Use glibc_likely instead __builtin_expect.

25 files changed, 74 insertions, 74 deletions

diff --git a/sysdeps/ieee754/dbl-64/e_atanh.c b/sysdeps/ieee754/dbl-64/e_atanh.c
index 21bb9908d1..0f96743390 100644
--- a/sysdeps/ieee754/dbl-64/e_atanh.c
+++ b/sysdeps/ieee754/dbl-64/e_atanh.c
@@ -48,7 +48,7 @@ __ieee754_atanh (double x)
   double t;
   if (isless (xa, 0.5))
     {
-      if (__builtin_expect (xa < 0x1.0p-28, 0))
+      if (__glibc_unlikely (xa < 0x1.0p-28))
 	{
 	  math_force_eval (huge + x);
 	  return x;
@@ -57,7 +57,7 @@ __ieee754_atanh (double x)
       t = xa + xa;
       t = 0.5 * __log1p (t + t * xa / (1.0 - xa));
     }
-  else if (__builtin_expect (isless (xa, 1.0), 1))
+  else if (__glibc_likely (isless (xa, 1.0)))
     t = 0.5 * __log1p ((xa + xa) / (1.0 - xa));
   else
     {
diff --git a/sysdeps/ieee754/dbl-64/e_exp2.c b/sysdeps/ieee754/dbl-64/e_exp2.c
index 10e23e2218..588fbfdee8 100644
--- a/sysdeps/ieee754/dbl-64/e_exp2.c
+++ b/sysdeps/ieee754/dbl-64/e_exp2.c
@@ -43,10 +43,10 @@ __ieee754_exp2 (double x)
   static const double lomark = (double) (DBL_MIN_EXP - DBL_MANT_DIG - 1);
 
   /* Check for usual case.  */
-  if (__builtin_expect (isless (x, himark), 1))
+  if (__glibc_likely (isless (x, himark)))
     {
       /* Exceptional cases:  */
-      if (__builtin_expect (!isgreaterequal (x, lomark), 0))
+      if (__glibc_unlikely (!isgreaterequal (x, lomark)))
 	{
 	  if (__isinf (x))
 	    /* e^-inf == 0, with no error.  */
diff --git a/sysdeps/ieee754/dbl-64/e_fmod.c b/sysdeps/ieee754/dbl-64/e_fmod.c
index c83c2aedb2..e82b302200 100644
--- a/sysdeps/ieee754/dbl-64/e_fmod.c
+++ b/sysdeps/ieee754/dbl-64/e_fmod.c
@@ -45,7 +45,7 @@ __ieee754_fmod (double x, double y)
     }
 
   /* determine ix = ilogb(x) */
-  if (__builtin_expect (hx < 0x00100000, 0))            /* subnormal x */
+  if (__glibc_unlikely (hx < 0x00100000))                  /* subnormal x */
     {
       if (hx == 0)
 	{
@@ -62,7 +62,7 @@ __ieee754_fmod (double x, double y)
     ix = (hx >> 20) - 1023;
 
   /* determine iy = ilogb(y) */
-  if (__builtin_expect (hy < 0x00100000, 0))            /* subnormal y */
+  if (__glibc_unlikely (hy < 0x00100000))                  /* subnormal y */
     {
       if (hy == 0)
 	{
@@ -79,7 +79,7 @@ __ieee754_fmod (double x, double y)
     iy = (hy >> 20) - 1023;
 
   /* set up {hx,lx}, {hy,ly} and align y to x */
-  if (__builtin_expect (ix >= -1022, 1))
+  if (__glibc_likely (ix >= -1022))
     hx = 0x00100000 | (0x000fffff & hx);
   else                  /* subnormal x, shift x to normal */
     {
@@ -95,7 +95,7 @@ __ieee754_fmod (double x, double y)
 	  lx = 0;
 	}
     }
-  if (__builtin_expect (iy >= -1022, 1))
+  if (__glibc_likely (iy >= -1022))
     hy = 0x00100000 | (0x000fffff & hy);
   else                  /* subnormal y, shift y to normal */
     {
@@ -144,7 +144,7 @@ __ieee754_fmod (double x, double y)
       hx = hx + hx + (lx >> 31); lx = lx + lx;
       iy -= 1;
     }
-  if (__builtin_expect (iy >= -1022, 1))        /* normalize output */
+  if (__glibc_likely (iy >= -1022))              /* normalize output */
     {
       hx = ((hx - 0x00100000) | ((iy + 1023) << 20));
       INSERT_WORDS (x, hx | sx, lx);
diff --git a/sysdeps/ieee754/dbl-64/e_gamma_r.c b/sysdeps/ieee754/dbl-64/e_gamma_r.c
index 1c427556bc..a35a9e5608 100644
--- a/sysdeps/ieee754/dbl-64/e_gamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_gamma_r.c
@@ -122,7 +122,7 @@ __ieee754_gamma_r (double x, int *signgamp)
 
