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-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-c++-builtin-redecl.patch114
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-cpp-pragma.patch284
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-i386-libgomp.patch65
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-ia64-libunwind.patch550
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-java-debug-iface-type.patch19
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-java-nomulti.patch48
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-libgomp-speedup.patch2797
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-ppc32-retaddr.patch90
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-pr27898.patch16
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-pr32139.patch19
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-pr33763.patch159
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-rh251682.patch89
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-rh330771.patch31
-rw-r--r--meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-rh341221.patch32
14 files changed, 4313 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-c++-builtin-redecl.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-c++-builtin-redecl.patch
new file mode 100644
index 0000000000..a149eae98e
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-c++-builtin-redecl.patch
@@ -0,0 +1,114 @@
+2007-10-02 Jakub Jelinek <jakub@redhat.com>
+
+ * decl.c (duplicate_decls): When redeclaring a builtin function,
+ keep the merged decl builtin whenever types match, even if new
+ decl defines a function.
+
+ * gcc.dg/builtins-65.c: New test.
+ * g++.dg/ext/builtin10.C: New test.
+
+Index: gcc/cp/decl.c
+===================================================================
+--- gcc/cp/decl.c.orig 2010-04-01 11:48:46.000000000 -0700
++++ gcc/cp/decl.c 2010-06-25 10:10:54.749131719 -0700
+@@ -2021,23 +2021,21 @@
+ DECL_ARGUMENTS (olddecl) = DECL_ARGUMENTS (newdecl);
+ DECL_RESULT (olddecl) = DECL_RESULT (newdecl);
+ }
++ /* If redeclaring a builtin function, it stays built in. */
++ if (types_match && DECL_BUILT_IN (olddecl))
++ {
++ DECL_BUILT_IN_CLASS (newdecl) = DECL_BUILT_IN_CLASS (olddecl);
++ DECL_FUNCTION_CODE (newdecl) = DECL_FUNCTION_CODE (olddecl);
++ /* If we're keeping the built-in definition, keep the rtl,
++ regardless of declaration matches. */
++ COPY_DECL_RTL (olddecl, newdecl);
++ }
+ if (new_defines_function)
+ /* If defining a function declared with other language
+ linkage, use the previously declared language linkage. */
+ SET_DECL_LANGUAGE (newdecl, DECL_LANGUAGE (olddecl));
+ else if (types_match)
+ {
+- /* If redeclaring a builtin function, and not a definition,
+- it stays built in. */
+- if (DECL_BUILT_IN (olddecl))
+- {
+- DECL_BUILT_IN_CLASS (newdecl) = DECL_BUILT_IN_CLASS (olddecl);
+- DECL_FUNCTION_CODE (newdecl) = DECL_FUNCTION_CODE (olddecl);
+- /* If we're keeping the built-in definition, keep the rtl,
+- regardless of declaration matches. */
+- COPY_DECL_RTL (olddecl, newdecl);
+- }
+-
+ DECL_RESULT (newdecl) = DECL_RESULT (olddecl);
+ /* Don't clear out the arguments if we're just redeclaring a
+ function. */
+Index: gcc/testsuite/gcc.dg/builtins-65.c
+===================================================================
+--- gcc/testsuite/gcc.dg/builtins-65.c.orig 2009-06-26 02:02:04.000000000 -0700
++++ gcc/testsuite/gcc.dg/builtins-65.c 2010-06-25 10:10:54.784464429 -0700
+@@ -1,3 +1,28 @@
++/* { dg-do compile } */
++/* { dg-options "-O2" } */
++
++typedef __SIZE_TYPE__ size_t;
++extern void __chk_fail (void);
++extern int snprintf (char *, size_t, const char *, ...);
++extern inline __attribute__((gnu_inline, always_inline)) int snprintf (char *a, size_t b, const char *fmt, ...)
++{
++ if (__builtin_object_size (a, 0) != -1UL && __builtin_object_size (a, 0) < b)
++ __chk_fail ();
++ return __builtin_snprintf (a, b, fmt, __builtin_va_arg_pack ());
++}
++extern int snprintf (char *, size_t, const char *, ...) __asm ("mysnprintf");
++
++char buf[10];
++
++int
++main (void)
++{
++ snprintf (buf, 10, "%d%d\n", 10, 10);
++ return 0;
++}
++
++/* { dg-final { scan-assembler "mysnprintf" } } */
++/* { dg-final { scan-assembler-not "__chk_fail" } } */
+ /* { dg-do link } */
+ /* { dg-options "-O2 -ffast-math" } */
+ /* { dg-require-effective-target c99_runtime } */
+Index: gcc/testsuite/g++.dg/ext/builtin10.C
+===================================================================
+--- gcc/testsuite/g++.dg/ext/builtin10.C.orig 2009-02-02 03:27:50.000000000 -0800
++++ gcc/testsuite/g++.dg/ext/builtin10.C 2010-06-25 10:10:54.816467202 -0700
+@@ -1,3 +1,30 @@
++// { dg-do compile }
++// { dg-options "-O2" }
++
++typedef __SIZE_TYPE__ size_t;
++extern "C" {
++extern void __chk_fail (void);
++extern int snprintf (char *, size_t, const char *, ...);
++extern inline __attribute__((gnu_inline, always_inline)) int snprintf (char *a, size_t b, const char *fmt, ...)
++{
++ if (__builtin_object_size (a, 0) != -1UL && __builtin_object_size (a, 0) < b)
++ __chk_fail ();
++ return __builtin_snprintf (a, b, fmt, __builtin_va_arg_pack ());
++}
++extern int snprintf (char *, size_t, const char *, ...) __asm ("mysnprintf");
++}
++
++char buf[10];
++
++int
++main (void)
++{
++ snprintf (buf, 10, "%d%d\n", 10, 10);
++ return 0;
++}
++
++// { dg-final { scan-assembler "mysnprintf" } }
++// { dg-final { scan-assembler-not "__chk_fail" } }
+ // { dg-do compile { target correct_iso_cpp_string_wchar_protos } }
+ // { dg-options "-O2 -fdump-tree-optimized" }
+
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-cpp-pragma.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-cpp-pragma.patch
new file mode 100644
index 0000000000..00d37bd7ce
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-cpp-pragma.patch
@@ -0,0 +1,284 @@
+2008-02-26 Jakub Jelinek <jakub@redhat.com>
+
+ * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
+ and CPP_PRAGMA_EOL.
+ * c-pragma.c (pragma_ns_name): New typedef.
+ (registered_pp_pragmas): New variable.
+ (c_pp_lookup_pragma): New function.
+ (c_register_pragma_1): If flag_preprocess_only, do nothing
+ for non-expanded pragmas, for expanded ones push pragma's
+ namespace and name into registered_pp_pragmas vector.
+ (c_invoke_pragma_handler): Register OpenMP pragmas even when
+ flag_preprocess_only, don't register GCC pch_preprocess
+ pragma if flag_preprocess_only.
+ * c-opts.c (c_common_init): Call init_pragma even if
+ flag_preprocess_only.
+ * c-pragma.c (c_pp_lookup_pragma): New prototype.
+ * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
+ cpp_register_pragma if flag_preprocess_only.
+
+ * gcc.dg/gomp/preprocess-1.c: New test.
+
+--- gcc/c-ppoutput.c.jj 2008-01-26 18:01:16.000000000 +0100
++++ gcc/c-ppoutput.c 2008-02-26 22:54:57.000000000 +0100
+@@ -1,6 +1,6 @@
+ /* Preprocess only, using cpplib.
+- Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
+- Free Software Foundation, Inc.
++ Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007,
++ 2008 Free Software Foundation, Inc.
+ Written by Per Bothner, 1994-95.
+
+ This program is free software; you can redistribute it and/or modify it
+@@ -177,7 +177,24 @@ scan_translation_unit (cpp_reader *pfile
+ avoid_paste = false;
+ print.source = NULL;
+ print.prev = token;
+- cpp_output_token (token, print.outf);
++ if (token->type == CPP_PRAGMA)
++ {
++ const char *space;
++ const char *name;
++
++ maybe_print_line (token->src_loc);
++ fputs ("#pragma ", print.outf);
++ c_pp_lookup_pragma (token->val.pragma, &space, &name);
++ if (space)
++ fprintf (print.outf, "%s %s", space, name);
++ else
++ fprintf (print.outf, "%s", name);
++ print.printed = 1;
++ }
++ else if (token->type == CPP_PRAGMA_EOL)
++ maybe_print_line (token->src_loc);
++ else
++ cpp_output_token (token, print.outf);
+
+ if (token->type == CPP_COMMENT)
+ account_for_newlines (token->val.str.text, token->val.str.len);
+--- gcc/c-pragma.c.jj 2008-02-15 18:43:03.000000000 +0100
++++ gcc/c-pragma.c 2008-02-26 22:59:44.000000000 +0100
+@@ -1,6 +1,6 @@
+ /* Handle #pragma, system V.4 style. Supports #pragma weak and #pragma pack.
+ Copyright (C) 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+- 2006, 2007 Free Software Foundation, Inc.
++ 2006, 2007, 2008 Free Software Foundation, Inc.
+
+ This file is part of GCC.
+
+@@ -872,6 +872,61 @@ DEF_VEC_ALLOC_O (pragma_handler, heap);
+
+ static VEC(pragma_handler, heap) *registered_pragmas;
+
++typedef struct
++{
++ const char *space;
++ const char *name;
++} pragma_ns_name;
++
++DEF_VEC_O (pragma_ns_name);
++DEF_VEC_ALLOC_O (pragma_ns_name, heap);
++
++static VEC(pragma_ns_name, heap) *registered_pp_pragmas;
++
++struct omp_pragma_def { const char *name; unsigned int id; };
++static const struct omp_pragma_def omp_pragmas[] = {
++ { "atomic", PRAGMA_OMP_ATOMIC },
++ { "barrier", PRAGMA_OMP_BARRIER },
++ { "critical", PRAGMA_OMP_CRITICAL },
++ { "flush", PRAGMA_OMP_FLUSH },
++ { "for", PRAGMA_OMP_FOR },
++ { "master", PRAGMA_OMP_MASTER },
++ { "ordered", PRAGMA_OMP_ORDERED },
++ { "parallel", PRAGMA_OMP_PARALLEL },
++ { "section", PRAGMA_OMP_SECTION },
++ { "sections", PRAGMA_OMP_SECTIONS },
++ { "single", PRAGMA_OMP_SINGLE },
++ { "threadprivate", PRAGMA_OMP_THREADPRIVATE }
++};
++
++void
++c_pp_lookup_pragma (unsigned int id, const char **space, const char **name)
++{
++ const int n_omp_pragmas = sizeof (omp_pragmas) / sizeof (*omp_pragmas);
++ int i;
++
++ for (i = 0; i < n_omp_pragmas; ++i)
++ if (omp_pragmas[i].id == id)
++ {
++ *space = "omp";
++ *name = omp_pragmas[i].name;
++ return;
++ }
++
++ if (id >= PRAGMA_FIRST_EXTERNAL
++ && (id < PRAGMA_FIRST_EXTERNAL
++ + VEC_length (pragma_ns_name, registered_pp_pragmas)))
++ {
++ *space = VEC_index (pragma_ns_name, registered_pp_pragmas,
++ id - PRAGMA_FIRST_EXTERNAL)->space;
++ *name = VEC_index (pragma_ns_name, registered_pp_pragmas,
++ id - PRAGMA_FIRST_EXTERNAL)->name;
++ return;
++ }
++
++ gcc_unreachable ();
++}
++
+ /* Front-end wrappers for pragma registration to avoid dragging
+ cpplib.h in almost everywhere. */
+
+@@ -881,13 +936,29 @@ c_register_pragma_1 (const char *space,
+ {
+ unsigned id;
+
+- VEC_safe_push (pragma_handler, heap, registered_pragmas, &handler);
+- id = VEC_length (pragma_handler, registered_pragmas);
+- id += PRAGMA_FIRST_EXTERNAL - 1;
+-
+- /* The C++ front end allocates 6 bits in cp_token; the C front end
+- allocates 7 bits in c_token. At present this is sufficient. */
+- gcc_assert (id < 64);
++ if (flag_preprocess_only)
++ {
++ pragma_ns_name ns_name;
++
++ if (!allow_expansion)
++ return;
++
++ ns_name.space = space;
++ ns_name.name = name;
++ VEC_safe_push (pragma_ns_name, heap, registered_pp_pragmas, &ns_name);
++ id = VEC_length (pragma_ns_name, registered_pp_pragmas);
++ id += PRAGMA_FIRST_EXTERNAL - 1;
++ }
++ else
++ {
++ VEC_safe_push (pragma_handler, heap, registered_pragmas, &handler);
++ id = VEC_length (pragma_handler, registered_pragmas);
++ id += PRAGMA_FIRST_EXTERNAL - 1;
++
++ /* The C++ front end allocates 6 bits in cp_token; the C front end
++ allocates 7 bits in c_token. At present this is sufficient. */
++ gcc_assert (id < 64);
++ }
+
+ cpp_register_deferred_pragma (parse_in, space, name, id,
+ allow_expansion, false);
+@@ -921,24 +992,8 @@ c_invoke_pragma_handler (unsigned int id
+ void
+ init_pragma (void)
+ {
+- if (flag_openmp && !flag_preprocess_only)
++ if (flag_openmp)
+ {
+- struct omp_pragma_def { const char *name; unsigned int id; };
+- static const struct omp_pragma_def omp_pragmas[] = {
+- { "atomic", PRAGMA_OMP_ATOMIC },
+- { "barrier", PRAGMA_OMP_BARRIER },
+- { "critical", PRAGMA_OMP_CRITICAL },
+- { "flush", PRAGMA_OMP_FLUSH },
+- { "for", PRAGMA_OMP_FOR },
+- { "master", PRAGMA_OMP_MASTER },
+- { "ordered", PRAGMA_OMP_ORDERED },
+- { "parallel", PRAGMA_OMP_PARALLEL },
+- { "section", PRAGMA_OMP_SECTION },
+- { "sections", PRAGMA_OMP_SECTIONS },
+- { "single", PRAGMA_OMP_SINGLE },
+- { "threadprivate", PRAGMA_OMP_THREADPRIVATE }
+- };
+-
+ const int n_omp_pragmas = sizeof (omp_pragmas) / sizeof (*omp_pragmas);
+ int i;
+
+@@ -947,8 +1002,9 @@ init_pragma (void)
+ omp_pragmas[i].id, true, true);
+ }
+
+- cpp_register_deferred_pragma (parse_in, "GCC", "pch_preprocess",
+- PRAGMA_GCC_PCH_PREPROCESS, false, false);
++ if (!flag_preprocess_only)
++ cpp_register_deferred_pragma (parse_in, "GCC", "pch_preprocess",
++ PRAGMA_GCC_PCH_PREPROCESS, false, false);
+
+ #ifdef HANDLE_PRAGMA_PACK
+ #ifdef HANDLE_PRAGMA_PACK_WITH_EXPANSION
+--- gcc/c-opts.c.jj 2008-02-26 22:53:23.000000000 +0100
++++ gcc/c-opts.c 2008-02-26 22:54:57.000000000 +0100
+@@ -1,5 +1,5 @@
+ /* C/ObjC/C++ command line option handling.
+- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007
++ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ Free Software Foundation, Inc.
+ Contributed by Neil Booth.
+
+@@ -1239,6 +1239,9 @@ c_common_init (void)
+ if (version_flag)
+ c_common_print_pch_checksum (stderr);
+
++ /* Has to wait until now so that cpplib has its hash table. */
++ init_pragma ();
++
+ if (flag_preprocess_only)
+ {
+ finish_options ();
+@@ -1246,9 +1249,6 @@ c_common_init (void)
+ return false;
+ }
+
+- /* Has to wait until now so that cpplib has its hash table. */
+- init_pragma ();
+-
+ return true;
+ }
+
+--- gcc/c-pragma.h.jj 2008-01-26 18:01:16.000000000 +0100
++++ gcc/c-pragma.h 2008-02-26 22:54:57.000000000 +0100
+@@ -1,6 +1,6 @@
+ /* Pragma related interfaces.
+ Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+- 2007 Free Software Foundation, Inc.
++ 2007, 2008 Free Software Foundation, Inc.
+
+ This file is part of GCC.
+
+@@ -124,4 +124,6 @@ extern enum cpp_ttype pragma_lex (tree *
+ extern enum cpp_ttype c_lex_with_flags (tree *, location_t *, unsigned char *,
+ int);
+
++extern void c_pp_lookup_pragma (unsigned int, const char **, const char **);
++
+ #endif /* GCC_C_PRAGMA_H */
+--- gcc/config/darwin.h.jj 2008-02-11 14:48:12.000000000 +0100
++++ gcc/config/darwin.h 2008-02-26 22:54:57.000000000 +0100
+@@ -892,8 +892,9 @@ enum machopic_addr_class {
+
+ #define DARWIN_REGISTER_TARGET_PRAGMAS() \
+ do { \
+- cpp_register_pragma (parse_in, NULL, "mark", \
+- darwin_pragma_ignore, false); \
++ if (!flag_preprocess_only) \
++ cpp_register_pragma (parse_in, NULL, "mark", \
++ darwin_pragma_ignore, false); \
+ c_register_pragma (0, "options", darwin_pragma_options); \
+ c_register_pragma (0, "segment", darwin_pragma_ignore); \
+ c_register_pragma (0, "unused", darwin_pragma_unused); \
+--- gcc/testsuite/gcc.dg/gomp/preprocess-1.c.jj 2008-02-26 22:54:57.000000000 +0100
++++ gcc/testsuite/gcc.dg/gomp/preprocess-1.c 2008-02-26 22:54:57.000000000 +0100
+@@ -0,0 +1,16 @@
++/* { dg-do preprocess } */
++
++void foo (void)
++{
++ int i1, j1, k1;
++#define p parallel
++#define P(x) private (x##1)
++#define S(x) shared (x##1)
++#define F(x) firstprivate (x##1)
++#pragma omp p P(i) \
++ S(j) \
++ F(k)
++ ;
++}
++
++/* { dg-final { scan-file preprocess-1.i "(^|\n)#pragma omp parallel private \\(i1\\) shared \\(j1\\) firstprivate \\(k1\\)($|\n)" } } */
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-i386-libgomp.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-i386-libgomp.patch
new file mode 100644
index 0000000000..a588db28e8
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-i386-libgomp.patch
@@ -0,0 +1,65 @@
+Build i386.rpm libgomp and libsupc++.a(guard.o) as i486+, pre-i486
+hardware isn't supported because NPTL doesn't support it anyway.
+
+Index: libgomp/configure.tgt
+===================================================================
+--- libgomp/configure.tgt.orig 2010-01-28 13:47:59.000000000 -0800
++++ libgomp/configure.tgt 2010-06-25 10:32:26.706135558 -0700
+@@ -48,14 +48,14 @@
+ ;;
+
+ # Note that bare i386 is not included here. We need cmpxchg.
+- i[456]86-*-linux*)
++ i[3456]86-*-linux*)
+ config_path="linux/x86 linux posix"
+ case " ${CC} ${CFLAGS} " in
+ *" -m64 "*)
+ ;;
+ *)
+ if test -z "$with_arch"; then
+- XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}"
++ XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic"
+ fi
+ esac
+ ;;
+@@ -67,7 +67,7 @@
+ config_path="linux/x86 linux posix"
+ case " ${CC} ${CFLAGS} " in
+ *" -m32 "*)
+- XCFLAGS="${XCFLAGS} -march=i486 -mtune=i686"
++ XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic"
+ ;;
+ esac
+ ;;
+Index: libstdc++-v3/libsupc++/guard.cc
+===================================================================
+--- libstdc++-v3/libsupc++/guard.cc.orig 2009-11-09 14:09:30.000000000 -0800
++++ libstdc++-v3/libsupc++/guard.cc 2010-06-25 10:32:26.710135964 -0700
+@@ -30,6 +30,27 @@
+ #include <new>
+ #include <ext/atomicity.h>
+ #include <ext/concurrence.h>
++#if defined __i386__ && !defined _GLIBCXX_ATOMIC_BUILTINS
++# define _GLIBCXX_ATOMIC_BUILTINS 1
++# define __sync_val_compare_and_swap(a, b, c) \
++ ({ \
++ typedef char sltast[sizeof (*a) == sizeof (int) ? 1 : -1]; \
++ int sltas; \
++ __asm __volatile ("lock; cmpxchgl %3, (%1)" \
++ : "=a" (sltas) \
++ : "r" (a), "0" (b), "r" (c) : "memory"); \
++ sltas; \
++ })
++# define __sync_lock_test_and_set(a, b) \
++ ({ \
++ typedef char sltast[sizeof (*a) == sizeof (int) ? 1 : -1]; \
++ int sltas; \
++ __asm __volatile ("xchgl (%1), %0" \
++ : "=r" (sltas) \
++ : "r" (a), "0" (b) : "memory"); \
++ sltas; \
++ })
++#endif
+ #if defined(__GTHREADS) && defined(__GTHREAD_HAS_COND) \
+ && defined(_GLIBCXX_ATOMIC_BUILTINS_4) && defined(_GLIBCXX_HAVE_LINUX_FUTEX)
+ # include <climits>
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-ia64-libunwind.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-ia64-libunwind.patch
new file mode 100644
index 0000000000..cad13d1228
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-ia64-libunwind.patch
@@ -0,0 +1,550 @@
+2004-11-27 Jakub Jelinek <jakub@redhat.com>
+
+ * config.gcc (ia64*-*-linux*): If native and libelf is installed,
+ use ia64/t-glibc-no-libunwind instead of the other t-*unwind*
+ fragments.
