf.c b/math/e_scalbf.c
index 68e6c5f..319752c 100644
--- a/math/e_scalbf.c
+++ b/math/e_scalbf.c
@@ -40,9 +40,9 @@ invalid_fn (float x, float fn)
 float
 __ieee754_scalbf (float x, float fn)
 {
-  if (__builtin_expect (__isnanf (x), 0))
+  if (__glibc_unlikely (__isnanf (x)))
     return x * fn;
-  if (__builtin_expect (!__finitef (fn), 0))
+  if (__glibc_unlikely (!__finitef (fn)))
     {
       if (__isnanf (fn) || fn > 0.0f)
 	return x * fn;
@@ -50,7 +50,7 @@ __ieee754_scalbf (float x, float fn)
 	return x;
       return x / -fn;
     }
-  if (__builtin_expect ((float) (int) fn != fn, 0))
+  if (__glibc_unlikely ((float) (int) fn != fn))
     return invalid_fn (x, fn);
 
   return __scalbnf (x, (int) fn);
diff --git a/math/e_scalbl.c b/math/e_scalbl.c
index 256e7b1..5815a0d 100644
--- a/math/e_scalbl.c
+++ b/math/e_scalbl.c
@@ -40,9 +40,9 @@ invalid_fn (long double x, long double fn)
 long double
 __ieee754_scalbl (long double x, long double fn)
 {
-  if (__builtin_expect (__isnanl (x), 0))
+  if (__glibc_unlikely (__isnanl (x)))
     return x * fn;
-  if (__builtin_expect (!__finitel (fn), 0))
+  if (__glibc_unlikely (!__finitel (fn)))
     {
       if (__isnanl (fn) || fn > 0.0L)
 	return x * fn;
@@ -50,7 +50,7 @@ __ieee754_scalbl (long double x, long double fn)
 	return x;
       return x / -fn;
     }
-  if (__builtin_expect ((long double) (int) fn != fn, 0))
+  if (__glibc_unlikely ((long double) (int) fn != fn))
     return invalid_fn (x, fn);
 