   EXTRACT_WORDS (hx, lx, x);
 
-  if (__builtin_expect (((hx & 0x7fffffff) | lx) == 0, 0))
+  if (__glibc_unlikely (((hx & 0x7fffffff) | lx) == 0))
     {
       /* Return value for x == 0 is Inf with divide by zero exception.  */
       *signgamp = 0;
@@ -135,13 +135,13 @@ __ieee754_gamma_r (double x, int *signgamp)
       *signgamp = 0;
       return (x - x) / (x - x);
     }
-  if (__builtin_expect ((unsigned int) hx == 0xfff00000 && lx == 0, 0))
+  if (__glibc_unlikely ((unsigned int) hx == 0xfff00000 && lx == 0))
     {
       /* x == -Inf.  According to ISO this is NaN.  */
       *signgamp = 0;
       return x - x;
     }
-  if (__builtin_expect ((hx & 0x7ff00000) == 0x7ff00000, 0))
+  if (__glibc_unlikely ((hx & 0x7ff00000) == 0x7ff00000))
     {
       /* Positive infinity (return positive infinity) or NaN (return
 	 NaN).  */
diff --git a/sysdeps/ieee754/dbl-64/e_hypot.c b/sysdeps/ieee754/dbl-64/e_hypot.c
index 88242bc4f6..5cbfcbeb48 100644
--- a/sysdeps/ieee754/dbl-64/e_hypot.c
+++ b/sysdeps/ieee754/dbl-64/e_hypot.c
@@ -70,7 +70,7 @@ __ieee754_hypot (double x, double y)
       return a + b;
     }                                       /* x/y > 2**60 */
   k = 0;
-  if (__builtin_expect (ha > 0x5f300000, 0))            /* a>2**500 */
+  if (__glibc_unlikely (ha > 0x5f300000))                  /* a>2**500 */
     {
       if (ha >= 0x7ff00000)             /* Inf or NaN */
 	{
diff --git a/sysdeps/ieee754/dbl-64/e_j1.c b/sysdeps/ieee754/dbl-64/e_j1.c
index ab754c6ee0..bc7ca0609f 100644
--- a/sysdeps/ieee754/dbl-64/e_j1.c
+++ b/sysdeps/ieee754/dbl-64/e_j1.c
@@ -89,7 +89,7 @@ __ieee754_j1 (double x)
 
