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GNU C Library master sources branch master updated. glibc-2.26-490-gbd4430c

From: nsz at sourceware dot org
To: glibc-cvs at sourceware dot org
Date: 2 Oct 2017 13:40:11 -0000
Subject: GNU C Library master sources branch master updated. glibc-2.26-490-gbd4430c
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The branch, master has been updated
       via  bd4430c2a6d9d4deb49cab20ebe6aaf8a779ba0d (commit)
       via  f7a0b063e7fc81d0eff1e8b2b169876bdfb4cc44 (commit)
       via  72d3d281080be9f674982067d72874fd6cdb4b64 (commit)
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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=bd4430c2a6d9d4deb49cab20ebe6aaf8a779ba0d

commit bd4430c2a6d9d4deb49cab20ebe6aaf8a779ba0d
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date:   Wed Sep 13 18:14:26 2017 +0100

    Do not wrap logf, log2f and powf
    
    The new generic logf, log2f and powf code don't need wrappers any more,
    they set errno inline so only use the wrappers on targets that need it.
    
    	* sysdeps/ieee754/flt-32/e_log2f.c (__log2f): Define without wrapper.
    	* sysdeps/ieee754/flt-32/e_logf.c (__logf): Likewise
    	* sysdeps/ieee754/flt-32/e_powf.c (__powf): Likewise
    	* sysdeps/ieee754/flt-32/w_log2f.c: New file.
    	* sysdeps/ieee754/flt-32/w_logf.c: New file.
    	* sysdeps/ieee754/flt-32/w_powf.c: New file.
    	* sysdeps/i386/fpu/w_log2f.c: New file.
    	* sysdeps/i386/fpu/w_logf.c: New file.
    	* sysdeps/i386/fpu/w_powf.c: New file.
    	* sysdeps/m68k/m680x0/fpu/w_log2f.c: New file.
    	* sysdeps/m68k/m680x0/fpu/w_logf.c: New file.
    	* sysdeps/m68k/m680x0/fpu/w_powf.c: New file.

diff --git a/ChangeLog b/ChangeLog
index 25587d6..a60ba0a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,19 @@
 2017-10-02  Szabolcs Nagy  <szabolcs.nagy@arm.com>
+
+	* sysdeps/ieee754/flt-32/e_log2f.c (__log2f): Define without wrapper.
+	* sysdeps/ieee754/flt-32/e_logf.c (__logf): Likewise
+	* sysdeps/ieee754/flt-32/e_powf.c (__powf): Likewise
+	* sysdeps/ieee754/flt-32/w_log2f.c: New file.
+	* sysdeps/ieee754/flt-32/w_logf.c: New file.
+	* sysdeps/ieee754/flt-32/w_powf.c: New file.
+	* sysdeps/i386/fpu/w_log2f.c: New file.
+	* sysdeps/i386/fpu/w_logf.c: New file.
+	* sysdeps/i386/fpu/w_powf.c: New file.
+	* sysdeps/m68k/m680x0/fpu/w_log2f.c: New file.
+	* sysdeps/m68k/m680x0/fpu/w_logf.c: New file.
+	* sysdeps/m68k/m680x0/fpu/w_powf.c: New file.
+
+2017-10-02  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 	    H.J. Lu  <hongjiu.lu@intel.com>
 
 	* sysdeps/ieee754/flt-32/e_exp2f.c (__exp2f): Define without wrapper.
diff --git a/sysdeps/i386/fpu/w_log2f.c b/sysdeps/i386/fpu/w_log2f.c
new file mode 100644
index 0000000..3f5c71c
--- /dev/null
+++ b/sysdeps/i386/fpu/w_log2f.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_log2f.c>
diff --git a/sysdeps/i386/fpu/w_logf.c b/sysdeps/i386/fpu/w_logf.c
new file mode 100644
index 0000000..ea48d13
--- /dev/null
+++ b/sysdeps/i386/fpu/w_logf.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_logf.c>
diff --git a/sysdeps/i386/fpu/w_powf.c b/sysdeps/i386/fpu/w_powf.c
new file mode 100644
index 0000000..d133216
--- /dev/null
+++ b/sysdeps/i386/fpu/w_powf.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_powf.c>
diff --git a/sysdeps/ieee754/flt-32/e_log2f.c b/sysdeps/ieee754/flt-32/e_log2f.c
index 6c42f27..ef13b37 100644
--- a/sysdeps/ieee754/flt-32/e_log2f.c
+++ b/sysdeps/ieee754/flt-32/e_log2f.c
@@ -18,6 +18,7 @@
 
 #include <math.h>
 #include <stdint.h>
+#include <shlib-compat.h>
 #include "math_config.h"
 