   return __scalbnl (x, (int) fn);
diff --git a/math/s_catan.c b/math/s_catan.c
index 87cdd31..d6552d8 100644
--- a/math/s_catan.c
+++ b/math/s_catan.c
@@ -29,7 +29,7 @@ __catan (__complex__ double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls <= FP_INFINITE || icls <= FP_INFINITE, 0))
+  if (__glibc_unlikely (rcls <= FP_INFINITE || icls <= FP_INFINITE))
     {
       if (rcls == FP_INFINITE)
 	{
@@ -55,7 +55,7 @@ __catan (__complex__ double x)
 	  __imag__ res = __nan ("");
 	}
     }
-  else if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
+  else if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
     {
       res = x;
     }
diff --git a/math/s_catanf.c b/math/s_catanf.c
index 80a3474..41e419d 100644
--- a/math/s_catanf.c
+++ b/math/s_catanf.c
@@ -29,7 +29,7 @@ __catanf (__complex__ float x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls <= FP_INFINITE || icls <= FP_INFINITE, 0))
+  if (__glibc_unlikely (rcls <= FP_INFINITE || icls <= FP_INFINITE))
     {
       if (rcls == FP_INFINITE)
 	{
@@ -55,7 +55,7 @@ __catanf (__complex__ float x)
 	  __imag__ res = __nanf ("");
 	}
     }
-  else if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
+  else if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
     {
       res = x;
     }
diff --git a/math/s_catanh.c b/math/s_catanh.c
index 0c8b268..2ba1298 100644
--- a/math/s_catanh.c
+++ b/math/s_catanh.c
@@ -29,7 +29,7 @@ __catanh (__complex__ double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls <= FP_INFINITE || icls <= FP_INFINITE, 0))
+  if (__glibc_unlikely (rcls <= FP_INFINITE || icls <= FP_INFINITE))
     {
       if (icls == FP_INFINITE)
 	{
@@ -50,7 +50,7 @@ __catanh (__complex__ double x)
 	  __imag__ res = __nan ("");
 	}
     }
-  else if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
+  else if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
     {
       res = x;
     }
diff --git a/math/s_catanhf.c b/math/s_catanhf.c
index ebb7b82..0ee69a5 100644
--- a/math/s_catanhf.c
+++ b/math/s_catanhf.c
@@ -29,7 +29,7 @@ __catanhf (__complex__ float x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls <= FP_INFINITE || icls <= FP_INFINITE, 0))
+  if (__glibc_unlikely (rcls <= FP_INFINITE || icls <= FP_INFINITE))
     {
       if (icls == FP_INFINITE)
 	{
@@ -50,7 +50,7 @@ __catanhf (__complex__ float x)
 	  __imag__ res = __nanf ("");
 	}
     }
-  else if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
+  else if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
     {
       res = x;
     }
diff --git a/math/s_catanhl.c b/math/s_catanhl.c
index d45f1d1..537bb3e 100644
--- a/math/s_catanhl.c
+++ b/math/s_catanhl.c
@@ -36,7 +36,7 @@ __catanhl (__complex__ long double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls <= FP_INFINITE || icls <= FP_INFINITE, 0))
+  if (__glibc_unlikely (rcls <= FP_INFINITE || icls <= FP_INFINITE))
     {
       if (icls == FP_INFINITE)
 	{
@@ -57,7 +57,7 @@ __catanhl (__complex__ long double x)
 	  __imag__ res = __nanl ("");
 	}
     }
-  else if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
+  else if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
     {
       res = x;
     }
diff --git a/math/s_catanl.c b/math/s_catanl.c
index 32a4424..cea9282 100644
--- a/math/s_catanl.c
+++ b/math/s_catanl.c
@@ -36,7 +36,7 @@ __catanl (__complex__ long double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls <= FP_INFINITE || icls <= FP_INFINITE, 0))
+  if (__glibc_unlikely (rcls <= FP_INFINITE || icls <= FP_INFINITE))
     {
       if (rcls == FP_INFINITE)
 	{
@@ -62,7 +62,7 @@ __catanl (__complex__ long double x)
 	  __imag__ res = __nanl ("");
 	}
     }
-  else if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
+  else if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
     {
       res = x;
     }
diff --git a/math/s_ccosh.c b/math/s_ccosh.c
index 3ee40b1..a3b9327 100644
--- a/math/s_ccosh.c
+++ b/math/s_ccosh.c
@@ -30,16 +30,16 @@ __ccosh (__complex__ double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls >= FP_ZERO, 1))
+  if (__glibc_likely (rcls >= FP_ZERO))
     {
       /* Real part is finite.  */
-      if (__builtin_expect (icls >= FP_ZERO, 1))
+      if (__glibc_likely (icls >= FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  const int t = (int) ((DBL_MAX_EXP - 1) * M_LN2);
 	  double sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincos (__imag__ x, &sinix, &cosix);
 	    }
@@ -108,12 +108,12 @@ __ccosh (__complex__ double x)
   else if (rcls == FP_INFINITE)
     {
       /* Real part is infinite.  */
-      if (__builtin_expect (icls > FP_ZERO, 1))
+      if (__glibc_likely (icls > FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  double sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincos (__imag__ x, &sinix, &cosix);
 	    }
diff --git a/math/s_ccoshf.c b/math/s_ccoshf.c
index 4a9e94d..084fc6d 100644
--- a/math/s_ccoshf.c
+++ b/math/s_ccoshf.c
@@ -30,16 +30,16 @@ __ccoshf (__complex__ float x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls >= FP_ZERO, 1))
+  if (__glibc_likely (rcls >= FP_ZERO))
     {
       /* Real part is finite.  */
-      if (__builtin_expect (icls >= FP_ZERO, 1))
+      if (__glibc_likely (icls >= FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  const int t = (int) ((FLT_MAX_EXP - 1) * M_LN2);
 	  float sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincosf (__imag__ x, &sinix, &cosix);
 	    }
@@ -105,15 +105,15 @@ __ccoshf (__complex__ float x)
 	    feraiseexcept (FE_INVALID);
 	}
     }
-  else if (__builtin_expect (rcls == FP_INFINITE, 1))
+  else if (__glibc_likely (rcls == FP_INFINITE))
     {
       /* Real part is infinite.  */
-      if (__builtin_expect (icls > FP_ZERO, 1))
+      if (__glibc_likely (icls > FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  float sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincosf (__imag__ x, &sinix, &cosix);
 	    }
diff --git a/math/s_ccoshl.c b/math/s_ccoshl.c
index bb79aad..e958c49 100644
--- a/math/s_ccoshl.c
+++ b/math/s_ccoshl.c
@@ -30,16 +30,16 @@ __ccoshl (__complex__ long double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls >= FP_ZERO, 1))
+  if (__glibc_likely (rcls >= FP_ZERO))
     {
       /* Real part is finite.  */
-      if (__builtin_expect (icls >= FP_ZERO, 1))
+      if (__glibc_likely (icls >= FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  const int t = (int) ((LDBL_MAX_EXP - 1) * M_LN2l);
 	  long double sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincosl (__imag__ x, &sinix, &cosix);
 	    }
@@ -105,15 +105,15 @@ __ccoshl (__complex__ long double x)
 	    feraiseexcept (FE_INVALID);
 	}
     }
-  else if (__builtin_expect (rcls == FP_INFINITE, 1))
+  else if (__glibc_likely (rcls == FP_INFINITE))
     {
       /* Real part is infinite.  */
-      if (__builtin_expect (icls > FP_ZERO, 1))
+      if (__glibc_likely (icls > FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  long double sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincosl (__imag__ x, &sinix, &cosix);
 	    }
diff --git a/math/s_cexp.c b/math/s_cexp.c
index dcb3228..a636e35 100644
--- a/math/s_cexp.c
+++ b/math/s_cexp.c
@@ -30,16 +30,16 @@ __cexp (__complex__ double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls >= FP_ZERO, 1))
+  if (__glibc_likely (rcls >= FP_ZERO))
     {
       /* Real part is finite.  */
-      if (__builtin_expect (icls >= FP_ZERO, 1))
+      if (__glibc_likely (icls >= FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  const int t = (int) ((DBL_MAX_EXP - 1) * M_LN2);
 	  double sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincos (__imag__ x, &sinix, &cosix);
 	    }
@@ -97,10 +97,10 @@ __cexp (__complex__ double x)
 	  feraiseexcept (FE_INVALID);
 	}
     }
-  else if (__builtin_expect (rcls == FP_INFINITE, 1))
+  else if (__glibc_likely (rcls == FP_INFINITE))
     {
       /* Real part is infinite.  */
-      if (__builtin_expect (icls >= FP_ZERO, 1))
+      if (__glibc_likely (icls >= FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  double value = signbit (__real__ x) ? 0.0 : HUGE_VAL;
@@ -115,7 +115,7 @@ __cexp (__complex__ double x)
 	    {
 	      double sinix, cosix;
 
