obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

8 files changed, 131 insertions, 0 deletions

diff --git a/libgcc/config/ia64/__divxf3.asm b/libgcc/config/ia64/__divxf3.asm
new file mode 100644
index 000000000..f741bdaf9
--- /dev/null
+++ b/libgcc/config/ia64/__divxf3.asm
@@ -0,0 +1,11 @@
+#ifdef SHARED
+#define __divtf3 __divtf3_compat
+#endif
+
+#define L__divxf3
+#include "config/ia64/lib1funcs.asm"
+
+#ifdef SHARED
+#undef __divtf3
+.symver __divtf3_compat, __divtf3@GCC_3.0
+#endif
diff --git a/libgcc/config/ia64/_fixtfdi.asm b/libgcc/config/ia64/_fixtfdi.asm
new file mode 100644
index 000000000..4d13c808c
--- /dev/null
+++ b/libgcc/config/ia64/_fixtfdi.asm
@@ -0,0 +1,11 @@
+#ifdef SHARED
+#define __fixtfti __fixtfti_compat
+#endif
+
+#define L_fixtfdi
+#include "config/ia64/lib1funcs.asm"
+
+#ifdef SHARED
+#undef __fixtfti
+.symver __fixtfti_compat, __fixtfti@GCC_3.0
+#endif
diff --git a/libgcc/config/ia64/_fixunstfdi.asm b/libgcc/config/ia64/_fixunstfdi.asm
new file mode 100644
index 000000000..b722d9e90
--- /dev/null
+++ b/libgcc/config/ia64/_fixunstfdi.asm
@@ -0,0 +1,11 @@
+#ifdef SHARED
+#define __fixunstfti __fixunstfti_compat
+#endif
+
+#define L_fixunstfdi
+#include "config/ia64/lib1funcs.asm"
+
+#ifdef SHARED
+#undef __fixunstfti
+.symver __fixunstfti_compat, __fixunstfti@GCC_3.0
+#endif
diff --git a/libgcc/config/ia64/_floatditf.asm b/libgcc/config/ia64/_floatditf.asm
new file mode 100644
index 000000000..21d770281
--- /dev/null
+++ b/libgcc/config/ia64/_floatditf.asm
@@ -0,0 +1,11 @@
+#ifdef SHARED
+#define __floattitf __floattitf_compat
+#endif
+
+#define L_floatditf
+#include "config/ia64/lib1funcs.asm"
+
+#ifdef SHARED
+#undef __floattitf
+.symver __floattitf_compat, __floattitf@GCC_3.0
+#endif
diff --git a/libgcc/config/ia64/t-fprules-softfp b/libgcc/config/ia64/t-fprules-softfp
new file mode 100644
index 000000000..90acc376e
--- /dev/null
+++ b/libgcc/config/ia64/t-fprules-softfp
@@ -0,0 +1,2 @@
+# Provide fallbacks for __builtin_copysignq and __builtin_fabsq.
+LIB2ADD += $(srcdir)/config/ia64/tf-signs.c
diff --git a/libgcc/config/ia64/t-ia64 b/libgcc/config/ia64/t-ia64
new file mode 100644
index 000000000..d9c7566cf
--- /dev/null
+++ b/libgcc/config/ia64/t-ia64
@@ -0,0 +1,18 @@
+CUSTOM_CRTSTUFF = yes
+
+# Assemble startup files.
+crtbegin.o: $(gcc_srcdir)/config/ia64/crtbegin.asm
+	$(CC) $(compile_deps) -I. -I$(gcc_objdir) -c -x assembler-with-cpp \
+		-o $@ $(gcc_srcdir)/config/ia64/crtbegin.asm
+crtend.o: $(gcc_srcdir)/config/ia64/crtend.asm
+	$(CC) $(compile_deps) -I. -I$(gcc_objdir) -c -x assembler-with-cpp \
+		-o $@ $(gcc_srcdir)/config/ia64/crtend.asm
+crtbeginS.o: $(gcc_srcdir)/config/ia64/crtbegin.asm
+	$(CC) $(compile_deps) -I. -I$(gcc_objdir) -c -x assembler-with-cpp \
+		-o $@ -DSHARED $(gcc_srcdir)/config/ia64/crtbegin.asm
+crtendS.o: $(gcc_srcdir)/config/ia64/crtend.asm
+	$(CC) $(compile_deps) -I. -I$(gcc_objdir) -c -x assembler-with-cpp \
+		-o $@ -DSHARED $(gcc_srcdir)/config/ia64/crtend.asm
+
+crtfastmath.o: $(gcc_srcdir)/config/ia64/crtfastmath.c
+	$(gcc_compile) -c $(gcc_srcdir)/config/ia64/crtfastmath.c
diff --git a/libgcc/config/ia64/t-softfp-compat b/libgcc/config/ia64/t-softfp-compat
new file mode 100644
index 000000000..d3dad68c4
--- /dev/null
+++ b/libgcc/config/ia64/t-softfp-compat
@@ -0,0 +1,7 @@
+# Filter out the following TImode functions and provide backward binary
+# compatibility.
+# Replace __dvxf3 _fixtfdi _fixunstfdi _floatditf
+libgcc1-tf-functions = __divxf3  _fixtfdi _fixunstfdi _floatditf
+LIB1ASMFUNCS := $(filter-out $(libgcc1-tf-functions), $(LIB1ASMFUNCS))
+libgcc1-tf-compats = $(addsuffix .asm, $(libgcc1-tf-functions))
+LIB2ADD += $(addprefix $(srcdir)/config/ia64/, $(libgcc1-tf-compats))
diff --git a/libgcc/config/ia64/tf-signs.c b/libgcc/config/ia64/tf-signs.c
new file mode 100644
index 000000000..bbcae503e
--- /dev/null
+++ b/libgcc/config/ia64/tf-signs.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 2008, 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/>.  */
+
+union _FP_UNION_Q
+{
+   __float128 flt;
+   struct 
+   {
+      unsigned long frac1 : 64;
+      unsigned long frac0 : 48;
+      unsigned exp : 15;
+      unsigned sign : 1;
+   } bits __attribute__((packed));
+};
+
+__float128 __copysigntf3 (__float128, __float128);
+__float128 __fabstf2 (__float128);
+
+__float128
+__copysigntf3 (__float128 a, __float128 b)
+{
+  union _FP_UNION_Q A, B;
+
+  A.flt = a;
+  B.flt = b;
+  A.bits.sign = B.bits.sign;
+
+  return A.flt;
+}
+
+__float128
+__fabstf2 (__float128 a)
+{
+  union _FP_UNION_Q A;
+
+  A.flt = a;
+  A.bits.sign = 0;
+
+  return A.flt;
+}