 /*
@@ -34,7 +35,7 @@ Relative error: 1.9 * 2^-26 (before rounding.)
 #define OFF 0x3f330000
 
 float
-__ieee754_log2f (float x)
+__log2f (float x)
 {
   /* double_t for better performance on targets with FLT_EVAL_METHOD==2.  */
   double_t z, r, r2, p, y, y0, invc, logc;
@@ -85,4 +86,8 @@ __ieee754_log2f (float x)
   y = y * r2 + p;
   return (float) y;
 }
-strong_alias (__ieee754_log2f, __log2f_finite)
+#ifndef __log2f
+strong_alias (__log2f, __ieee754_log2f)
+strong_alias (__log2f, __log2f_finite)
+versioned_symbol (libm, __log2f, log2f, GLIBC_2_27);
+#endif
diff --git a/sysdeps/ieee754/flt-32/e_logf.c b/sysdeps/ieee754/flt-32/e_logf.c
index b8d2624..ea847b5 100644
--- a/sysdeps/ieee754/flt-32/e_logf.c
+++ b/sysdeps/ieee754/flt-32/e_logf.c
@@ -18,6 +18,7 @@
 
 #include <math.h>
 #include <stdint.h>
+#include <shlib-compat.h>
 #include "math_config.h"
 
 /*
@@ -35,7 +36,7 @@ Relative error: 1.957 * 2^-26 (before rounding.)
 #define OFF 0x3f330000
 
 float
-__ieee754_logf (float x)
+__logf (float x)
 {
   /* double_t for better performance on targets with FLT_EVAL_METHOD==2.  */
   double_t z, r, r2, y, y0, invc, logc;
@@ -84,4 +85,8 @@ __ieee754_logf (float x)
   y = y * r2 + (y0 + r);
   return (float) y;
 }
-strong_alias (__ieee754_logf, __logf_finite)
+#ifndef __logf
+strong_alias (__logf, __ieee754_logf)
+strong_alias (__logf, __logf_finite)
+versioned_symbol (libm, __logf, logf, GLIBC_2_27);
+#endif
diff --git a/sysdeps/ieee754/flt-32/e_powf.c b/sysdeps/ieee754/flt-32/e_powf.c
index 644a18d..08d2c6d 100644
--- a/sysdeps/ieee754/flt-32/e_powf.c
+++ b/sysdeps/ieee754/flt-32/e_powf.c
@@ -18,6 +18,7 @@
 
 #include <math.h>
 #include <stdint.h>
+#include <shlib-compat.h>
 #include "math_config.h"
 
 /*
@@ -139,7 +140,7 @@ zeroinfnan (uint32_t ix)
 }
 
 float
-__ieee754_powf (float x, float y)
+__powf (float x, float y)
 {
   unsigned long sign_bias = 0;
   uint32_t ix, iy;
@@ -214,4 +215,8 @@ __ieee754_powf (float x, float y)
     }
   return (float) exp2_inline (ylogx, sign_bias);
 }
-strong_alias (__ieee754_powf, __powf_finite)
+#ifndef __powf
+strong_alias (__powf, __ieee754_powf)
+strong_alias (__powf, __powf_finite)
+versioned_symbol (libm, __powf, powf, GLIBC_2_27);
+#endif
diff --git a/sysdeps/ieee754/flt-32/w_log2f.c b/sysdeps/ieee754/flt-32/w_log2f.c
new file mode 100644
index 0000000..1cc8931
--- /dev/null
+++ b/sysdeps/ieee754/flt-32/w_log2f.c
@@ -0,0 +1 @@
+/* Not needed.  */
diff --git a/sysdeps/ieee754/flt-32/w_logf.c b/sysdeps/ieee754/flt-32/w_logf.c
new file mode 100644
index 0000000..1cc8931
--- /dev/null
+++ b/sysdeps/ieee754/flt-32/w_logf.c
@@ -0,0 +1 @@
+/* Not needed.  */
diff --git a/sysdeps/ieee754/flt-32/w_powf.c b/sysdeps/ieee754/flt-32/w_powf.c
new file mode 100644
index 0000000..1cc8931
--- /dev/null
+++ b/sysdeps/ieee754/flt-32/w_powf.c
@@ -0,0 +1 @@
+/* Not needed.  */
diff --git a/sysdeps/m68k/m680x0/fpu/w_log2f.c b/sysdeps/m68k/m680x0/fpu/w_log2f.c
new file mode 100644
index 0000000..3f5c71c
--- /dev/null
+++ b/sysdeps/m68k/m680x0/fpu/w_log2f.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_log2f.c>
diff --git a/sysdeps/m68k/m680x0/fpu/w_logf.c b/sysdeps/m68k/m680x0/fpu/w_logf.c
new file mode 100644
index 0000000..ea48d13
--- /dev/null
+++ b/sysdeps/m68k/m680x0/fpu/w_logf.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_logf.c>
diff --git a/sysdeps/m68k/m680x0/fpu/w_powf.c b/sysdeps/m68k/m680x0/fpu/w_powf.c
new file mode 100644
index 0000000..d133216
--- /dev/null
+++ b/sysdeps/m68k/m680x0/fpu/w_powf.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_powf.c>

http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=f7a0b063e7fc81d0eff1e8b2b169876bdfb4cc44

commit f7a0b063e7fc81d0eff1e8b2b169876bdfb4cc44
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date:   Tue Sep 12 12:44:18 2017 +0100

    Do not wrap expf and exp2f
    
    The new generic expf and exp2f code don't need wrappers any more, they
    set errno inline, so only use the wrappers on targets that need it.
    (If the wrapper is needed, then the top level wrapper code is included,
    otherwise empty w_exp*f.c is used to suppress the wrapper.)
    