-	      if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	      if (__glibc_likely (icls != FP_SUBNORMAL))
 		{
 		  __sincos (__imag__ x, &sinix, &cosix);
 		}
diff --git a/math/s_cexpf.c b/math/s_cexpf.c
index 8bfc7e2..d0cdf79 100644
--- a/math/s_cexpf.c
+++ b/math/s_cexpf.c
@@ -30,16 +30,16 @@ __cexpf (__complex__ float x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls >= FP_ZERO, 1))
+  if (__glibc_likely (rcls >= FP_ZERO))
     {
       /* Real part is finite.  */
-      if (__builtin_expect (icls >= FP_ZERO, 1))
+      if (__glibc_likely (icls >= FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  const int t = (int) ((FLT_MAX_EXP - 1) * M_LN2);
 	  float sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincosf (__imag__ x, &sinix, &cosix);
 	    }
@@ -97,10 +97,10 @@ __cexpf (__complex__ float x)
 	  feraiseexcept (FE_INVALID);
 	}
     }
-  else if (__builtin_expect (rcls == FP_INFINITE, 1))
+  else if (__glibc_likely (rcls == FP_INFINITE))
     {
       /* Real part is infinite.  */
-      if (__builtin_expect (icls >= FP_ZERO, 1))
+      if (__glibc_likely (icls >= FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  float value = signbit (__real__ x) ? 0.0 : HUGE_VALF;
@@ -115,7 +115,7 @@ __cexpf (__complex__ float x)
 	    {
 	      float sinix, cosix;
 
-	      if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	      if (__glibc_likely (icls != FP_SUBNORMAL))
 		{
 		  __sincosf (__imag__ x, &sinix, &cosix);
 		}
diff --git a/math/s_cexpl.c b/math/s_cexpl.c
index bd5572d..3b64fd1 100644
--- a/math/s_cexpl.c
+++ b/math/s_cexpl.c
@@ -30,16 +30,16 @@ __cexpl (__complex__ long double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls >= FP_ZERO, 1))
+  if (__glibc_likely (rcls >= FP_ZERO))
     {
       /* Real part is finite.  */
-      if (__builtin_expect (icls >= FP_ZERO, 1))
+      if (__glibc_likely (icls >= FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  const int t = (int) ((LDBL_MAX_EXP - 1) * M_LN2l);
 	  long double sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincosl (__imag__ x, &sinix, &cosix);
 	    }
@@ -97,10 +97,10 @@ __cexpl (__complex__ long double x)
 	  feraiseexcept (FE_INVALID);
 	}
     }
-  else if (__builtin_expect (rcls == FP_INFINITE, 1))
+  else if (__glibc_likely (rcls == FP_INFINITE))
     {
       /* Real part is infinite.  */
-      if (__builtin_expect (icls >= FP_ZERO, 1))
+      if (__glibc_likely (icls >= FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  long double value = signbit (__real__ x) ? 0.0 : HUGE_VALL;
@@ -115,7 +115,7 @@ __cexpl (__complex__ long double x)
 	    {
 	      long double sinix, cosix;
 
