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Use libm_alias_double for s390 [committed]

Message ID alpine.DEB.2.20.1711281718450.2161@digraph.polyomino.org.uk
State New
Headers show
Series Use libm_alias_double for s390 [committed] | expand

Commit Message

Joseph Myers Nov. 28, 2017, 5:19 p.m. UTC 
Continuing the preparation for additional _FloatN / _FloatNx function
aliases, this patch makes s390 libm function implementations use
libm_alias_double to define function aliases.  This allows
sysdeps/unix/sysv/linux/s390/fpu/s_fma.c to be removed, as
libm_alias_double handles symbol versioning for long double compat
symbols.

Tested with build-many-glibcs.py for s390-linux-gnu and
s390x-linux-gnu that installed stripped shared libraries are unchanged
by the patch.  Committed.

2017-11-28  Joseph Myers  <joseph@codesourcery.com>

	* sysdeps/s390/fpu/s_fma.c: Include <libm-alias-double.h>.
	[!__fma] (fma): Define using libm_alias_double.
	* sysdeps/unix/sysv/linux/s390/fpu/s_fma.c: Remove.
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Patch

diff --git a/sysdeps/s390/fpu/s_fma.c b/sysdeps/s390/fpu/s_fma.c
index fb7210b..3f37400 100644
--- a/sysdeps/s390/fpu/s_fma.c
+++ b/sysdeps/s390/fpu/s_fma.c
@@ -18,6 +18,7 @@ 
    <http://www.gnu.org/licenses/>.  */
 
 #include <math.h>
+#include <libm-alias-double.h>
 
 double
 __fma (double x, double y, double z)
@@ -27,10 +28,5 @@  __fma (double x, double y, double z)
   return r;
 }
 #ifndef __fma
-weak_alias (__fma, fma)
-#endif
-
-#ifdef NO_LONG_DOUBLE
-strong_alias (__fma, __fmal)
-weak_alias (__fmal, fmal)
+libm_alias_double (__fma, fma)
 #endif
diff --git a/sysdeps/unix/sysv/linux/s390/fpu/s_fma.c b/sysdeps/unix/sysv/linux/s390/fpu/s_fma.c
deleted file mode 100644
index 2b2d505..0000000
--- a/sysdeps/unix/sysv/linux/s390/fpu/s_fma.c
+++ /dev/null
@@ -1,5 +0,0 @@ 
-#include <math_ldbl_opt.h>
-#include <sysdeps/s390/fpu/s_fma.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
-compat_symbol (libm, __fma, fmal, GLIBC_2_1);
-#endif