+ * config/ia64/t-glibc-no-libunwind: New file.
+ * config/ia64/change-symver.c: New file.
+ * config/ia64/unwind-ia64.c: If USE_SYMVER_GLOBAL and SHARED,
+ define _Unwind_* to __symverglobal_Unwind_*.
+ (alias): Undefine.
+ (symverglobal): Define. Use it on _Unwind_*.
+ * config/ia64/mkmap-symver-multi.awk: New file.
+ * config/ia64/libgcc-ia64-no-libunwind.ver: New file.
+
+Index: gcc/config.gcc
+===================================================================
+--- gcc/config.gcc.orig 2010-04-07 03:34:00.000000000 -0700
++++ gcc/config.gcc 2010-06-25 10:15:25.133131055 -0700
+@@ -1457,9 +1457,16 @@
+ ;;
+ ia64*-*-linux*)
+ tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h glibc-stdint.h ia64/sysv4.h ia64/linux.h"
+- tmake_file="${tmake_file} ia64/t-ia64 t-libunwind ia64/t-glibc"
+- if test x$with_system_libunwind != xyes ; then
+- tmake_file="${tmake_file} t-libunwind-elf ia64/t-glibc-libunwind"
++ tmake_file="${tmake_file} ia64/t-ia64"
++ if test x${target} = x${host} && test x${target} = x${build} \
++ && grep gelf_getverdef /usr/include/gelf.h > /dev/null 2>&1 \
++ && test -f /usr/lib/libelf.so; then
++ tmake_file="${tmake_file} ia64/t-glibc-no-libunwind"
++ else
++ tmake_file="${tmake_file} t-libunwind ia64/t-glibc"
++ if test x$with_system_libunwind != xyes ; then
++ tmake_file="${tmake_file} t-libunwind-elf ia64/t-glibc-libunwind"
++ fi
+ fi
+ target_cpu_default="MASK_GNU_AS|MASK_GNU_LD"
+ extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtfastmath.o"
+Index: gcc/config/ia64/t-glibc-no-libunwind
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ gcc/config/ia64/t-glibc-no-libunwind 2010-06-25 10:14:32.521880765 -0700
+@@ -0,0 +1,30 @@
++# Don't use system libunwind library on IA-64 GLIBC based system,
++# but make _Unwind_* symbols unversioned, so that created programs
++# are usable even when libgcc_s uses libunwind.
++LIB2ADDEH += $(srcdir)/config/ia64/fde-glibc.c
++SHLIB_MAPFILES += $(srcdir)/config/ia64/libgcc-ia64-no-libunwind.ver
++SHLIB_MKMAP = $(srcdir)/config/ia64/mkmap-symver-multi.awk
++
++SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared -nodefaultlibs \
++ -Wl,--soname=$(SHLIB_SONAME) \
++ -Wl,--version-script=$(SHLIB_MAP) \
++ -o $(SHLIB_DIR)/$(SHLIB_SONAME).tmp @multilib_flags@ $(SHLIB_OBJS) -lc && \
++ rm -f $(SHLIB_DIR)/$(SHLIB_SOLINK) && \
++ if [ -f $(SHLIB_DIR)/$(SHLIB_SONAME) ]; then \
++ mv -f $(SHLIB_DIR)/$(SHLIB_SONAME) \
++ $(SHLIB_DIR)/$(SHLIB_SONAME).backup; \
++ else true; fi && \
++ gcc -O2 -o $(SHLIB_DIR)/$(SHLIB_SONAME).tweak \
++ $$(gcc_srcdir)/config/ia64/change-symver.c -lelf && \
++ $(SHLIB_DIR)/$(SHLIB_SONAME).tweak $(SHLIB_DIR)/$(SHLIB_SONAME).tmp \
++ GCC_3.4.2 _GLOBAL_ \
++ _Unwind_GetGR _Unwind_RaiseException _Unwind_GetRegionStart _Unwind_SetIP \
++ _Unwind_GetIP _Unwind_GetLanguageSpecificData _Unwind_Resume \
++ _Unwind_DeleteException _Unwind_SetGR _Unwind_ForcedUnwind \
++ _Unwind_Backtrace _Unwind_FindEnclosingFunction _Unwind_GetCFA \
++ _Unwind_Resume_or_Rethrow _Unwind_GetBSP && \
++ rm -f $(SHLIB_DIR)/$(SHLIB_SONAME).tweak && \
++ mv $(SHLIB_DIR)/$(SHLIB_SONAME).tmp $(SHLIB_DIR)/$(SHLIB_SONAME) && \
++ $(LN_S) $(SHLIB_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK)
++
++TARGET_LIBGCC2_CFLAGS += -DUSE_SYMVER_GLOBAL
+Index: gcc/config/ia64/change-symver.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ gcc/config/ia64/change-symver.c 2010-06-25 10:14:32.521880765 -0700
+@@ -0,0 +1,211 @@
++#define _GNU_SOURCE 1
++#define _FILE_OFFSET_BITS 64
++#include <endian.h>
++#include <errno.h>
++#include <error.h>
++#include <fcntl.h>
++#include <fnmatch.h>
++#include <gelf.h>
++#include <stdlib.h>
++#include <string.h>
++#include <unistd.h>
++
++int
++compute_veridx (const char *name, Elf *elf, Elf_Data *verd, GElf_Shdr *verd_shdr)
++{
++ if (strcmp (name, "_GLOBAL_") == 0)
++ return 1;
++
++ int cnt;
++ size_t offset = 0;
++ for (cnt = verd_shdr->sh_info; --cnt >= 0; )
++ {
++ GElf_Verdef defmem;
++ GElf_Verdef *def;
++ GElf_Verdaux auxmem;
++ GElf_Verdaux *aux;
++ unsigned int auxoffset;
++
++ /* Get the data at the next offset. */
++ def = gelf_getverdef (verd, offset, &defmem);
++ if (def == NULL)
++ break;
++
++ auxoffset = offset + def->vd_aux;
++ aux = gelf_getverdaux (verd, auxoffset, &auxmem);
++ if (aux == NULL)
++ break;
++
++ if (strcmp (name, elf_strptr (elf, verd_shdr->sh_link,
++ aux->vda_name)) == 0)
++ return def->vd_ndx;
++
++ /* Find the next offset. */
++ offset += def->vd_next;
++ }
++
++ return -1;
++}
++
++int
++main (int argc, char **argv)
++{
++ if (argc < 4)
++ error (1, 0, "Usage: change_symver library from_symver to_symver symbol...\nExample: change_symver libfoo.so FOO_1.0 *global* bar baz");
++
++ const char *fname = argv[1];
++
++ /* Open the file. */
++ int fd;
++ fd = open (fname, O_RDWR);
++ if (fd == -1)
++ error (1, errno, fname);
++
++ elf_version (EV_CURRENT);
++
++ /* Now get the ELF descriptor. */
++ Elf *elf = elf_begin (fd, ELF_C_READ_MMAP, NULL);
++ if (elf == NULL || elf_kind (elf) != ELF_K_ELF)
++ error (1, 0, "Couldn't open %s: %s", fname, elf_errmsg (-1));
++
++ size_t shstrndx;
++ /* Get the section header string table index. */
++ if (elf_getshstrndx (elf, &shstrndx) < 0)
++ error (1, 0, "cannot get shstrndx from %s", fname);
++
++ GElf_Ehdr ehdr_mem;
++ GElf_Ehdr *ehdr;
++
++ /* We need the ELF header in a few places. */
++ ehdr = gelf_getehdr (elf, &ehdr_mem);
++ if (ehdr == NULL)
++ error (1, 0, "couldn't get ELF headers %s: %s", fname, elf_errmsg (-1));
++
++ Elf_Scn *scn = NULL;
++ GElf_Shdr shdr_mem, verd_shdr, ver_shdr, dynsym_shdr;
++ Elf_Data *ver = NULL, *verd = NULL, *dynsym = NULL;
++
++ while ((scn = elf_nextscn (elf, scn)) != NULL)
++ {
++ GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem);
++
++ if (shdr == NULL)
++ error (1, 0, "couldn't get shdr from %s", fname);
++
++ if ((shdr->sh_flags & SHF_ALLOC) != 0)
++ {
++ const char *name = elf_strptr (elf, shstrndx, shdr->sh_name);
++ Elf_Data **p;
++
++ if (strcmp (name, ".gnu.version") == 0)
++ {
++ p = &ver;
++ ver_shdr = *shdr;
++ }
++ else if (strcmp (name, ".gnu.version_d") == 0)
++ {
++ p = &verd;
++ verd_shdr = *shdr;
++ }
++ else if (strcmp (name, ".dynsym") == 0)
++ {
++ p = &dynsym;
++ dynsym_shdr = *shdr;
++ }
++ else
++ continue;
++
++ if (*p != NULL)
++ error (1, 0, "Two %s sections in %s", name, fname);
++ *p = elf_getdata (scn, NULL);
++ if (*p == NULL || elf_getdata (scn, *p) != NULL)
++ error (1, 0, "No data or non-contiguous data in %s section in %s",
++ name, fname);
++ }
++ }
++
++ if (ver == NULL || verd == NULL || dynsym == NULL)
++ error (1, 0, "Couldn't find one of the needed sections in %s", fname);
++
++ int from_idx = compute_veridx (argv[2], elf, verd, &verd_shdr);
++ if (from_idx == -1)
++ error (1, 0, "Could not find symbol version %s in %s", argv[2], fname);
++
++ int to_idx = compute_veridx (argv[3], elf, verd, &verd_shdr);
++ if (to_idx == -1)
++ error (1, 0, "Could not find symbol version %s in %s", argv[3], fname);
++
++ if (dynsym_shdr.sh_entsize != gelf_fsize (elf, ELF_T_SYM, 1, ehdr->e_version)
++ || dynsym_shdr.sh_size % dynsym_shdr.sh_entsize
++ || ver_shdr.sh_entsize != 2
++ || (ver_shdr.sh_size & 1)
++ || dynsym_shdr.sh_size / dynsym_shdr.sh_entsize != ver_shdr.sh_size / 2)
++ error (1, 0, "Unexpected sh_size or sh_entsize in %s", fname);
++
++ size_t nentries = ver_shdr.sh_size / 2;
++ size_t cnt;
++ GElf_Versym array[nentries];
++ for (cnt = 0; cnt < nentries; ++cnt)
++ {
++ GElf_Versym vsymmem;
++ GElf_Versym *vsym;
++
++ vsym = gelf_getversym (ver, cnt, &vsymmem);
++ if (vsym == NULL)
++ error (1, 0, "gelt_getversym failed in %s: %s", fname, elf_errmsg (-1));
++
++ array[cnt] = *vsym;
++ if (*vsym != from_idx)
++ continue;
++
++ GElf_Sym sym_mem;
++ GElf_Sym *sym;
++ sym = gelf_getsym (dynsym, cnt, &sym_mem);
++ if (sym == NULL)
++ error (1, 0, "gelt_getsym failed in %s: %s", fname, elf_errmsg (-1));
++
++ const char *name = elf_strptr (elf, dynsym_shdr.sh_link, sym->st_name);
++
++ int argn;
++ for (argn = 4; argn < argc; ++argn)
++ if (fnmatch (argv[argn], name, 0) == 0)
++ {
++ array[cnt] = to_idx;
++ break;
++ }
++ }
++
++ if (sizeof (array[0]) != 2)
++ abort ();
++
++#if __BYTE_ORDER == __LITTLE_ENDIAN
++ if (ehdr->e_ident[EI_DATA] == ELFDATA2LSB)
++ ;
++ else if (ehdr->e_ident[EI_DATA] == ELFDATA2MSB)
++#elif __BYTE_ORDER == __BIG_ENDIAN
++ if (ehdr->e_ident[EI_DATA] == ELFDATA2MSB)
++ ;
++ else if (ehdr->e_ident[EI_DATA] == ELFDATA2LSB)
++#else
++# error Unsupported endianity
++#endif
++ {
++ for (cnt = 0; cnt < nentries; ++cnt)
++ array[cnt] = ((array[cnt] & 0xff) << 8) | ((array[cnt] & 0xff00) >> 8);
++ }
++ else
++ error (1, 0, "Unknown EI_DATA %d in %s", ehdr->e_ident[EI_DATA], fname);
++
++ if (elf_end (elf) != 0)
++ error (1, 0, "couldn't close %s: %s", fname, elf_errmsg (-1));
++
++ if (lseek (fd, ver_shdr.sh_offset, SEEK_SET) != (off_t) ver_shdr.sh_offset)
++ error (1, 0, "failed to seek to %zd in %s", (size_t) ver_shdr.sh_offset,
++ fname);
++
++ if (write (fd, array, 2 * nentries) != (ssize_t) (2 * nentries))
++ error (1, 0, "failed to write .gnu.version section into %s", fname);
++
++ close (fd);
++ return 0;
++}
+Index: gcc/config/ia64/unwind-ia64.c
+===================================================================
+--- gcc/config/ia64/unwind-ia64.c.orig 2009-09-07 08:41:52.000000000 -0700
++++ gcc/config/ia64/unwind-ia64.c 2010-06-25 10:14:32.521880765 -0700
+@@ -48,6 +48,51 @@
+ #define MD_UNW_COMPATIBLE_PERSONALITY_P(HEADER) 1
+ #endif
+
++#if defined (USE_SYMVER_GLOBAL) && defined (SHARED)
++extern _Unwind_Reason_Code __symverglobal_Unwind_Backtrace
++ (_Unwind_Trace_Fn, void *);
++extern void __symverglobal_Unwind_DeleteException
++ (struct _Unwind_Exception *);
++extern void * __symverglobal_Unwind_FindEnclosingFunction (void *);
++extern _Unwind_Reason_Code __symverglobal_Unwind_ForcedUnwind
++ (struct _Unwind_Exception *, _Unwind_Stop_Fn, void *);
++extern _Unwind_Word __symverglobal_Unwind_GetCFA
++ (struct _Unwind_Context *);
++extern _Unwind_Word __symverglobal_Unwind_GetBSP
++ (struct _Unwind_Context *);
++extern _Unwind_Word __symverglobal_Unwind_GetGR
++ (struct _Unwind_Context *, int );
++extern _Unwind_Ptr __symverglobal_Unwind_GetIP (struct _Unwind_Context *);
++extern void *__symverglobal_Unwind_GetLanguageSpecificData
++ (struct _Unwind_Context *);
++extern _Unwind_Ptr __symverglobal_Unwind_GetRegionStart
++ (struct _Unwind_Context *);
++extern _Unwind_Reason_Code __symverglobal_Unwind_RaiseException
++ (struct _Unwind_Exception *);
++extern void __symverglobal_Unwind_Resume (struct _Unwind_Exception *);
++extern _Unwind_Reason_Code __symverglobal_Unwind_Resume_or_Rethrow
++ (struct _Unwind_Exception *);
++extern void __symverglobal_Unwind_SetGR
++ (struct _Unwind_Context *, int, _Unwind_Word);
++extern void __symverglobal_Unwind_SetIP
++ (struct _Unwind_Context *, _Unwind_Ptr);
++#define _Unwind_Backtrace __symverglobal_Unwind_Backtrace
++#define _Unwind_DeleteException __symverglobal_Unwind_DeleteException
++#define _Unwind_FindEnclosingFunction __symverglobal_Unwind_FindEnclosingFunction
++#define _Unwind_ForcedUnwind __symverglobal_Unwind_ForcedUnwind
++#define _Unwind_GetBSP __symverglobal_Unwind_GetBSP
++#define _Unwind_GetCFA __symverglobal_Unwind_GetCFA
++#define _Unwind_GetGR __symverglobal_Unwind_GetGR
++#define _Unwind_GetIP __symverglobal_Unwind_GetIP
++#define _Unwind_GetLanguageSpecificData __symverglobal_Unwind_GetLanguageSpecificData
++#define _Unwind_GetRegionStart __symverglobal_Unwind_GetRegionStart
++#define _Unwind_RaiseException __symverglobal_Unwind_RaiseException
++#define _Unwind_Resume __symverglobal_Unwind_Resume
++#define _Unwind_Resume_or_Rethrow __symverglobal_Unwind_Resume_or_Rethrow
++#define _Unwind_SetGR __symverglobal_Unwind_SetGR
++#define _Unwind_SetIP __symverglobal_Unwind_SetIP
++#endif
++
+ enum unw_application_register
+ {
+ UNW_AR_BSP,
+@@ -2457,4 +2502,44 @@
+ alias (_Unwind_SetIP);
+ #endif
+
++#if defined (USE_SYMVER_GLOBAL) && defined (SHARED)
++#undef alias
++#define symverglobal(name, version) \
++__typeof (__symverglobal##name) __symverlocal##name \
++ __attribute__ ((alias ("__symverglobal" #name))); \
++__asm__ (".symver __symverglobal" #name"," #name "@@GCC_3.4.2");\
++__asm__ (".symver __symverlocal" #name"," #name "@" #version)
++
++#undef _Unwind_Backtrace
++#undef _Unwind_DeleteException
++#undef _Unwind_FindEnclosingFunction
++#undef _Unwind_ForcedUnwind
++#undef _Unwind_GetBSP
++#undef _Unwind_GetCFA
++#undef _Unwind_GetGR
++#undef _Unwind_GetIP
++#undef _Unwind_GetLanguageSpecificData
++#undef _Unwind_GetRegionStart
++#undef _Unwind_RaiseException
++#undef _Unwind_Resume
++#undef _Unwind_Resume_or_Rethrow
++#undef _Unwind_SetGR
++#undef _Unwind_SetIP
++symverglobal (_Unwind_Backtrace, GCC_3.3);
++symverglobal (_Unwind_DeleteException, GCC_3.0);
++symverglobal (_Unwind_FindEnclosingFunction, GCC_3.3);
++symverglobal (_Unwind_ForcedUnwind, GCC_3.0);
++symverglobal (_Unwind_GetBSP, GCC_3.3.2);
++symverglobal (_Unwind_GetCFA, GCC_3.3);
++symverglobal (_Unwind_GetGR, GCC_3.0);
++symverglobal (_Unwind_GetIP, GCC_3.0);
++symverglobal (_Unwind_GetLanguageSpecificData, GCC_3.0);
++symverglobal (_Unwind_GetRegionStart, GCC_3.0);
++symverglobal (_Unwind_RaiseException, GCC_3.0);
++symverglobal (_Unwind_Resume, GCC_3.0);
++symverglobal (_Unwind_Resume_or_Rethrow, GCC_3.3);
++symverglobal (_Unwind_SetGR, GCC_3.0);
++symverglobal (_Unwind_SetIP, GCC_3.0);
++#endif
++
+ #endif
+Index: gcc/config/ia64/mkmap-symver-multi.awk
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ gcc/config/ia64/mkmap-symver-multi.awk 2010-06-25 10:14:32.521880765 -0700
+@@ -0,0 +1,133 @@
++# Generate an ELF symbol version map a-la Solaris and GNU ld.
++# Contributed by Richard Henderson <rth@cygnus.com>
++#
++# 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 2, 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.
++#
++# You should have received a copy of the GNU General Public License
++# along with GCC; see the file COPYING. If not, write to the Free
++# Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
++# 02110-1301, USA.
++
++BEGIN {
++ state = "nm";
++ sawsymbol = 0;
++}
++
++# Remove comment and blank lines.
++/^ *#/ || /^ *$/ {
++ next;
++}
++
++# We begin with nm input. Collect the set of symbols that are present
++# so that we can not emit them into the final version script -- Solaris
++# complains at us if we do.
