sys-devel/gcc: add some recent fixes for arm/arm64 and sse

3 files changed, 1094 insertions, 3 deletions

diff --git a/sys-devel/gcc/files/5.3.0/gcc-5.3.0-local_atomic-dont-redefine-inline.patch b/sys-devel/gcc/files/5.3.0/gcc-5.3.0-local_atomic-dont-redefine-inline.patch
new file mode 100644
index 0000000..ddefa4b
--- /dev/null
+++ b/sys-devel/gcc/files/5.3.0/gcc-5.3.0-local_atomic-dont-redefine-inline.patch
@@ -0,0 +1,1062 @@
+--- trunk/libitm/local_atomic	2015/01/05 12:33:28	219188
++++ trunk/libitm/local_atomic	2015/08/20 17:55:24	227040
+@@ -41,8 +41,7 @@
+ #ifndef _GLIBCXX_ATOMIC
+ #define _GLIBCXX_ATOMIC 1
+ 
+-#undef  __always_inline
+-#define __always_inline __attribute__((always_inline))
++#define __libitm_always_inline __attribute__((always_inline))
+ 
+ // #pragma GCC system_header
+ 
+@@ -74,7 +73,7 @@
+       memory_order_seq_cst
+     } memory_order;
+ 
+-  inline __always_inline memory_order
++  inline __libitm_always_inline memory_order
+   __calculate_memory_order(memory_order __m) noexcept
+   {
+     const bool __cond1 = __m == memory_order_release;
+@@ -84,13 +83,13 @@
+     return __mo2;
+   }
+ 
+-  inline __always_inline void
++  inline __libitm_always_inline void
+   atomic_thread_fence(memory_order __m) noexcept
+   {
+     __atomic_thread_fence (__m);
+   }
+ 
+-  inline __always_inline void
++  inline __libitm_always_inline void
+   atomic_signal_fence(memory_order __m) noexcept
+   {
+     __atomic_thread_fence (__m);
+@@ -280,19 +279,19 @@
+     // Conversion to ATOMIC_FLAG_INIT.
+     atomic_flag(bool __i) noexcept : __atomic_flag_base({ __i }) { }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     test_and_set(memory_order __m = memory_order_seq_cst) noexcept
+     {
+       return __atomic_test_and_set (&_M_i, __m);
+     }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     test_and_set(memory_order __m = memory_order_seq_cst) volatile noexcept
+     {
+       return __atomic_test_and_set (&_M_i, __m);
+     }
+ 
+-    __always_inline void
++    __libitm_always_inline void
+     clear(memory_order __m = memory_order_seq_cst) noexcept
+     {
+       // __glibcxx_assert(__m != memory_order_consume);
+@@ -302,7 +301,7 @@
+       __atomic_clear (&_M_i, __m);
+     }
+ 
+-    __always_inline void
++    __libitm_always_inline void
+     clear(memory_order __m = memory_order_seq_cst) volatile noexcept
+     {
+       // __glibcxx_assert(__m != memory_order_consume);
+@@ -455,7 +454,7 @@
+       is_lock_free() const volatile noexcept
+       { return __atomic_is_lock_free (sizeof (_M_i), &_M_i); }
+ 
+-      __always_inline void
++      __libitm_always_inline void
+       store(__int_type __i, memory_order __m = memory_order_seq_cst) noexcept
+       {
+ 	// __glibcxx_assert(__m != memory_order_acquire);
+@@ -465,7 +464,7 @@
+ 	__atomic_store_n(&_M_i, __i, __m);
+       }
+ 
+-      __always_inline void
++      __libitm_always_inline void
+       store(__int_type __i,
+ 	    memory_order __m = memory_order_seq_cst) volatile noexcept
+       {
+@@ -476,7 +475,7 @@
+ 	__atomic_store_n(&_M_i, __i, __m);
+       }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       load(memory_order __m = memory_order_seq_cst) const noexcept
+       {
+ 	// __glibcxx_assert(__m != memory_order_release);
+@@ -485,7 +484,7 @@
+ 	return __atomic_load_n(&_M_i, __m);
+       }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
+       {
+ 	// __glibcxx_assert(__m != memory_order_release);
+@@ -494,21 +493,21 @@
+ 	return __atomic_load_n(&_M_i, __m);
+       }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       exchange(__int_type __i,
+ 	       memory_order __m = memory_order_seq_cst) noexcept
+       {
+ 	return __atomic_exchange_n(&_M_i, __i, __m);
+       }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       exchange(__int_type __i,
+ 	       memory_order __m = memory_order_seq_cst) volatile noexcept
+       {
+ 	return __atomic_exchange_n(&_M_i, __i, __m);
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_weak(__int_type& __i1, __int_type __i2,