    A powerpc64 expf implementation includes the expf c code directly which
    needed some changes.
    
    	* sysdeps/ieee754/flt-32/e_exp2f.c (__exp2f): Define without wrapper.
    	* sysdeps/ieee754/flt-32/e_expf.c (__expf): Likewise
    	* sysdeps/ieee754/flt-32/w_exp2f.c: New file.
    	* sysdeps/ieee754/flt-32/w_expf.c: New file.
    	* sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c: Update for
    	the new expf code.
    	* sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c: New file.
    	* sysdeps/powerpc/powerpc64/power8/fpu/w_expf.c: New file.
    	* sysdeps/m68k/m680x0/fpu/w_exp2f.c: New file.
    	* sysdeps/m68k/m680x0/fpu/w_expf.c: New file.
    	* sysdeps/i386/fpu/w_exp2f.c: New file.
    	* sysdeps/i386/fpu/w_expf.c: New file.
    	* sysdeps/i386/i686/fpu/multiarch/w_expf.c: New file.
    	* sysdeps/x86_64/fpu/w_expf.c: New file.

diff --git a/ChangeLog b/ChangeLog
index 94e9972..25587d6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,22 @@
 2017-10-02  Szabolcs Nagy  <szabolcs.nagy@arm.com>
+	    H.J. Lu  <hongjiu.lu@intel.com>
+
+	* sysdeps/ieee754/flt-32/e_exp2f.c (__exp2f): Define without wrapper.
+	* sysdeps/ieee754/flt-32/e_expf.c (__expf): Likewise
+	* sysdeps/ieee754/flt-32/w_exp2f.c: New file.
+	* sysdeps/ieee754/flt-32/w_expf.c: New file.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c: Update for
+	the new expf code.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c: New file.
+	* sysdeps/powerpc/powerpc64/power8/fpu/w_expf.c: New file.
+	* sysdeps/m68k/m680x0/fpu/w_exp2f.c: New file.
+	* sysdeps/m68k/m680x0/fpu/w_expf.c: New file.
+	* sysdeps/i386/fpu/w_exp2f.c: New file.
+	* sysdeps/i386/fpu/w_expf.c: New file.
+	* sysdeps/i386/i686/fpu/multiarch/w_expf.c: New file.
+	* sysdeps/x86_64/fpu/w_expf.c: New file.
+
+2017-10-02  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 
 	* math/Versions (logf): New libm symbol at GLIBC_2.27.
 	(log2f): Likewise.
diff --git a/sysdeps/i386/fpu/w_exp2f.c b/sysdeps/i386/fpu/w_exp2f.c
new file mode 100644
index 0000000..583065d
--- /dev/null
+++ b/sysdeps/i386/fpu/w_exp2f.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_exp2f.c>
diff --git a/sysdeps/i386/fpu/w_expf.c b/sysdeps/i386/fpu/w_expf.c
new file mode 100644
index 0000000..b5fe164
--- /dev/null
+++ b/sysdeps/i386/fpu/w_expf.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_expf.c>
diff --git a/sysdeps/i386/i686/fpu/multiarch/w_expf.c b/sysdeps/i386/i686/fpu/multiarch/w_expf.c
new file mode 100644
index 0000000..b5fe164
--- /dev/null
+++ b/sysdeps/i386/i686/fpu/multiarch/w_expf.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_expf.c>
diff --git a/sysdeps/ieee754/flt-32/e_exp2f.c b/sysdeps/ieee754/flt-32/e_exp2f.c
index 72b7d88..31b660b 100644
--- a/sysdeps/ieee754/flt-32/e_exp2f.c
+++ b/sysdeps/ieee754/flt-32/e_exp2f.c
@@ -18,6 +18,7 @@
 
 #include <math.h>
 #include <stdint.h>
+#include <shlib-compat.h>
 #include "math_config.h"
 
 /*
@@ -42,7 +43,7 @@ top12 (float x)
 }
 
 float
-__ieee754_exp2f (float x)
+__exp2f (float x)
 {
   uint32_t abstop;
   uint64_t ki, t;
@@ -85,4 +86,8 @@ __ieee754_exp2f (float x)
   y = y * s;
   return (float) y;
 }
-strong_alias (__ieee754_exp2f, __exp2f_finite)
+#ifndef __exp2f
+strong_alias (__exp2f, __ieee754_exp2f)
+strong_alias (__exp2f, __exp2f_finite)
+versioned_symbol (libm, __exp2f, exp2f, GLIBC_2_27);
+#endif
diff --git a/sysdeps/ieee754/flt-32/e_expf.c b/sysdeps/ieee754/flt-32/e_expf.c
index 12239e1..74a383a 100644
--- a/sysdeps/ieee754/flt-32/e_expf.c
+++ b/sysdeps/ieee754/flt-32/e_expf.c
@@ -16,8 +16,14 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
+#ifdef __expf
+# undef libm_hidden_proto
+# define libm_hidden_proto(ignored)
+#endif
+
 #include <math.h>
 #include <stdint.h>
+#include <shlib-compat.h>
 #include "math_config.h"
 
