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authorJoseph Myers <joseph@codesourcery.com>2011-05-10 17:40:55 +0100
committerJoseph Myers <jsm28@gcc.gnu.org>2011-05-10 17:40:55 +0100
commit4a68b4ca4e0169389c97cd58a0b4eab9c3810c3f (patch)
tree7cd0bbd9d0b8bf73a497bb767f3b1b3bf7be90c2 /libgcc/config
parentbcb521e997d0f8a685bf8dbd31fd1049299e6f4b (diff)
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config.gcc (i[34567]86-*-darwin*, [...]): Add i386/darwin-lib.h to $libgcc_tm_file.
gcc: * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add i386/darwin-lib.h to $libgcc_tm_file. * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Remove. libgcc: * config/i386/darwin-lib.h: New file. From-SVN: r173622
Diffstat (limited to 'libgcc/config')
-rw-r--r--libgcc/config/i386/darwin-lib.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/libgcc/config/i386/darwin-lib.h b/libgcc/config/i386/darwin-lib.h
new file mode 100644
index 0000000..c580e29
--- /dev/null
+++ b/libgcc/config/i386/darwin-lib.h
@@ -0,0 +1,32 @@
+/* Target definitions for x86 running Darwin, library renames.
+ Copyright (C) 2011 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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.
+
+GCC 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/>. */
+
+/* The system ___divdc3 routine in libSystem on darwin10 is not
+ accurate to 1ulp, ours is, so we avoid ever using the system name
+ for this routine and instead install a non-conflicting name that is
+ accurate. See darwin_rename_builtins. */
+#ifdef L_divdc3
+#define DECLARE_LIBRARY_RENAMES \
+ asm(".text; ___divdc3: jmp ___ieee_divdc3 ; .globl ___divdc3");
+#endif