3 files changed, 88 insertions, 0 deletions
diff --git a/libgcc/config/ia64/quadlib.c b/libgcc/config/ia64/quadlib.c
new file mode 100644
index 00000000000..f9ee30b587c
--- /dev/null
+++ b/libgcc/config/ia64/quadlib.c
@@ -0,0 +1,78 @@
+/* Subroutines for long double support.
+   Copyright (C) 2000, 2001, 2002, 2009 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/>.  */
+
+extern int _U_Qfcmp (long double a, long double b, int);
+
+int _U_Qfeq (long double, long double);
+int _U_Qfne (long double, long double);
+int _U_Qfgt (long double, long double);
+int _U_Qfge (long double, long double);
+int _U_Qflt (long double, long double);
+int _U_Qfle (long double, long double);
+int _U_Qfcomp (long double, long double);
+
+int
+_U_Qfeq (long double a, long double b)
+{
+  return (_U_Qfcmp (a, b, 4) != 0);
+}
+
+int
+_U_Qfne (long double a, long double b)
+{
+  return (_U_Qfcmp (a, b, 4) == 0);
+}
+	
+int
+_U_Qfgt (long double a, long double b)
+{
+  return (_U_Qfcmp (a, b, 17) != 0);
+}
+
+int
+_U_Qfge (long double a, long double b)
+{
+  return (_U_Qfcmp (a, b, 21) != 0);
+}
+
+int
+_U_Qflt (long double a, long double b)
+{
+  return (_U_Qfcmp (a, b, 9) != 0);
+}
+
+int
+_U_Qfle (long double a, long double b)
+{
+  return (_U_Qfcmp (a, b, 13) != 0);
+}
+
+int
+_U_Qfcomp (long double a, long double b)
+{
+  if (_U_Qfcmp (a, b, 4) == 0)
+    return 0;
+
+  return (_U_Qfcmp (a, b, 22) != 0 ? 1 : -1);
+}
diff --git a/libgcc/config/ia64/t-hpux b/libgcc/config/ia64/t-hpux
index 1fee41385c0..ddc1135d737 100644
--- a/libgcc/config/ia64/t-hpux
+++ b/libgcc/config/ia64/t-hpux
@@ -3,4 +3,7 @@
 # to 80 bit conversions and were done for Linux backwards compatibility.
 LIB1ASMFUNCS := $(filter-out _fixtfdi _fixunstfdi _floatditf,$(LIB1ASMFUNCS))
 
+# Support routines for HP-UX 128 bit floats.
+LIB2ADD = $(srcdir)/config/ia64/quadlib.c $(srcdir)/floatunsitf.c
+
 LIB2ADDEH = $(srcdir)/unwind-c.c
diff --git a/libgcc/config/ia64/t-ia64 b/libgcc/config/ia64/t-ia64
index 80445d8a2a8..93f38da0ebf 100644
--- a/libgcc/config/ia64/t-ia64
+++ b/libgcc/config/ia64/t-ia64
@@ -11,6 +11,13 @@ LIB1ASMFUNCS  = __divxf3 __divdf3 __divsf3 \
 	__nonlocal_goto __restore_stack_nonlocal __trampoline \
 	_fixtfdi _fixunstfdi _floatditf
 
+# ??? Hack to get -P option used when compiling lib1funcs.S, because Intel
+# assembler does not accept # line number as a comment.
+# ??? This breaks C++ pragma interface/implementation, which is used in the
+# C++ part of libgcc2, hence it had to be disabled.  Must find some other way
+# to support the Intel assembler.
+#LIBGCC2_DEBUG_CFLAGS = -g1 -P
+
 CUSTOM_CRTSTUFF = yes
 
 # Assemble startup files.