++
++state == "nm" && /^%%/ {
++ state = "ver";
++ next;
++}
++
++state == "nm" && ($1 == "U" || $2 == "U") {
++ next;
++}
++
++state == "nm" && NF == 3 {
++ if ($3 ~ /^[^@]*@GCC_[0-9.]*$/) {
++ def[$3] = 1
++ tl=$3
++ sub(/^.*@/,"",tl)
++ ver[$3] = tl
++ } else {
++ sub(/@@?GCC_[0-9.]*$/,"",$3)
++ def[$3] = 1;
++ }
++ sawsymbol = 1;
++ next;
++}
++
++state == "nm" {
++ next;
++}
++
++# Now we process a simplified variant of the Solaris symbol version
++# script. We have one symbol per line, no semicolons, simple markers
++# for beginning and ending each section, and %inherit markers for
++# describing version inheritence. A symbol may appear in more than
++# one symbol version, and the last seen takes effect.
++
++NF == 3 && $1 == "%inherit" {
++ inherit[$2] = $3;
++ next;
++}
++
++NF == 2 && $2 == "{" {
++ libs[$1] = 1;
++ thislib = $1;
++ next;
++}
++
++$1 == "}" {
++ thislib = "";
++ next;
++}
++
++{
++ ver[$1] = thislib;
++ next;
++}
++
++END {
++ if (!sawsymbol)
++ {
++ print "No symbols seen -- broken or mis-installed nm?" | "cat 1>&2";
++ exit 1;
++ }
++ for (l in libs)
++ output(l);
++}
++
++function output(lib) {
++ if (done[lib])
++ return;
++ done[lib] = 1;
++ if (inherit[lib])
++ output(inherit[lib]);
++
++ empty=1
++ for (sym in ver)
++ if ((ver[sym] == lib) && (sym in def))
++ {
++ if (empty)
++ {
++ printf("%s {\n", lib);
++ printf(" global:\n");
++ empty = 0;
++ }
++ symp = sym;
++ sub(/@GCC_[0-9.]*$/,"",symp);
++ printf("\t%s;\n", symp);
++ if (dotsyms)
++ printf("\t.%s;\n", symp);
++ }
++
++ if (empty)
++ {
++ for (l in libs)
++ if (inherit[l] == lib)
++ inherit[l] = inherit[lib];
++ }
++ else if (inherit[lib])
++ printf("} %s;\n", inherit[lib]);
++ else
++ printf ("\n local:\n\t*;\n};\n");
++}
+Index: gcc/config/ia64/libgcc-ia64-no-libunwind.ver
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ gcc/config/ia64/libgcc-ia64-no-libunwind.ver 2010-06-25 10:14:32.525880902 -0700
+@@ -0,0 +1,17 @@
++GCC_3.4.2 {
++ _Unwind_GetGR
++ _Unwind_RaiseException
++ _Unwind_GetRegionStart
++ _Unwind_SetIP
++ _Unwind_GetIP
++ _Unwind_GetLanguageSpecificData
++ _Unwind_Resume
++ _Unwind_DeleteException
++ _Unwind_SetGR
++ _Unwind_ForcedUnwind
++ _Unwind_Backtrace
++ _Unwind_FindEnclosingFunction
++ _Unwind_GetCFA
++ _Unwind_Resume_or_Rethrow
++ _Unwind_GetBSP
++}
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-java-debug-iface-type.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-java-debug-iface-type.patch
new file mode 100644
index 0000000000..de14a50018
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-java-debug-iface-type.patch
@@ -0,0 +1,19 @@
+2008-01-25 Jakub Jelinek <jakub@redhat.com>
+
+ * lang.c (java_classify_record): Revert 2007-12-20 change.
+
+Index: gcc/java/lang.c
+===================================================================
+--- gcc/java/lang.c.orig 2010-01-20 00:17:00.000000000 -0800
++++ gcc/java/lang.c 2010-06-25 10:28:46.569383189 -0700
+@@ -881,9 +881,7 @@
+ if (! CLASS_P (type))
+ return RECORD_IS_STRUCT;
+
+- /* ??? GDB does not support DW_TAG_interface_type as of December,
+- 2007. Re-enable this at a later time. */
+- if (0 && CLASS_INTERFACE (TYPE_NAME (type)))
++ if (CLASS_INTERFACE (TYPE_NAME (type)))
+ return RECORD_IS_INTERFACE;
+
+ return RECORD_IS_CLASS;
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-java-nomulti.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-java-nomulti.patch
new file mode 100644
index 0000000000..3cb10f3c23
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-java-nomulti.patch
@@ -0,0 +1,48 @@
+Index: libjava/configure.ac
+===================================================================
+--- libjava/configure.ac.orig 2010-03-21 12:41:37.000000000 -0700
++++ libjava/configure.ac 2010-06-25 10:17:47.489886278 -0700
+@@ -139,6 +139,13 @@
+ [allow rebuilding of .class and .h files]))
+ AM_CONDITIONAL(JAVA_MAINTAINER_MODE, test "$enable_java_maintainer_mode" = yes)
+
++AC_ARG_ENABLE(libjava-multilib,
++ AS_HELP_STRING([--enable-libjava-multilib], [build libjava as multilib]))
++if test "$enable_libjava_multilib" = no; then
++ multilib=no
++ ac_configure_args="$ac_configure_args --disable-multilib"
++fi
++
+ # It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.
+ GCC_NO_EXECUTABLES
+
+Index: libjava/configure
+===================================================================
+--- libjava/configure.orig 2010-04-02 11:18:06.000000000 -0700
++++ libjava/configure 2010-06-25 10:17:47.516381209 -0700
+@@ -1609,6 +1609,8 @@
+ default=yes
+ --enable-java-maintainer-mode
+ allow rebuilding of .class and .h files
++ --enable-libjava-multilib
++ build libjava as multilib
+ --disable-dependency-tracking speeds up one-time build
+ --enable-dependency-tracking do not reject slow dependency extractors
+ --enable-maintainer-mode enable make rules and dependencies not useful
+@@ -3346,6 +3348,16 @@
+ fi
+
+
++# Check whether --enable-libjava-multilib was given.
++if test "${enable_libjava_multilib+set}" = set; then
++ enableval=$enable_libjava_multilib;
++fi
++
++if test "$enable_libjava_multilib" = no; then
++ multilib=no
++ ac_configure_args="$ac_configure_args --disable-multilib"
++fi
++
+ # It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.
+
+
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-libgomp-speedup.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-libgomp-speedup.patch
new file mode 100644
index 0000000000..da85e556ec
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-libgomp-speedup.patch
@@ -0,0 +1,2797 @@
+2008-03-28 Jakub Jelinek <jakub@redhat.com>
+
+ * config/linux/sparc/futex.h (atomic_write_barrier): Fix membar
+ argument.
+
+2008-03-27 Jakub Jelinek <jakub@redhat.com>
+
+ * libgomp.h (struct gomp_team_state): Remove single_count field
+ ifndef HAVE_SYNC_BUILTINS.
+ (struct gomp_team): Likewise. Add work_share_list_free_lock
+ ifndef HAVE_SYNC_BUILTINS.
+ * team.c (gomp_new_team): If HAVE_SYNC_BUILTINS is not defined,
+ don't initialize single_count, but instead initialize
+ work_share_list_free_lock.
+ (free_team): Destroy work_share_list_free_lock ifndef
+ HAVE_SYNC_BUILTINS.
+ (gomp_team_start): Don't initialize ts.single_count ifndef
+ HAVE_SYNC_BUILTINS.
+ * work.c (alloc_work_share, free_work_share): Use
+ work_share_list_free_lock instead of atomic chaining ifndef
+ HAVE_SYNC_BUILTINS.
+
+2008-03-26 Jakub Jelinek <jakub@redhat.com>
+
+ * loop.c (gomp_loop_init): Fix GFS_DYNAMIC ws->mode setting.
+ * testsuite/libgomp.c/loop-4.c: New test.
+
+ * libgomp.h (struct gomp_team_state): Add single_count field.
+ (struct gomp_team): Likewise.
+ * team.c (gomp_new_team): Clear single_count.
+ (gomp_team_start): Likewise.
+ * single.c (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS.
+
+2008-03-25 Jakub Jelinek <jakub@redhat.com>
+
+ * team.c (gomp_thread_start): Don't clear ts.static_trip here.
+ * loop.c (gomp_loop_static_start, gomp_loop_dynamic_start): Clear
+ ts.static_trip here.
+ * work.c (gomp_work_share_start): Don't clear ts.static_trip here.
+
+2008-03-21 Jakub Jelinek <jakub@redhat.com>
+
+ * libgomp.h: Include ptrlock.h.
+ (struct gomp_work_share): Reshuffle fields. Add next_alloc,
+ next_ws, next_free and inline_ordered_team_ids fields, change
+ ordered_team_ids into pointer from flexible array member.
+ (struct gomp_team_state): Add last_work_share field, remove
+ work_share_generation.
+ (struct gomp_team): Remove work_share_lock, generation_mask,
+ oldest_live_gen, num_live_gen and init_work_shares fields, add
+ work work_share_list_alloc, work_share_list_free and work_share_chunk
+ fields. Change work_shares from pointer to pointers into an array.
+ (gomp_new_team): New prototype.
+ (gomp_team_start): Change type of last argument.
+ (gomp_new_work_share): Removed.
+ (gomp_init_work_share, gomp_fini_work_share): New prototypes.
+ (gomp_work_share_init_done): New static inline.
+ * team.c (gomp_thread_start): Clear ts.last_work_share, don't clear
+ ts.work_share_generation.
+ (new_team): Removed.
+ (gomp_new_team): New function.
+ (free_team): Free gomp_work_share blocks chained through next_alloc,
+ instead of freeing work_shares and destroying work_share_lock.
+ (gomp_team_start): Change last argument from ws to team, don't create
+ new team, set ts.work_share to &team->work_shares[0] and clear
+ ts.last_work_share. Don't clear ts.work_share_generation.
+ (gomp_team_end): Call gomp_fini_work_share.
+ * work.c (gomp_new_work_share): Removed.
+ (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New
+ functions.
+ (free_work_share): Add team argument. Call gomp_fini_work_share
+ and then either free ws if orphaned, or put it into
+ work_share_list_free list of the current team.
+ (gomp_work_share_start, gomp_work_share_end,
+ gomp_work_share_end_nowait): Rewritten.
+ * sections.c (GOMP_sections_start): Call gomp_work_share_init_done
+ after gomp_sections_init. If HAVE_SYNC_BUILTINS, call
+ gomp_iter_dynamic_next instead of the _locked variant and don't take
+ lock around it, otherwise acquire it before calling
+ gomp_iter_dynamic_next_locked.
+ (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call
+ gomp_iter_dynamic_next instead of the _locked variant and don't take
+ lock around it.
+ (GOMP_parallel_sections_start): Call gomp_new_team instead of
+ gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0].
+ Adjust gomp_team_start caller.
+ * loop.c (gomp_loop_static_start, gomp_loop_ordered_static_start): Call
+ gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock.
+ (gomp_loop_dynamic_start, gomp_loop_guided_start): Call
+ gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS,
+ don't unlock ws->lock, otherwise lock it.
+ (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call
+ gomp_work_share_init_done after gomp_loop_init. Lock ws->lock.
+ (gomp_parallel_loop_start): Call gomp_new_team instead of
+ gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0].
+ Adjust gomp_team_start caller.
+ * single.c (GOMP_single_start, GOMP_single_copy_start): Call
+ gomp_work_share_init_done if gomp_work_share_start returned true.
+ Don't unlock ws->lock.
+ * parallel.c (GOMP_parallel_start): Call gomp_new_team and pass that
+ as last argument to gomp_team_start.
+ * config/linux/ptrlock.c: New file.
+ * config/linux/ptrlock.h: New file.
+ * config/posix/ptrlock.c: New file.
+ * config/posix/ptrlock.h: New file.
+ * Makefile.am (libgomp_la_SOURCES): Add ptrlock.c.
+ * Makefile.in: Regenerated.
+ * testsuite/Makefile.in: Regenerated.
+
+2008-03-19 Jakub Jelinek <jakub@redhat.com>
+
+ * libgomp.h (gomp_active_wait_policy): Remove decl.
+ (gomp_throttled_spin_count_var, gomp_available_cpus,
+ gomp_managed_threads): New extern decls.
+ * team.c (gomp_team_start, gomp_team_end): If number of threads
+ changed, adjust atomically gomp_managed_threads.
+ * env.c (gomp_active_wait_policy, gomp_block_time_var): Remove.
+ (gomp_throttled_spin_count_var, gomp_available_cpus,
+ gomp_managed_threads): New variables.
+ (parse_millis): Removed.
+ (parse_spincount): New function.
+ (parse_wait_policy): Return -1/0/1 instead of setting
+ gomp_active_wait_policy.
+ (initialize_env): Call gomp_init_num_threads unconditionally.
+ Initialize gomp_available_cpus. Call parse_spincount instead
+ of parse_millis, initialize gomp_{,throttled_}spin_count_var
+ depending on presence and value of OMP_WAIT_POLICY and
+ GOMP_SPINCOUNT env vars.
+ * config/linux/wait.h (do_wait): Use gomp_throttled_spin_count_var
+ instead of gomp_spin_count_var if gomp_managed_threads >
+ gomp_available_cpus.
+
+ * config/linux/wait.h: Include errno.h.
+ (FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG): Define.
+ (gomp_futex_wake, gomp_futex_wait): New extern decls.
+ * config/linux/mutex.c (gomp_futex_wake, gomp_futex_wait): New
+ variables.
+ * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove.
+ (sys_futex0): Return error code.
+ (futex_wake, futex_wait): If ENOSYS was returned, clear
+ FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry.
+ * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove.
+ (futex_wake, futex_wait): If ENOSYS was returned, clear
+ FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry.
+ * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove.
+ (sys_futex0): Return error code.
+ (futex_wake, futex_wait): If ENOSYS was returned, clear
+ FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry.
+ * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove.
+ (sys_futex0): Return error code.
+ (futex_wake, futex_wait): If ENOSYS was returned, clear
+ FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry.
+ * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove.
+ (sys_futex0): Return error code.
+ (futex_wake, futex_wait): If ENOSYS was returned, clear
+ FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry.
+ * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove.
+ (sys_futex0): Return error code.
+ (futex_wake, futex_wait): If ENOSYS was returned, clear
+ FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry.
+
+2008-03-18 Jakub Jelinek <jakub@redhat.com>
+
+ * libgomp.h (struct gomp_work_share): Add mode field. Put lock and
+ next into a different cache line from most of the write-once fields.
+ * loop.c: Include limits.h.
+ (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr.
+ If adding ws->chunk_size nthreads + 1 times after end won't
+ overflow, set ws->mode to 1.
+ * iter.c (gomp_iter_dynamic_next_locked): Don't multiply
+ ws->chunk_size by incr.
+ (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient
+ code.
+ * work.c: Include stddef.h.
+ (gomp_new_work_share): Use offsetof rather than sizeof.
+
+2008-03-17 Jakub Jelinek <jakub@redhat.com>
+
+ * libgomp.h (struct gomp_team): Change ordered_release field
+ into gomp_sem_t ** from flexible array member. Add implicit_task
+ and initial_work_shares fields.
+ (gomp_new_task): Removed.
+ (gomp_init_task): New prototype.
+ * team.c (new_team): Allocate implicit_task for each thread
+ and initial work_shares together with gomp_team allocation.
+ (free_team): Only free work_shares if it is not init_work_shares.
+ (gomp_team_start): Use gomp_init_task instead of gomp_new_task,
+ set thr->task to the corresponding implicit_task array entry.
+ * task.c (gomp_new_task): Removed.
+ (gomp_init_task): New function.
+ (gomp_end_task): Don't free the task.
+ (GOMP_task): Allocate struct gomp_task on the stack, call
+ gomp_init_task rather than gomp_new_task.
+ * work.c (gomp_work_share_start): If work_shares ==
+ init_work_shares, gomp_malloc + memcpy rather than gomp_realloc.
+
+2008-03-15 Jakub Jelinek <jakub@redhat.com>
+ Ulrich Drepper <drepper@redhat.com>
+
+ * config/linux/bar.h (gomp_barrier_state_t): Rewritten.
+ (gomp_barrier_state_t): Change to unsigned int.
+ (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy,
+ gomp_barrier_wait_start, gomp_barrier_last_thread): Rewritten.
+ (gomp_barrier_wait_last): Prototype rather than inline.
+ * config/linux/bar.c (gomp_barrier_wait_end): Rewritten.
+ (gomp_barrier_wait_last): New function.
+
+2008-03-15 Jakub Jelinek <jakub@redhat.com>
+
+ * team.c (gomp_thread_start): Use gomp_barrier_wait_last instead
+ of gomp_barrier_wait.
+ * env.c (gomp_block_time_var, gomp_spin_count_var): New variables.
+ (parse_millis): New function.
+ (initialize_env): Handle GOMP_BLOCKTIME env var.
+ * libgomp.h (struct gomp_team): Move close to the end of the struct.
+ (gomp_spin_count_var): New extern var decl.
+ * work.c (gomp_work_share_end): Use gomp_barrier_state_t bstate
+ var instead of bool last, call gomp_barrier_last_thread to check
+ for last thread, pass bstate to gomp_barrier_wait_end.
+ * config/linux/wait.h: New file.
+ * config/linux/mutex.c: Include wait.h instead of libgomp.h and
+ futex.h.
+ (gomp_mutex_lock_slow): Call do_wait instead of futex_wait.
+ * config/linux/bar.c: Include wait.h instead of libgomp.h and
+ futex.h.
+ (gomp_barrier_wait_end): Change second argument to
+ gomp_barrier_state_t. Call do_wait instead of futex_wait.
+ * config/linux/sem.c: Include wait.h instead of libgomp.h and
+ futex.h.
+ (gomp_sem_wait_slow): Call do_wait instead of futex_wait.
+ * config/linux/lock.c: Include wait.h instead of libgomp.h and
+ futex.h.
+ (gomp_set_nest_lock_25): Call do_wait instead of futex_wait.
+ * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS.
+ * config/linux/bar.h (gomp_barrier_state_t): New typedef.
+ (gomp_barrier_wait_end): Change second argument to
+ gomp_barrier_state_t.
+ (gomp_barrier_wait_start): Return gomp_barrier_state_t.
+ (gomp_barrier_last_thread, gomp_barrier_wait_last): New static
+ inlines.
+ * config/linux/powerpc/futex.h (cpu_relax, atomic_write_barrier): New
+ static inlines.
+ * config/linux/alpha/futex.h (cpu_relax, atomic_write_barrier):
+ Likewise.
+ * config/linux/x86/futex.h (cpu_relax, atomic_write_barrier):
+ Likewise.
+ * config/linux/s390/futex.h (cpu_relax, atomic_write_barrier):
+ Likewise.
+ * config/linux/ia64/futex.h (cpu_relax, atomic_write_barrier):
+ Likewise.
+ * config/linux/sparc/futex.h (cpu_relax, atomic_write_barrier):
+ Likewise.
+ * config/posix/bar.c (gomp_barrier_wait_end): Change second argument
+ to gomp_barrier_state_t.
+ * config/posix/bar.h (gomp_barrier_state_t): New typedef.
+ (gomp_barrier_wait_end): Change second argument to
+ gomp_barrier_state_t.
+ (gomp_barrier_wait_start): Return gomp_barrier_state_t.
+ (gomp_barrier_last_thread, gomp_barrier_wait_last): New static
+ inlines.