   GET_HIGH_WORD (hx, x);
   ix = hx & 0x7fffffff;
-  if (__builtin_expect (ix >= 0x7ff00000, 0))
+  if (__glibc_unlikely (ix >= 0x7ff00000))
     return one / x;
   y = fabs (x);
   if (ix >= 0x40000000)         /* |x| >= 2.0 */
@@ -121,7 +121,7 @@ __ieee754_j1 (double x)
       else
 	return z;
     }
-  if (__builtin_expect (ix < 0x3e400000, 0))            /* |x|<2**-27 */
+  if (__glibc_unlikely (ix < 0x3e400000))                  /* |x|<2**-27 */
     {
       if (huge + x > one)
 	return 0.5 * x;                 /* inexact if x!=0 necessary */
@@ -163,12 +163,12 @@ __ieee754_y1 (double x)
   EXTRACT_WORDS (hx, lx, x);
   ix = 0x7fffffff & hx;
   /* if Y1(NaN) is NaN, Y1(-inf) is NaN, Y1(inf) is 0 */
-  if (__builtin_expect (ix >= 0x7ff00000, 0))
+  if (__glibc_unlikely (ix >= 0x7ff00000))
     return one / (x + x * x);
-  if (__builtin_expect ((ix | lx) == 0, 0))
+  if (__glibc_unlikely ((ix | lx) == 0))
     return -HUGE_VAL + x;
   /* -inf and overflow exception.  */;
-  if (__builtin_expect (hx < 0, 0))
+  if (__glibc_unlikely (hx < 0))
     return zero / (zero * x);
   if (ix >= 0x40000000)         /* |x| >= 2.0 */
     {
@@ -203,7 +203,7 @@ __ieee754_y1 (double x)
 	}
       return z;
     }
-  if (__builtin_expect (ix <= 0x3c900000, 0))        /* x < 2**-54 */
+  if (__glibc_unlikely (ix <= 0x3c900000))              /* x < 2**-54 */
     {
       return (-tpi / x);
     }
diff --git a/sysdeps/ieee754/dbl-64/e_jn.c b/sysdeps/ieee754/dbl-64/e_jn.c
index f48e43a0d9..236878ba1d 100644
--- a/sysdeps/ieee754/dbl-64/e_jn.c
+++ b/sysdeps/ieee754/dbl-64/e_jn.c
@@ -60,7 +60,7 @@ __ieee754_jn (int n, double x)
   EXTRACT_WORDS (hx, lx, x);
   ix = 0x7fffffff & hx;
   /* if J(n,NaN) is NaN */
-  if (__builtin_expect ((ix | ((u_int32_t) (lx | -lx)) >> 31) > 0x7ff00000, 0))
+  if (__glibc_unlikely ((ix | ((u_int32_t) (lx | -lx)) >> 31) > 0x7ff00000))
     return x + x;
   if (n < 0)
     {
@@ -74,7 +74,7 @@ __ieee754_jn (int n, double x)
     return (__ieee754_j1 (x));
   sgn = (n & 1) & (hx >> 31);   /* even n -- 0, odd n -- sign(x) */
   x = fabs (x);
-  if (__builtin_expect ((ix | lx) == 0 || ix >= 0x7ff00000, 0))
+  if (__glibc_unlikely ((ix | lx) == 0 || ix >= 0x7ff00000))
     /* if x is 0 or inf */
     b = zero;
   else if ((double) n <= x)
@@ -253,12 +253,12 @@ __ieee754_yn (int n, double x)
   EXTRACT_WORDS (hx, lx, x);
   ix = 0x7fffffff & hx;
   /* if Y(n,NaN) is NaN */
-  if (__builtin_expect ((ix | ((u_int32_t) (lx | -lx)) >> 31) > 0x7ff00000, 0))
+  if (__glibc_unlikely ((ix | ((u_int32_t) (lx | -lx)) >> 31) > 0x7ff00000))
     return x + x;
-  if (__builtin_expect ((ix | lx) == 0, 0))
+  if (__glibc_unlikely ((ix | lx) == 0))
     return -HUGE_VAL + x;
   /* -inf and overflow exception.  */;
-  if (__builtin_expect (hx < 0, 0))
+  if (__glibc_unlikely (hx < 0))
     return zero / (zero * x);
   sign = 1;
   if (n < 0)
@@ -270,7 +270,7 @@ __ieee754_yn (int n, double x)
     return (__ieee754_y0 (x));
   if (n == 1)
     return (sign * __ieee754_y1 (x));
-  if (__builtin_expect (ix == 0x7ff00000, 0))
+  if (__glibc_unlikely (ix == 0x7ff00000))
     return zero;
   if (ix >= 0x52D00000)      /* x > 2**302 */
     { /* (x >> n**2)
diff --git a/sysdeps/ieee754/dbl-64/e_log.c b/sysdeps/ieee754/dbl-64/e_log.c
index 0b2889cb3b..05d318b786 100644
--- a/sysdeps/ieee754/dbl-64/e_log.c
+++ b/sysdeps/ieee754/dbl-64/e_log.c
@@ -77,23 +77,23 @@ __ieee754_log (double x)
   ux = num.i[HIGH_HALF];
   dx = num.i[LOW_HALF];
   n = 0;
-  if (__builtin_expect (ux < 0x00100000, 0))
+  if (__glibc_unlikely (ux < 0x00100000))
     {
-      if (__builtin_expect (((ux & 0x7fffffff) | dx) == 0, 0))
+      if (__glibc_unlikely (((ux & 0x7fffffff) | dx) == 0))
 	return MHALF / 0.0;     /* return -INF */
-      if (__builtin_expect (ux < 0, 0))
+      if (__glibc_unlikely (ux < 0))
 	return (x - x) / 0.0;   /* return NaN  */
       n -= 54;
       x *= two54.d;             /* scale x     */
       num.d = x;
     }
-  if (__builtin_expect (ux >= 0x7ff00000, 0))
+  if (__glibc_unlikely (ux >= 0x7ff00000))
     return x + x;               /* INF or NaN  */
 