 /*
@@ -42,7 +48,7 @@ top12 (float x)
 }
 
 float
-__ieee754_expf (float x)
+__expf (float x)
 {
   uint32_t abstop;
   uint64_t ki, t;
@@ -99,4 +105,10 @@ __ieee754_expf (float x)
   y = y * s;
   return (float) y;
 }
-strong_alias (__ieee754_expf, __expf_finite)
+
+#ifndef __expf
+hidden_def (__expf)
+strong_alias (__expf, __ieee754_expf)
+strong_alias (__expf, __expf_finite)
+versioned_symbol (libm, __expf, expf, GLIBC_2_27);
+#endif
diff --git a/sysdeps/ieee754/flt-32/w_exp2f.c b/sysdeps/ieee754/flt-32/w_exp2f.c
new file mode 100644
index 0000000..1cc8931
--- /dev/null
+++ b/sysdeps/ieee754/flt-32/w_exp2f.c
@@ -0,0 +1 @@
+/* Not needed.  */
diff --git a/sysdeps/ieee754/flt-32/w_expf.c b/sysdeps/ieee754/flt-32/w_expf.c
new file mode 100644
index 0000000..1cc8931
--- /dev/null
+++ b/sysdeps/ieee754/flt-32/w_expf.c
@@ -0,0 +1 @@
+/* Not needed.  */
diff --git a/sysdeps/m68k/m680x0/fpu/w_exp2f.c b/sysdeps/m68k/m680x0/fpu/w_exp2f.c
new file mode 100644
index 0000000..583065d
--- /dev/null
+++ b/sysdeps/m68k/m680x0/fpu/w_exp2f.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_exp2f.c>
diff --git a/sysdeps/m68k/m680x0/fpu/w_expf.c b/sysdeps/m68k/m680x0/fpu/w_expf.c
new file mode 100644
index 0000000..b5fe164
--- /dev/null
+++ b/sysdeps/m68k/m680x0/fpu/w_expf.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_expf.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c
index b236290..2cd9a5e 100644
--- a/sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c
@@ -16,9 +16,6 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#undef strong_alias
-#define strong_alias(a, b)
-
-#define __ieee754_expf __ieee754_expf_ppc64
+#define __expf __ieee754_expf_ppc64
 
 #include <sysdeps/ieee754/flt-32/e_expf.c>
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c
new file mode 100644
index 0000000..b5fe164
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_expf.c>
diff --git a/sysdeps/powerpc/powerpc64/power8/fpu/w_expf.c b/sysdeps/powerpc/powerpc64/power8/fpu/w_expf.c
new file mode 100644
index 0000000..b5fe164
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/power8/fpu/w_expf.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_expf.c>
diff --git a/sysdeps/x86_64/fpu/w_expf.c b/sysdeps/x86_64/fpu/w_expf.c
new file mode 100644
index 0000000..b5fe164
--- /dev/null
+++ b/sysdeps/x86_64/fpu/w_expf.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_expf.c>

http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=72d3d281080be9f674982067d72874fd6cdb4b64

commit 72d3d281080be9f674982067d72874fd6cdb4b64
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date:   Wed Sep 13 17:19:51 2017 +0100

    New symbol version for logf, log2f and powf without SVID compat
    
    This patch changes the logf, log2f and powf error handling semantics
    to only set errno accoring to POSIX rules. New symbol version is
    introduced at GLIBC_2.27.
    
    The old wrappers are kept for compat symbols.
    
    ia64 needed assembly change to have the new and compat versioned
    symbol map to the same function.
    
    All linux libm abilists are updated.
    
    	* math/Versions (logf): New libm symbol at GLIBC_2.27.
    	(log2f): Likewise.
    	(powf): Likewise.
    	* math/w_log2f.c: New file.
    	* math/w_logf.c: New file.
    	* math/w_powf.c: New file.
    	* math/w_log2f_compat.c (__log2f_compat): For compat symbol only.
    	* math/w_logf_compat.c (__logf_compat): Likewise.
    	* math/w_powf_compat.c (__powf_compat): Likewise.
    	* sysdeps/ia64/fpu/e_log2f.S: Add versioned symbols.
    	* sysdeps/ia64/fpu/e_logf.S: Likewise.
    	* sysdeps/ia64/fpu/e_powf.S: Likewise.
    	* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
    	* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
    	Likewise.
    	* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
    	Likewise.
    	* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
    	Likewise.
    	* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
    	Likewise.
    	* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
    	Likewise.
    	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
    	Likewise.
    	* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
    	* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.

diff --git a/ChangeLog b/ChangeLog
index b8bf523..94e9972 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,50 @@
+2017-10-02  Szabolcs Nagy  <szabolcs.nagy@arm.com>
+
+	* math/Versions (logf): New libm symbol at GLIBC_2.27.
+	(log2f): Likewise.
+	(powf): Likewise.
+	* math/w_log2f.c: New file.
+	* math/w_logf.c: New file.
+	* math/w_powf.c: New file.
+	* math/w_log2f_compat.c (__log2f_compat): For compat symbol only.
+	* math/w_logf_compat.c (__logf_compat): Likewise.
+	* math/w_powf_compat.c (__powf_compat): Likewise.
+	* sysdeps/ia64/fpu/e_log2f.S: Add versioned symbols.
+	* sysdeps/ia64/fpu/e_logf.S: Likewise.
+	* sysdeps/ia64/fpu/e_powf.S: Likewise.
+	* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
+	* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
+	Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
+	Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
+	Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
+	Likewise.
+	* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
+	Likewise.
+	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
+	Likewise.
+	* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
+
 2017-10-02  Rajalakshmi Srinivasaraghavan  <raji@linux.vnet.ibm.com>
 