+
+--- libgomp/parallel.c.jj 2007-12-07 14:41:01.000000000 +0100
++++ libgomp/parallel.c 2008-03-26 15:32:06.000000000 +0100
+@@ -68,7 +68,7 @@ void
+ GOMP_parallel_start (void (*fn) (void *), void *data, unsigned num_threads)
+ {
+ num_threads = gomp_resolve_num_threads (num_threads);
+- gomp_team_start (fn, data, num_threads, NULL);
++ gomp_team_start (fn, data, num_threads, gomp_new_team (num_threads));
+ }
+
+ void
+--- libgomp/sections.c.jj 2007-12-07 14:41:01.000000000 +0100
++++ libgomp/sections.c 2008-03-26 15:33:06.000000000 +0100
+@@ -59,14 +59,24 @@ GOMP_sections_start (unsigned count)
+ long s, e, ret;
+
+ if (gomp_work_share_start (false))
+- gomp_sections_init (thr->ts.work_share, count);
++ {
++ gomp_sections_init (thr->ts.work_share, count);
++ gomp_work_share_init_done ();
++ }
+
++#ifdef HAVE_SYNC_BUILTINS
++ if (gomp_iter_dynamic_next (&s, &e))
++ ret = s;
++ else
++ ret = 0;
++#else
++ gomp_mutex_lock (&thr->ts.work_share->lock);
+ if (gomp_iter_dynamic_next_locked (&s, &e))
+ ret = s;
+ else
+ ret = 0;
+-
+ gomp_mutex_unlock (&thr->ts.work_share->lock);
++#endif
+
+ return ret;
+ }
+@@ -83,15 +93,23 @@ GOMP_sections_start (unsigned count)
+ unsigned
+ GOMP_sections_next (void)
+ {
+- struct gomp_thread *thr = gomp_thread ();
+ long s, e, ret;
+
++#ifdef HAVE_SYNC_BUILTINS
++ if (gomp_iter_dynamic_next (&s, &e))
++ ret = s;
++ else
++ ret = 0;
++#else
++ struct gomp_thread *thr = gomp_thread ();
++
+ gomp_mutex_lock (&thr->ts.work_share->lock);
+ if (gomp_iter_dynamic_next_locked (&s, &e))
+ ret = s;
+ else
+ ret = 0;
+ gomp_mutex_unlock (&thr->ts.work_share->lock);
++#endif
+
+ return ret;
+ }
+@@ -103,15 +121,15 @@ void
+ GOMP_parallel_sections_start (void (*fn) (void *), void *data,
+ unsigned num_threads, unsigned count)
+ {
+- struct gomp_work_share *ws;
++ struct gomp_team *team;
+
+ num_threads = gomp_resolve_num_threads (num_threads);
+ if (gomp_dyn_var && num_threads > count)
+ num_threads = count;
+
+- ws = gomp_new_work_share (false, num_threads);
+- gomp_sections_init (ws, count);
+- gomp_team_start (fn, data, num_threads, ws);
++ team = gomp_new_team (num_threads);
++ gomp_sections_init (&team->work_shares[0], count);
++ gomp_team_start (fn, data, num_threads, team);
+ }
+
+ /* The GOMP_section_end* routines are called after the thread is told
+--- libgomp/env.c.jj 2007-12-07 14:41:01.000000000 +0100
++++ libgomp/env.c 2008-03-26 16:40:26.000000000 +0100
+@@ -44,6 +44,11 @@ enum gomp_schedule_type gomp_run_sched_v
+ unsigned long gomp_run_sched_chunk = 1;
+ unsigned short *gomp_cpu_affinity;
+ size_t gomp_cpu_affinity_len;
++#ifndef HAVE_SYNC_BUILTINS
++gomp_mutex_t gomp_remaining_threads_lock;
++#endif
++unsigned long gomp_available_cpus = 1, gomp_managed_threads = 1;
++unsigned long long gomp_spin_count_var, gomp_throttled_spin_count_var;
+
+ /* Parse the OMP_SCHEDULE environment variable. */
+
+@@ -147,6 +152,79 @@ parse_unsigned_long (const char *name, u
+ return false;
+ }
+
++/* Parse the GOMP_SPINCOUNT environment varible. Return true if one was
++ present and it was successfully parsed. */
++
++static bool
++parse_spincount (const char *name, unsigned long long *pvalue)
++{
++ char *env, *end;
++ unsigned long long value, mult = 1;
++
++ env = getenv (name);
++ if (env == NULL)
++ return false;
++
++ while (isspace ((unsigned char) *env))
++ ++env;
++ if (*env == '\0')
++ goto invalid;
++
++ if (strncasecmp (env, "infinite", 8) == 0
++ || strncasecmp (env, "infinity", 8) == 0)
++ {
++ value = ~0ULL;
++ end = env + 8;
++ goto check_tail;
++ }
++
++ errno = 0;
++ value = strtoull (env, &end, 10);
++ if (errno)
++ goto invalid;
++
++ while (isspace ((unsigned char) *end))
++ ++end;
++ if (*end != '\0')
++ {
++ switch (tolower (*end))
++ {
++ case 'k':
++ mult = 1000LL;
++ break;
++ case 'm':
++ mult = 1000LL * 1000LL;
++ break;
++ case 'g':
++ mult = 1000LL * 1000LL * 1000LL;
++ break;
++ case 't':
++ mult = 1000LL * 1000LL * 1000LL * 1000LL;
++ break;
++ default:
++ goto invalid;
++ }
++ ++end;
++ check_tail:
++ while (isspace ((unsigned char) *end))
++ ++end;
++ if (*end != '\0')
++ goto invalid;
++ }
++
++ if (value > ~0ULL / mult)
++ value = ~0ULL;
++ else
++ value *= mult;
++
++ *pvalue = value;
++ return true;
++
++ invalid:
++ gomp_error ("Invalid value for environment variable %s", name);
++ return false;
++}
++
+ /* Parse a boolean value for environment variable NAME and store the
+ result in VALUE. */
+
+@@ -281,10 +359,25 @@ initialize_env (void)
+ parse_schedule ();
+ parse_boolean ("OMP_DYNAMIC", &gomp_dyn_var);
+ parse_boolean ("OMP_NESTED", &gomp_nest_var);
++ gomp_init_num_threads ();
++ gomp_available_cpus = gomp_nthreads_var;
+ if (!parse_unsigned_long ("OMP_NUM_THREADS", &gomp_nthreads_var))
+- gomp_init_num_threads ();
++ gomp_nthreads_var = gomp_available_cpus;
+ if (parse_affinity ())
+ gomp_init_affinity ();
++ if (!parse_spincount ("GOMP_SPINCOUNT", &gomp_spin_count_var))
++ {
++ /* Using a rough estimation of 100000 spins per msec,
++ use 200 msec blocking.
++ Depending on the CPU speed, this can be e.g. 5 times longer
++ or 5 times shorter. */
++ gomp_spin_count_var = 20000000LL;
++ }
++ /* gomp_throttled_spin_count_var is used when there are more libgomp
++ managed threads than available CPUs. Use very short spinning. */
++ gomp_throttled_spin_count_var = 100LL;
++ if (gomp_throttled_spin_count_var > gomp_spin_count_var)
++ gomp_throttled_spin_count_var = gomp_spin_count_var;
+
+ /* Not strictly environment related, but ordering constructors is tricky. */
+ pthread_attr_init (&gomp_thread_attr);
+--- libgomp/libgomp.h.jj 2007-12-07 14:41:01.000000000 +0100
++++ libgomp/libgomp.h 2008-03-27 12:21:51.000000000 +0100
+@@ -50,6 +50,7 @@
+ #include "sem.h"
+ #include "mutex.h"
+ #include "bar.h"
++#include "ptrlock.h"
+
+
+ /* This structure contains the data to control one work-sharing construct,
+@@ -70,6 +71,8 @@ struct gomp_work_share
+ If this is a SECTIONS construct, this value will always be DYNAMIC. */
+ enum gomp_schedule_type sched;
+
++ int mode;
++
+ /* This is the chunk_size argument to the SCHEDULE clause. */
+ long chunk_size;
+
+@@ -81,17 +84,38 @@ struct gomp_work_share
+ is always 1. */
+ long incr;
+
+- /* This lock protects the update of the following members. */
+- gomp_mutex_t lock;
++ /* This is a circular queue that details which threads will be allowed
++ into the ordered region and in which order. When a thread allocates
++ iterations on which it is going to work, it also registers itself at
++ the end of the array. When a thread reaches the ordered region, it
++ checks to see if it is the one at the head of the queue. If not, it
++ blocks on its RELEASE semaphore. */
++ unsigned *ordered_team_ids;
+
+- union {
+- /* This is the next iteration value to be allocated. In the case of
+- GFS_STATIC loops, this the iteration start point and never changes. */
+- long next;
++ /* This is the number of threads that have registered themselves in
++ the circular queue ordered_team_ids. */
++ unsigned ordered_num_used;
+
+- /* This is the returned data structure for SINGLE COPYPRIVATE. */
+- void *copyprivate;
+- };
++ /* This is the team_id of the currently acknowledged owner of the ordered
++ section, or -1u if the ordered section has not been acknowledged by
++ any thread. This is distinguished from the thread that is *allowed*
++ to take the section next. */
++ unsigned ordered_owner;
++
++ /* This is the index into the circular queue ordered_team_ids of the
++ current thread that's allowed into the ordered reason. */
++ unsigned ordered_cur;
++
++ /* This is a chain of allocated gomp_work_share blocks, valid only
++ in the first gomp_work_share struct in the block. */
++ struct gomp_work_share *next_alloc;
++
++ /* The above fields are written once during workshare initialization,
++ or related to ordered worksharing. Make sure the following fields
++ are in a different cache line. */
++
++ /* This lock protects the update of the following members. */
++ gomp_mutex_t lock __attribute__((aligned (64)));
+
+ /* This is the count of the number of threads that have exited the work
+ share construct. If the construct was marked nowait, they have moved on
+@@ -99,27 +123,28 @@ struct gomp_work_share
+ of the team to exit the work share construct must deallocate it. */
+ unsigned threads_completed;
+
+- /* This is the index into the circular queue ordered_team_ids of the
+- current thread that's allowed into the ordered reason. */
+- unsigned ordered_cur;
++ union {
++ /* This is the next iteration value to be allocated. In the case of
++ GFS_STATIC loops, this the iteration start point and never changes. */
++ long next;
+
+- /* This is the number of threads that have registered themselves in
+- the circular queue ordered_team_ids. */
+- unsigned ordered_num_used;
++ /* This is the returned data structure for SINGLE COPYPRIVATE. */
++ void *copyprivate;
++ };
+
+- /* This is the team_id of the currently acknoledged owner of the ordered
+- section, or -1u if the ordered section has not been acknowledged by
+- any thread. This is distinguished from the thread that is *allowed*
+- to take the section next. */
+- unsigned ordered_owner;
++ union {
++ /* Link to gomp_work_share struct for next work sharing construct
++ encountered after this one. */
++ gomp_ptrlock_t next_ws;
++
++ /* gomp_work_share structs are chained in the free work share cache
++ through this. */
++ struct gomp_work_share *next_free;
++ };
+
+- /* This is a circular queue that details which threads will be allowed
+- into the ordered region and in which order. When a thread allocates
+- iterations on which it is going to work, it also registers itself at
+- the end of the array. When a thread reaches the ordered region, it
+- checks to see if it is the one at the head of the queue. If not, it
+- blocks on its RELEASE semaphore. */
+- unsigned ordered_team_ids[];
++ /* If only few threads are in the team, ordered_team_ids can point
++ to this array which fills the padding at the end of this struct. */
++ unsigned inline_ordered_team_ids[0];
+ };
+
+ /* This structure contains all of the thread-local data associated with
+@@ -133,21 +158,24 @@ struct gomp_team_state
+
+ /* This is the work share construct which this thread is currently
+ processing. Recall that with NOWAIT, not all threads may be
+- processing the same construct. This value is NULL when there
+- is no construct being processed. */
++ processing the same construct. */
+ struct gomp_work_share *work_share;
+
++ /* This is the previous work share construct or NULL if there wasn't any.
++ When all threads are done with the current work sharing construct,
++ the previous one can be freed. The current one can't, as its
++ next_ws field is used. */
++ struct gomp_work_share *last_work_share;
++
+ /* This is the ID of this thread within the team. This value is
+ guaranteed to be between 0 and N-1, where N is the number of
+ threads in the team. */
+ unsigned team_id;
+
+- /* The work share "generation" is a number that increases by one for
+- each work share construct encountered in the dynamic flow of the
+- program. It is used to find the control data for the work share
+- when encountering it for the first time. This particular number
+- reflects the generation of the work_share member of this struct. */
+- unsigned work_share_generation;
++#ifdef HAVE_SYNC_BUILTINS
++ /* Number of single stmts encountered. */
++ unsigned long single_count;
++#endif
+
+ /* For GFS_RUNTIME loops that resolved to GFS_STATIC, this is the
+ trip number through the loop. So first time a particular loop
+@@ -163,41 +191,53 @@ struct gomp_team_state
+
+ struct gomp_team
+ {
+- /* This lock protects access to the following work shares data structures. */
+- gomp_mutex_t work_share_lock;
+-
+- /* This is a dynamically sized array containing pointers to the control
+- structs for all "live" work share constructs. Here "live" means that
+- the construct has been encountered by at least one thread, and not
+- completed by all threads. */
+- struct gomp_work_share **work_shares;
+-
+- /* The work_shares array is indexed by "generation & generation_mask".
+- The mask will be 2**N - 1, where 2**N is the size of the array. */
+- unsigned generation_mask;
+-
+- /* These two values define the bounds of the elements of the work_shares
+- array that are currently in use. */
+- unsigned oldest_live_gen;
+- unsigned num_live_gen;
+-
+ /* This is the number of threads in the current team. */
+ unsigned nthreads;
+
++ /* This is number of gomp_work_share structs that have been allocated
++ as a block last time. */
++ unsigned work_share_chunk;
++
+ /* This is the saved team state that applied to a master thread before
+ the current thread was created. */
+ struct gomp_team_state prev_ts;
+
+- /* This barrier is used for most synchronization of the team. */
+- gomp_barrier_t barrier;
+-
+ /* This semaphore should be used by the master thread instead of its
+ "native" semaphore in the thread structure. Required for nested
+ parallels, as the master is a member of two teams. */
+ gomp_sem_t master_release;
+
+- /* This array contains pointers to the release semaphore of the threads
+- in the team. */
++ /* List of gomp_work_share structs chained through next_free fields.
++ This is populated and taken off only by the first thread in the
++ team encountering a new work sharing construct, in a critical
++ section. */
++ struct gomp_work_share *work_share_list_alloc;
++
++ /* List of gomp_work_share structs freed by free_work_share. New
++ entries are atomically added to the start of the list, and
++ alloc_work_share can safely only move all but the first entry
++ to work_share_list alloc, as free_work_share can happen concurrently
++ with alloc_work_share. */
++ struct gomp_work_share *work_share_list_free;
++
++#ifdef HAVE_SYNC_BUILTINS
++ /* Number of simple single regions encountered by threads in this
++ team. */
++ unsigned long single_count;
++#else
++ /* Mutex protecting addition of workshares to work_share_list_free. */
++ gomp_mutex_t work_share_list_free_lock;
++#endif
++
++ /* This barrier is used for most synchronization of the team. */
++ gomp_barrier_t barrier;
++
++ /* Initial work shares, to avoid allocating any gomp_work_share
++ structs in the common case. */
++ struct gomp_work_share work_shares[8];
++
++ /* This is an array with pointers to the release semaphore
++ of the threads in the team. */
+ gomp_sem_t *ordered_release[];
+ };
+
+@@ -242,6 +282,11 @@ extern bool gomp_dyn_var;
+ extern bool gomp_nest_var;
+ extern enum gomp_schedule_type gomp_run_sched_var;
+ extern unsigned long gomp_run_sched_chunk;
++#ifndef HAVE_SYNC_BUILTINS
++extern gomp_mutex_t gomp_remaining_threads_lock;
++#endif
++extern unsigned long long gomp_spin_count_var, gomp_throttled_spin_count_var;
++extern unsigned long gomp_available_cpus, gomp_managed_threads;
+
+ /* The attributes to be used during thread creation. */
+ extern pthread_attr_t gomp_thread_attr;
+@@ -306,17 +351,27 @@ extern unsigned gomp_dynamic_max_threads
+
+ /* team.c */
+
++extern struct gomp_team *gomp_new_team (unsigned);
+ extern void gomp_team_start (void (*) (void *), void *, unsigned,
+- struct gomp_work_share *);
++ struct gomp_team *);
+ extern void gomp_team_end (void);
+
+ /* work.c */
+
+-extern struct gomp_work_share * gomp_new_work_share (bool, unsigned);
++extern void gomp_init_work_share (struct gomp_work_share *, bool, unsigned);
++extern void gomp_fini_work_share (struct gomp_work_share *);
+ extern bool gomp_work_share_start (bool);
+ extern void gomp_work_share_end (void);
+ extern void gomp_work_share_end_nowait (void);
+
++static inline void
++gomp_work_share_init_done (void)
++{
++ struct gomp_thread *thr = gomp_thread ();
++ if (__builtin_expect (thr->ts.last_work_share != NULL, 1))
++ gomp_ptrlock_set (&thr->ts.last_work_share->next_ws, thr->ts.work_share);
++}
++
+ #ifdef HAVE_ATTRIBUTE_VISIBILITY
+ # pragma GCC visibility pop
+ #endif
+--- libgomp/iter.c.jj 2008-03-26 14:48:34.000000000 +0100
++++ libgomp/iter.c 2008-03-26 15:11:23.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -154,7 +154,7 @@ gomp_iter_dynamic_next_locked (long *pst
+ if (start == ws->end)
+ return false;
+
+- chunk = ws->chunk_size * ws->incr;
++ chunk = ws->chunk_size;
+ left = ws->end - start;
+ if (ws->incr < 0)
+ {
+@@ -186,11 +186,38 @@ gomp_iter_dynamic_next (long *pstart, lo
+ struct gomp_work_share *ws = thr->ts.work_share;
+ long start, end, nend, chunk, incr;
+
+- start = ws->next;
+ end = ws->end;
+ incr = ws->incr;
+- chunk = ws->chunk_size * incr;
++ chunk = ws->chunk_size;
++
++ if (__builtin_expect (ws->mode, 1))
++ {
++ long tmp = __sync_fetch_and_add (&ws->next, chunk);
++ if (incr > 0)
++ {
++ if (tmp >= end)
++ return false;
++ nend = tmp + chunk;
++ if (nend > end)
++ nend = end;
++ *pstart = tmp;
++ *pend = nend;
++ return true;
++ }
++ else
++ {
++ if (tmp <= end)
++ return false;
++ nend = tmp + chunk;
++ if (nend < end)
++ nend = end;
++ *pstart = tmp;
++ *pend = nend;
++ return true;
++ }
++ }
+
++ start = ws->next;
+ while (1)
+ {
+ long left = end - start;
+--- libgomp/work.c.jj 2007-12-07 14:41:01.000000000 +0100
++++ libgomp/work.c 2008-03-27 12:21:51.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -29,39 +29,138 @@
+ of threads. */
+
+ #include "libgomp.h"
++#include <stddef.h>
+ #include <stdlib.h>
+ #include <string.h>
+
+
+-/* Create a new work share structure. */
++/* Allocate a new work share structure, preferably from current team's
++ free gomp_work_share cache. */
+
+-struct gomp_work_share *
+-gomp_new_work_share (bool ordered, unsigned nthreads)
++static struct gomp_work_share *
++alloc_work_share (struct gomp_team *team)
+ {
+ struct gomp_work_share *ws;
+- size_t size;
++ unsigned int i;
+
+- size = sizeof (*ws);
+- if (ordered)
+- size += nthreads * sizeof (ws->ordered_team_ids[0]);
++ /* This is called in a critical section. */
++ if (team->work_share_list_alloc != NULL)
++ {
++ ws = team->work_share_list_alloc;
++ team->work_share_list_alloc = ws->next_free;
++ return ws;
++ }
+
+- ws = gomp_malloc_cleared (size);
+- gomp_mutex_init (&ws->lock);
+- ws->ordered_owner = -1;
++#ifdef HAVE_SYNC_BUILTINS
++ ws = team->work_share_list_free;
++ /* We need atomic read from work_share_list_free,
++ as free_work_share can be called concurrently. */
++ __asm ("" : "+r" (ws));
++
++ if (ws && ws->next_free)
++ {
++ struct gomp_work_share *next = ws->next_free;
++ ws->next_free = NULL;
++ team->work_share_list_alloc = next->next_free;
++ return next;
++ }
++#else
++ gomp_mutex_lock (&team->work_share_list_free_lock);
++ ws = team->work_share_list_free;
++ if (ws)
++ {
++ team->work_share_list_alloc = ws->next_free;
++ team->work_share_list_free = NULL;
++ gomp_mutex_unlock (&team->work_share_list_free_lock);
++ return ws;
++ }
++ gomp_mutex_unlock (&team->work_share_list_free_lock);
++#endif
+
++ team->work_share_chunk *= 2;
++ ws = gomp_malloc (team->work_share_chunk * sizeof (struct gomp_work_share));
++ ws->next_alloc = team->work_shares[0].next_alloc;
++ team->work_shares[0].next_alloc = ws;
++ team->work_share_list_alloc = &ws[1];
++ for (i = 1; i < team->work_share_chunk - 1; i++)
++ ws[i].next_free = &ws[i + 1];
++ ws[i].next_free = NULL;
+ return ws;
+ }
+
++/* Initialize an already allocated struct gomp_work_share.