-	      if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	      if (__glibc_likely (icls != FP_SUBNORMAL))
 	        {
 		  __sincosl (__imag__ x, &sinix, &cosix);
 	        }
diff --git a/math/s_clog.c b/math/s_clog.c
index e2b5846..8639868 100644
--- a/math/s_clog.c
+++ b/math/s_clog.c
@@ -29,7 +29,7 @@ __clog (__complex__ double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
+  if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
     {
       /* Real and imaginary part are 0.0.  */
       __imag__ result = signbit (__real__ x) ? M_PI : 0.0;
@@ -37,7 +37,7 @@ __clog (__complex__ double x)
       /* Yes, the following line raises an exception.  */
       __real__ result = -1.0 / fabs (__real__ x);
     }
-  else if (__builtin_expect (rcls != FP_NAN && icls != FP_NAN, 1))
+  else if (__glibc_likely (rcls != FP_NAN && icls != FP_NAN))
     {
       /* Neither real nor imaginary part is NaN.  */
       double absx = fabs (__real__ x), absy = fabs (__imag__ x);
diff --git a/math/s_clog10.c b/math/s_clog10.c
index 0274db3..417d561 100644
--- a/math/s_clog10.c
+++ b/math/s_clog10.c
@@ -32,7 +32,7 @@ __clog10 (__complex__ double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
+  if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
     {
       /* Real and imaginary part are 0.0.  */
       __imag__ result = signbit (__real__ x) ? M_PI : 0.0;
@@ -40,7 +40,7 @@ __clog10 (__complex__ double x)
       /* Yes, the following line raises an exception.  */
       __real__ result = -1.0 / fabs (__real__ x);
     }
-  else if (__builtin_expect (rcls != FP_NAN && icls != FP_NAN, 1))
+  else if (__glibc_likely (rcls != FP_NAN && icls != FP_NAN))
     {
       /* Neither real nor imaginary part is NaN.  */
       double absx = fabs (__real__ x), absy = fabs (__imag__ x);
diff --git a/math/s_clog10f.c b/math/s_clog10f.c
index dc676b2..a9120e0 100644
--- a/math/s_clog10f.c
+++ b/math/s_clog10f.c
@@ -32,7 +32,7 @@ __clog10f (__complex__ float x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
+  if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
     {
       /* Real and imaginary part are 0.0.  */
       __imag__ result = signbit (__real__ x) ? M_PI : 0.0;
@@ -40,7 +40,7 @@ __clog10f (__complex__ float x)
       /* Yes, the following line raises an exception.  */
       __real__ result = -1.0 / fabsf (__real__ x);
     }
-  else if (__builtin_expect (rcls != FP_NAN && icls != FP_NAN, 1))
+  else if (__glibc_likely (rcls != FP_NAN && icls != FP_NAN))
     {
       /* Neither real nor imaginary part is NaN.  */
       float absx = fabsf (__real__ x), absy = fabsf (__imag__ x);
diff --git a/math/s_clog10l.c b/math/s_clog10l.c
index f7c3ec4..ac33a8f 100644
--- a/math/s_clog10l.c
+++ b/math/s_clog10l.c
@@ -39,7 +39,7 @@ __clog10l (__complex__ long double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
+  if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
     {
       /* Real and imaginary part are 0.0.  */
       __imag__ result = signbit (__real__ x) ? M_PIl : 0.0;
@@ -47,7 +47,7 @@ __clog10l (__complex__ long double x)
       /* Yes, the following line raises an exception.  */
       __real__ result = -1.0 / fabsl (__real__ x);
     }
-  else if (__builtin_expect (rcls != FP_NAN && icls != FP_NAN, 1))
+  else if (__glibc_likely (rcls != FP_NAN && icls != FP_NAN))
     {
       /* Neither real nor imaginary part is NaN.  */
       long double absx = fabsl (__real__ x), absy = fabsl (__imag__ x);
diff --git a/math/s_clogf.c b/math/s_clogf.c
index 73c2928..79117df 100644
--- a/math/s_clogf.c
+++ b/math/s_clogf.c
@@ -29,7 +29,7 @@ __clogf (__complex__ float x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
+  if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
     {
       /* Real and imaginary part are 0.0.  */
       __imag__ result = signbit (__real__ x) ? M_PI : 0.0;
@@ -37,7 +37,7 @@ __clogf (__complex__ float x)
       /* Yes, the following line raises an exception.  */
       __real__ result = -1.0 / fabsf (__real__ x);
     }
-  else if (__builtin_expect (rcls != FP_NAN && icls != FP_NAN, 1))
+  else if (__glibc_likely (rcls != FP_NAN && icls != FP_NAN))
     {
       /* Neither real nor imaginary part is NaN.  */
       float absx = fabsf (__real__ x), absy = fabsf (__imag__ x);
diff --git a/math/s_clogl.c b/math/s_clogl.c
index ec2ff84..bdf82c1 100644
--- a/math/s_clogl.c
+++ b/math/s_clogl.c
@@ -36,7 +36,7 @@ __clogl (__complex__ long double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
+  if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
     {
       /* Real and imaginary part are 0.0.  */
       __imag__ result = signbit (__real__ x) ? M_PIl : 0.0;
@@ -44,7 +44,7 @@ __clogl (__complex__ long double x)
       /* Yes, the following line raises an exception.  */
       __real__ result = -1.0 / fabsl (__real__ x);
     }
-  else if (__builtin_expect (rcls != FP_NAN && icls != FP_NAN, 1))
+  else if (__glibc_likely (rcls != FP_NAN && icls != FP_NAN))
     {
       /* Neither real nor imaginary part is NaN.  */
       long double absx = fabsl (__real__ x), absy = fabsl (__imag__ x);
diff --git a/math/s_csin.c b/math/s_csin.c
index 48a4a90..b4c8a1b 100644
--- a/math/s_csin.c
+++ b/math/s_csin.c
@@ -33,16 +33,16 @@ __csin (__complex__ double x)
 
   __real__ x = fabs (__real__ x);
 
-  if (__builtin_expect (icls >= FP_ZERO, 1))
+  if (__glibc_likely (icls >= FP_ZERO))
     {
       /* Imaginary part is finite.  */
-      if (__builtin_expect (rcls >= FP_ZERO, 1))
+      if (__glibc_likely (rcls >= FP_ZERO))
 	{
 	  /* Real part is finite.  */
 	  const int t = (int) ((DBL_MAX_EXP - 1) * M_LN2);
 	  double sinix, cosix;
 
-	  if (__builtin_expect (rcls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (rcls != FP_SUBNORMAL))
 	    {
 	      __sincos (__real__ x, &sinix, &cosix);
 	    }
@@ -136,7 +136,7 @@ __csin (__complex__ double x)
 	  /* Real part is finite.  */
 	  double sinix, cosix;
 