 	* sysdeps/powerpc/powerpc64/multiarch/Makefile
diff --git a/math/Versions b/math/Versions
index 380f6a2..2fbdb2f 100644
--- a/math/Versions
+++ b/math/Versions
@@ -230,6 +230,6 @@ libm {
     fromfpx; fromfpxf; fromfpxl; ufromfpx; ufromfpxf; ufromfpxl;
   }
   GLIBC_2.27 {
-    expf; exp2f;
+    expf; exp2f; logf; log2f; powf;
   }
 }
diff --git a/math/w_log2f.c b/math/w_log2f.c
new file mode 100644
index 0000000..cda0c3a
--- /dev/null
+++ b/math/w_log2f.c
@@ -0,0 +1,7 @@
+#include <math-type-macros-float.h>
+#undef __USE_WRAPPER_TEMPLATE
+#define __USE_WRAPPER_TEMPLATE 1
+#undef declare_mgen_alias
+#define declare_mgen_alias(a, b)
+#include <w_log2_template.c>
+versioned_symbol (libm, __log2f, log2f, GLIBC_2_27);
diff --git a/math/w_log2f_compat.c b/math/w_log2f_compat.c
index 295c162..3caa310 100644
--- a/math/w_log2f_compat.c
+++ b/math/w_log2f_compat.c
@@ -23,10 +23,10 @@
 #include <libm-alias-float.h>
 
 
-#if LIBM_SVID_COMPAT
+#if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)
 /* wrapper log2f(x) */
 float
-__log2f (float x)
+__log2f_compat (float x)
 {
   if (__builtin_expect (islessequal (x, 0.0f), 0) && _LIB_VERSION != _IEEE_)
     {
@@ -44,5 +44,5 @@ __log2f (float x)
 
   return  __ieee754_log2f (x);
 }
-libm_alias_float (__log2, log2)
+compat_symbol (libm, __log2f_compat, log2f, GLIBC_2_1);
 #endif
diff --git a/math/w_logf.c b/math/w_logf.c
new file mode 100644
index 0000000..d960e01
--- /dev/null
+++ b/math/w_logf.c
@@ -0,0 +1,7 @@
+#include <math-type-macros-float.h>
+#undef __USE_WRAPPER_TEMPLATE
+#define __USE_WRAPPER_TEMPLATE 1
+#undef declare_mgen_alias
+#define declare_mgen_alias(a, b)
+#include <w_log_template.c>
+versioned_symbol (libm, __logf, logf, GLIBC_2_27);
diff --git a/math/w_logf_compat.c b/math/w_logf_compat.c
index 7cdacdf..936b3a6 100644
--- a/math/w_logf_compat.c
+++ b/math/w_logf_compat.c
@@ -23,10 +23,10 @@
 #include <libm-alias-float.h>
 
 
-#if LIBM_SVID_COMPAT
+#if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_27)
 /* wrapper logf(x) */
 float
-__logf (float x)
+__logf_compat (float x)
 {
   if (__builtin_expect (islessequal (x, 0.0f), 0) && _LIB_VERSION != _IEEE_)
     {
@@ -44,5 +44,5 @@ __logf (float x)
 
   return  __ieee754_logf (x);
 }
-libm_alias_float (__log, log)
+compat_symbol (libm, __logf_compat, logf, GLIBC_2_0);
 #endif
diff --git a/math/w_powf.c b/math/w_powf.c
new file mode 100644
index 0000000..a183483
--- /dev/null
+++ b/math/w_powf.c
@@ -0,0 +1,7 @@
+#include <math-type-macros-float.h>
+#undef __USE_WRAPPER_TEMPLATE
+#define __USE_WRAPPER_TEMPLATE 1
+#undef declare_mgen_alias
+#define declare_mgen_alias(a, b)
+#include <w_pow_template.c>
+versioned_symbol (libm, __powf, powf, GLIBC_2_27);
diff --git a/math/w_powf_compat.c b/math/w_powf_compat.c
index 39e818a..7745639 100644
--- a/math/w_powf_compat.c
+++ b/math/w_powf_compat.c
@@ -22,10 +22,10 @@
 #include <libm-alias-float.h>
 
