Use fabs(f/l) rather than __fabs

A few math functions still use __fabs(f/l) rather than fabs, which
means they won't be inlined. Rename them so they are inlined.
Also add -fno-builtin-fabsl to nofpu powerpc makefile to work around
BZ #29253.

	* sysdeps/ieee754/dbl-64/e_lgamma_r.c
	(__ieee754_lgamma_r): Use fabs rather than __fabs.
	* sysdeps/ieee754/dbl-64/e_log10.c (__ieee754_log10): Likewise.
	* sysdeps/ieee754/dbl-64/e_log2.c (__ieee754_log2): Likewise.
	* sysdeps/ieee754/flt-32/e_lgammaf_r.c
	(__ieee754_lgammaf_r): Use fabsf rather than __fabsf.
	* sysdeps/ieee754/flt-32/e_log10f.c (__ieee754_log10f): Likewise.
	* sysdeps/ieee754/flt-32/e_log2f.c (__ieee754_log2f): Likewise.
	* sysdeps/ieee754/ldbl-128/e_lgammal_r.c
	(__ieee754_lgammal_r): Use fabsl rather than __fabsl.
	* sysdeps/ieee754/ldbl-128/e_log10l.c (__ieee754_log10l): Likewise.
	* sysdeps/ieee754/ldbl-128/e_log2l.c (__ieee754_log2l): Likewise.
	* sysdeps/ieee754/ldbl-128ibm/e_lgammal_r.c
	(__ieee754_lgammal_r): Use fabsl rather than __fabsl.
	* sysdeps/ieee754/ldbl-128ibm/e_log10l.c (__ieee754_log10l): Likewise.
	* sysdeps/ieee754/ldbl-128ibm/e_log2l.c (__ieee754_log2l): Likewise.
	* sysdeps/powerpc/nofpu/Makefile: Add -fno-builtin-fabsl for BZ #29253.

13 files changed, 34 insertions, 11 deletions

diff --git a/ChangeLog b/ChangeLog
index b8d2a3e00d..060f4cbcac 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,25 @@
 2017-09-29  Wilco Dijkstra  <wdijkstr@arm.com>
 