   /* Regular values of x */
 
   w = x - 1;
-  if (__builtin_expect (ABS (w) > U03, 1))
+  if (__glibc_likely (ABS (w) > U03))
     goto case_03;
 
   /*--- Stage I, the case abs(x-1) < 0.03 */
diff --git a/sysdeps/ieee754/dbl-64/e_log10.c b/sysdeps/ieee754/dbl-64/e_log10.c
index c3d465a4a9..8548ee3942 100644
--- a/sysdeps/ieee754/dbl-64/e_log10.c
+++ b/sysdeps/ieee754/dbl-64/e_log10.c
@@ -63,15 +63,15 @@ __ieee754_log10 (double x)
   k = 0;
   if (hx < 0x00100000)
     {                           /* x < 2**-1022  */
-      if (__builtin_expect (((hx & 0x7fffffff) | lx) == 0, 0))
+      if (__glibc_unlikely (((hx & 0x7fffffff) | lx) == 0))
 	return -two54 / (x - x);        /* log(+-0)=-inf */
-      if (__builtin_expect (hx < 0, 0))
+      if (__glibc_unlikely (hx < 0))
 	return (x - x) / (x - x);       /* log(-#) = NaN */
       k -= 54;
       x *= two54;               /* subnormal number, scale up x */
       GET_HIGH_WORD (hx, x);
     }
-  if (__builtin_expect (hx >= 0x7ff00000, 0))
+  if (__glibc_unlikely (hx >= 0x7ff00000))
     return x + x;
   k += (hx >> 20) - 1023;
   i = ((u_int32_t) k & 0x80000000) >> 31;
diff --git a/sysdeps/ieee754/dbl-64/e_log2.c b/sysdeps/ieee754/dbl-64/e_log2.c
index 890a4a2bd0..997d7cefc8 100644
--- a/sysdeps/ieee754/dbl-64/e_log2.c
+++ b/sysdeps/ieee754/dbl-64/e_log2.c
@@ -81,15 +81,15 @@ __ieee754_log2 (double x)
   k = 0;
   if (hx < 0x00100000)
     {                           /* x < 2**-1022  */
-      if (__builtin_expect (((hx & 0x7fffffff) | lx) == 0, 0))
+      if (__glibc_unlikely (((hx & 0x7fffffff) | lx) == 0))
 	return -two54 / (x - x);        /* log(+-0)=-inf */
-      if (__builtin_expect (hx < 0, 0))
+      if (__glibc_unlikely (hx < 0))
 	return (x - x) / (x - x);       /* log(-#) = NaN */
       k -= 54;
       x *= two54;               /* subnormal number, scale up x */
       GET_HIGH_WORD (hx, x);
     }
-  if (__builtin_expect (hx >= 0x7ff00000, 0))
+  if (__glibc_unlikely (hx >= 0x7ff00000))
     return x + x;
   k += (hx >> 20) - 1023;
   hx &= 0x000fffff;
diff --git a/sysdeps/ieee754/dbl-64/e_sinh.c b/sysdeps/ieee754/dbl-64/e_sinh.c
index 851b510aaa..4ff28bf85d 100644
--- a/sysdeps/ieee754/dbl-64/e_sinh.c
+++ b/sysdeps/ieee754/dbl-64/e_sinh.c
@@ -49,7 +49,7 @@ __ieee754_sinh (double x)
   ix = jx & 0x7fffffff;
 