++ This shouldn't touch the next_alloc field. */
++
++void
++gomp_init_work_share (struct gomp_work_share *ws, bool ordered,
++ unsigned nthreads)
++{
++ gomp_mutex_init (&ws->lock);
++ if (__builtin_expect (ordered, 0))
++ {
++#define INLINE_ORDERED_TEAM_IDS_CNT \
++ ((sizeof (struct gomp_work_share) \
++ - offsetof (struct gomp_work_share, inline_ordered_team_ids)) \
++ / sizeof (((struct gomp_work_share *) 0)->inline_ordered_team_ids[0]))
++
++ if (nthreads > INLINE_ORDERED_TEAM_IDS_CNT)
++ ws->ordered_team_ids
++ = gomp_malloc (nthreads * sizeof (*ws->ordered_team_ids));
++ else
++ ws->ordered_team_ids = ws->inline_ordered_team_ids;
++ memset (ws->ordered_team_ids, '\0',
++ nthreads * sizeof (*ws->ordered_team_ids));
++ ws->ordered_num_used = 0;
++ ws->ordered_owner = -1;
++ ws->ordered_cur = 0;
++ }
++ else
++ ws->ordered_team_ids = NULL;
++ gomp_ptrlock_init (&ws->next_ws, NULL);
++ ws->threads_completed = 0;
++}
+
+-/* Free a work share structure. */
++/* Do any needed destruction of gomp_work_share fields before it
++ is put back into free gomp_work_share cache or freed. */
+
+-static void
+-free_work_share (struct gomp_work_share *ws)
++void
++gomp_fini_work_share (struct gomp_work_share *ws)
+ {
+ gomp_mutex_destroy (&ws->lock);
+- free (ws);
++ if (ws->ordered_team_ids != ws->inline_ordered_team_ids)
++ free (ws->ordered_team_ids);
++ gomp_ptrlock_destroy (&ws->next_ws);
+ }
+
++/* Free a work share struct, if not orphaned, put it into current
++ team's free gomp_work_share cache. */
++
++static inline void
++free_work_share (struct gomp_team *team, struct gomp_work_share *ws)
++{
++ gomp_fini_work_share (ws);
++ if (__builtin_expect (team == NULL, 0))
++ free (ws);
++ else
++ {
++ struct gomp_work_share *next_ws;
++#ifdef HAVE_SYNC_BUILTINS
++ do
++ {
++ next_ws = team->work_share_list_free;
++ ws->next_free = next_ws;
++ }
++ while (!__sync_bool_compare_and_swap (&team->work_share_list_free,
++ next_ws, ws));
++#else
++ gomp_mutex_lock (&team->work_share_list_free_lock);
++ next_ws = team->work_share_list_free;
++ ws->next_free = next_ws;
++ team->work_share_list_free = ws;
++ gomp_mutex_unlock (&team->work_share_list_free_lock);
++#endif
++ }
++}
+
+ /* The current thread is ready to begin the next work sharing construct.
+ In all cases, thr->ts.work_share is updated to point to the new
+@@ -74,71 +173,34 @@ gomp_work_share_start (bool ordered)
+ struct gomp_thread *thr = gomp_thread ();
+ struct gomp_team *team = thr->ts.team;
+ struct gomp_work_share *ws;
+- unsigned ws_index, ws_gen;
+
+ /* Work sharing constructs can be orphaned. */
+ if (team == NULL)
+ {
+- ws = gomp_new_work_share (ordered, 1);
++ ws = gomp_malloc (sizeof (*ws));
++ gomp_init_work_share (ws, ordered, 1);
+ thr->ts.work_share = ws;
+- thr->ts.static_trip = 0;
+- gomp_mutex_lock (&ws->lock);
+- return true;
++ return ws;
+ }
+
+- gomp_mutex_lock (&team->work_share_lock);
+-
+- /* This thread is beginning its next generation. */
+- ws_gen = ++thr->ts.work_share_generation;
+-
+- /* If this next generation is not newer than any other generation in
+- the team, then simply reference the existing construct. */
+- if (ws_gen - team->oldest_live_gen < team->num_live_gen)
++ ws = thr->ts.work_share;
++ thr->ts.last_work_share = ws;
++ ws = gomp_ptrlock_get (&ws->next_ws);
++ if (ws == NULL)
+ {
+- ws_index = ws_gen & team->generation_mask;
+- ws = team->work_shares[ws_index];
++ /* This thread encountered a new ws first. */
++ struct gomp_work_share *ws = alloc_work_share (team);
++ gomp_init_work_share (ws, ordered, team->nthreads);
+ thr->ts.work_share = ws;
+- thr->ts.static_trip = 0;
+-
+- gomp_mutex_lock (&ws->lock);
+- gomp_mutex_unlock (&team->work_share_lock);
+-
+- return false;
++ return true;
+ }
+-
+- /* Resize the work shares queue if we've run out of space. */
+- if (team->num_live_gen++ == team->generation_mask)
++ else
+ {
+- team->work_shares = gomp_realloc (team->work_shares,
+- 2 * team->num_live_gen
+- * sizeof (*team->work_shares));
+-
+- /* Unless oldest_live_gen is zero, the sequence of live elements
+- wraps around the end of the array. If we do nothing, we break
+- lookup of the existing elements. Fix that by unwrapping the
+- data from the front to the end. */
+- if (team->oldest_live_gen > 0)
+- memcpy (team->work_shares + team->num_live_gen,
+- team->work_shares,
+- (team->oldest_live_gen & team->generation_mask)
+- * sizeof (*team->work_shares));
+-
+- team->generation_mask = team->generation_mask * 2 + 1;
+- }
+-
+- ws_index = ws_gen & team->generation_mask;
+- ws = gomp_new_work_share (ordered, team->nthreads);
+- thr->ts.work_share = ws;
+- thr->ts.static_trip = 0;
+- team->work_shares[ws_index] = ws;
+-
+- gomp_mutex_lock (&ws->lock);
+- gomp_mutex_unlock (&team->work_share_lock);
+-
+- return true;
++ thr->ts.work_share = ws;
++ return false;
++ }
+ }
+
+-
+ /* The current thread is done with its current work sharing construct.
+ This version does imply a barrier at the end of the work-share. */
+
+@@ -147,36 +209,28 @@ gomp_work_share_end (void)
+ {
+ struct gomp_thread *thr = gomp_thread ();
+ struct gomp_team *team = thr->ts.team;
+- struct gomp_work_share *ws = thr->ts.work_share;
+- bool last;
+-
+- thr->ts.work_share = NULL;
++ gomp_barrier_state_t bstate;
+
+ /* Work sharing constructs can be orphaned. */
+ if (team == NULL)
+ {
+- free_work_share (ws);
++ free_work_share (NULL, thr->ts.work_share);
++ thr->ts.work_share = NULL;
+ return;
+ }
+
+- last = gomp_barrier_wait_start (&team->barrier);
++ bstate = gomp_barrier_wait_start (&team->barrier);
+
+- if (last)
++ if (gomp_barrier_last_thread (bstate))
+ {
+- unsigned ws_index;
+-
+- ws_index = thr->ts.work_share_generation & team->generation_mask;
+- team->work_shares[ws_index] = NULL;
+- team->oldest_live_gen++;
+- team->num_live_gen = 0;
+-
+- free_work_share (ws);
++ if (__builtin_expect (thr->ts.last_work_share != NULL, 1))
++ free_work_share (team, thr->ts.last_work_share);
+ }
+
+- gomp_barrier_wait_end (&team->barrier, last);
++ gomp_barrier_wait_end (&team->barrier, bstate);
++ thr->ts.last_work_share = NULL;
+ }
+
+-
+ /* The current thread is done with its current work sharing construct.
+ This version does NOT imply a barrier at the end of the work-share. */
+
+@@ -188,15 +242,17 @@ gomp_work_share_end_nowait (void)
+ struct gomp_work_share *ws = thr->ts.work_share;
+ unsigned completed;
+
+- thr->ts.work_share = NULL;
+-
+ /* Work sharing constructs can be orphaned. */
+ if (team == NULL)
+ {
+- free_work_share (ws);
++ free_work_share (NULL, ws);
++ thr->ts.work_share = NULL;
+ return;
+ }
+
++ if (__builtin_expect (thr->ts.last_work_share == NULL, 0))
++ return;
++
+ #ifdef HAVE_SYNC_BUILTINS
+ completed = __sync_add_and_fetch (&ws->threads_completed, 1);
+ #else
+@@ -206,18 +262,6 @@ gomp_work_share_end_nowait (void)
+ #endif
+
+ if (completed == team->nthreads)
+- {
+- unsigned ws_index;
+-
+- gomp_mutex_lock (&team->work_share_lock);
+-
+- ws_index = thr->ts.work_share_generation & team->generation_mask;
+- team->work_shares[ws_index] = NULL;
+- team->oldest_live_gen++;
+- team->num_live_gen--;
+-
+- gomp_mutex_unlock (&team->work_share_lock);
+-
+- free_work_share (ws);
+- }
++ free_work_share (team, thr->ts.last_work_share);
++ thr->ts.last_work_share = NULL;
+ }
+--- libgomp/single.c.jj 2007-12-07 14:41:01.000000000 +0100
++++ libgomp/single.c 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -37,10 +37,24 @@
+ bool
+ GOMP_single_start (void)
+ {
++#ifdef HAVE_SYNC_BUILTINS
++ struct gomp_thread *thr = gomp_thread ();
++ struct gomp_team *team = thr->ts.team;
++ unsigned long single_count;
++
++ if (__builtin_expect (team == NULL, 0))
++ return true;
++
++ single_count = thr->ts.single_count++;
++ return __sync_bool_compare_and_swap (&team->single_count, single_count,
++ single_count + 1L);
++#else
+ bool ret = gomp_work_share_start (false);
+- gomp_mutex_unlock (&gomp_thread ()->ts.work_share->lock);
++ if (ret)
++ gomp_work_share_init_done ();
+ gomp_work_share_end_nowait ();
+ return ret;
++#endif
+ }
+
+ /* This routine is called when first encountering a SINGLE construct that
+@@ -57,10 +71,12 @@ GOMP_single_copy_start (void)
+ void *ret;
+
+ first = gomp_work_share_start (false);
+- gomp_mutex_unlock (&thr->ts.work_share->lock);
+
+ if (first)
+- ret = NULL;
++ {
++ gomp_work_share_init_done ();
++ ret = NULL;
++ }
+ else
+ {
+ gomp_barrier_wait (&thr->ts.team->barrier);
+--- libgomp/loop.c.jj 2007-12-07 14:41:01.000000000 +0100
++++ libgomp/loop.c 2008-03-26 18:47:04.000000000 +0100
+@@ -27,8 +27,9 @@
+
+ /* This file handles the LOOP (FOR/DO) construct. */
+
+-#include "libgomp.h"
++#include <limits.h>
+ #include <stdlib.h>
++#include "libgomp.h"
+
+
+ /* Initialize the given work share construct from the given arguments. */
+@@ -44,6 +45,39 @@ gomp_loop_init (struct gomp_work_share *
+ ? start : end;
+ ws->incr = incr;
+ ws->next = start;
++ if (sched == GFS_DYNAMIC)
++ {
++ ws->chunk_size *= incr;
++
++#ifdef HAVE_SYNC_BUILTINS
++ {
++ /* For dynamic scheduling prepare things to make each iteration
++ faster. */
++ struct gomp_thread *thr = gomp_thread ();
++ struct gomp_team *team = thr->ts.team;
++ long nthreads = team ? team->nthreads : 1;
++
++ if (__builtin_expect (incr > 0, 1))
++ {
++ /* Cheap overflow protection. */
++ if (__builtin_expect ((nthreads | ws->chunk_size)
++ >= 1UL << (sizeof (long)
++ * __CHAR_BIT__ / 2 - 1), 0))
++ ws->mode = 0;
++ else
++ ws->mode = ws->end < (LONG_MAX
++ - (nthreads + 1) * ws->chunk_size);
++ }
++ /* Cheap overflow protection. */
++ else if (__builtin_expect ((nthreads | -ws->chunk_size)
++ >= 1UL << (sizeof (long)
++ * __CHAR_BIT__ / 2 - 1), 0))
++ ws->mode = 0;
++ else
++ ws->mode = ws->end > (nthreads + 1) * -ws->chunk_size - LONG_MAX;
++ }
++#endif
++ }
+ }
+
+ /* The *_start routines are called when first encountering a loop construct
+@@ -68,10 +102,13 @@ gomp_loop_static_start (long start, long
+ {
+ struct gomp_thread *thr = gomp_thread ();
+
++ thr->ts.static_trip = 0;
+ if (gomp_work_share_start (false))
+- gomp_loop_init (thr->ts.work_share, start, end, incr,
+- GFS_STATIC, chunk_size);
+- gomp_mutex_unlock (&thr->ts.work_share->lock);
++ {
++ gomp_loop_init (thr->ts.work_share, start, end, incr,
++ GFS_STATIC, chunk_size);
++ gomp_work_share_init_done ();
++ }
+
+ return !gomp_iter_static_next (istart, iend);
+ }
+@@ -84,13 +121,16 @@ gomp_loop_dynamic_start (long start, lon
+ bool ret;
+
+ if (gomp_work_share_start (false))
+- gomp_loop_init (thr->ts.work_share, start, end, incr,
+- GFS_DYNAMIC, chunk_size);
++ {
++ gomp_loop_init (thr->ts.work_share, start, end, incr,
++ GFS_DYNAMIC, chunk_size);
++ gomp_work_share_init_done ();
++ }
+
+ #ifdef HAVE_SYNC_BUILTINS
+- gomp_mutex_unlock (&thr->ts.work_share->lock);
+ ret = gomp_iter_dynamic_next (istart, iend);
+ #else
++ gomp_mutex_lock (&thr->ts.work_share->lock);
+ ret = gomp_iter_dynamic_next_locked (istart, iend);
+ gomp_mutex_unlock (&thr->ts.work_share->lock);
+ #endif
+@@ -106,13 +146,16 @@ gomp_loop_guided_start (long start, long
+ bool ret;
+
+ if (gomp_work_share_start (false))
+- gomp_loop_init (thr->ts.work_share, start, end, incr,
+- GFS_GUIDED, chunk_size);
++ {
++ gomp_loop_init (thr->ts.work_share, start, end, incr,
++ GFS_GUIDED, chunk_size);
++ gomp_work_share_init_done ();
++ }
+
+ #ifdef HAVE_SYNC_BUILTINS
+- gomp_mutex_unlock (&thr->ts.work_share->lock);
+ ret = gomp_iter_guided_next (istart, iend);
+ #else
++ gomp_mutex_lock (&thr->ts.work_share->lock);
+ ret = gomp_iter_guided_next_locked (istart, iend);
+ gomp_mutex_unlock (&thr->ts.work_share->lock);
+ #endif
+@@ -149,13 +192,14 @@ gomp_loop_ordered_static_start (long sta
+ {
+ struct gomp_thread *thr = gomp_thread ();
+
++ thr->ts.static_trip = 0;
+ if (gomp_work_share_start (true))
+ {
+ gomp_loop_init (thr->ts.work_share, start, end, incr,
+ GFS_STATIC, chunk_size);
+ gomp_ordered_static_init ();
++ gomp_work_share_init_done ();
+ }
+- gomp_mutex_unlock (&thr->ts.work_share->lock);
+
+ return !gomp_iter_static_next (istart, iend);
+ }
+@@ -168,8 +212,14 @@ gomp_loop_ordered_dynamic_start (long st
+ bool ret;
+
+ if (gomp_work_share_start (true))
+- gomp_loop_init (thr->ts.work_share, start, end, incr,
+- GFS_DYNAMIC, chunk_size);
++ {
++ gomp_loop_init (thr->ts.work_share, start, end, incr,
++ GFS_DYNAMIC, chunk_size);
++ gomp_mutex_lock (&thr->ts.work_share->lock);
++ gomp_work_share_init_done ();
++ }
++ else
++ gomp_mutex_lock (&thr->ts.work_share->lock);
+
+ ret = gomp_iter_dynamic_next_locked (istart, iend);
+ if (ret)
+@@ -187,8 +237,14 @@ gomp_loop_ordered_guided_start (long sta
+ bool ret;
+
+ if (gomp_work_share_start (true))
+- gomp_loop_init (thr->ts.work_share, start, end, incr,
+- GFS_GUIDED, chunk_size);
++ {
++ gomp_loop_init (thr->ts.work_share, start, end, incr,
++ GFS_GUIDED, chunk_size);
++ gomp_mutex_lock (&thr->ts.work_share->lock);
++ gomp_work_share_init_done ();
++ }
++ else
++ gomp_mutex_lock (&thr->ts.work_share->lock);
+
+ ret = gomp_iter_guided_next_locked (istart, iend);
+ if (ret)
+@@ -375,12 +431,12 @@ gomp_parallel_loop_start (void (*fn) (vo
+ long incr, enum gomp_schedule_type sched,
+ long chunk_size)
+ {
+- struct gomp_work_share *ws;
++ struct gomp_team *team;
+
+ num_threads = gomp_resolve_num_threads (num_threads);
+- ws = gomp_new_work_share (false, num_threads);
+- gomp_loop_init (ws, start, end, incr, sched, chunk_size);
+- gomp_team_start (fn, data, num_threads, ws);
++ team = gomp_new_team (num_threads);
++ gomp_loop_init (&team->work_shares[0], start, end, incr, sched, chunk_size);
++ gomp_team_start (fn, data, num_threads, team);
+ }
+
+ void
+--- libgomp/Makefile.in.jj 2008-01-10 20:53:47.000000000 +0100
++++ libgomp/Makefile.in 2008-03-26 18:51:01.000000000 +0100
+@@ -83,7 +83,7 @@ libgomp_la_LIBADD =
+ am_libgomp_la_OBJECTS = alloc.lo barrier.lo critical.lo env.lo \
+ error.lo iter.lo loop.lo ordered.lo parallel.lo sections.lo \
+ single.lo team.lo work.lo lock.lo mutex.lo proc.lo sem.lo \
+- bar.lo time.lo fortran.lo affinity.lo
++ bar.lo ptrlock.lo time.lo fortran.lo affinity.lo
+ libgomp_la_OBJECTS = $(am_libgomp_la_OBJECTS)
+ DEFAULT_INCLUDES = -I. -I$(srcdir) -I.