+ 			    memory_order __m1, memory_order __m2) noexcept
+       {
+@@ -519,7 +518,7 @@
+ 	return __atomic_compare_exchange_n(&_M_i, &__i1, __i2, 1, __m1, __m2);
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_weak(__int_type& __i1, __int_type __i2,
+ 			    memory_order __m1,
+ 			    memory_order __m2) volatile noexcept
+@@ -531,7 +530,7 @@
+ 	return __atomic_compare_exchange_n(&_M_i, &__i1, __i2, 1, __m1, __m2);
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_weak(__int_type& __i1, __int_type __i2,
+ 			    memory_order __m = memory_order_seq_cst) noexcept
+       {
+@@ -539,7 +538,7 @@
+ 				     __calculate_memory_order(__m));
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_weak(__int_type& __i1, __int_type __i2,
+ 		   memory_order __m = memory_order_seq_cst) volatile noexcept
+       {
+@@ -547,7 +546,7 @@
+ 				     __calculate_memory_order(__m));
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(__int_type& __i1, __int_type __i2,
+ 			      memory_order __m1, memory_order __m2) noexcept
+       {
+@@ -558,7 +557,7 @@
+ 	return __atomic_compare_exchange_n(&_M_i, &__i1, __i2, 0, __m1, __m2);
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(__int_type& __i1, __int_type __i2,
+ 			      memory_order __m1,
+ 			      memory_order __m2) volatile noexcept
+@@ -570,7 +569,7 @@
+ 	return __atomic_compare_exchange_n(&_M_i, &__i1, __i2, 0, __m1, __m2);
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(__int_type& __i1, __int_type __i2,
+ 			      memory_order __m = memory_order_seq_cst) noexcept
+       {
+@@ -578,7 +577,7 @@
+ 				       __calculate_memory_order(__m));
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(__int_type& __i1, __int_type __i2,
+ 		 memory_order __m = memory_order_seq_cst) volatile noexcept
+       {
+@@ -586,52 +585,52 @@
+ 				       __calculate_memory_order(__m));
+       }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       fetch_add(__int_type __i,
+ 		memory_order __m = memory_order_seq_cst) noexcept
+       { return __atomic_fetch_add(&_M_i, __i, __m); }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       fetch_add(__int_type __i,
+ 		memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return __atomic_fetch_add(&_M_i, __i, __m); }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       fetch_sub(__int_type __i,
+ 		memory_order __m = memory_order_seq_cst) noexcept
+       { return __atomic_fetch_sub(&_M_i, __i, __m); }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       fetch_sub(__int_type __i,
+ 		memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return __atomic_fetch_sub(&_M_i, __i, __m); }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       fetch_and(__int_type __i,
+ 		memory_order __m = memory_order_seq_cst) noexcept
+       { return __atomic_fetch_and(&_M_i, __i, __m); }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       fetch_and(__int_type __i,
+ 		memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return __atomic_fetch_and(&_M_i, __i, __m); }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       fetch_or(__int_type __i,
+ 	       memory_order __m = memory_order_seq_cst) noexcept
+       { return __atomic_fetch_or(&_M_i, __i, __m); }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       fetch_or(__int_type __i,
+ 	       memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return __atomic_fetch_or(&_M_i, __i, __m); }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       fetch_xor(__int_type __i,
+ 		memory_order __m = memory_order_seq_cst) noexcept
+       { return __atomic_fetch_xor(&_M_i, __i, __m); }
+ 
+-      __always_inline __int_type
++      __libitm_always_inline __int_type
+       fetch_xor(__int_type __i,
+ 		memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return __atomic_fetch_xor(&_M_i, __i, __m); }
+@@ -733,7 +732,7 @@
+       is_lock_free() const volatile noexcept
+       { return __atomic_is_lock_free (sizeof (_M_p), &_M_p); }
+ 
+-      __always_inline void
++      __libitm_always_inline void
+       store(__pointer_type __p,