-	  if (__builtin_expect (rcls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (rcls != FP_SUBNORMAL))
 	    {
 	      __sincos (__real__ x, &sinix, &cosix);
 	    }
diff --git a/math/s_csinf.c b/math/s_csinf.c
index 26c4bb0..1faefd1 100644
--- a/math/s_csinf.c
+++ b/math/s_csinf.c
@@ -33,16 +33,16 @@ __csinf (__complex__ float x)
 
   __real__ x = fabsf (__real__ x);
 
-  if (__builtin_expect (icls >= FP_ZERO, 1))
+  if (__glibc_likely (icls >= FP_ZERO))
     {
       /* Imaginary part is finite.  */
-      if (__builtin_expect (rcls >= FP_ZERO, 1))
+      if (__glibc_likely (rcls >= FP_ZERO))
 	{
 	  /* Real part is finite.  */
 	  const int t = (int) ((FLT_MAX_EXP - 1) * M_LN2);
 	  float sinix, cosix;
 
-	  if (__builtin_expect (rcls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (rcls != FP_SUBNORMAL))
 	    {
 	      __sincosf (__real__ x, &sinix, &cosix);
 	    }
@@ -136,7 +136,7 @@ __csinf (__complex__ float x)
 	  /* Real part is finite.  */
 	  float sinix, cosix;
 
-	  if (__builtin_expect (rcls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (rcls != FP_SUBNORMAL))
 	    {
 	      __sincosf (__real__ x, &sinix, &cosix);
 	    }
diff --git a/math/s_csinh.c b/math/s_csinh.c
index 3fc737b..428add6 100644
--- a/math/s_csinh.c
+++ b/math/s_csinh.c
@@ -33,16 +33,16 @@ __csinh (__complex__ double x)
 
   __real__ x = fabs (__real__ x);
 
-  if (__builtin_expect (rcls >= FP_ZERO, 1))
+  if (__glibc_likely (rcls >= FP_ZERO))
     {
       /* Real part is finite.  */
-      if (__builtin_expect (icls >= FP_ZERO, 1))
+      if (__glibc_likely (icls >= FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  const int t = (int) ((DBL_MAX_EXP - 1) * M_LN2);
 	  double sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincos (__imag__ x, &sinix, &cosix);
 	    }
@@ -125,12 +125,12 @@ __csinh (__complex__ double x)
   else if (rcls == FP_INFINITE)
     {
       /* Real part is infinite.  */
-      if (__builtin_expect (icls > FP_ZERO, 1))
+      if (__glibc_likely (icls > FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  double sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincos (__imag__ x, &sinix, &cosix);
 	    }
diff --git a/math/s_csinhf.c b/math/s_csinhf.c
index 081c759..d31f705 100644
--- a/math/s_csinhf.c
+++ b/math/s_csinhf.c
@@ -33,16 +33,16 @@ __csinhf (__complex__ float x)
 
   __real__ x = fabsf (__real__ x);
 
-  if (__builtin_expect (rcls >= FP_ZERO, 1))
+  if (__glibc_likely (rcls >= FP_ZERO))
     {
       /* Real part is finite.  */
-      if (__builtin_expect (icls >= FP_ZERO, 1))
+      if (__glibc_likely (icls >= FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  const int t = (int) ((FLT_MAX_EXP - 1) * M_LN2);
 	  float sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincosf (__imag__ x, &sinix, &cosix);
 	    }
@@ -122,15 +122,15 @@ __csinhf (__complex__ float x)
 	    }
 	}
     }
-  else if (__builtin_expect (rcls == FP_INFINITE, 1))
+  else if (__glibc_likely (rcls == FP_INFINITE))
     {
       /* Real part is infinite.  */
-      if (__builtin_expect (icls > FP_ZERO, 1))
+      if (__glibc_likely (icls > FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  float sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincosf (__imag__ x, &sinix, &cosix);
 	    }
diff --git a/math/s_csinhl.c b/math/s_csinhl.c
index 3c4ba0d..c6e58f1 100644
--- a/math/s_csinhl.c
+++ b/math/s_csinhl.c
@@ -33,16 +33,16 @@ __csinhl (__complex__ long double x)
 
   __real__ x = fabsl (__real__ x);
 
-  if (__builtin_expect (rcls >= FP_ZERO, 1))
+  if (__glibc_likely (rcls >= FP_ZERO))
     {
       /* Real part is finite.  */
-      if (__builtin_expect (icls >= FP_ZERO, 1))
+      if (__glibc_likely (icls >= FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  const int t = (int) ((LDBL_MAX_EXP - 1) * M_LN2l);
 	  long double sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincosl (__imag__ x, &sinix, &cosix);
 	    }
@@ -122,15 +122,15 @@ __csinhl (__complex__ long double x)
 	    }
 	}
     }
-  else if (__builtin_expect (rcls == FP_INFINITE, 1))
+  else if (__glibc_likely (rcls == FP_INFINITE))
     {
       /* Real part is infinite.  */
-      if (__builtin_expect (icls > FP_ZERO, 1))
+      if (__glibc_likely (icls > FP_ZERO))
 	{
 	  /* Imaginary part is finite.  */
 	  long double sinix, cosix;
 