+ depcomp = $(SHELL) $(top_srcdir)/../depcomp
+@@ -292,7 +292,7 @@ libgomp_version_info = -version-info $(l
+ libgomp_la_LDFLAGS = $(libgomp_version_info) $(libgomp_version_script)
+ libgomp_la_SOURCES = alloc.c barrier.c critical.c env.c error.c iter.c \
+ loop.c ordered.c parallel.c sections.c single.c team.c work.c \
+- lock.c mutex.c proc.c sem.c bar.c time.c fortran.c affinity.c
++ lock.c mutex.c proc.c sem.c bar.c ptrlock.c time.c fortran.c affinity.c
+
+ nodist_noinst_HEADERS = libgomp_f.h
+ nodist_libsubinclude_HEADERS = omp.h
+@@ -434,6 +434,7 @@ distclean-compile:
+ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ordered.Plo@am__quote@
+ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/parallel.Plo@am__quote@
+ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/proc.Plo@am__quote@
++@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ptrlock.Plo@am__quote@
+ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sections.Plo@am__quote@
+ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sem.Plo@am__quote@
+ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/single.Plo@am__quote@
+--- libgomp/testsuite/libgomp.c/loop-4.c.jj 2008-03-26 18:47:04.000000000 +0100
++++ libgomp/testsuite/libgomp.c/loop-4.c 2008-03-26 18:47:04.000000000 +0100
+@@ -0,0 +1,28 @@
++/* { dg-do run } */
++
++extern void abort (void);
++
++int
++main (void)
++{
++ int e = 0;
++#pragma omp parallel num_threads (4) reduction(+:e)
++ {
++ long i;
++ #pragma omp for schedule(dynamic,1)
++ for (i = __LONG_MAX__ - 30001; i <= __LONG_MAX__ - 10001; i += 10000)
++ if (i != __LONG_MAX__ - 30001
++ && i != __LONG_MAX__ - 20001
++ && i != __LONG_MAX__ - 10001)
++ e = 1;
++ #pragma omp for schedule(dynamic,1)
++ for (i = -__LONG_MAX__ + 30000; i >= -__LONG_MAX__ + 10000; i -= 10000)
++ if (i != -__LONG_MAX__ + 30000
++ && i != -__LONG_MAX__ + 20000
++ && i != -__LONG_MAX__ + 10000)
++ e = 1;
++ }
++ if (e)
++ abort ();
++ return 0;
++}
+--- libgomp/Makefile.am.jj 2007-12-07 14:41:01.000000000 +0100
++++ libgomp/Makefile.am 2008-03-26 15:15:19.000000000 +0100
+@@ -31,7 +31,7 @@ libgomp_la_LDFLAGS = $(libgomp_version_i
+
+ libgomp_la_SOURCES = alloc.c barrier.c critical.c env.c error.c iter.c \
+ loop.c ordered.c parallel.c sections.c single.c team.c work.c \
+- lock.c mutex.c proc.c sem.c bar.c time.c fortran.c affinity.c
++ lock.c mutex.c proc.c sem.c bar.c ptrlock.c time.c fortran.c affinity.c
+
+ nodist_noinst_HEADERS = libgomp_f.h
+ nodist_libsubinclude_HEADERS = omp.h
+--- libgomp/team.c.jj 2007-12-07 14:41:01.000000000 +0100
++++ libgomp/team.c 2008-03-27 12:22:26.000000000 +0100
+@@ -94,7 +94,7 @@ gomp_thread_start (void *xdata)
+ {
+ gomp_barrier_wait (&thr->ts.team->barrier);
+ local_fn (local_data);
+- gomp_barrier_wait (&thr->ts.team->barrier);
++ gomp_barrier_wait_last (&thr->ts.team->barrier);
+ }
+ else
+ {
+@@ -114,11 +114,10 @@ gomp_thread_start (void *xdata)
+ thr->data = NULL;
+ thr->ts.team = NULL;
+ thr->ts.work_share = NULL;
++ thr->ts.last_work_share = NULL;
+ thr->ts.team_id = 0;
+- thr->ts.work_share_generation = 0;
+- thr->ts.static_trip = 0;
+
+- gomp_barrier_wait (&team->barrier);
++ gomp_barrier_wait_last (&team->barrier);
+ gomp_barrier_wait (&gomp_threads_dock);
+
+ local_fn = thr->fn;
+@@ -133,21 +132,29 @@ gomp_thread_start (void *xdata)
+
+ /* Create a new team data structure. */
+
+-static struct gomp_team *
+-new_team (unsigned nthreads, struct gomp_work_share *work_share)
++struct gomp_team *
++gomp_new_team (unsigned nthreads)
+ {
+ struct gomp_team *team;
+ size_t size;
++ int i;
+
+ size = sizeof (*team) + nthreads * sizeof (team->ordered_release[0]);
+ team = gomp_malloc (size);
+- gomp_mutex_init (&team->work_share_lock);
+
+- team->work_shares = gomp_malloc (4 * sizeof (struct gomp_work_share *));
+- team->generation_mask = 3;
+- team->oldest_live_gen = work_share == NULL;
+- team->num_live_gen = work_share != NULL;
+- team->work_shares[0] = work_share;
++ team->work_share_chunk = 8;
++#ifdef HAVE_SYNC_BUILTINS
++ team->single_count = 0;
++#else
++ gomp_mutex_init (&team->work_share_list_free_lock);
++#endif
++ gomp_init_work_share (&team->work_shares[0], false, nthreads);
++ team->work_shares[0].next_alloc = NULL;
++ team->work_share_list_free = NULL;
++ team->work_share_list_alloc = &team->work_shares[1];
++ for (i = 1; i < 7; i++)
++ team->work_shares[i].next_free = &team->work_shares[i + 1];
++ team->work_shares[i].next_free = NULL;
+
+ team->nthreads = nthreads;
+ gomp_barrier_init (&team->barrier, nthreads);
+@@ -164,10 +171,22 @@ new_team (unsigned nthreads, struct gomp
+ static void
+ free_team (struct gomp_team *team)
+ {
+- free (team->work_shares);
+- gomp_mutex_destroy (&team->work_share_lock);
++ if (__builtin_expect (team->work_shares[0].next_alloc != NULL, 0))
++ {
++ struct gomp_work_share *ws = team->work_shares[0].next_alloc;
++ do
++ {
++ struct gomp_work_share *next_ws = ws->next_alloc;
++ free (ws);
++ ws = next_ws;
++ }
++ while (ws != NULL);
++ }
+ gomp_barrier_destroy (&team->barrier);
+ gomp_sem_destroy (&team->master_release);
++#ifndef HAVE_SYNC_BUILTINS
++ gomp_mutex_destroy (&team->work_share_list_free_lock);
++#endif
+ free (team);
+ }
+
+@@ -176,11 +195,10 @@ free_team (struct gomp_team *team)
+
+ void
+ gomp_team_start (void (*fn) (void *), void *data, unsigned nthreads,
+- struct gomp_work_share *work_share)
++ struct gomp_team *team)
+ {
+ struct gomp_thread_start_data *start_data;
+ struct gomp_thread *thr, *nthr;
+- struct gomp_team *team;
+ bool nested;
+ unsigned i, n, old_threads_used = 0;
+ pthread_attr_t thread_attr, *attr;
+@@ -188,17 +206,18 @@ gomp_team_start (void (*fn) (void *), vo
+ thr = gomp_thread ();
+ nested = thr->ts.team != NULL;
+
+- team = new_team (nthreads, work_share);
+-
+ /* Always save the previous state, even if this isn't a nested team.
+ In particular, we should save any work share state from an outer
+ orphaned work share construct. */
+ team->prev_ts = thr->ts;
+
+ thr->ts.team = team;
+- thr->ts.work_share = work_share;
+ thr->ts.team_id = 0;
+- thr->ts.work_share_generation = 0;
++ thr->ts.work_share = &team->work_shares[0];
++ thr->ts.last_work_share = NULL;
++#ifdef HAVE_SYNC_BUILTINS
++ thr->ts.single_count = 0;
++#endif
+ thr->ts.static_trip = 0;
+
+ if (nthreads == 1)
+@@ -241,9 +260,12 @@ gomp_team_start (void (*fn) (void *), vo
+ {
+ nthr = gomp_threads[i];
+ nthr->ts.team = team;
+- nthr->ts.work_share = work_share;
++ nthr->ts.work_share = &team->work_shares[0];
++ nthr->ts.last_work_share = NULL;
+ nthr->ts.team_id = i;
+- nthr->ts.work_share_generation = 0;
++#ifdef HAVE_SYNC_BUILTINS
++ nthr->ts.single_count = 0;
++#endif
+ nthr->ts.static_trip = 0;
+ nthr->fn = fn;
+ nthr->data = data;
+@@ -266,8 +288,24 @@ gomp_team_start (void (*fn) (void *), vo
+ }
+ }
+
++ if (__builtin_expect (nthreads > old_threads_used, 0))
++ {
++ long diff = (long) nthreads - (long) old_threads_used;
++
++ if (old_threads_used == 0)
++ --diff;
++
++#ifdef HAVE_SYNC_BUILTINS
++ __sync_fetch_and_add (&gomp_managed_threads, diff);
++#else
++ gomp_mutex_lock (&gomp_remaining_threads_lock);
++ gomp_managed_threads += diff;
++ gomp_mutex_unlock (&gomp_remaining_threads_lock);
++#endif
++ }
++
+ attr = &gomp_thread_attr;
+- if (gomp_cpu_affinity != NULL)
++ if (__builtin_expect (gomp_cpu_affinity != NULL, 0))
+ {
+ size_t stacksize;
+ pthread_attr_init (&thread_attr);
+@@ -287,9 +325,12 @@ gomp_team_start (void (*fn) (void *), vo
+ int err;
+
+ start_data->ts.team = team;
+- start_data->ts.work_share = work_share;
++ start_data->ts.work_share = &team->work_shares[0];
++ start_data->ts.last_work_share = NULL;
+ start_data->ts.team_id = i;
+- start_data->ts.work_share_generation = 0;
++#ifdef HAVE_SYNC_BUILTINS
++ start_data->ts.single_count = 0;
++#endif
+ start_data->ts.static_trip = 0;
+ start_data->fn = fn;
+ start_data->fn_data = data;
+@@ -303,7 +344,7 @@ gomp_team_start (void (*fn) (void *), vo
+ gomp_fatal ("Thread creation failed: %s", strerror (err));
+ }
+
+- if (gomp_cpu_affinity != NULL)
++ if (__builtin_expect (gomp_cpu_affinity != NULL, 0))
+ pthread_attr_destroy (&thread_attr);
+
+ do_release:
+@@ -313,8 +354,20 @@ gomp_team_start (void (*fn) (void *), vo
+ that should arrive back at the end of this team. The extra
+ threads should be exiting. Note that we arrange for this test
+ to never be true for nested teams. */
+- if (nthreads < old_threads_used)
+- gomp_barrier_reinit (&gomp_threads_dock, nthreads);
++ if (__builtin_expect (nthreads < old_threads_used, 0))
++ {
++ long diff = (long) nthreads - (long) old_threads_used;
++
++ gomp_barrier_reinit (&gomp_threads_dock, nthreads);
++
++#ifdef HAVE_SYNC_BUILTINS
++ __sync_fetch_and_add (&gomp_managed_threads, diff);
++#else
++ gomp_mutex_lock (&gomp_remaining_threads_lock);
++ gomp_managed_threads += diff;
++ gomp_mutex_unlock (&gomp_remaining_threads_lock);
++#endif
++ }
+ }
+
+
+@@ -329,8 +382,21 @@ gomp_team_end (void)
+
+ gomp_barrier_wait (&team->barrier);
+
++ gomp_fini_work_share (thr->ts.work_share);
++
+ thr->ts = team->prev_ts;
+
++ if (__builtin_expect (thr->ts.team != NULL, 0))
++ {
++#ifdef HAVE_SYNC_BUILTINS
++ __sync_fetch_and_add (&gomp_managed_threads, 1L - team->nthreads);
++#else
++ gomp_mutex_lock (&gomp_remaining_threads_lock);
++ gomp_managed_threads -= team->nthreads - 1L;
++ gomp_mutex_unlock (&gomp_remaining_threads_lock);
++#endif
++ }
++
+ free_team (team);
+ }
+
+--- libgomp/config/posix/bar.h.jj 2007-12-07 14:41:01.000000000 +0100
++++ libgomp/config/posix/bar.h 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -46,18 +46,32 @@ typedef struct
+ unsigned total;
+ unsigned arrived;
+ } gomp_barrier_t;
++typedef bool gomp_barrier_state_t;
+
+ extern void gomp_barrier_init (gomp_barrier_t *, unsigned);
+ extern void gomp_barrier_reinit (gomp_barrier_t *, unsigned);
+ extern void gomp_barrier_destroy (gomp_barrier_t *);
+
+ extern void gomp_barrier_wait (gomp_barrier_t *);
+-extern void gomp_barrier_wait_end (gomp_barrier_t *, bool);
++extern void gomp_barrier_wait_end (gomp_barrier_t *, gomp_barrier_state_t);
+
+-static inline bool gomp_barrier_wait_start (gomp_barrier_t *bar)
++static inline gomp_barrier_state_t
++gomp_barrier_wait_start (gomp_barrier_t *bar)
+ {
+ gomp_mutex_lock (&bar->mutex1);
+ return ++bar->arrived == bar->total;
+ }
+
++static inline bool
++gomp_barrier_last_thread (gomp_barrier_state_t state)
++{
++ return state;
++}
++
++static inline void
++gomp_barrier_wait_last (gomp_barrier_t *bar)
++{
++ gomp_barrier_wait (bar);
++}
++
+ #endif /* GOMP_BARRIER_H */
+--- libgomp/config/posix/ptrlock.h.jj 2008-03-26 15:11:32.000000000 +0100
++++ libgomp/config/posix/ptrlock.h 2008-03-26 15:11:32.000000000 +0100
+@@ -0,0 +1,69 @@
++/* Copyright (C) 2008 Free Software Foundation, Inc.
++ Contributed by Jakub Jelinek <jakub@redhat.com>.
++
++ This file is part of the GNU OpenMP Library (libgomp).
++
++ Libgomp 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.
++
++ Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the
++ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
++ MA 02110-1301, USA. */
++
++/* As a special exception, if you link this library with other files, some
++ of which are compiled with GCC, to produce an executable, this library
++ does not by itself cause the resulting executable to be covered by the
++ GNU General Public License. This exception does not however invalidate
++ any other reasons why the executable file might be covered by the GNU
++ General Public License. */
++
++/* This is a Linux specific implementation of a mutex synchronization
++ mechanism for libgomp. This type is private to the library. This
++ implementation uses atomic instructions and the futex syscall. */
++
++#ifndef GOMP_PTRLOCK_H
++#define GOMP_PTRLOCK_H 1
++
++typedef struct { void *ptr; gomp_mutex_t lock; } gomp_ptrlock_t;
++
++static inline void gomp_ptrlock_init (gomp_ptrlock_t *ptrlock, void *ptr)
++{
++ ptrlock->ptr = ptr;
++ gomp_mutex_init (&ptrlock->lock);
++}
++
++static inline void *gomp_ptrlock_get (gomp_ptrlock_t *ptrlock)
++{
++ if (ptrlock->ptr != NULL)
++ return ptrlock->ptr;
++
++ gomp_mutex_lock (&ptrlock->lock);
++ if (ptrlock->ptr != NULL)
++ {
++ gomp_mutex_unlock (&ptrlock->lock);
++ return ptrlock->ptr;
++ }
++
++ return NULL;
++}
++
++static inline void gomp_ptrlock_set (gomp_ptrlock_t *ptrlock, void *ptr)
++{
++ ptrlock->ptr = ptr;
++ gomp_mutex_unlock (&ptrlock->lock);
++}
++
++static inline void gomp_ptrlock_destroy (gomp_ptrlock_t *ptrlock)
++{
++ gomp_mutex_destroy (&ptrlock->lock);
++}
++
++#endif /* GOMP_PTRLOCK_H */
+--- libgomp/config/posix/ptrlock.c.jj 2008-03-26 15:11:32.000000000 +0100
++++ libgomp/config/posix/ptrlock.c 2008-03-26 15:11:32.000000000 +0100
+@@ -0,0 +1 @@
++/* Everything is in the header. */
+--- libgomp/config/posix/bar.c.jj 2007-12-07 14:41:01.000000000 +0100
++++ libgomp/config/posix/bar.c 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -70,7 +70,7 @@ gomp_barrier_reinit (gomp_barrier_t *bar
+ }
+
+ void
+-gomp_barrier_wait_end (gomp_barrier_t *bar, bool last)
++gomp_barrier_wait_end (gomp_barrier_t *bar, gomp_barrier_state_t last)
+ {
+ unsigned int n;
+
+--- libgomp/config/linux/alpha/futex.h.jj 2007-12-07 14:41:00.000000000 +0100
++++ libgomp/config/linux/alpha/futex.h 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -30,8 +30,6 @@
+ #ifndef SYS_futex
+ #define SYS_futex 394
+ #endif
+-#define FUTEX_WAIT 0
+-#define FUTEX_WAKE 1
+
+
+ static inline void
+@@ -45,7 +43,7 @@ futex_wait (int *addr, int val)
+
+ sc_0 = SYS_futex;
+ sc_16 = (long) addr;
+- sc_17 = FUTEX_WAIT;
++ sc_17 = gomp_futex_wait;
+ sc_18 = val;
+ sc_19 = 0;
+ __asm volatile ("callsys"
+@@ -53,6 +51,20 @@ futex_wait (int *addr, int val)
+ : "0"(sc_0), "r" (sc_16), "r"(sc_17), "r"(sc_18), "1"(sc_19)
+ : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8",
+ "$22", "$23", "$24", "$25", "$27", "$28", "memory");
++ if (__builtin_expect (sc_19, 0) && sc_0 == ENOSYS)
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ sc_0 = SYS_futex;
++ sc_17 &= ~FUTEX_PRIVATE_FLAG;
++ sc_19 = 0;
++ __asm volatile ("callsys"
++ : "=r" (sc_0), "=r"(sc_19)
++ : "0"(sc_0), "r" (sc_16), "r"(sc_17), "r"(sc_18),
++ "1"(sc_19)
++ : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8",
++ "$22", "$23", "$24", "$25", "$27", "$28", "memory");
++ }
+ }
+
+ static inline void
+@@ -66,11 +78,35 @@ futex_wake (int *addr, int count)
+
+ sc_0 = SYS_futex;
+ sc_16 = (long) addr;
+- sc_17 = FUTEX_WAKE;
++ sc_17 = gomp_futex_wake;
+ sc_18 = count;
+ __asm volatile ("callsys"
+ : "=r" (sc_0), "=r"(sc_19)
+ : "0"(sc_0), "r" (sc_16), "r"(sc_17), "r"(sc_18)
+ : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8",
+ "$22", "$23", "$24", "$25", "$27", "$28", "memory");
++ if (__builtin_expect (sc_19, 0) && sc_0 == ENOSYS)
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ sc_0 = SYS_futex;
++ sc_17 &= ~FUTEX_PRIVATE_FLAG;
++ __asm volatile ("callsys"
++ : "=r" (sc_0), "=r"(sc_19)
++ : "0"(sc_0), "r" (sc_16), "r"(sc_17), "r"(sc_18)
++ : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8",
++ "$22", "$23", "$24", "$25", "$27", "$28", "memory");
++ }
++}
++
++static inline void
++cpu_relax (void)
++{
++ __asm volatile ("" : : : "memory");
++}
++
++static inline void
++atomic_write_barrier (void)
++{
++ __asm volatile ("wmb" : : : "memory");
+ }
+--- libgomp/config/linux/affinity.c.jj 2007-12-07 14:41:00.000000000 +0100
++++ libgomp/config/linux/affinity.c 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2006, 2007 Free Software Foundation, Inc.
++/* Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
+ Contributed by Jakub Jelinek <jakub@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -38,9 +38,6 @@
+ #ifdef HAVE_PTHREAD_AFFINITY_NP
+
+ static unsigned int affinity_counter;
+-#ifndef HAVE_SYNC_BUILTINS
+-static gomp_mutex_t affinity_lock;
+-#endif
+
+ void
+ gomp_init_affinity (void)
+@@ -76,9 +73,6 @@ gomp_init_affinity (void)
+ CPU_SET (gomp_cpu_affinity[0], &cpuset);
+ pthread_setaffinity_np (pthread_self (), sizeof (cpuset), &cpuset);
+ affinity_counter = 1;
+-#ifndef HAVE_SYNC_BUILTINS
+- gomp_mutex_init (&affinity_lock);
+-#endif
+ }
+
+ void
+@@ -87,13 +81,7 @@ gomp_init_thread_affinity (pthread_attr_
+ unsigned int cpu;
+ cpu_set_t cpuset;
+
+-#ifdef HAVE_SYNC_BUILTINS
+ cpu = __sync_fetch_and_add (&affinity_counter, 1);
+-#else
+- gomp_mutex_lock (&affinity_lock);
+- cpu = affinity_counter++;
+- gomp_mutex_unlock (&affinity_lock);
+-#endif
+ cpu %= gomp_cpu_affinity_len;
+ CPU_ZERO (&cpuset);
+ CPU_SET (gomp_cpu_affinity[cpu], &cpuset);
+--- libgomp/config/linux/bar.h.jj 2007-12-07 14:41:00.000000000 +0100
++++ libgomp/config/linux/bar.h 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -36,40 +36,49 @@
+
+ typedef struct
+ {
+- gomp_mutex_t mutex;
+- unsigned total;
+- unsigned arrived;
+- int generation;
++ /* Make sure total/generation is in a mostly read cacheline, while
++ awaited in a separate cacheline. */
++ unsigned total __attribute__((aligned (64)));
++ unsigned generation;
++ unsigned awaited __attribute__((aligned (64)));
+ } gomp_barrier_t;
++typedef unsigned int gomp_barrier_state_t;
+
+ static inline void gomp_barrier_init (gomp_barrier_t *bar, unsigned count)
+ {
+- gomp_mutex_init (&bar->mutex);
+ bar->total = count;
+- bar->arrived = 0;
++ bar->awaited = count;
+ bar->generation = 0;
+ }
+
+ static inline void gomp_barrier_reinit (gomp_barrier_t *bar, unsigned count)
+ {
+- gomp_mutex_lock (&bar->mutex);
++ __sync_fetch_and_add (&bar->awaited, count - bar->total);
+ bar->total = count;
+- gomp_mutex_unlock (&bar->mutex);
+ }
+
+ static inline void gomp_barrier_destroy (gomp_barrier_t *bar)
+ {
+- /* Before destroying, make sure all threads have left the barrier. */
+- gomp_mutex_lock (&bar->mutex);
+ }
+
+ extern void gomp_barrier_wait (gomp_barrier_t *);
+-extern void gomp_barrier_wait_end (gomp_barrier_t *, bool);
++extern void gomp_barrier_wait_last (gomp_barrier_t *);
++extern void gomp_barrier_wait_end (gomp_barrier_t *, gomp_barrier_state_t);
+
+-static inline bool gomp_barrier_wait_start (gomp_barrier_t *bar)
++static inline gomp_barrier_state_t
++gomp_barrier_wait_start (gomp_barrier_t *bar)
+ {
+- gomp_mutex_lock (&bar->mutex);
+- return ++bar->arrived == bar->total;
++ unsigned int ret = bar->generation;
++ /* Do we need any barrier here or is __sync_add_and_fetch acting
++ as the needed LoadLoad barrier already? */
++ ret += __sync_add_and_fetch (&bar->awaited, -1) == 0;
++ return ret;
++}
++
++static inline bool
++gomp_barrier_last_thread (gomp_barrier_state_t state)
++{
++ return state & 1;
+ }
+
+ #endif /* GOMP_BARRIER_H */
+--- libgomp/config/linux/ptrlock.h.jj 2008-03-26 15:11:32.000000000 +0100
++++ libgomp/config/linux/ptrlock.h 2008-03-26 15:11:32.000000000 +0100
+@@ -0,0 +1,65 @@
++/* Copyright (C) 2008 Free Software Foundation, Inc.
