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authorpaolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>2010-02-22 22:54:49 +0000
committerpaolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>2010-02-22 22:54:49 +0000
commit9fd86bdfec9091d8286b817379ca3e46efe98806 (patch)
tree202225fd61afbf03bfc857ac7b7be1ca34214e35 /libstdc++-v3
parente759020a241c1fcd30759e4e50156104fb166abf (diff)
downloadgcc-9fd86bdfec9091d8286b817379ca3e46efe98806.tar.gz
2010-02-22 Paolo Carlini <paolo.carlini@oracle.com>
* src/hash-aux.cc: Rename to... * src/hash-string-aux.cc: ... this. * src/hash-long-double-aux.cc: New. * src/hash_c++0x.cc: Adjust. * src/hash_tr1.cc: Likewise. * src/compatibility-c++0x.cc: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@156981 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3')
-rw-r--r--libstdc++-v3/ChangeLog9
-rw-r--r--libstdc++-v3/src/compatibility-c++0x.cc2
-rw-r--r--libstdc++-v3/src/hash-long-double-aux.cc50
-rw-r--r--libstdc++-v3/src/hash-string-aux.cc (renamed from libstdc++-v3/src/hash-aux.cc)2
-rw-r--r--libstdc++-v3/src/hash_c++0x.cc26
-rw-r--r--libstdc++-v3/src/hash_tr1.cc30
6 files changed, 64 insertions, 55 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 15f1ff8d7aa..c32971f1ff4 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,12 @@
+2010-02-22 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * src/hash-aux.cc: Rename to...
+ * src/hash-string-aux.cc: ... this.
+ * src/hash-long-double-aux.cc: New.
+ * src/hash_c++0x.cc: Adjust.
+ * src/hash_tr1.cc: Likewise.
+ * src/compatibility-c++0x.cc: Likewise.
+
2010-02-22 Benjamin Kosnik <bkoz@redhat.com>
* doc/xml/class.txml: Adjust biblio markup.
diff --git a/libstdc++-v3/src/compatibility-c++0x.cc b/libstdc++-v3/src/compatibility-c++0x.cc
index 75df7497a40..abdc72c0832 100644
--- a/libstdc++-v3/src/compatibility-c++0x.cc
+++ b/libstdc++-v3/src/compatibility-c++0x.cc
@@ -50,7 +50,7 @@ namespace std
// We need these due to the symbols exported since GLIBCXX_3.4.10.
// See libstdc++/41662 for details.
-#include "hash-aux.cc"
+#include "hash-string-aux.cc"
template<>
size_t
diff --git a/libstdc++-v3/src/hash-long-double-aux.cc b/libstdc++-v3/src/hash-long-double-aux.cc
new file mode 100644
index 00000000000..5b8bbfdd49d
--- /dev/null
+++ b/libstdc++-v3/src/hash-long-double-aux.cc
@@ -0,0 +1,50 @@
+// std::hash and std::tr1::hash definitions, long double bits -*- C++ -*-
+
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This 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 General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+ // For long double, careful with random padding bits (e.g., on x86,
+ // 10 bytes -> 12 bytes) and resort to frexp.
+ template<>
+ size_t
+ hash<long double>::operator()(long double __val) const
+ {
+ size_t __result = 0;
+
+ int __exponent;
+ __val = __builtin_frexpl(__val, &__exponent);
+ __val = __val < 0.0l ? -(__val + 0.5l) : __val;
+
+ const long double __mult = __SIZE_MAX__ + 1.0l;
+ __val *= __mult;
+
+ // Try to use all the bits of the mantissa (really necessary only
+ // on 32-bit targets, at least for 80-bit floating point formats).
+ const size_t __hibits = (size_t)__val;
+ __val = (__val - (long double)__hibits) * __mult;
+
+ const size_t __coeff = __SIZE_MAX__ / __LDBL_MAX_EXP__;
+
+ __result = __hibits + (size_t)__val + __coeff * __exponent;
+
+ return __result;
+ }
diff --git a/libstdc++-v3/src/hash-aux.cc b/libstdc++-v3/src/hash-string-aux.cc
index e3f15d78ee3..1da015c1fd5 100644
--- a/libstdc++-v3/src/hash-aux.cc
+++ b/libstdc++-v3/src/hash-string-aux.cc
@@ -1,4 +1,4 @@
-// std::hash and std::tr1::hash definitions -*- C++ -*-
+// std::hash and std::tr1::hash definitions, string bits -*- C++ -*-
// Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/src/hash_c++0x.cc b/libstdc++-v3/src/hash_c++0x.cc
index df97dff219f..ba007f84b54 100644
--- a/libstdc++-v3/src/hash_c++0x.cc
+++ b/libstdc++-v3/src/hash_c++0x.cc
@@ -30,29 +30,5 @@
namespace std
{
- /// std::hash specialization for long double.
- template<>
- size_t
- hash<long double>::operator()(long double __val) const
- {
- size_t __result = 0;
-
- int __exponent;
- __val = __builtin_frexpl(__val, &__exponent);
- __val = __val < 0.0l ? -(__val + 0.5l) : __val;
-
- const long double __mult = __SIZE_MAX__ + 1.0l;
- __val *= __mult;
-
- // Try to use all the bits of the mantissa (really necessary only
- // on 32-bit targets, at least for 80-bit floating point formats).
- const size_t __hibits = (size_t)__val;
- __val = (__val - (long double)__hibits) * __mult;
-
- const size_t __coeff = __SIZE_MAX__ / __LDBL_MAX_EXP__;
-
- __result = __hibits + (size_t)__val + __coeff * __exponent;
-
- return __result;
- }
+#include "hash-long-double-aux.cc"
}
diff --git a/libstdc++-v3/src/hash_tr1.cc b/libstdc++-v3/src/hash_tr1.cc
index ecbb37dcd6e..0dca086b95c 100644
--- a/libstdc++-v3/src/hash_tr1.cc
+++ b/libstdc++-v3/src/hash_tr1.cc
@@ -29,33 +29,7 @@ namespace std
{
namespace tr1
{
-#include "hash-aux.cc"
-
- // For long double, careful with random padding bits (e.g., on x86,
- // 10 bytes -> 12 bytes) and resort to frexp.
- template<>
- size_t
- hash<long double>::operator()(long double __val) const
- {
- size_t __result = 0;
-
- int __exponent;
- __val = __builtin_frexpl(__val, &__exponent);
- __val = __val < 0.0l ? -(__val + 0.5l) : __val;
-
- const long double __mult = __SIZE_MAX__ + 1.0l;
- __val *= __mult;
-
- // Try to use all the bits of the mantissa (really necessary only
- // on 32-bit targets, at least for 80-bit floating point formats).
- const size_t __hibits = (size_t)__val;
- __val = (__val - (long double)__hibits) * __mult;
-
- const size_t __coeff = __SIZE_MAX__ / __LDBL_MAX_EXP__;
-
- __result = __hibits + (size_t)__val + __coeff * __exponent;
-
- return __result;
- }
+#include "hash-long-double-aux.cc"
+#include "hash-string-aux.cc"
}
}