+ 	    memory_order __m = memory_order_seq_cst) noexcept
+       {
+@@ -744,7 +743,7 @@
+ 	__atomic_store_n(&_M_p, __p, __m);
+       }
+ 
+-      __always_inline void
++      __libitm_always_inline void
+       store(__pointer_type __p,
+ 	    memory_order __m = memory_order_seq_cst) volatile noexcept
+       {
+@@ -755,7 +754,7 @@
+ 	__atomic_store_n(&_M_p, __p, __m);
+       }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       load(memory_order __m = memory_order_seq_cst) const noexcept
+       {
+ 	// __glibcxx_assert(__m != memory_order_release);
+@@ -764,7 +763,7 @@
+ 	return __atomic_load_n(&_M_p, __m);
+       }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
+       {
+ 	// __glibcxx_assert(__m != memory_order_release);
+@@ -773,21 +772,21 @@
+ 	return __atomic_load_n(&_M_p, __m);
+       }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       exchange(__pointer_type __p,
+ 	       memory_order __m = memory_order_seq_cst) noexcept
+       {
+ 	return __atomic_exchange_n(&_M_p, __p, __m);
+       }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       exchange(__pointer_type __p,
+ 	       memory_order __m = memory_order_seq_cst) volatile noexcept
+       {
+ 	return __atomic_exchange_n(&_M_p, __p, __m);
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2,
+ 			      memory_order __m1,
+ 			      memory_order __m2) noexcept
+@@ -799,7 +798,7 @@
+ 	return __atomic_compare_exchange_n(&_M_p, &__p1, __p2, 0, __m1, __m2);
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2,
+ 			      memory_order __m1,
+ 			      memory_order __m2) volatile noexcept
+@@ -811,22 +810,22 @@
+ 	return __atomic_compare_exchange_n(&_M_p, &__p1, __p2, 0, __m1, __m2);
+       }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       fetch_add(ptrdiff_t __d,
+ 		memory_order __m = memory_order_seq_cst) noexcept
+       { return __atomic_fetch_add(&_M_p, __d, __m); }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       fetch_add(ptrdiff_t __d,
+ 		memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return __atomic_fetch_add(&_M_p, __d, __m); }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       fetch_sub(ptrdiff_t __d,
+ 		memory_order __m = memory_order_seq_cst) noexcept
+       { return __atomic_fetch_sub(&_M_p, __d, __m); }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       fetch_sub(ptrdiff_t __d,
+ 		memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return __atomic_fetch_sub(&_M_p, __d, __m); }
+@@ -870,67 +869,67 @@
+     bool
+     is_lock_free() const volatile noexcept { return _M_base.is_lock_free(); }
+ 
+-    __always_inline void
++    __libitm_always_inline void
+     store(bool __i, memory_order __m = memory_order_seq_cst) noexcept
+     { _M_base.store(__i, __m); }
+ 
+-    __always_inline void
++    __libitm_always_inline void
+     store(bool __i, memory_order __m = memory_order_seq_cst) volatile noexcept
+     { _M_base.store(__i, __m); }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     load(memory_order __m = memory_order_seq_cst) const noexcept
+     { return _M_base.load(__m); }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     load(memory_order __m = memory_order_seq_cst) const volatile noexcept
+     { return _M_base.load(__m); }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     exchange(bool __i, memory_order __m = memory_order_seq_cst) noexcept
+     { return _M_base.exchange(__i, __m); }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     exchange(bool __i,
+ 	     memory_order __m = memory_order_seq_cst) volatile noexcept
+     { return _M_base.exchange(__i, __m); }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     compare_exchange_weak(bool& __i1, bool __i2, memory_order __m1,
+ 			  memory_order __m2) noexcept
+     { return _M_base.compare_exchange_weak(__i1, __i2, __m1, __m2); }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     compare_exchange_weak(bool& __i1, bool __i2, memory_order __m1,
+ 			  memory_order __m2) volatile noexcept