++ Contributed by Jakub Jelinek <jakub@redhat.com>.
++
++ This file is part of the GNU OpenMP Library (libgomp).
++
++ Libgomp 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.
++
++ Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the
++ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
++ MA 02110-1301, USA. */
++
++/* As a special exception, if you link this library with other files, some
++ of which are compiled with GCC, to produce an executable, this library
++ does not by itself cause the resulting executable to be covered by the
++ GNU General Public License. This exception does not however invalidate
++ any other reasons why the executable file might be covered by the GNU
++ General Public License. */
++
++/* This is a Linux specific implementation of a mutex synchronization
++ mechanism for libgomp. This type is private to the library. This
++ implementation uses atomic instructions and the futex syscall. */
++
++#ifndef GOMP_PTRLOCK_H
++#define GOMP_PTRLOCK_H 1
++
++typedef void *gomp_ptrlock_t;
++
++static inline void gomp_ptrlock_init (gomp_ptrlock_t *ptrlock, void *ptr)
++{
++ *ptrlock = ptr;
++}
++
++extern void *gomp_ptrlock_get_slow (gomp_ptrlock_t *ptrlock);
++static inline void *gomp_ptrlock_get (gomp_ptrlock_t *ptrlock)
++{
++ if ((uintptr_t) *ptrlock > 2)
++ return *ptrlock;
++
++ if (__sync_bool_compare_and_swap (ptrlock, NULL, (uintptr_t) 1))
++ return NULL;
++
++ return gomp_ptrlock_get_slow (ptrlock);
++}
++
++extern void gomp_ptrlock_set_slow (gomp_ptrlock_t *ptrlock, void *ptr);
++static inline void gomp_ptrlock_set (gomp_ptrlock_t *ptrlock, void *ptr)
++{
++ if (!__sync_bool_compare_and_swap (ptrlock, (uintptr_t) 1, ptr))
++ gomp_ptrlock_set_slow (ptrlock, ptr);
++}
++
++static inline void gomp_ptrlock_destroy (gomp_ptrlock_t *ptrlock)
++{
++}
++
++#endif /* GOMP_PTRLOCK_H */
+--- libgomp/config/linux/lock.c.jj 2007-12-07 14:41:00.000000000 +0100
++++ libgomp/config/linux/lock.c 2008-03-26 15:11:32.000000000 +0100
+@@ -29,11 +29,10 @@
+ primitives. This implementation uses atomic instructions and the futex
+ syscall. */
+
+-#include "libgomp.h"
+ #include <string.h>
+ #include <unistd.h>
+ #include <sys/syscall.h>
+-#include "futex.h"
++#include "wait.h"
+
+
+ /* The internal gomp_mutex_t and the external non-recursive omp_lock_t
+@@ -137,7 +136,7 @@ omp_set_nest_lock (omp_nest_lock_t *lock
+ return;
+ }
+
+- futex_wait (&lock->owner, otid);
++ do_wait (&lock->owner, otid);
+ }
+ }
+
+--- libgomp/config/linux/ptrlock.c.jj 2008-03-26 15:11:32.000000000 +0100
++++ libgomp/config/linux/ptrlock.c 2008-03-26 15:11:32.000000000 +0100
+@@ -0,0 +1,70 @@
++/* Copyright (C) 2008 Free Software Foundation, Inc.
++ Contributed by Jakub Jelinek <jakub@redhat.com>.
++
++ This file is part of the GNU OpenMP Library (libgomp).
++
++ Libgomp 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.
++
++ Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the
++ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
++ MA 02110-1301, USA. */
++
++/* As a special exception, if you link this library with other files, some
++ of which are compiled with GCC, to produce an executable, this library
++ does not by itself cause the resulting executable to be covered by the
++ GNU General Public License. This exception does not however invalidate
++ any other reasons why the executable file might be covered by the GNU
++ General Public License. */
++
++/* This is a Linux specific implementation of a mutex synchronization
++ mechanism for libgomp. This type is private to the library. This
++ implementation uses atomic instructions and the futex syscall. */
++
++#include <endian.h>
++#include <limits.h>
++#include "wait.h"
++
++void *
++gomp_ptrlock_get_slow (gomp_ptrlock_t *ptrlock)
++{
++ int *intptr;
++ __sync_bool_compare_and_swap (ptrlock, 1, 2);
++
++ /* futex works on ints, not pointers.
++ But a valid work share pointer will be at least
++ 8 byte aligned, so it is safe to assume the low
++ 32-bits of the pointer won't contain values 1 or 2. */
++ __asm volatile ("" : "=r" (intptr) : "0" (ptrlock));
++#if __BYTE_ORDER == __BIG_ENDIAN
++ if (sizeof (*ptrlock) > sizeof (int))
++ intptr += (sizeof (*ptrlock) / sizeof (int)) - 1;
++#endif
++ do
++ do_wait (intptr, 2);
++ while (*intptr == 2);
++ __asm volatile ("" : : : "memory");
++ return *ptrlock;
++}
++
++void
++gomp_ptrlock_set_slow (gomp_ptrlock_t *ptrlock, void *ptr)
++{
++ int *intptr;
++
++ *ptrlock = ptr;
++ __asm volatile ("" : "=r" (intptr) : "0" (ptrlock));
++#if __BYTE_ORDER == __BIG_ENDIAN
++ if (sizeof (*ptrlock) > sizeof (int))
++ intptr += (sizeof (*ptrlock) / sizeof (int)) - 1;
++#endif
++ futex_wake (intptr, INT_MAX);
++}
+--- libgomp/config/linux/x86/futex.h.jj 2007-12-07 14:41:00.000000000 +0100
++++ libgomp/config/linux/x86/futex.h 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -27,9 +27,6 @@
+
+ /* Provide target-specific access to the futex system call. */
+
+-#define FUTEX_WAIT 0
+-#define FUTEX_WAKE 1
+-
+ #ifdef __LP64__
+ # ifndef SYS_futex
+ # define SYS_futex 202
+@@ -38,14 +35,26 @@
+ static inline void
+ futex_wait (int *addr, int val)
+ {
+- register long r10 __asm__("%r10") = 0;
++ register long r10 __asm__("%r10");
+ long res;
+
++ r10 = 0;
+ __asm volatile ("syscall"
+ : "=a" (res)
+- : "0"(SYS_futex), "D" (addr), "S"(FUTEX_WAIT),
+- "d"(val), "r"(r10)
++ : "0" (SYS_futex), "D" (addr), "S" (gomp_futex_wait),
++ "d" (val), "r" (r10)
+ : "r11", "rcx", "memory");
++ if (__builtin_expect (res == -ENOSYS, 0))
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ r10 = 0;
++ __asm volatile ("syscall"
++ : "=a" (res)
++ : "0" (SYS_futex), "D" (addr), "S" (gomp_futex_wait),
++ "d" (val), "r" (r10)
++ : "r11", "rcx", "memory");
++ }
+ }
+
+ static inline void
+@@ -55,8 +64,19 @@ futex_wake (int *addr, int count)
+
+ __asm volatile ("syscall"
+ : "=a" (res)
+- : "0"(SYS_futex), "D" (addr), "S"(FUTEX_WAKE), "d"(count)
++ : "0" (SYS_futex), "D" (addr), "S" (gomp_futex_wake),
++ "d" (count)
+ : "r11", "rcx", "memory");
++ if (__builtin_expect (res == -ENOSYS, 0))
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ __asm volatile ("syscall"
++ : "=a" (res)
++ : "0" (SYS_futex), "D" (addr), "S" (gomp_futex_wake),
++ "d" (count)
++ : "r11", "rcx", "memory");
++ }
+ }
+ #else
+ # ifndef SYS_futex
+@@ -65,7 +85,7 @@ futex_wake (int *addr, int count)
+
+ # ifdef __PIC__
+
+-static inline void
++static inline long
+ sys_futex0 (int *addr, int op, int val)
+ {
+ long res;
+@@ -77,11 +97,12 @@ sys_futex0 (int *addr, int op, int val)
+ : "0"(SYS_futex), "r" (addr), "c"(op),
+ "d"(val), "S"(0)
+ : "memory");
++ return res;
+ }
+
+ # else
+
+-static inline void
++static inline long
+ sys_futex0 (int *addr, int op, int val)
+ {
+ long res;
+@@ -91,6 +112,7 @@ sys_futex0 (int *addr, int op, int val)
+ : "0"(SYS_futex), "b" (addr), "c"(op),
+ "d"(val), "S"(0)
+ : "memory");
++ return res;
+ }
+
+ # endif /* __PIC__ */
+@@ -98,13 +120,37 @@ sys_futex0 (int *addr, int op, int val)
+ static inline void
+ futex_wait (int *addr, int val)
+ {
+- sys_futex0 (addr, FUTEX_WAIT, val);
++ long res = sys_futex0 (addr, gomp_futex_wait, val);
++ if (__builtin_expect (res == -ENOSYS, 0))
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ sys_futex0 (addr, gomp_futex_wait, val);
++ }
+ }
+
+ static inline void
+ futex_wake (int *addr, int count)
+ {
+- sys_futex0 (addr, FUTEX_WAKE, count);
++ long res = sys_futex0 (addr, gomp_futex_wake, count);
++ if (__builtin_expect (res == -ENOSYS, 0))
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ sys_futex0 (addr, gomp_futex_wake, count);
++ }
+ }
+
+ #endif /* __LP64__ */
++
++static inline void
++cpu_relax (void)
++{
++ __asm volatile ("rep; nop" : : : "memory");
++}
++
++static inline void
++atomic_write_barrier (void)
++{
++ __sync_synchronize ();
++}
+--- libgomp/config/linux/wait.h.jj 2008-03-26 15:11:32.000000000 +0100
++++ libgomp/config/linux/wait.h 2008-03-26 15:11:32.000000000 +0100
+@@ -0,0 +1,68 @@
++/* Copyright (C) 2008 Free Software Foundation, Inc.
++ Contributed by Jakub Jelinek <jakub@redhat.com>.
++
++ This file is part of the GNU OpenMP Library (libgomp).
++
++ Libgomp 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.
++
++ Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the
++ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
++ MA 02110-1301, USA. */
++
++/* As a special exception, if you link this library with other files, some
++ of which are compiled with GCC, to produce an executable, this library
++ does not by itself cause the resulting executable to be covered by the
++ GNU General Public License. This exception does not however invalidate
++ any other reasons why the executable file might be covered by the GNU
++ General Public License. */
++
++/* This is a Linux specific implementation of a mutex synchronization
++ mechanism for libgomp. This type is private to the library. This
++ implementation uses atomic instructions and the futex syscall. */
++
++#ifndef GOMP_WAIT_H
++#define GOMP_WAIT_H 1
++
++#include "libgomp.h"
++#include <errno.h>
++
++#define FUTEX_WAIT 0
++#define FUTEX_WAKE 1
++#define FUTEX_PRIVATE_FLAG 128L
++
++#ifdef HAVE_ATTRIBUTE_VISIBILITY
++# pragma GCC visibility push(hidden)
++#endif
++
++extern long int gomp_futex_wait, gomp_futex_wake;
++
++#include "futex.h"
++
++static inline void do_wait (int *addr, int val)
++{
++ unsigned long long i, count = gomp_spin_count_var;
++
++ if (__builtin_expect (gomp_managed_threads > gomp_available_cpus, 0))
++ count = gomp_throttled_spin_count_var;
++ for (i = 0; i < count; i++)
++ if (__builtin_expect (*addr != val, 0))
++ return;
++ else
++ cpu_relax ();
++ futex_wait (addr, val);
++}
++
++#ifdef HAVE_ATTRIBUTE_VISIBILITY
++# pragma GCC visibility pop
++#endif
++
++#endif /* GOMP_WAIT_H */
+--- libgomp/config/linux/sparc/futex.h.jj 2007-12-07 14:41:00.000000000 +0100
++++ libgomp/config/linux/sparc/futex.h 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Jakub Jelinek <jakub@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -28,10 +28,8 @@
+ /* Provide target-specific access to the futex system call. */
+
+ #include <sys/syscall.h>
+-#define FUTEX_WAIT 0
+-#define FUTEX_WAKE 1
+
+-static inline void
++static inline long
+ sys_futex0 (int *addr, int op, int val)
+ {
+ register long int g1 __asm__ ("g1");
+@@ -47,9 +45,9 @@ sys_futex0 (int *addr, int op, int val)
+ o3 = 0;
+
+ #ifdef __arch64__
+-# define SYSCALL_STRING "ta\t0x6d"
++# define SYSCALL_STRING "ta\t0x6d; bcs,a,pt %%xcc, 1f; sub %%g0, %%o0, %%o0; 1:"
+ #else
+-# define SYSCALL_STRING "ta\t0x10"
++# define SYSCALL_STRING "ta\t0x10; bcs,a 1f; sub %%g0, %%o0, %%o0; 1:"
+ #endif
+
+ __asm volatile (SYSCALL_STRING
+@@ -65,16 +63,49 @@ sys_futex0 (int *addr, int op, int val)
+ "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62",
+ #endif
+ "cc", "memory");
++ return o0;
+ }
+
+ static inline void
+ futex_wait (int *addr, int val)
+ {
+- sys_futex0 (addr, FUTEX_WAIT, val);
++ long err = sys_futex0 (addr, gomp_futex_wait, val);
++ if (__builtin_expect (err == ENOSYS, 0))
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ sys_futex0 (addr, gomp_futex_wait, val);
++ }
+ }
+
+ static inline void
+ futex_wake (int *addr, int count)
+ {
+- sys_futex0 (addr, FUTEX_WAKE, count);
++ long err = sys_futex0 (addr, gomp_futex_wake, count);
++ if (__builtin_expect (err == ENOSYS, 0))
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ sys_futex0 (addr, gomp_futex_wake, count);
++ }
++}
++
++static inline void
++cpu_relax (void)
++{
++#if defined __arch64__ || defined __sparc_v9__
++ __asm volatile ("membar #LoadLoad" : : : "memory");
++#else
++ __asm volatile ("" : : : "memory");
++#endif
++}
++
++static inline void
++atomic_write_barrier (void)
++{
++#if defined __arch64__ || defined __sparc_v9__
++ __asm volatile ("membar #StoreStore" : : : "memory");
++#else
++ __sync_synchronize ();
++#endif
+ }
+--- libgomp/config/linux/ia64/futex.h.jj 2007-12-07 14:41:00.000000000 +0100
++++ libgomp/config/linux/ia64/futex.h 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -29,23 +29,24 @@
+
+ #include <sys/syscall.h>
+
+-#define FUTEX_WAIT 0
+-#define FUTEX_WAKE 1
+
+
+-static inline void
+-sys_futex0(int *addr, int op, int val)
++static inline long
++sys_futex0(int *addr, long op, int val)
+ {
+ register long out0 asm ("out0") = (long) addr;
+ register long out1 asm ("out1") = op;
+ register long out2 asm ("out2") = val;
+ register long out3 asm ("out3") = 0;
++ register long r8 asm ("r8");
++ register long r10 asm ("r10");
+ register long r15 asm ("r15") = SYS_futex;
+
+ __asm __volatile ("break 0x100000"
+- : "=r"(r15), "=r"(out0), "=r"(out1), "=r"(out2), "=r"(out3)
++ : "=r"(r15), "=r"(out0), "=r"(out1), "=r"(out2), "=r"(out3),
++ "=r"(r8), "=r"(r10)
+ : "r"(r15), "r"(out0), "r"(out1), "r"(out2), "r"(out3)
+- : "memory", "r8", "r10", "out4", "out5", "out6", "out7",
++ : "memory", "out4", "out5", "out6", "out7",
+ /* Non-stacked integer registers, minus r8, r10, r15. */
+ "r2", "r3", "r9", "r11", "r12", "r13", "r14", "r16", "r17", "r18",
+ "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27",
+@@ -56,16 +57,41 @@ sys_futex0(int *addr, int op, int val)
+ "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
+ /* Branch registers. */
+ "b6");
++ return r8 & r10;
+ }
+
+ static inline void
+ futex_wait (int *addr, int val)
+ {
+- sys_futex0 (addr, FUTEX_WAIT, val);
++ long err = sys_futex0 (addr, gomp_futex_wait, val);
++ if (__builtin_expect (err == ENOSYS, 0))
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ sys_futex0 (addr, gomp_futex_wait, val);
++ }
+ }
+
+ static inline void
+ futex_wake (int *addr, int count)
+ {
+- sys_futex0 (addr, FUTEX_WAKE, count);
++ long err = sys_futex0 (addr, gomp_futex_wake, count);
++ if (__builtin_expect (err == ENOSYS, 0))
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ sys_futex0 (addr, gomp_futex_wake, count);
++ }
++}
++
++static inline void
++cpu_relax (void)
++{
++ __asm volatile ("hint @pause" : : : "memory");
++}
++
++static inline void
++atomic_write_barrier (void)
++{
++ __sync_synchronize ();
+ }
+--- libgomp/config/linux/s390/futex.h.jj 2007-12-07 14:41:00.000000000 +0100
++++ libgomp/config/linux/s390/futex.h 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Jakub Jelinek <jakub@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -28,10 +28,8 @@
+ /* Provide target-specific access to the futex system call. */
+
+ #include <sys/syscall.h>
+-#define FUTEX_WAIT 0
+-#define FUTEX_WAKE 1
+
+-static inline void
++static inline long
+ sys_futex0 (int *addr, int op, int val)
+ {
+ register long int gpr2 __asm__ ("2");
+@@ -49,16 +47,41 @@ sys_futex0 (int *addr, int op, int val)
+ : "i" (SYS_futex),
+ "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5)
+ : "memory");
++ return gpr2;
+ }
+
+ static inline void
+ futex_wait (int *addr, int val)
+ {
+- sys_futex0 (addr, FUTEX_WAIT, val);
++ long err = sys_futex0 (addr, gomp_futex_wait, val);
++ if (__builtin_expect (err == -ENOSYS, 0))
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ sys_futex0 (addr, gomp_futex_wait, val);
++ }
+ }
+
+ static inline void
+ futex_wake (int *addr, int count)
+ {
+- sys_futex0 (addr, FUTEX_WAKE, count);
++ long err = sys_futex0 (addr, gomp_futex_wake, count);
++ if (__builtin_expect (err == -ENOSYS, 0))
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ sys_futex0 (addr, gomp_futex_wake, count);
++ }
++}
++
++static inline void
++cpu_relax (void)
++{
++ __asm volatile ("" : : : "memory");
++}
++
++static inline void
++atomic_write_barrier (void)
++{
++ __sync_synchronize ();
+ }
+--- libgomp/config/linux/mutex.c.jj 2007-12-07 14:41:00.000000000 +0100
++++ libgomp/config/linux/mutex.c 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -29,9 +29,10 @@
+ mechanism for libgomp. This type is private to the library. This
+ implementation uses atomic instructions and the futex syscall. */
+
+-#include "libgomp.h"
+-#include "futex.h"
++#include "wait.h"
+
++long int gomp_futex_wake = FUTEX_WAKE | FUTEX_PRIVATE_FLAG;
++long int gomp_futex_wait = FUTEX_WAIT | FUTEX_PRIVATE_FLAG;
+
+ void
+ gomp_mutex_lock_slow (gomp_mutex_t *mutex)
+@@ -40,7 +41,7 @@ gomp_mutex_lock_slow (gomp_mutex_t *mute
+ {
+ int oldval = __sync_val_compare_and_swap (mutex, 1, 2);
+ if (oldval != 0)
+- futex_wait (mutex, 2);
++ do_wait (mutex, 2);
+ }
+ while (!__sync_bool_compare_and_swap (mutex, 0, 2));
+ }
+--- libgomp/config/linux/sem.c.jj 2007-12-07 14:41:00.000000000 +0100
++++ libgomp/config/linux/sem.c 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -29,8 +29,7 @@
+ mechanism for libgomp. This type is private to the library. This
+ implementation uses atomic instructions and the futex syscall. */
+
+-#include "libgomp.h"
+-#include "futex.h"
++#include "wait.h"
+
+
+ void
+@@ -44,7 +43,7 @@ gomp_sem_wait_slow (gomp_sem_t *sem)
+ if (__sync_bool_compare_and_swap (sem, val, val - 1))
+ return;
+ }
+- futex_wait (sem, -1);
++ do_wait (sem, -1);
+ }
+ }
+
+--- libgomp/config/linux/powerpc/futex.h.jj 2007-12-07 14:41:00.000000000 +0100
++++ libgomp/config/linux/powerpc/futex.h 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -28,10 +28,8 @@
+ /* Provide target-specific access to the futex system call. */
+
+ #include <sys/syscall.h>
+-#define FUTEX_WAIT 0
+-#define FUTEX_WAKE 1
+
+-static inline void
++static inline long
+ sys_futex0 (int *addr, int op, int val)
+ {
+ register long int r0 __asm__ ("r0");
+@@ -50,21 +48,48 @@ sys_futex0 (int *addr, int op, int val)
+ doesn't. It doesn't much matter for us. In the interest of unity,
+ go ahead and clobber it always. */
+
+- __asm volatile ("sc"
++ __asm volatile ("sc; mfcr %0"
+ : "=r"(r0), "=r"(r3), "=r"(r4), "=r"(r5), "=r"(r6)
+ : "r"(r0), "r"(r3), "r"(r4), "r"(r5), "r"(r6)
+ : "r7", "r8", "r9", "r10", "r11", "r12",
+ "cr0", "ctr", "memory");
++ if (__builtin_expect (r0 & (1 << 28), 0))
++ return r3;
++ return 0;
+ }
+
+ static inline void
+ futex_wait (int *addr, int val)
+ {
+- sys_futex0 (addr, FUTEX_WAIT, val);
++ long err = sys_futex0 (addr, gomp_futex_wait, val);
++ if (__builtin_expect (err == ENOSYS, 0))
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ sys_futex0 (addr, gomp_futex_wait, val);
++ }
+ }
+
+ static inline void
+ futex_wake (int *addr, int count)
+ {
+- sys_futex0 (addr, FUTEX_WAKE, count);
++ long err = sys_futex0 (addr, gomp_futex_wake, count);
++ if (__builtin_expect (err == ENOSYS, 0))
++ {
++ gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
++ gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
++ sys_futex0 (addr, gomp_futex_wake, count);
++ }
++}
++
++static inline void
++cpu_relax (void)
++{
++ __asm volatile ("" : : : "memory");
++}
++
++static inline void
++atomic_write_barrier (void)
++{
++ __asm volatile ("eieio" : : : "memory");
+ }
+--- libgomp/config/linux/bar.c.jj 2007-12-07 14:41:00.000000000 +0100
++++ libgomp/config/linux/bar.c 2008-03-26 15:11:32.000000000 +0100
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2005 Free Software Foundation, Inc.