+	* sysdeps/ieee754/dbl-64/e_lgamma_r.c
+	(__ieee754_lgamma_r): Use fabs rather than __fabs.
+	* sysdeps/ieee754/dbl-64/e_log10.c (__ieee754_log10): Likewise.
+	* sysdeps/ieee754/dbl-64/e_log2.c (__ieee754_log2): Likewise.
+	* sysdeps/ieee754/flt-32/e_lgammaf_r.c
+	(__ieee754_lgammaf_r): Use fabsf rather than __fabsf.
+	* sysdeps/ieee754/flt-32/e_log10f.c (__ieee754_log10f): Likewise.
+	* sysdeps/ieee754/flt-32/e_log2f.c (__ieee754_log2f): Likewise.
+	* sysdeps/ieee754/ldbl-128/e_lgammal_r.c
+	(__ieee754_lgammal_r): Use fabsl rather than __fabsl.
+	* sysdeps/ieee754/ldbl-128/e_log10l.c (__ieee754_log10l): Likewise.
+	* sysdeps/ieee754/ldbl-128/e_log2l.c (__ieee754_log2l): Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_lgammal_r.c
+	(__ieee754_lgammal_r): Use fabsl rather than __fabsl.
+	* sysdeps/ieee754/ldbl-128ibm/e_log10l.c (__ieee754_log10l): Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_log2l.c (__ieee754_log2l): Likewise.
+	* sysdeps/powerpc/nofpu/Makefile: Add -fno-builtin-fabsl for BZ #29253.
+
+2017-09-29  Wilco Dijkstra  <wdijkstr@arm.com>
+
 	* math/bits/cmathcalls.h (cimag): Remove inline.
 	(creal): Remove inline.
 	(conj): Remove inline.
diff --git a/sysdeps/ieee754/dbl-64/e_lgamma_r.c b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
index b5860d8a24..93eda99662 100644
--- a/sysdeps/ieee754/dbl-64/e_lgamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
@@ -225,7 +225,7 @@ __ieee754_lgamma_r(double x, int *signgamp)
 	if(hx<0) {
 	    if(__builtin_expect(ix>=0x43300000, 0))
 		/* |x|>=2**52, must be -integer */
-		return __fabs (x)/zero;
+		return fabs (x)/zero;
 	    if (x < -2.0 && x > -28.0)
 		return __lgamma_neg (x, signgamp);
 	    t = sin_pi(x);
diff --git a/sysdeps/ieee754/dbl-64/e_log10.c b/sysdeps/ieee754/dbl-64/e_log10.c
index dfb7d056ca..677cbc4df8 100644
--- a/sysdeps/ieee754/dbl-64/e_log10.c
+++ b/sysdeps/ieee754/dbl-64/e_log10.c
@@ -65,7 +65,7 @@ __ieee754_log10 (double x)
   if (hx < 0x00100000)
     {                           /* x < 2**-1022  */
       if (__glibc_unlikely (((hx & 0x7fffffff) | lx) == 0))
-	return -two54 / __fabs (x);	/* log(+-0)=-inf  */
+	return -two54 / fabs (x);	/* log(+-0)=-inf  */
       if (__glibc_unlikely (hx < 0))
 	return (x - x) / (x - x);       /* log(-#) = NaN */
       k -= 54;
diff --git a/sysdeps/ieee754/dbl-64/e_log2.c b/sysdeps/ieee754/dbl-64/e_log2.c
index 2f3da129f8..e4a6aff9a3 100644
--- a/sysdeps/ieee754/dbl-64/e_log2.c
+++ b/sysdeps/ieee754/dbl-64/e_log2.c
@@ -83,7 +83,7 @@ __ieee754_log2 (double x)
   if (hx < 0x00100000)
     {                           /* x < 2**-1022  */
       if (__glibc_unlikely (((hx & 0x7fffffff) | lx) == 0))
-	return -two54 / __fabs (x);        /* log(+-0)=-inf */
+	return -two54 / fabs (x);        /* log(+-0)=-inf */
       if (__glibc_unlikely (hx < 0))
 	return (x - x) / (x - x);       /* log(-#) = NaN */
       k -= 54;
diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
index 1b30dcd84d..b0baad6e14 100644
--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
@@ -160,7 +160,7 @@ __ieee754_lgammaf_r(float x, int *signgamp)
 	}
 	if(hx<0) {
 	    if(ix>=0x4b000000)	/* |x|>=2**23, must be -integer */
-		return __fabsf (x)/zero;
+		return fabsf (x)/zero;
 	    if (ix > 0x40000000 /* X < 2.0f.  */
 		&& ix < 0x41700000 /* X > -15.0f.  */)
 		return __lgamma_negf (x, signgamp);
diff --git a/sysdeps/ieee754/flt-32/e_log10f.c b/sysdeps/ieee754/flt-32/e_log10f.c
index 86dd9b3d96..7f1ffdad77 100644
--- a/sysdeps/ieee754/flt-32/e_log10f.c
+++ b/sysdeps/ieee754/flt-32/e_log10f.c
@@ -34,7 +34,7 @@ __ieee754_log10f(float x)
 	k=0;
 	if (hx < 0x00800000) {			/* x < 2**-126  */
 	    if (__builtin_expect((hx&0x7fffffff)==0, 0))
-	      return -two25/__fabsf (x);	/* log(+-0)=-inf  */
+	      return -two25/fabsf (x);	/* log(+-0)=-inf  */
 	    if (__builtin_expect(hx<0, 0))
 		return (x-x)/(x-x);	/* log(-#) = NaN */