 
-#if LIBM_SVID_COMPAT
+#if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_27)
 /* wrapper powf */
 float
-__powf (float x, float y)
+__powf_compat (float x, float y)
 {
   float z = __ieee754_powf (x, y);
   if (__glibc_unlikely (!isfinite (z)))
@@ -60,5 +60,5 @@ __powf (float x, float y)
 
   return z;
 }
-libm_alias_float (__pow, pow)
+compat_symbol (libm, __powf_compat, powf, GLIBC_2_0);
 #endif
diff --git a/sysdeps/ia64/fpu/e_log2f.S b/sysdeps/ia64/fpu/e_log2f.S
index 2c3f18f..9b754d1 100644
--- a/sysdeps/ia64/fpu/e_log2f.S
+++ b/sysdeps/ia64/fpu/e_log2f.S
@@ -252,7 +252,7 @@ LOCAL_OBJECT_END(T_table)
 
 
 .section .text
-GLOBAL_LIBM_ENTRY(log2f)
+GLOBAL_LIBM_ENTRY(__log2f)
 
 { .mfi
   alloc r32=ar.pfs,1,4,4,0
@@ -491,7 +491,13 @@ SPECIAL_log2f:
   br.ret.sptk b0;;
 }
 
-GLOBAL_LIBM_END(log2f)
+GLOBAL_LIBM_END(__log2f)
+#ifdef SHARED
+.symver __log2f,log2f@@GLIBC_2.27
+.weak __log2f_compat
+.set __log2f_compat,__log2f
+.symver __log2f_compat,log2f@GLIBC_2.2
+#endif
 
 
 LOCAL_LIBM_ENTRY(__libm_error_region)
diff --git a/sysdeps/ia64/fpu/e_logf.S b/sysdeps/ia64/fpu/e_logf.S
index 2dda218..d5f5437 100644
--- a/sysdeps/ia64/fpu/e_logf.S
+++ b/sysdeps/ia64/fpu/e_logf.S
@@ -1088,6 +1088,12 @@ logf_libm_err:
       nop.i         0
 };;
 GLOBAL_IEEE754_END(logf)
+#ifdef SHARED
+.symver logf,logf@@GLIBC_2.27
+.weak __logf_compat
+.set __logf_compat,__logf
+.symver __logf_compat,logf@GLIBC_2.2
+#endif
 
 
 // Stack operations when calling error support.
diff --git a/sysdeps/ia64/fpu/e_powf.S b/sysdeps/ia64/fpu/e_powf.S
index d61bc79..3883916 100644
--- a/sysdeps/ia64/fpu/e_powf.S
+++ b/sysdeps/ia64/fpu/e_powf.S
@@ -868,7 +868,7 @@ data8 0xEAC0C6E7DD24392F , 0x00003FFF
 LOCAL_OBJECT_END(pow_tbl2)
 
 .section .text
-GLOBAL_LIBM_ENTRY(powf)
+GLOBAL_LIBM_ENTRY(__powf)
 
 // Get exponent of x.  Will be used to calculate K.
 { .mfi
@@ -2002,7 +2002,13 @@ POW_OVER_UNDER_ERROR:
 }
 ;;
 
-GLOBAL_LIBM_END(powf)
+GLOBAL_LIBM_END(__powf)
+#ifdef SHARED
+.symver __powf,powf@@GLIBC_2.27
+.weak __powf_compat
+.set __powf_compat,__powf
+.symver __powf_compat,powf@GLIBC_2.2
+#endif
 