   /* x is INF or NaN */
-  if (__builtin_expect (ix >= 0x7ff00000, 0))
+  if (__glibc_unlikely (ix >= 0x7ff00000))
     return x + x;
 
   h = 0.5;
@@ -58,7 +58,7 @@ __ieee754_sinh (double x)
   /* |x| in [0,22], return sign(x)*0.5*(E+E/(E+1))) */
   if (ix < 0x40360000)                  /* |x|<22 */
     {
-      if (__builtin_expect (ix < 0x3e300000, 0))        /* |x|<2**-28 */
+      if (__glibc_unlikely (ix < 0x3e300000))              /* |x|<2**-28 */
 	if (shuge + x > one)
 	  return x;
       /* sinh(tiny) = tiny with inexact */
diff --git a/sysdeps/ieee754/dbl-64/s_asinh.c b/sysdeps/ieee754/dbl-64/s_asinh.c
index 5500746848..a33758d3c9 100644
--- a/sysdeps/ieee754/dbl-64/s_asinh.c
+++ b/sysdeps/ieee754/dbl-64/s_asinh.c
@@ -36,12 +36,12 @@ __asinh (double x)
   int32_t hx, ix;
   GET_HIGH_WORD (hx, x);
   ix = hx & 0x7fffffff;
-  if (__builtin_expect (ix < 0x3e300000, 0))            /* |x|<2**-28 */
+  if (__glibc_unlikely (ix < 0x3e300000))                  /* |x|<2**-28 */
     {
       if (huge + x > one)
 	return x;                       /* return x inexact except 0 */
     }
-  if (__builtin_expect (ix > 0x41b00000, 0))            /* |x| > 2**28 */
+  if (__glibc_unlikely (ix > 0x41b00000))                  /* |x| > 2**28 */
     {
       if (ix >= 0x7ff00000)
 	return x + x;                           /* x is inf or NaN */
diff --git a/sysdeps/ieee754/dbl-64/s_fma.c b/sysdeps/ieee754/dbl-64/s_fma.c
index cfaa22d184..389acd4cde 100644
--- a/sysdeps/ieee754/dbl-64/s_fma.c
+++ b/sysdeps/ieee754/dbl-64/s_fma.c
@@ -174,7 +174,7 @@ __fma (double x, double y, double z)
     }
 
   /* Ensure correct sign of exact 0 + 0.  */
-  if (__builtin_expect ((x == 0 || y == 0) && z == 0, 0))
+  if (__glibc_unlikely ((x == 0 || y == 0) && z == 0))
     return x * y + z;
 
   fenv_t env;
@@ -216,7 +216,7 @@ __fma (double x, double y, double z)
   /* Perform m2 + a2 addition with round to odd.  */
   u.d = a2 + m2;
 
-  if (__builtin_expect (adjust < 0, 0))
+  if (__glibc_unlikely (adjust < 0))
     {
       if ((u.ieee.mantissa1 & 1) == 0)
 	u.ieee.mantissa1 |= libc_fetestexcept (FE_INEXACT) != 0;
@@ -228,14 +228,14 @@ __fma (double x, double y, double z)
   /* Reset rounding mode and test for inexact simultaneously.  */
   int j = libc_feupdateenv_test (&env, FE_INEXACT) != 0;
 