+     { return _M_base.compare_exchange_weak(__i1, __i2, __m1, __m2); }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     compare_exchange_weak(bool& __i1, bool __i2,
+ 			  memory_order __m = memory_order_seq_cst) noexcept
+     { return _M_base.compare_exchange_weak(__i1, __i2, __m); }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     compare_exchange_weak(bool& __i1, bool __i2,
+ 		     memory_order __m = memory_order_seq_cst) volatile noexcept
+     { return _M_base.compare_exchange_weak(__i1, __i2, __m); }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     compare_exchange_strong(bool& __i1, bool __i2, memory_order __m1,
+ 			    memory_order __m2) noexcept
+     { return _M_base.compare_exchange_strong(__i1, __i2, __m1, __m2); }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     compare_exchange_strong(bool& __i1, bool __i2, memory_order __m1,
+ 			    memory_order __m2) volatile noexcept
+     { return _M_base.compare_exchange_strong(__i1, __i2, __m1, __m2); }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     compare_exchange_strong(bool& __i1, bool __i2,
+ 			    memory_order __m = memory_order_seq_cst) noexcept
+     { return _M_base.compare_exchange_strong(__i1, __i2, __m); }
+ 
+-    __always_inline bool
++    __libitm_always_inline bool
+     compare_exchange_strong(bool& __i1, bool __i2,
+ 		    memory_order __m = memory_order_seq_cst) volatile noexcept
+     { return _M_base.compare_exchange_strong(__i1, __i2, __m); }
+@@ -980,11 +979,11 @@
+       store(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept
+       { __atomic_store(&_M_i, &__i, _m); }
+ 
+-      __always_inline void
++      __libitm_always_inline void
+       store(_Tp __i, memory_order _m = memory_order_seq_cst) volatile noexcept
+       { __atomic_store(&_M_i, &__i, _m); }
+ 
+-      __always_inline _Tp
++      __libitm_always_inline _Tp
+       load(memory_order _m = memory_order_seq_cst) const noexcept
+       { 
+         _Tp tmp;
+@@ -992,7 +991,7 @@
+ 	return tmp;
+       }
+ 
+-      __always_inline _Tp
++      __libitm_always_inline _Tp
+       load(memory_order _m = memory_order_seq_cst) const volatile noexcept
+       { 
+         _Tp tmp;
+@@ -1000,7 +999,7 @@
+ 	return tmp;
+       }
+ 
+-      __always_inline _Tp
++      __libitm_always_inline _Tp
+       exchange(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept
+       { 
+         _Tp tmp;
+@@ -1008,7 +1007,7 @@
+ 	return tmp;
+       }
+ 
+-      __always_inline _Tp
++      __libitm_always_inline _Tp
+       exchange(_Tp __i, 
+ 	       memory_order _m = memory_order_seq_cst) volatile noexcept
+       { 
+@@ -1017,50 +1016,50 @@
+ 	return tmp;
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_weak(_Tp& __e, _Tp __i, memory_order __s, 
+ 			    memory_order __f) noexcept
+       {
+ 	return __atomic_compare_exchange(&_M_i, &__e, &__i, true, __s, __f); 
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_weak(_Tp& __e, _Tp __i, memory_order __s, 
+ 			    memory_order __f) volatile noexcept
+       {
+ 	return __atomic_compare_exchange(&_M_i, &__e, &__i, true, __s, __f); 
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_weak(_Tp& __e, _Tp __i,
+ 			    memory_order __m = memory_order_seq_cst) noexcept
+       { return compare_exchange_weak(__e, __i, __m, __m); }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_weak(_Tp& __e, _Tp __i,
+ 		     memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return compare_exchange_weak(__e, __i, __m, __m); }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(_Tp& __e, _Tp __i, memory_order __s, 
+ 			      memory_order __f) noexcept
+       {
+ 	return __atomic_compare_exchange(&_M_i, &__e, &__i, false, __s, __f); 
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(_Tp& __e, _Tp __i, memory_order __s, 
+ 			      memory_order __f) volatile noexcept
+       {
+ 	return __atomic_compare_exchange(&_M_i, &__e, &__i, false, __s, __f); 
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(_Tp& __e, _Tp __i,
+ 			       memory_order __m = memory_order_seq_cst) noexcept