 
 LOCAL_LIBM_ENTRY(__libm_error_region)
diff --git a/sysdeps/unix/sysv/linux/aarch64/libm.abilist b/sysdeps/unix/sysv/linux/aarch64/libm.abilist
index 10102ee..3f0190a 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libm.abilist
@@ -463,3 +463,6 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
diff --git a/sysdeps/unix/sysv/linux/alpha/libm.abilist b/sysdeps/unix/sysv/linux/alpha/libm.abilist
index e09a115..78edc5e 100644
--- a/sysdeps/unix/sysv/linux/alpha/libm.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libm.abilist
@@ -473,6 +473,9 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.3.4 GLIBC_2.3.4 A
 GLIBC_2.3.4 __c1_cabsf F
 GLIBC_2.3.4 __c1_cacosf F
diff --git a/sysdeps/unix/sysv/linux/arm/libm.abilist b/sysdeps/unix/sysv/linux/arm/libm.abilist
index 8095876..b3fd4a2 100644
--- a/sysdeps/unix/sysv/linux/arm/libm.abilist
+++ b/sysdeps/unix/sysv/linux/arm/libm.abilist
@@ -120,6 +120,9 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
 GLIBC_2.4 _LIB_VERSION D 0x4
 GLIBC_2.4 __clog10 F
diff --git a/sysdeps/unix/sysv/linux/hppa/libm.abilist b/sysdeps/unix/sysv/linux/hppa/libm.abilist
index 19d40ef..ffa61bf 100644
--- a/sysdeps/unix/sysv/linux/hppa/libm.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libm.abilist
@@ -432,5 +432,8 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
 GLIBC_2.4 exp2l F
diff --git a/sysdeps/unix/sysv/linux/i386/libm.abilist b/sysdeps/unix/sysv/linux/i386/libm.abilist
index 791fba2..1a7e6bf 100644
--- a/sysdeps/unix/sysv/linux/i386/libm.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libm.abilist
@@ -614,4 +614,7 @@ GLIBC_2.26 ynf128 F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
diff --git a/sysdeps/unix/sysv/linux/ia64/libm.abilist b/sysdeps/unix/sysv/linux/ia64/libm.abilist
index 65a0fbe..7e15735 100644
--- a/sysdeps/unix/sysv/linux/ia64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/ia64/libm.abilist
@@ -543,4 +543,7 @@ GLIBC_2.26 ynf128 F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
index 8095876..b3fd4a2 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
@@ -120,6 +120,9 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
 GLIBC_2.4 _LIB_VERSION D 0x4
 GLIBC_2.4 __clog10 F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
index 5e692dd..aae6116 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
@@ -474,4 +474,7 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
diff --git a/sysdeps/unix/sysv/linux/microblaze/libm.abilist b/sysdeps/unix/sysv/linux/microblaze/libm.abilist
index 65f1d5b..0d3b4b1 100644
--- a/sysdeps/unix/sysv/linux/microblaze/libm.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/libm.abilist
@@ -431,3 +431,6 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
index c32ea5b..d32d58d 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
@@ -433,6 +433,9 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
 GLIBC_2.4 exp2l F
 _gp_disp _gp_disp A
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
index 18b2aa2..f33ba05 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
@@ -465,4 +465,7 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
diff --git a/sysdeps/unix/sysv/linux/nios2/libm.abilist b/sysdeps/unix/sysv/linux/nios2/libm.abilist
index e492a68..0fe34e9 100644
--- a/sysdeps/unix/sysv/linux/nios2/libm.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/libm.abilist
@@ -431,3 +431,6 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
index ad8f037..ed013de 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
@@ -476,6 +476,9 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
 GLIBC_2.4 __clog10l F
 GLIBC_2.4 __finitel F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
index 9c26b5b..6f2873d 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
@@ -475,6 +475,9 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
 GLIBC_2.4 __clog10l F
 GLIBC_2.4 __finitel F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist
index 8e36699..723be46 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist
@@ -608,3 +608,6 @@ GLIBC_2.26 ynf128 F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist
index 9ca0c3c..f3aeac2 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist
@@ -151,6 +151,9 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.3 GLIBC_2.3 A
 GLIBC_2.3 _LIB_VERSION D 0x4
 GLIBC_2.3 __clog10 F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
index 8a79f01..2b758e8 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
@@ -463,6 +463,9 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
 GLIBC_2.4 __clog10l F
 GLIBC_2.4 __finitel F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
index df81853..62c9bb5 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
@@ -461,6 +461,9 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
 GLIBC_2.4 __clog10l F
 GLIBC_2.4 __finitel F
diff --git a/sysdeps/unix/sysv/linux/sh/libm.abilist b/sysdeps/unix/sysv/linux/sh/libm.abilist
index 6b6a42d..a57fbc0 100644
--- a/sysdeps/unix/sysv/linux/sh/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sh/libm.abilist
@@ -432,5 +432,8 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
 GLIBC_2.4 exp2l F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
index 24d67d2..f8f10e5 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
@@ -467,6 +467,9 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
 GLIBC_2.4 __clog10l F
 GLIBC_2.4 __finitel F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
index 2fdccc0..b5412c9 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
@@ -464,4 +464,7 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist
index 98bc348..b711e87 100644
--- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist
@@ -432,3 +432,6 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist
index 98bc348..b711e87 100644
--- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist
@@ -432,3 +432,6 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
diff --git a/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist b/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist
index 98bc348..b711e87 100644
--- a/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist
+++ b/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist
@@ -432,3 +432,6 @@ GLIBC_2.25 ufromfpxl F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
index e6fd3fe..201c2ab 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
@@ -603,4 +603,7 @@ GLIBC_2.26 ynf128 F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F
 GLIBC_2.4 GLIBC_2.4 A
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
index afa7b98..10e389a 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
@@ -602,3 +602,6 @@ GLIBC_2.26 ynf128 F
 GLIBC_2.27 GLIBC_2.27 A
 GLIBC_2.27 exp2f F
 GLIBC_2.27 expf F
+GLIBC_2.27 log2f F
+GLIBC_2.27 logf F
+GLIBC_2.27 powf F