-	  if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (icls != FP_SUBNORMAL))
 	    {
 	      __sincosl (__imag__ x, &sinix, &cosix);
 	    }
diff --git a/math/s_csinl.c b/math/s_csinl.c
index 5ae8969..a3316d3 100644
--- a/math/s_csinl.c
+++ b/math/s_csinl.c
@@ -33,16 +33,16 @@ __csinl (__complex__ long double x)
 
   __real__ x = fabsl (__real__ x);
 
-  if (__builtin_expect (icls >= FP_ZERO, 1))
+  if (__glibc_likely (icls >= FP_ZERO))
     {
       /* Imaginary part is finite.  */
-      if (__builtin_expect (rcls >= FP_ZERO, 1))
+      if (__glibc_likely (rcls >= FP_ZERO))
 	{
 	  /* Real part is finite.  */
 	  const int t = (int) ((LDBL_MAX_EXP - 1) * M_LN2l);
 	  long double sinix, cosix;
 
-	  if (__builtin_expect (rcls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (rcls != FP_SUBNORMAL))
 	    {
 	      __sincosl (__real__ x, &sinix, &cosix);
 	    }
@@ -136,7 +136,7 @@ __csinl (__complex__ long double x)
 	  /* Real part is finite.  */
 	  long double sinix, cosix;
 
-	  if (__builtin_expect (rcls != FP_SUBNORMAL, 1))
+	  if (__glibc_likely (rcls != FP_SUBNORMAL))
 	    {
 	      __sincosl (__real__ x, &sinix, &cosix);
 	    }
diff --git a/math/s_csqrt.c b/math/s_csqrt.c
index 2bbd2b8..a19bb34 100644
--- a/math/s_csqrt.c
+++ b/math/s_csqrt.c
@@ -30,7 +30,7 @@ __csqrt (__complex__ double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls <= FP_INFINITE || icls <= FP_INFINITE, 0))
+  if (__glibc_unlikely (rcls <= FP_INFINITE || icls <= FP_INFINITE))
     {
       if (icls == FP_INFINITE)
 	{
@@ -59,7 +59,7 @@ __csqrt (__complex__ double x)
     }
   else
     {
-      if (__builtin_expect (icls == FP_ZERO, 0))
+      if (__glibc_unlikely (icls == FP_ZERO))
 	{
 	  if (__real__ x < 0.0)
 	    {
@@ -73,7 +73,7 @@ __csqrt (__complex__ double x)
 	      __imag__ res = __copysign (0.0, __imag__ x);
 	    }
 	}
-      else if (__builtin_expect (rcls == FP_ZERO, 0))
+      else if (__glibc_unlikely (rcls == FP_ZERO))
 	{
 	  double r;
 	  if (fabs (__imag__ x) >= 2.0 * DBL_MIN)
diff --git a/math/s_csqrtf.c b/math/s_csqrtf.c
index b2a11de..1c22df8 100644
--- a/math/s_csqrtf.c
+++ b/math/s_csqrtf.c
@@ -30,7 +30,7 @@ __csqrtf (__complex__ float x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls <= FP_INFINITE || icls <= FP_INFINITE, 0))
+  if (__glibc_unlikely (rcls <= FP_INFINITE || icls <= FP_INFINITE))
     {
       if (icls == FP_INFINITE)
 	{
@@ -59,7 +59,7 @@ __csqrtf (__complex__ float x)
     }
   else
     {
-      if (__builtin_expect (icls == FP_ZERO, 0))
+      if (__glibc_unlikely (icls == FP_ZERO))
 	{
 	  if (__real__ x < 0.0)
 	    {
@@ -73,7 +73,7 @@ __csqrtf (__complex__ float x)
 	      __imag__ res = __copysignf (0.0, __imag__ x);
 	    }
 	}
-      else if (__builtin_expect (rcls == FP_ZERO, 0))
+      else if (__glibc_unlikely (rcls == FP_ZERO))
 	{
 	  float r;
 	  if (fabsf (__imag__ x) >= 2.0f * FLT_MIN)
diff --git a/math/s_csqrtl.c b/math/s_csqrtl.c
index a72bac1..2dab3db 100644
--- a/math/s_csqrtl.c
+++ b/math/s_csqrtl.c
@@ -30,7 +30,7 @@ __csqrtl (__complex__ long double x)
   int rcls = fpclassify (__real__ x);
   int icls = fpclassify (__imag__ x);
 
-  if (__builtin_expect (rcls <= FP_INFINITE || icls <= FP_INFINITE, 0))
+  if (__glibc_unlikely (rcls <= FP_INFINITE || icls <= FP_INFINITE))
     {
       if (icls == FP_INFINITE)
 	{
@@ -59,7 +59,7 @@ __csqrtl (__complex__ long double x)
     }
   else
     {
-      if (__builtin_expect (icls == FP_ZERO, 0))
+      if (__glibc_unlikely (icls == FP_ZERO))
 	{
 	  if (__real__ x < 0.0)
 	    {
@@ -73,7 +73,7 @@ __csqrtl (__complex__ long double x)
 	      __imag__ res = __copysignl (0.0, __imag__ x);
 	    }
 	}
-      else if (__builtin_expect (rcls == FP_ZERO, 0))
+      else if (__glibc_unlikely (rcls == FP_ZERO))
 	{
 	  long double r;
 	  if (fabsl (__imag__ x) >= 2.0L * LDBL_MIN)
diff --git a/math/s_ctan.c b/math/s_ctan.c
index 6fed4fe..407ff5a 100644
--- a/math/s_ctan.c
+++ b/math/s_ctan.c
@@ -28,7 +28,7 @@ __ctan (__complex__ double x)
 {
   __complex__ double res;
 