+       { return compare_exchange_strong(__e, __i, __m, __m); }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(_Tp& __e, _Tp __i,
+ 		     memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return compare_exchange_strong(__e, __i, __m, __m); }
+@@ -1153,46 +1152,46 @@
+       is_lock_free() const volatile noexcept
+       { return _M_b.is_lock_free(); }
+ 
+-      __always_inline void
++      __libitm_always_inline void
+       store(__pointer_type __p,
+ 	    memory_order __m = memory_order_seq_cst) noexcept
+       { return _M_b.store(__p, __m); }
+ 
+-      __always_inline void
++      __libitm_always_inline void
+       store(__pointer_type __p,
+ 	    memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return _M_b.store(__p, __m); }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       load(memory_order __m = memory_order_seq_cst) const noexcept
+       { return _M_b.load(__m); }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
+       { return _M_b.load(__m); }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       exchange(__pointer_type __p,
+ 	       memory_order __m = memory_order_seq_cst) noexcept
+       { return _M_b.exchange(__p, __m); }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       exchange(__pointer_type __p,
+ 	       memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return _M_b.exchange(__p, __m); }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_weak(__pointer_type& __p1, __pointer_type __p2,
+ 			    memory_order __m1, memory_order __m2) noexcept
+       { return _M_b.compare_exchange_strong(__p1, __p2, __m1, __m2); }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_weak(__pointer_type& __p1, __pointer_type __p2,
+ 			    memory_order __m1,
+ 			    memory_order __m2) volatile noexcept
+       { return _M_b.compare_exchange_strong(__p1, __p2, __m1, __m2); }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_weak(__pointer_type& __p1, __pointer_type __p2,
+ 			    memory_order __m = memory_order_seq_cst) noexcept
+       {
+@@ -1200,7 +1199,7 @@
+ 				     __calculate_memory_order(__m));
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_weak(__pointer_type& __p1, __pointer_type __p2,
+ 		    memory_order __m = memory_order_seq_cst) volatile noexcept
+       {
+@@ -1208,18 +1207,18 @@
+ 				     __calculate_memory_order(__m));
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2,
+ 			      memory_order __m1, memory_order __m2) noexcept
+       { return _M_b.compare_exchange_strong(__p1, __p2, __m1, __m2); }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2,
+ 			      memory_order __m1,
+ 			      memory_order __m2) volatile noexcept
+       { return _M_b.compare_exchange_strong(__p1, __p2, __m1, __m2); }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2,
+ 			      memory_order __m = memory_order_seq_cst) noexcept
+       {
+@@ -1227,7 +1226,7 @@
+ 					    __calculate_memory_order(__m));
+       }
+ 
+-      __always_inline bool
++      __libitm_always_inline bool
+       compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2,
+ 		    memory_order __m = memory_order_seq_cst) volatile noexcept
+       {
+@@ -1235,22 +1234,22 @@
+ 					    __calculate_memory_order(__m));
+       }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       fetch_add(ptrdiff_t __d,
+ 		memory_order __m = memory_order_seq_cst) noexcept
+       { return _M_b.fetch_add(__d, __m); }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       fetch_add(ptrdiff_t __d,
+ 		memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return _M_b.fetch_add(__d, __m); }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       fetch_sub(ptrdiff_t __d,
+ 		memory_order __m = memory_order_seq_cst) noexcept
+       { return _M_b.fetch_sub(__d, __m); }
+ 
+-      __always_inline __pointer_type
++      __libitm_always_inline __pointer_type
+       fetch_sub(ptrdiff_t __d,
+ 		memory_order __m = memory_order_seq_cst) volatile noexcept
+       { return _M_b.fetch_sub(__d, __m); }
+@@ -1544,98 +1543,98 @@
+ 
+ 
+   // Function definitions, atomic_flag operations.