-  if (__builtin_expect (adjust == 0, 1))
+  if (__glibc_likely (adjust == 0))
     {
       if ((u.ieee.mantissa1 & 1) == 0 && u.ieee.exponent != 0x7ff)
 	u.ieee.mantissa1 |= j;
       /* Result is a1 + u.d.  */
       return a1 + u.d;
     }
-  else if (__builtin_expect (adjust > 0, 1))
+  else if (__glibc_likely (adjust > 0))
     {
       if ((u.ieee.mantissa1 & 1) == 0 && u.ieee.exponent != 0x7ff)
 	u.ieee.mantissa1 |= j;
diff --git a/sysdeps/ieee754/dbl-64/s_log1p.c b/sysdeps/ieee754/dbl-64/s_log1p.c
index ea1dc6ca76..fd4dce5f23 100644
--- a/sysdeps/ieee754/dbl-64/s_log1p.c
+++ b/sysdeps/ieee754/dbl-64/s_log1p.c
@@ -107,14 +107,14 @@ __log1p (double x)
   k = 1;
   if (hx < 0x3FDA827A)                          /* x < 0.41422  */
     {
-      if (__builtin_expect (ax >= 0x3ff00000, 0))     /* x <= -1.0 */
+      if (__glibc_unlikely (ax >= 0x3ff00000))           /* x <= -1.0 */
 	{
 	  if (x == -1.0)
 	    return -two54 / (x - x);            /* log1p(-1)=+inf */
 	  else
 	    return (x - x) / (x - x);           /* log1p(x<-1)=NaN */
 	}
-      if (__builtin_expect (ax < 0x3e200000, 0))     /* |x| < 2**-29 */
+      if (__glibc_unlikely (ax < 0x3e200000))           /* |x| < 2**-29 */
 	{
 	  math_force_eval (two54 + x);          /* raise inexact */
 	  if (ax < 0x3c900000)                  /* |x| < 2**-54 */
@@ -127,7 +127,7 @@ __log1p (double x)
 	  k = 0; f = x; hu = 1;
 	}                       /* -0.2929<x<0.41422 */
     }
-  else if (__builtin_expect (hx >= 0x7ff00000, 0))
+  else if (__glibc_unlikely (hx >= 0x7ff00000))
     return x + x;
   if (k != 0)
     {
diff --git a/sysdeps/ieee754/dbl-64/s_logb.c b/sysdeps/ieee754/dbl-64/s_logb.c
index c065826dd2..7a6c49abf5 100644
--- a/sysdeps/ieee754/dbl-64/s_logb.c
+++ b/sysdeps/ieee754/dbl-64/s_logb.c
@@ -30,7 +30,7 @@ __logb (double x)
     return -1.0 / fabs (x);
   if (ix >= 0x7ff00000)
     return x * x;
-  if (__builtin_expect ((rix = ix >> 20) == 0, 0))
+  if (__glibc_unlikely ((rix = ix >> 20) == 0))
     {
       /* POSIX specifies that denormal number is treated as
          though it were normalized.  */
diff --git a/sysdeps/ieee754/dbl-64/s_modf.c b/sysdeps/ieee754/dbl-64/s_modf.c
index 1dce6381ae..0a1e13008f 100644
--- a/sysdeps/ieee754/dbl-64/s_modf.c
+++ b/sysdeps/ieee754/dbl-64/s_modf.c
@@ -54,7 +54,7 @@ __modf (double x, double *iptr)
 	    }
 	}
     }
-  else if (__builtin_expect (j0 > 51, 0))        /* no fraction part */
+  else if (__glibc_unlikely (j0 > 51))              /* no fraction part */
     {
       *iptr = x * one;
       /* We must handle NaNs separately.  */
diff --git a/sysdeps/ieee754/dbl-64/s_scalbln.c b/sysdeps/ieee754/dbl-64/s_scalbln.c
index 6402927d23..874b98e4cf 100644
--- a/sysdeps/ieee754/dbl-64/s_scalbln.c
+++ b/sysdeps/ieee754/dbl-64/s_scalbln.c
@@ -31,7 +31,7 @@ __scalbln (double x, long int n)
   int32_t k, hx, lx;
   EXTRACT_WORDS (hx, lx, x);
   k = (hx & 0x7ff00000) >> 20;                  /* extract exponent */
-  if (__builtin_expect (k == 0, 0))             /* 0 or subnormal x */
+  if (__glibc_unlikely (k == 0))                   /* 0 or subnormal x */
     {
       if ((lx | (hx & 0x7fffffff)) == 0)
 	return x;                                  /* +-0 */
@@ -39,16 +39,16 @@ __scalbln (double x, long int n)
       GET_HIGH_WORD (hx, x);
       k = ((hx & 0x7ff00000) >> 20) - 54;
     }
-  if (__builtin_expect (k == 0x7ff, 0))
+  if (__glibc_unlikely (k == 0x7ff))
     return x + x;                                       /* NaN or Inf */
-  if (__builtin_expect (n < -50000, 0))
+  if (__glibc_unlikely (n < -50000))
     return tiny * __copysign (tiny, x);   /*underflow*/
-  if (__builtin_expect (n > 50000 || k + n > 0x7fe, 0))
+  if (__glibc_unlikely (n > 50000 || k + n > 0x7fe))
     return huge * __copysign (huge, x);   /* overflow  */
   /* Now k and n are bounded we know that k = k+n does not
      overflow.  */
   k = k + n;
-  if (__builtin_expect (k > 0, 1))              /* normal result */
+  if (__glibc_likely (k > 0))                    /* normal result */
     {
       SET_HIGH_WORD (x, (hx & 0x800fffff) | (k << 20)); return x;
     }
diff --git a/sysdeps/ieee754/dbl-64/s_scalbn.c b/sysdeps/ieee754/dbl-64/s_scalbn.c
index 6e7d5ad217..0f58034df5 100644
--- a/sysdeps/ieee754/dbl-64/s_scalbn.c
+++ b/sysdeps/ieee754/dbl-64/s_scalbn.c
@@ -31,7 +31,7 @@ __scalbn (double x, int n)
   int32_t k, hx, lx;
   EXTRACT_WORDS (hx, lx, x);
   k = (hx & 0x7ff00000) >> 20;                  /* extract exponent */
-  if (__builtin_expect (k == 0, 0))             /* 0 or subnormal x */
+  if (__glibc_unlikely (k == 0))                   /* 0 or subnormal x */
     {
       if ((lx | (hx & 0x7fffffff)) == 0)
 	return x;                                  /* +-0 */
@@ -39,16 +39,16 @@ __scalbn (double x, int n)
       GET_HIGH_WORD (hx, x);
       k = ((hx & 0x7ff00000) >> 20) - 54;
     }
-  if (__builtin_expect (k == 0x7ff, 0))
+  if (__glibc_unlikely (k == 0x7ff))
     return x + x;                                       /* NaN or Inf */
-  if (__builtin_expect (n < -50000, 0))
+  if (__glibc_unlikely (n < -50000))
     return tiny * __copysign (tiny, x);   /*underflow*/
-  if (__builtin_expect (n > 50000 || k + n > 0x7fe, 0))
+  if (__glibc_unlikely (n > 50000 || k + n > 0x7fe))
     return huge * __copysign (huge, x);   /* overflow  */
   /* Now k and n are bounded we know that k = k+n does not
      overflow.  */
   k = k + n;
-  if (__builtin_expect (k > 0, 1))              /* normal result */
+  if (__glibc_likely (k > 0))                    /* normal result */
     {
       SET_HIGH_WORD (x, (hx & 0x800fffff) | (k << 20)); return x;
     }
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/e_acosh.c b/sysdeps/ieee754/dbl-64/wordsize-64/e_acosh.c
index 26268f2498..ccccdaf106 100644
--- a/sysdeps/ieee754/dbl-64/wordsize-64/e_acosh.c
+++ b/sysdeps/ieee754/dbl-64/wordsize-64/e_acosh.c
@@ -39,7 +39,7 @@ __ieee754_acosh (double x)
 
