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.

2017-09-19  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.

diff --git a/sysdeps/i386/fpu/w_log2f.c b/sysdeps/i386/fpu/w_log2f.c
new file mode 100644 (file)
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 (file)
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 (file)
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 6c42f27843256d7e55ad7e0aa2493e7f400227ef..ef13b372cbd015af45f38b214e1f10af7b3cc273 100644 (file)
--- 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 b8d262441fee95df667906ab9c1f803ed92d7a75..ea847b57ec27e29d8d7d5694af92d7404145061d 100644 (file)
--- 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 644a18d05e1d9e7042df67e2dd96a696440a91e1..08d2c6d058056b4ebe827672a53f925e6764b6db 100644 (file)
--- 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 (file)
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 (file)
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 (file)
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 (file)
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 (file)
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 (file)
index 0000000..d133216
--- /dev/null
+++ b/sysdeps/m68k/m680x0/fpu/w_powf.c
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_powf.c>