-  if (__builtin_expect (!isfinite (__real__ x) || !isfinite (__imag__ x), 0))
+  if (__glibc_unlikely (!isfinite (__real__ x) || !isfinite (__imag__ x)))
     {
       if (__isinf_ns (__imag__ x))
 	{
@@ -58,7 +58,7 @@ __ctan (__complex__ double x)
       /* tan(x+iy) = (sin(2x) + i*sinh(2y))/(cos(2x) + cosh(2y))
 	 = (sin(x)*cos(x) + i*sinh(y)*cosh(y)/(cos(x)^2 + sinh(y)^2). */
 
-      if (__builtin_expect (rcls != FP_SUBNORMAL, 1))
+      if (__glibc_likely (rcls != FP_SUBNORMAL))
 	{
 	  __sincos (__real__ x, &sinrx, &cosrx);
 	}
diff --git a/math/s_ctanf.c b/math/s_ctanf.c
index a2343dd..e6f345a 100644
--- a/math/s_ctanf.c
+++ b/math/s_ctanf.c
@@ -28,7 +28,7 @@ __ctanf (__complex__ float x)
 {
   __complex__ float res;
 
-  if (__builtin_expect (!isfinite (__real__ x) || !isfinite (__imag__ x), 0))
+  if (__glibc_unlikely (!isfinite (__real__ x) || !isfinite (__imag__ x)))
     {
       if (__isinf_nsf (__imag__ x))
 	{
@@ -57,7 +57,7 @@ __ctanf (__complex__ float x)
       /* tan(x+iy) = (sin(2x) + i*sinh(2y))/(cos(2x) + cosh(2y))
 	 = (sin(x)*cos(x) + i*sinh(y)*cosh(y)/(cos(x)^2 + sinh(y)^2). */
 
-      if (__builtin_expect (fpclassify(__real__ x) != FP_SUBNORMAL, 1))
+      if (__glibc_likely (fpclassify(__real__ x) != FP_SUBNORMAL))
 	{
 	  __sincosf (__real__ x, &sinrx, &cosrx);
 	}
diff --git a/math/s_ctanh.c b/math/s_ctanh.c
index 0ca35e0..be3e47e 100644
--- a/math/s_ctanh.c
+++ b/math/s_ctanh.c
@@ -28,7 +28,7 @@ __ctanh (__complex__ double x)
 {
   __complex__ double res;
 
-  if (__builtin_expect (!isfinite (__real__ x) || !isfinite (__imag__ x), 0))
+  if (__glibc_unlikely (!isfinite (__real__ x) || !isfinite (__imag__ x)))
     {
       if (__isinf_ns (__real__ x))
 	{
@@ -58,7 +58,7 @@ __ctanh (__complex__ double x)
       /* tanh(x+iy) = (sinh(2x) + i*sin(2y))/(cosh(2x) + cos(2y))
 	 = (sinh(x)*cosh(x) + i*sin(y)*cos(y))/(sinh(x)^2 + cos(y)^2).  */
 
-      if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+      if (__glibc_likely (icls != FP_SUBNORMAL))
 	{
 	  __sincos (__imag__ x, &sinix, &cosix);
 	}
diff --git a/math/s_ctanhf.c b/math/s_ctanhf.c
index 8938d70..39a335e 100644
--- a/math/s_ctanhf.c
+++ b/math/s_ctanhf.c
@@ -28,7 +28,7 @@ __ctanhf (__complex__ float x)
 {
   __complex__ float res;
 
-  if (__builtin_expect (!isfinite (__real__ x) || !isfinite (__imag__ x), 0))
+  if (__glibc_unlikely (!isfinite (__real__ x) || !isfinite (__imag__ x)))
     {
       if (__isinf_nsf (__real__ x))
 	{
@@ -57,7 +57,7 @@ __ctanhf (__complex__ float x)
       /* tanh(x+iy) = (sinh(2x) + i*sin(2y))/(cosh(2x) + cos(2y))
 	 = (sinh(x)*cosh(x) + i*sin(y)*cos(y))/(sinh(x)^2 + cos(y)^2).  */
 
-      if (__builtin_expect (fpclassify(__imag__ x) != FP_SUBNORMAL, 1))
+      if (__glibc_likely (fpclassify(__imag__ x) != FP_SUBNORMAL))
 	{
 	  __sincosf (__imag__ x, &sinix, &cosix);
 	}
diff --git a/math/s_ctanhl.c b/math/s_ctanhl.c
index 098e009..64e448b 100644
--- a/math/s_ctanhl.c
+++ b/math/s_ctanhl.c
@@ -28,7 +28,7 @@ __ctanhl (__complex__ long double x)
 {
   __complex__ long double res;
 