   if (hx > INT64_C (0x4000000000000000))
     {
-      if (__builtin_expect (hx >= INT64_C (0x41b0000000000000), 0))
+      if (__glibc_unlikely (hx >= INT64_C (0x41b0000000000000)))
 	{
 	  /* x > 2**28 */
 	  if (hx >= INT64_C (0x7ff0000000000000))
@@ -53,13 +53,13 @@ __ieee754_acosh (double x)
       double t = x * x;
       return __ieee754_log (2.0 * x - one / (x + __ieee754_sqrt (t - one)));
     }
-  else if (__builtin_expect (hx > INT64_C (0x3ff0000000000000), 1))
+  else if (__glibc_likely (hx > INT64_C (0x3ff0000000000000)))
     {
       /* 1<x<2 */
       double t = x - one;
       return __log1p (t + __ieee754_sqrt (2.0 * t + t * t));
     }
-  else if (__builtin_expect (hx == INT64_C (0x3ff0000000000000), 1))
+  else if (__glibc_likely (hx == INT64_C (0x3ff0000000000000)))
     return 0.0;				/* acosh(1) = 0 */
   else					/* x < 1 */
     return (x - x) / (x - x);
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c b/sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c
index dcb7b58a1b..4f5a81669e 100644
--- a/sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c
+++ b/sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c
@@ -64,16 +64,16 @@ __ieee754_log10 (double x)
   k = 0;
   if (hx < INT64_C(0x0010000000000000))
     {				/* x < 2**-1022  */
-      if (__builtin_expect ((hx & UINT64_C(0x7fffffffffffffff)) == 0, 0))
+      if (__glibc_unlikely ((hx & UINT64_C(0x7fffffffffffffff)) == 0))
 	return -two54 / (x - x);	/* log(+-0)=-inf */
-      if (__builtin_expect (hx < 0, 0))
+      if (__glibc_unlikely (hx < 0))
 	return (x - x) / (x - x);	/* log(-#) = NaN */
       k -= 54;
       x *= two54;		/* subnormal number, scale up x */
       EXTRACT_WORDS64 (hx, x);
     }
   /* scale up resulted in a NaN number  */
-  if (__builtin_expect (hx >= UINT64_C(0x7ff0000000000000), 0))
+  if (__glibc_unlikely (hx >= UINT64_C(0x7ff0000000000000)))
     return x + x;
   k += (hx >> 52) - 1023;
   i = ((uint64_t) k & UINT64_C(0x8000000000000000)) >> 63;
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c b/sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c
index 6dc7b7d217..5ccb78cf03 100644
--- a/sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c
+++ b/sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c
@@ -80,15 +80,15 @@ __ieee754_log2 (double x)
   k = 0;
   if (hx < INT64_C(0x0010000000000000))
     {				/* x < 2**-1022  */
-      if (__builtin_expect ((hx & UINT64_C(0x7fffffffffffffff)) == 0, 0))
+      if (__glibc_unlikely ((hx & UINT64_C(0x7fffffffffffffff)) == 0))
 	return -two54 / (x - x);	/* log(+-0)=-inf */
-      if (__builtin_expect (hx < 0, 0))
+      if (__glibc_unlikely (hx < 0))
 	return (x - x) / (x - x);	/* log(-#) = NaN */
       k -= 54;
       x *= two54;		/* subnormal number, scale up x */
       EXTRACT_WORDS64 (hx, x);
     }
-  if (__builtin_expect (hx >= UINT64_C(0x7ff0000000000000), 0))
+  if (__glibc_unlikely (hx >= UINT64_C(0x7ff0000000000000)))
     return x + x;
   k += (hx >> 52) - 1023;
   hx &= UINT64_C(0x000fffffffffffff);
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_frexp.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_frexp.c
index d03e33ee1f..f2d980d9e0 100644
--- a/sysdeps/ieee754/dbl-64/wordsize-64/s_frexp.c
+++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_frexp.c
@@ -39,11 +39,11 @@ __frexp (double x, int *eptr)
   int32_t ex = 0x7ff & (ix >> 52);
   int e = 0;
 