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                                          |   80 ++++++++++++++++++++
 math/Versions                                      |    2 +-
 math/w_log2f.c                                     |    7 ++
 math/w_log2f_compat.c                              |    6 +-
 math/w_logf.c                                      |    7 ++
 math/w_logf_compat.c                               |    6 +-
 math/w_powf.c                                      |    7 ++
 math/w_powf_compat.c                               |    6 +-
 sysdeps/i386/fpu/w_exp2f.c                         |    1 +
 sysdeps/i386/fpu/w_expf.c                          |    1 +
 sysdeps/i386/fpu/w_log2f.c                         |    1 +
 sysdeps/i386/fpu/w_logf.c                          |    1 +
 sysdeps/i386/fpu/w_powf.c                          |    1 +
 sysdeps/i386/i686/fpu/multiarch/w_expf.c           |    1 +
 sysdeps/ia64/fpu/e_log2f.S                         |   10 ++-
 sysdeps/ia64/fpu/e_logf.S                          |    6 ++
 sysdeps/ia64/fpu/e_powf.S                          |   10 ++-
 sysdeps/ieee754/flt-32/e_exp2f.c                   |    9 ++-
 sysdeps/ieee754/flt-32/e_expf.c                    |   16 ++++-
 sysdeps/ieee754/flt-32/e_log2f.c                   |    9 ++-
 sysdeps/ieee754/flt-32/e_logf.c                    |    9 ++-
 sysdeps/ieee754/flt-32/e_powf.c                    |    9 ++-
 sysdeps/{ia64/fpu => ieee754/flt-32}/w_exp2f.c     |    0
 sysdeps/{ia64/fpu => ieee754/flt-32}/w_expf.c      |    0
 sysdeps/{ia64/fpu => ieee754/flt-32}/w_log2f.c     |    0
 sysdeps/{ia64/fpu => ieee754/flt-32}/w_logf.c      |    0
 sysdeps/{ia64/fpu => ieee754/flt-32}/w_powf.c      |    0
 sysdeps/m68k/m680x0/fpu/w_exp2f.c                  |    1 +
 sysdeps/m68k/m680x0/fpu/w_expf.c                   |    1 +
 sysdeps/m68k/m680x0/fpu/w_log2f.c                  |    1 +
 sysdeps/m68k/m680x0/fpu/w_logf.c                   |    1 +
 sysdeps/m68k/m680x0/fpu/w_powf.c                   |    1 +
 .../powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c |    5 +-
 sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c   |    1 +
 sysdeps/powerpc/powerpc64/power8/fpu/w_expf.c      |    1 +
 sysdeps/unix/sysv/linux/aarch64/libm.abilist       |    3 +
 sysdeps/unix/sysv/linux/alpha/libm.abilist         |    3 +
 sysdeps/unix/sysv/linux/arm/libm.abilist           |    3 +
 sysdeps/unix/sysv/linux/hppa/libm.abilist          |    3 +
 sysdeps/unix/sysv/linux/i386/libm.abilist          |    3 +
 sysdeps/unix/sysv/linux/ia64/libm.abilist          |    3 +
 sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist |    3 +
 sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist   |    3 +
 sysdeps/unix/sysv/linux/microblaze/libm.abilist    |    3 +
 sysdeps/unix/sysv/linux/mips/mips32/libm.abilist   |    3 +
 sysdeps/unix/sysv/linux/mips/mips64/libm.abilist   |    3 +
 sysdeps/unix/sysv/linux/nios2/libm.abilist         |    3 +
 .../sysv/linux/powerpc/powerpc32/fpu/libm.abilist  |    3 +
 .../linux/powerpc/powerpc32/nofpu/libm.abilist     |    3 +
 .../sysv/linux/powerpc/powerpc64/libm-le.abilist   |    3 +
 .../unix/sysv/linux/powerpc/powerpc64/libm.abilist |    3 +
 sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist  |    3 +
 sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist  |    3 +
 sysdeps/unix/sysv/linux/sh/libm.abilist            |    3 +
 sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist |    3 +
 sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist |    3 +
 .../sysv/linux/tile/tilegx/tilegx32/libm.abilist   |    3 +
 .../sysv/linux/tile/tilegx/tilegx64/libm.abilist   |    3 +
 sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist  |    3 +
 sysdeps/unix/sysv/linux/x86_64/64/libm.abilist     |    3 +
 sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist    |    3 +
 sysdeps/x86_64/fpu/w_expf.c                        |    1 +
 62 files changed, 268 insertions(+), 28 deletions(-)
 create mode 100644 math/w_log2f.c
 create mode 100644 math/w_logf.c
 create mode 100644 math/w_powf.c
 create mode 100644 sysdeps/i386/fpu/w_exp2f.c
 create mode 100644 sysdeps/i386/fpu/w_expf.c
 create mode 100644 sysdeps/i386/fpu/w_log2f.c
 create mode 100644 sysdeps/i386/fpu/w_logf.c
 create mode 100644 sysdeps/i386/fpu/w_powf.c
 create mode 100644 sysdeps/i386/i686/fpu/multiarch/w_expf.c
 copy sysdeps/{ia64/fpu => ieee754/flt-32}/w_exp2f.c (100%)
 copy sysdeps/{ia64/fpu => ieee754/flt-32}/w_expf.c (100%)
 copy sysdeps/{ia64/fpu => ieee754/flt-32}/w_log2f.c (100%)
 copy sysdeps/{ia64/fpu => ieee754/flt-32}/w_logf.c (100%)
 copy sysdeps/{ia64/fpu => ieee754/flt-32}/w_powf.c (100%)
 create mode 100644 sysdeps/m68k/m680x0/fpu/w_exp2f.c
 create mode 100644 sysdeps/m68k/m680x0/fpu/w_expf.c
 create mode 100644 sysdeps/m68k/m680x0/fpu/w_log2f.c
 create mode 100644 sysdeps/m68k/m680x0/fpu/w_logf.c
 create mode 100644 sysdeps/m68k/m680x0/fpu/w_powf.c
 create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c
 create mode 100644 sysdeps/powerpc/powerpc64/power8/fpu/w_expf.c
 create mode 100644 sysdeps/x86_64/fpu/w_expf.c


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