[Committed] ldbl-128ibm-compat: Provide a significand implementation

Message ID 20200228150832.14568-2-murphyp@linux.vnet.ibm.com
State Committed
Headers

Commit Message

Paul E. Murphy Feb. 28, 2020, 3:08 p.m. UTC
  From: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>

Reuse the template in order to provide the global symbol
__significandieee128.
---
 sysdeps/ieee754/ldbl-128ibm-compat/Versions   |  1 +
 .../ldbl-128ibm-compat/s_significandf128.c    | 25 +++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 sysdeps/ieee754/ldbl-128ibm-compat/s_significandf128.c
  

Patch

diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/Versions b/sysdeps/ieee754/ldbl-128ibm-compat/Versions
index 46ff4446f2..7224e1ddc7 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/Versions
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/Versions
@@ -103,6 +103,7 @@  libm {
     __scalbnieee128;
     __setpayloadieee128;
     __setpayloadsigieee128;
+    __significandieee128;
     __sincosieee128;
     __sinhieee128;
     __sinieee128;
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/s_significandf128.c b/sysdeps/ieee754/ldbl-128ibm-compat/s_significandf128.c
new file mode 100644
index 0000000000..57fbec6c50
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/s_significandf128.c
@@ -0,0 +1,25 @@ 
+/* Get mantissa of long double.
+   Copyright (C) 2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <float128_private.h>
+#include <math-type-macros-float128.h>
+
+#define __significandf128 __significandieee128
+#undef declare_mgen_alias
+#define declare_mgen_alias(...)
+#include <math/s_significand_template.c>