-  if (__builtin_expect (ex != 0x7ff && x != 0.0, 1))
+  if (__glibc_likely (ex != 0x7ff && x != 0.0))
     {
       /* Not zero and finite.  */
       e = ex - 1022;
-      if (__builtin_expect (ex == 0, 0))
+      if (__glibc_unlikely (ex == 0))
 	{
 	  /* Subnormal.  */
 	  x *= 0x1p54;
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c
index e51c849592..1970ce922e 100644
--- a/sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c
+++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_logb.c
@@ -34,7 +34,7 @@ __logb (double x)
   ex = ix >> 52;
   if (ex == 0x7ff)
     return x * x;
-  if (__builtin_expect (ex == 0, 0))
+  if (__glibc_unlikely (ex == 0))
     {
       int m = __builtin_clzll (ix);
       ex -= m - 12;
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_remquo.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_remquo.c
index b22503f5c7..06b9242a86 100644
--- a/sysdeps/ieee754/dbl-64/wordsize-64/s_remquo.c
+++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_remquo.c
@@ -40,7 +40,7 @@ __remquo (double x, double y, int *quo)
   hx &= UINT64_C(0x7fffffffffffffff);
 
   /* Purge off exception values.  */
-  if (__builtin_expect (hy == 0, 0))
+  if (__glibc_unlikely (hy == 0))
     return (x * y) / (x * y);			/* y = 0 */
   if (__builtin_expect (hx >= UINT64_C(0x7ff0000000000000) /* x not finite */
 			|| hy > UINT64_C(0x7ff0000000000000), 0))/* y is NaN */
@@ -49,7 +49,7 @@ __remquo (double x, double y, int *quo)
   if (hy <= UINT64_C(0x7fbfffffffffffff))
     x = __ieee754_fmod (x, 8 * y);		/* now x < 8y */
 
-  if (__builtin_expect (hx == hy, 0))
+  if (__glibc_unlikely (hx == hy))
     {
       *quo = qs ? -1 : 1;
       return zero * x;
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_round.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_round.c
index 684858c065..8b86b81b00 100644
--- a/sysdeps/ieee754/dbl-64/wordsize-64/s_round.c
+++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_round.c
@@ -32,7 +32,7 @@ __round (double x)
 
   EXTRACT_WORDS64 (i0, x);
   j0 = ((i0 >> 52) & 0x7ff) - 0x3ff;
-  if (__builtin_expect (j0 < 52, 1))
+  if (__glibc_likely (j0 < 52))
     {
       if (j0 < 0)
 	{