+-  inline __always_inline bool
++  inline __libitm_always_inline bool
+   atomic_flag_test_and_set_explicit(atomic_flag* __a,
+ 				    memory_order __m) noexcept
+   { return __a->test_and_set(__m); }
+ 
+-  inline __always_inline bool
++  inline __libitm_always_inline bool
+   atomic_flag_test_and_set_explicit(volatile atomic_flag* __a,
+ 				    memory_order __m) noexcept
+   { return __a->test_and_set(__m); }
+ 
+-  inline __always_inline void
++  inline __libitm_always_inline void
+   atomic_flag_clear_explicit(atomic_flag* __a, memory_order __m) noexcept
+   { __a->clear(__m); }
+ 
+-  inline __always_inline void
++  inline __libitm_always_inline void
+   atomic_flag_clear_explicit(volatile atomic_flag* __a,
+ 			     memory_order __m) noexcept
+   { __a->clear(__m); }
+ 
+-  inline __always_inline bool
++  inline __libitm_always_inline bool
+   atomic_flag_test_and_set(atomic_flag* __a) noexcept
+   { return atomic_flag_test_and_set_explicit(__a, memory_order_seq_cst); }
+ 
+-  inline __always_inline bool
++  inline __libitm_always_inline bool
+   atomic_flag_test_and_set(volatile atomic_flag* __a) noexcept
+   { return atomic_flag_test_and_set_explicit(__a, memory_order_seq_cst); }
+ 
+-  inline __always_inline void
++  inline __libitm_always_inline void
+   atomic_flag_clear(atomic_flag* __a) noexcept
+   { atomic_flag_clear_explicit(__a, memory_order_seq_cst); }
+ 
+-  inline __always_inline void
++  inline __libitm_always_inline void
+   atomic_flag_clear(volatile atomic_flag* __a) noexcept
+   { atomic_flag_clear_explicit(__a, memory_order_seq_cst); }
+ 
+ 
+   // Function templates generally applicable to atomic types.
+   template<typename _ITp>
+-    __always_inline bool
++    __libitm_always_inline bool
+     atomic_is_lock_free(const atomic<_ITp>* __a) noexcept
+     { return __a->is_lock_free(); }
+ 
+   template<typename _ITp>
+-    __always_inline bool
++    __libitm_always_inline bool
+     atomic_is_lock_free(const volatile atomic<_ITp>* __a) noexcept
+     { return __a->is_lock_free(); }
+ 
+   template<typename _ITp>
+-    __always_inline void
++    __libitm_always_inline void
+     atomic_init(atomic<_ITp>* __a, _ITp __i) noexcept;
+ 
+   template<typename _ITp>
+-    __always_inline void
++    __libitm_always_inline void
+     atomic_init(volatile atomic<_ITp>* __a, _ITp __i) noexcept;
+ 
+   template<typename _ITp>
+-    __always_inline void
++    __libitm_always_inline void
+     atomic_store_explicit(atomic<_ITp>* __a, _ITp __i,
+ 			  memory_order __m) noexcept
+     { __a->store(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline void
++    __libitm_always_inline void
+     atomic_store_explicit(volatile atomic<_ITp>* __a, _ITp __i,
+ 			  memory_order __m) noexcept
+     { __a->store(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_load_explicit(const atomic<_ITp>* __a, memory_order __m) noexcept
+     { return __a->load(__m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_load_explicit(const volatile atomic<_ITp>* __a,
+ 			 memory_order __m) noexcept
+     { return __a->load(__m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_exchange_explicit(atomic<_ITp>* __a, _ITp __i,
+ 			     memory_order __m) noexcept
+     { return __a->exchange(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_exchange_explicit(volatile atomic<_ITp>* __a, _ITp __i,
+ 			     memory_order __m) noexcept
+     { return __a->exchange(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline bool
++    __libitm_always_inline bool
+     atomic_compare_exchange_weak_explicit(atomic<_ITp>* __a,
+ 					  _ITp* __i1, _ITp __i2,
+ 					  memory_order __m1,
+@@ -1643,7 +1642,7 @@
+     { return __a->compare_exchange_weak(*__i1, __i2, __m1, __m2); }
+ 
+   template<typename _ITp>
+-    __always_inline bool
++    __libitm_always_inline bool
+     atomic_compare_exchange_weak_explicit(volatile atomic<_ITp>* __a,
+ 					  _ITp* __i1, _ITp __i2,
+ 					  memory_order __m1,
+@@ -1651,7 +1650,7 @@
+     { return __a->compare_exchange_weak(*__i1, __i2, __m1, __m2); }
+ 
+   template<typename _ITp>
+-    __always_inline bool
++    __libitm_always_inline bool
+     atomic_compare_exchange_strong_explicit(atomic<_ITp>* __a,