 	    k -= 25; x *= two25; /* subnormal number, scale up x */
diff --git a/sysdeps/ieee754/ldbl-128/e_lgammal_r.c b/sysdeps/ieee754/ldbl-128/e_lgammal_r.c
index a80c9eaf33..5c50e4616a 100644
--- a/sysdeps/ieee754/ldbl-128/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-128/e_lgammal_r.c
@@ -778,7 +778,7 @@ __ieee754_lgammal_r (_Float128 x, int *signgamp)
       q = -x;
       p = __floorl (q);
       if (p == q)
-	return (one / __fabsl (p - p));
+	return (one / fabsl (p - p));
       _Float128 halfp = p * L(0.5);
       if (halfp == __floorl (halfp))
 	*signgamp = -1;
diff --git a/sysdeps/ieee754/ldbl-128/e_log10l.c b/sysdeps/ieee754/ldbl-128/e_log10l.c
index c992f6e5ee..e8f33984f2 100644
--- a/sysdeps/ieee754/ldbl-128/e_log10l.c
+++ b/sysdeps/ieee754/ldbl-128/e_log10l.c
@@ -187,7 +187,7 @@ __ieee754_log10l (_Float128 x)
 /* Test for domain */
   GET_LDOUBLE_WORDS64 (hx, lx, x);
   if (((hx & 0x7fffffffffffffffLL) | lx) == 0)
-    return (-1 / __fabsl (x));		/* log10l(+-0)=-inf  */
+    return (-1 / fabsl (x));		/* log10l(+-0)=-inf  */
   if (hx < 0)
     return (x - x) / (x - x);
   if (hx >= 0x7fff000000000000LL)
diff --git a/sysdeps/ieee754/ldbl-128/e_log2l.c b/sysdeps/ieee754/ldbl-128/e_log2l.c
index cf4a380f16..06bf04f5e3 100644
--- a/sysdeps/ieee754/ldbl-128/e_log2l.c
+++ b/sysdeps/ieee754/ldbl-128/e_log2l.c
@@ -181,7 +181,7 @@ __ieee754_log2l (_Float128 x)
 /* Test for domain */
   GET_LDOUBLE_WORDS64 (hx, lx, x);
   if (((hx & 0x7fffffffffffffffLL) | lx) == 0)
-    return (-1 / __fabsl (x));		/* log2l(+-0)=-inf  */
+    return (-1 / fabsl (x));		/* log2l(+-0)=-inf  */
   if (hx < 0)
     return (x - x) / (x - x);
   if (hx >= 0x7fff000000000000LL)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_lgammal_r.c b/sysdeps/ieee754/ldbl-128ibm/e_lgammal_r.c
index f881b8c0a4..5b628bedc1 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_lgammal_r.c
@@ -728,7 +728,7 @@ __ieee754_lgammal_r (long double x, int *signgamp)
       q = -x;
       p = __floorl (q);
       if (p == q)
-	return (one / __fabsl (p - p));
+	return (one / fabsl (p - p));
       long double halfp = p * 0.5L;
       if (halfp == __floorl (halfp))
 	*signgamp = -1;
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_log10l.c b/sysdeps/ieee754/ldbl-128ibm/e_log10l.c
index 1fbfa48e13..62e3214ca4 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_log10l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_log10l.c
@@ -189,7 +189,7 @@ __ieee754_log10l (long double x)
   xhi = ldbl_high (x);
   EXTRACT_WORDS64 (hx, xhi);
   if ((hx & 0x7fffffffffffffffLL) == 0)
-    return (-1.0L / __fabsl (x));		/* log10l(+-0)=-inf  */
+    return (-1.0L / fabsl (x));		/* log10l(+-0)=-inf  */
   if (hx < 0)
     return (x - x) / (x - x);
   if (hx >= 0x7ff0000000000000LL)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_log2l.c b/sysdeps/ieee754/ldbl-128ibm/e_log2l.c
index c820dacf08..1f8b6e9d7f 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_log2l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_log2l.c
@@ -183,7 +183,7 @@ __ieee754_log2l (long double x)
   xhi = ldbl_high (x);
   EXTRACT_WORDS64 (hx, xhi);
   if ((hx & 0x7fffffffffffffffLL) == 0)
-    return (-1.0L / __fabsl (x));		/* log2l(+-0)=-inf  */
+    return (-1.0L / fabsl (x));		/* log2l(+-0)=-inf  */
   if (hx < 0)
     return (x - x) / (x - x);
   if (hx >= 0x7ff0000000000000LL)
diff --git a/sysdeps/powerpc/nofpu/Makefile b/sysdeps/powerpc/nofpu/Makefile
index 35517b63a1..ed163219be 100644
--- a/sysdeps/powerpc/nofpu/Makefile
+++ b/sysdeps/powerpc/nofpu/Makefile
@@ -29,4 +29,7 @@ CFLAGS-w_asinl_compat.c += -fno-builtin-fabsl
 CFLAGS-w_atanhl_compat.c += -fno-builtin-fabsl
 CFLAGS-w_j0l_compat.c += -fno-builtin-fabsl
 CFLAGS-w_j1l_compat.c += -fno-builtin-fabsl
+CFLAGS-e_lgammal_r.c += -fno-builtin-fabsl
+CFLAGS-e_log10l.c += -fno-builtin-fabsl
+CFLAGS-e_log2l.c += -fno-builtin-fabsl
 endif