-  if (__builtin_expect (!isfinite (__real__ x) || !isfinite (__imag__ x), 0))
+  if (__glibc_unlikely (!isfinite (__real__ x) || !isfinite (__imag__ x)))
     {
       if (__isinf_nsl (__real__ x))
 	{
@@ -58,7 +58,7 @@ __ctanhl (__complex__ long double x)
       /* tanh(x+iy) = (sinh(2x) + i*sin(2y))/(cosh(2x) + cos(2y))
 	 = (sinh(x)*cosh(x) + i*sin(y)*cos(y))/(sinh(x)^2 + cos(y)^2).  */
 
-      if (__builtin_expect (icls != FP_SUBNORMAL, 1))
+      if (__glibc_likely (icls != FP_SUBNORMAL))
 	{
 	  __sincosl (__imag__ x, &sinix, &cosix);
 	}
diff --git a/math/s_ctanl.c b/math/s_ctanl.c
index 98fdac0..282febd 100644
--- a/math/s_ctanl.c
+++ b/math/s_ctanl.c
@@ -28,7 +28,7 @@ __ctanl (__complex__ long double x)
 {
   __complex__ long double res;
 
-  if (__builtin_expect (!isfinite (__real__ x) || !isfinite (__imag__ x), 0))
+  if (__glibc_unlikely (!isfinite (__real__ x) || !isfinite (__imag__ x)))
     {
       if (__isinf_nsl (__imag__ x))
 	{
@@ -58,7 +58,7 @@ __ctanl (__complex__ long double x)
       /* tan(x+iy) = (sin(2x) + i*sinh(2y))/(cos(2x) + cosh(2y))
 	 = (sin(x)*cos(x) + i*sinh(y)*cosh(y)/(cos(x)^2 + sinh(y)^2). */
 
-      if (__builtin_expect (rcls != FP_SUBNORMAL, 1))
+      if (__glibc_likely (rcls != FP_SUBNORMAL))
 	{
 	  __sincosl (__real__ x, &sinrx, &cosrx);
 	}
diff --git a/math/w_pow.c b/math/w_pow.c
index 713d7a8..26790b9 100644
--- a/math/w_pow.c
+++ b/math/w_pow.c
@@ -25,7 +25,7 @@ double
 __pow (double x, double y)
 {
   double z = __ieee754_pow (x, y);
-  if (__builtin_expect (!__finite (z), 0))
+  if (__glibc_unlikely (!__finite (z)))
     {
       if (_LIB_VERSION != _IEEE_)
 	{
diff --git a/math/w_powf.c b/math/w_powf.c
index 1ba22c0..fa9e007 100644
--- a/math/w_powf.c
+++ b/math/w_powf.c
@@ -25,7 +25,7 @@ float
 __powf (float x, float y)
 {
   float z = __ieee754_powf (x, y);
-  if (__builtin_expect (!__finitef (z), 0))
+  if (__glibc_unlikely (!__finitef (z)))
     {
       if (_LIB_VERSION != _IEEE_)
 	{
diff --git a/math/w_powl.c b/math/w_powl.c
index eba9202..7c8d9f8 100644
--- a/math/w_powl.c
+++ b/math/w_powl.c
@@ -25,7 +25,7 @@ long double
 __powl (long double x, long double y)
 {
   long double z = __ieee754_powl (x, y);
-  if (__builtin_expect (!__finitel (z), 0))
+  if (__glibc_unlikely (!__finitel (z)))
     {
       if (_LIB_VERSION != _IEEE_)
 	{
diff --git a/math/w_scalb.c b/math/w_scalb.c
index 21b0c79..dbfefaf 100644
--- a/math/w_scalb.c
+++ b/math/w_scalb.c
@@ -27,7 +27,7 @@ sysv_scalb (double x, double fn)
 {
   double z = __ieee754_scalb (x, fn);
 
-  if (__builtin_expect (__isinf (z), 0))
+  if (__glibc_unlikely (__isinf (z)))
     {
       if (__finite (x))
 	return __kernel_standard (x, fn, 32); /* scalb overflow */
diff --git a/math/w_scalbf.c b/math/w_scalbf.c
index c23e35b..244fd1e 100644
--- a/math/w_scalbf.c
+++ b/math/w_scalbf.c
@@ -27,7 +27,7 @@ sysv_scalbf (float x, float fn)
 {
   float z = __ieee754_scalbf (x, fn);
 
-  if (__builtin_expect (__isinff (z), 0))
+  if (__glibc_unlikely (__isinff (z)))
     {
       if (__finitef (x))
 	return __kernel_standard_f (x, fn, 132); /* scalb overflow */
diff --git a/math/w_scalbl.c b/math/w_scalbl.c
index 4252af3..cffaa67 100644
--- a/math/w_scalbl.c
+++ b/math/w_scalbl.c
@@ -27,7 +27,7 @@ sysv_scalbl (long double x, long double fn)
 {
   long double z = __ieee754_scalbl (x, fn);
 
-  if (__builtin_expect (__isinfl (z), 0))
+  if (__glibc_unlikely (__isinfl (z)))
     {
       if (__finitel (x))
 	return __kernel_standard_l (x, fn, 232); /* scalb overflow */