++/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU OpenMP Library (libgomp).
+@@ -29,32 +29,29 @@
+ mechanism for libgomp. This type is private to the library. This
+ implementation uses atomic instructions and the futex syscall. */
+
+-#include "libgomp.h"
+-#include "futex.h"
+ #include <limits.h>
++#include "wait.h"
+
+
+ void
+-gomp_barrier_wait_end (gomp_barrier_t *bar, bool last)
++gomp_barrier_wait_end (gomp_barrier_t *bar, gomp_barrier_state_t state)
+ {
+- if (last)
++ if (__builtin_expect ((state & 1) != 0, 0))
+ {
+- bar->generation++;
+- futex_wake (&bar->generation, INT_MAX);
++ /* Next time we'll be awaiting TOTAL threads again. */
++ bar->awaited = bar->total;
++ atomic_write_barrier ();
++ bar->generation += 2;
++ futex_wake ((int *) &bar->generation, INT_MAX);
+ }
+ else
+ {
+- unsigned int generation = bar->generation;
+-
+- gomp_mutex_unlock (&bar->mutex);
++ unsigned int generation = state;
+
+ do
+- futex_wait (&bar->generation, generation);
++ do_wait ((int *) &bar->generation, generation);
+ while (bar->generation == generation);
+ }
+-
+- if (__sync_add_and_fetch (&bar->arrived, -1) == 0)
+- gomp_mutex_unlock (&bar->mutex);
+ }
+
+ void
+@@ -62,3 +59,18 @@ gomp_barrier_wait (gomp_barrier_t *barri
+ {
+ gomp_barrier_wait_end (barrier, gomp_barrier_wait_start (barrier));
+ }
++
++/* Like gomp_barrier_wait, except that if the encountering thread
++ is not the last one to hit the barrier, it returns immediately.
++ The intended usage is that a thread which intends to gomp_barrier_destroy
++ this barrier calls gomp_barrier_wait, while all other threads
++ call gomp_barrier_wait_last. When gomp_barrier_wait returns,
++ the barrier can be safely destroyed. */
++
++void
++gomp_barrier_wait_last (gomp_barrier_t *barrier)
++{
++ gomp_barrier_state_t state = gomp_barrier_wait_start (barrier);
++ if (state & 1)
++ gomp_barrier_wait_end (barrier, state);
++}
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-ppc32-retaddr.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-ppc32-retaddr.patch
new file mode 100644
index 0000000000..3de4158eb0
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-ppc32-retaddr.patch
@@ -0,0 +1,90 @@
+2005-11-28 Jakub Jelinek <jakub@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_return_addr): If COUNT == 0,
+ read word RETURN_ADDRESS_OFFSET bytes above arg_pointer_rtx
+ instead of doing an extran indirection from frame_pointer_rtx.
+
+ * gcc.dg/20051128-1.c: New test.
+
+Index: gcc/config/rs6000/rs6000.c
+===================================================================
+--- gcc/config/rs6000/rs6000.c.orig 2010-03-27 03:27:39.000000000 -0700
++++ gcc/config/rs6000/rs6000.c 2010-06-25 10:18:04.053381930 -0700
+@@ -17646,17 +17646,22 @@
+ don't try to be too clever here. */
+ if (count != 0 || (DEFAULT_ABI != ABI_AIX && flag_pic))
+ {
++ rtx x;
+ cfun->machine->ra_needs_full_frame = 1;
+
+- return
+- gen_rtx_MEM
+- (Pmode,
+- memory_address
+- (Pmode,
+- plus_constant (copy_to_reg
+- (gen_rtx_MEM (Pmode,
+- memory_address (Pmode, frame))),
+- RETURN_ADDRESS_OFFSET)));
++ if (count == 0)
++ {
++ gcc_assert (frame == frame_pointer_rtx);
++ x = arg_pointer_rtx;
++ }
++ else
++ {
++ x = memory_address (Pmode, frame);
++ x = copy_to_reg (gen_rtx_MEM (Pmode, x));
++ }
++
++ x = plus_constant (x, RETURN_ADDRESS_OFFSET);
++ return gen_rtx_MEM (Pmode, memory_address (Pmode, x));
+ }
+
+ cfun->machine->ra_need_lr = 1;
+Index: gcc/testsuite/gcc.dg/20051128-1.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ gcc/testsuite/gcc.dg/20051128-1.c 2010-06-25 10:18:04.061382856 -0700
+@@ -0,0 +1,41 @@
++/* { dg-do run } */
++/* { dg-options "-O2 -fpic" } */
++
++extern void exit (int);
++extern void abort (void);
++
++int b;
++
++struct A
++{
++ void *pad[147];
++ void *ra, *h;
++ long o;
++};
++
++void
++__attribute__((noinline))
++foo (struct A *a, void *x)
++{
++ __builtin_memset (a, 0, sizeof (a));
++ if (!b)
++ exit (0);
++}
++
++void
++__attribute__((noinline))
++bar (void)
++{
++ struct A a;
++
++ __builtin_unwind_init ();
++ foo (&a, __builtin_return_address (0));
++}
++
++int
++main (void)
++{
++ bar ();
++ abort ();
++ return 0;
++}
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-pr27898.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-pr27898.patch
new file mode 100644
index 0000000000..172bb81171
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-pr27898.patch
@@ -0,0 +1,16 @@
+2006-08-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/27898
+ * gcc.dg/pr27898.c: New test.
+
+--- gcc/testsuite/gcc.dg/pr27898.c.jj 2006-08-18 09:19:33.000000000 +0200
++++ gcc/testsuite/gcc.dg/pr27898.c 2006-08-18 09:19:27.000000000 +0200
+@@ -0,0 +1,8 @@
++/* PR c/27898 */
++/* { dg-do compile } */
++/* { dg-options "--combine" } */
++/* { dg-additional-sources "pr27898.c" } */
++
++union u { struct { int i; }; };
++
++extern int foo (union u *);
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-pr32139.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-pr32139.patch
new file mode 100644
index 0000000000..f35696703d
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-pr32139.patch
@@ -0,0 +1,19 @@
+2007-06-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/32139
+ * gcc.c-torture/compile/20070531-1.c: New test.
+
+--- gcc/testsuite/gcc.c-torture/compile/20070531-1.c.jj 2007-05-31 13:47:22.000000000 +0200
++++ gcc/testsuite/gcc.c-torture/compile/20070531-1.c 2007-06-01 10:57:15.000000000 +0200
+@@ -0,0 +1,11 @@
++/* PR tree-optimization/32139 */
++int foo (void);
++int bar (void) __attribute__ ((const));
++
++int
++test (int x)
++{
++ int a = (x == 10000 ? foo : bar) ();
++ int b = (x == 10000 ? foo : bar) ();
++ return a + b;
++}
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-pr33763.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-pr33763.patch
new file mode 100644
index 0000000000..68c30650ff
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-pr33763.patch
@@ -0,0 +1,159 @@
+2007-11-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/33763
+ * gcc.dg/pr33763.c: New test.
+ * g++.dg/opt/inline13.C: New test.
+
+2007-11-06 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/33763
+ * tree-inline.c (expand_call_inline): Silently ignore always_inline
+ attribute for redefined extern inline functions.
+
+Index: gcc/tree-inline.c
+===================================================================
+--- gcc/tree-inline.c.orig 2010-03-18 13:07:13.000000000 -0700
++++ gcc/tree-inline.c 2010-06-25 10:18:51.230139825 -0700
+@@ -3545,6 +3545,12 @@
+ goto egress;
+
+ if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (fn))
++ /* For extern inline functions that get redefined we always
++ silently ignored alway_inline flag. Better behaviour would
++ be to be able to keep both bodies and use extern inline body
++ for inlining, but we can't do that because frontends overwrite
++ the body. */
++ && !cg_edge->callee->local.redefined_extern_inline
+ /* Avoid warnings during early inline pass. */
+ && cgraph_global_info_ready)
+ {
+Index: gcc/testsuite/gcc.dg/pr33763.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ gcc/testsuite/gcc.dg/pr33763.c 2010-06-25 10:18:51.234141302 -0700
+@@ -0,0 +1,60 @@
++/* PR tree-optimization/33763 */
++/* { dg-do compile } */
++/* { dg-options "-O2" } */
++
++typedef struct
++{
++ void *a;
++ void *b;
++} T;
++extern void *foo (const char *, const char *);
++extern void *bar (void *, const char *, T);
++extern int baz (const char *, int);
++
++extern inline __attribute__ ((always_inline, gnu_inline)) int
++baz (const char *x, int y)
++{
++ return 2;
++}
++
++int
++baz (const char *x, int y)
++{
++ return 1;
++}
++
++int xa, xb;
++
++static void *
++inl (const char *x, const char *y)
++{
++ T t = { &xa, &xb };
++ int *f = (int *) __builtin_malloc (sizeof (int));
++ const char *z;
++ int o = 0;
++ void *r = 0;
++
++ for (z = y; *z; z++)
++ {
++ if (*z == 'r')
++ o |= 1;
++ if (*z == 'w')
++ o |= 2;
++ }
++ if (o == 1)
++ *f = baz (x, 0);
++ if (o == 2)
++ *f = baz (x, 1);
++ if (o == 3)
++ *f = baz (x, 2);
++
++ if (o && *f > 0)
++ r = bar (f, "w", t);
++ return r;
++}
++
++void *
++foo (const char *x, const char *y)
++{
++ return inl (x, y);
++}
+Index: gcc/testsuite/g++.dg/opt/inline13.C
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ gcc/testsuite/g++.dg/opt/inline13.C 2010-06-25 10:18:51.261052137 -0700
+@@ -0,0 +1,60 @@
++// PR tree-optimization/33763
++// { dg-do compile }
++// { dg-options "-O2" }
++
++typedef struct
++{
++ void *a;
++ void *b;
++} T;
++extern void *foo (const char *, const char *);
++extern void *bar (void *, const char *, T);
++extern int baz (const char *, int);
++
++extern inline __attribute__ ((always_inline, gnu_inline)) int
++baz (const char *x, int y)
++{
++ return 2;
++}
++
++int
++baz (const char *x, int y)
++{
++ return 1;
++}
++
++int xa, xb;
++
++static void *
++inl (const char *x, const char *y)
++{
++ T t = { &xa, &xb };
++ int *f = (int *) __builtin_malloc (sizeof (int));
++ const char *z;
++ int o = 0;
++ void *r = 0;
++
++ for (z = y; *z; z++)
++ {
++ if (*z == 'r')
++ o |= 1;
++ if (*z == 'w')
++ o |= 2;
++ }
++ if (o == 1)
++ *f = baz (x, 0);
++ if (o == 2)
++ *f = baz (x, 1);
++ if (o == 3)
++ *f = baz (x, 2);
++
++ if (o && *f > 0)
++ r = bar (f, "w", t);
++ return r;
++}
++
++void *
++foo (const char *x, const char *y)
++{
++ return inl (x, y);
++}
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-rh251682.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-rh251682.patch
new file mode 100644
index 0000000000..e96ae6f134
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-rh251682.patch
@@ -0,0 +1,89 @@
+2008-04-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR pch/13675
+ * files.c (struct _cpp_file): Remove pch field.
+ (pch_open_file): Don't set file->pch, just file->pchname.
+ (should_stack_file): After pfile->cb.read_pch call
+ free pchname and clear pchname, don't close file->fd.
+ Test file->pchname instead of file->pch. Don't close fd after cb.
+ (_cpp_stack_include): Test file->pchname instead of file->pch.
+
+ * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
+
+--- libcpp/files.c.jj 2008-02-18 23:50:17.000000000 +0100
++++ libcpp/files.c 2008-03-31 15:59:01.000000000 +0200
+@@ -106,9 +106,6 @@ struct _cpp_file
+
+ /* If BUFFER above contains the true contents of the file. */
+ bool buffer_valid;
+-
+- /* File is a PCH (on return from find_include_file). */
+- bool pch;
+ };
+
+ /* A singly-linked list for all searches for a given file name, with
+@@ -322,9 +319,7 @@ pch_open_file (cpp_reader *pfile, _cpp_f
+ }
+ closedir (pchdir);
+ }
+- if (valid)
+- file->pch = true;
+- else
++ if (!valid)
+ *invalid_pch = true;
+ }
+
+@@ -703,11 +698,12 @@ should_stack_file (cpp_reader *pfile, _c
+ return false;
+
+ /* Handle PCH files immediately; don't stack them. */
+- if (file->pch)
++ if (file->pchname)
+ {
+ pfile->cb.read_pch (pfile, file->pchname, file->fd, file->path);
+- close (file->fd);
+ file->fd = -1;
++ free ((void *) file->pchname);
++ file->pchname = NULL;
+ return false;
+ }
+
+@@ -916,7 +912,7 @@ _cpp_stack_include (cpp_reader *pfile, c
+ complicates LAST_SOURCE_LINE_LOCATION. This does not apply if we
+ found a PCH file (in which case linemap_add is not called) or we
+ were included from the command-line. */
+- if (! file->pch && file->err_no == 0 && type != IT_CMDLINE)
++ if (file->pchname == NULL && file->err_no == 0 && type != IT_CMDLINE)
+ pfile->line_table->highest_location--;
+
+ return _cpp_stack_file (pfile, file, type == IT_IMPORT);
+--- gcc/c-pch.c.jj 2008-02-18 23:46:08.000000000 +0100
++++ gcc/c-pch.c 2008-03-31 15:56:00.000000000 +0200
+@@ -372,6 +372,7 @@ c_common_read_pch (cpp_reader *pfile, co
+ if (f == NULL)
+ {
+ cpp_errno (pfile, CPP_DL_ERROR, "calling fdopen");
++ close (fd);
+ return;
+ }
+
+@@ -380,6 +381,7 @@ c_common_read_pch (cpp_reader *pfile, co
+ if (fread (&h, sizeof (h), 1, f) != 1)
+ {
+ cpp_errno (pfile, CPP_DL_ERROR, "reading");
++ fclose (f);
+ return;
+ }
+
+@@ -425,7 +427,10 @@ c_common_read_pch (cpp_reader *pfile, co
+ gt_pch_restore (f);
+
+ if (cpp_read_state (pfile, name, f, smd) != 0)
+- return;
++ {
++ fclose (f);
++ return;
++ }
+
+ fclose (f);
+
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-rh330771.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-rh330771.patch
new file mode 100644
index 0000000000..4888ac47dd
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-rh330771.patch
@@ -0,0 +1,31 @@
+2007-10-16 Jakub Jelinek <jakub@redhat.com>
+
+ * Makefile.am (libgcj_tools_la_LIBADD): Add.
+ * Makefile.in: Regenerated.
+
+Index: libjava/Makefile.am
+===================================================================
+--- libjava/Makefile.am.orig 2010-03-21 12:41:37.000000000 -0700
++++ libjava/Makefile.am 2010-06-25 10:22:11.394130458 -0700
+@@ -507,6 +507,8 @@
+ libgcj_tools_la_GCJFLAGS = $(AM_GCJFLAGS) -findirect-dispatch \
+ -fno-bootstrap-classes -fno-indirect-classes \
+ -fsource-filename=$(here)/classpath/tools/all-classes.lst
++## See jv_convert_LDADD.
++libgcj_tools_la_LIBADD = -L$(here)/.libs libgcj.la
+ libgcj_tools_la_LDFLAGS = -rpath $(toolexeclibdir) \
+ -version-info `grep -v '^\#' $(srcdir)/libtool-version` \
+ $(LIBGCJ_LD_SYMBOLIC_FUNCTIONS) $(LIBJAVA_LDFLAGS_NOUNDEF)
+Index: libjava/Makefile.in
+===================================================================
+--- libjava/Makefile.in.orig 2010-04-02 11:18:06.000000000 -0700
++++ libjava/Makefile.in 2010-06-25 10:27:41.841708512 -0700
+@@ -1190,7 +1190,7 @@
+ -version-info `grep -v '^\#' $(srcdir)/libtool-version` \
+ $(LIBGCJ_LD_SYMBOLIC_FUNCTIONS) $(LIBJAVA_LDFLAGS_NOUNDEF)
+
+-libgcj_tools_la_LIBADD = libgcj.la -lm
++libgcj_tools_la_LIBADD = -L$(here)/.libs libgcj.la -lm
+ libgcj_tools_la_DEPENDENCIES = libgcj.la libgcj.spec $(am__append_22)
+ libgcj_tools_la_LINK = $(LIBLINK) $(libgcj_tools_la_LDFLAGS)
+ libjvm_la_SOURCES = jni-libjvm.cc
diff --git a/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-rh341221.patch b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-rh341221.patch
new file mode 100644
index 0000000000..7e2801b99b
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.5.0/fedora/gcc43-rh341221.patch
@@ -0,0 +1,32 @@
+2007-10-21 Jakub Jelinek <jakub@redhat.com>
+
+ * doc/Makefile.am (POD2MAN): Set date from cp-tools.texinfo
+ timestamp rather than from current date.
+ * doc/Makefile.in: Regenerated.
+
+Index: libjava/classpath/doc/Makefile.am
+===================================================================
+--- libjava/classpath/doc/Makefile.am.orig 2008-10-21 10:55:01.000000000 -0700
++++ libjava/classpath/doc/Makefile.am 2010-06-25 10:28:30.237631599 -0700
+@@ -31,7 +31,7 @@
+ gtnameserv.1 \
+ gjdoc.1
+
+-POD2MAN = pod2man --center="GNU" --release="$(VERSION)"
++POD2MAN = pod2man --center="GNU" --release="$(VERSION)" --date="$(shell ls --time-style=+%F -l $(srcdir)/cp-tools.texinfo | awk '{print $$6}')"
+ TEXI2POD = perl $(srcdir)/texi2pod.pl
+ STAMP = echo timestamp >
+
+Index: libjava/classpath/doc/Makefile.in
+===================================================================
+--- libjava/classpath/doc/Makefile.in.orig 2010-04-02 11:18:06.000000000 -0700
++++ libjava/classpath/doc/Makefile.in 2010-06-25 10:28:30.245635728 -0700
+@@ -376,7 +376,7 @@
+ gtnameserv.1 \
+ gjdoc.1
+
+-POD2MAN = pod2man --center="GNU" --release="$(VERSION)"
++POD2MAN = pod2man --center="GNU" --release="$(VERSION)" --date="$(shell ls --time-style=+%F -l $(srcdir)/cp-tools.texinfo | awk '{print $$6}')"
+ TEXI2POD = perl $(srcdir)/texi2pod.pl
+ STAMP = echo timestamp >
+ @GENINSRC_FALSE@STAMP_GENINSRC =