+ 					    _ITp* __i1, _ITp __i2,
+ 					    memory_order __m1,
+@@ -1659,7 +1658,7 @@
+     { return __a->compare_exchange_strong(*__i1, __i2, __m1, __m2); }
+ 
+   template<typename _ITp>
+-    __always_inline bool
++    __libitm_always_inline bool
+     atomic_compare_exchange_strong_explicit(volatile atomic<_ITp>* __a,
+ 					    _ITp* __i1, _ITp __i2,
+ 					    memory_order __m1,
+@@ -1668,37 +1667,37 @@
+ 
+ 
+   template<typename _ITp>
+-    __always_inline void
++    __libitm_always_inline void
+     atomic_store(atomic<_ITp>* __a, _ITp __i) noexcept
+     { atomic_store_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline void
++    __libitm_always_inline void
+     atomic_store(volatile atomic<_ITp>* __a, _ITp __i) noexcept
+     { atomic_store_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_load(const atomic<_ITp>* __a) noexcept
+     { return atomic_load_explicit(__a, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_load(const volatile atomic<_ITp>* __a) noexcept
+     { return atomic_load_explicit(__a, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_exchange(atomic<_ITp>* __a, _ITp __i) noexcept
+     { return atomic_exchange_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_exchange(volatile atomic<_ITp>* __a, _ITp __i) noexcept
+     { return atomic_exchange_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline bool
++    __libitm_always_inline bool
+     atomic_compare_exchange_weak(atomic<_ITp>* __a,
+ 				 _ITp* __i1, _ITp __i2) noexcept
+     {
+@@ -1708,7 +1707,7 @@
+     }
+ 
+   template<typename _ITp>
+-    __always_inline bool
++    __libitm_always_inline bool
+     atomic_compare_exchange_weak(volatile atomic<_ITp>* __a,
+ 				 _ITp* __i1, _ITp __i2) noexcept
+     {
+@@ -1718,7 +1717,7 @@
+     }
+ 
+   template<typename _ITp>
+-    __always_inline bool
++    __libitm_always_inline bool
+     atomic_compare_exchange_strong(atomic<_ITp>* __a,
+ 				   _ITp* __i1, _ITp __i2) noexcept
+     {
+@@ -1728,7 +1727,7 @@
+     }
+ 
+   template<typename _ITp>
+-    __always_inline bool
++    __libitm_always_inline bool
+     atomic_compare_exchange_strong(volatile atomic<_ITp>* __a,
+ 				   _ITp* __i1, _ITp __i2) noexcept
+     {
+@@ -1742,158 +1741,158 @@
+   // intergral types as specified in the standard, excluding address
+   // types.
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_add_explicit(__atomic_base<_ITp>* __a, _ITp __i,
+ 			      memory_order __m) noexcept
+     { return __a->fetch_add(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_add_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i,
+ 			      memory_order __m) noexcept
+     { return __a->fetch_add(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_sub_explicit(__atomic_base<_ITp>* __a, _ITp __i,
+ 			      memory_order __m) noexcept
+     { return __a->fetch_sub(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_sub_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i,
+ 			      memory_order __m) noexcept
+     { return __a->fetch_sub(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_and_explicit(__atomic_base<_ITp>* __a, _ITp __i,
+ 			      memory_order __m) noexcept
+     { return __a->fetch_and(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_and_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i,
+ 			      memory_order __m) noexcept
+     { return __a->fetch_and(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_or_explicit(__atomic_base<_ITp>* __a, _ITp __i,
+ 			     memory_order __m) noexcept
+     { return __a->fetch_or(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_or_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i,
+ 			     memory_order __m) noexcept
+     { return __a->fetch_or(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_xor_explicit(__atomic_base<_ITp>* __a, _ITp __i,
+ 			      memory_order __m) noexcept
+     { return __a->fetch_xor(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_xor_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i,
+ 			      memory_order __m) noexcept
+     { return __a->fetch_xor(__i, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_add(__atomic_base<_ITp>* __a, _ITp __i) noexcept
+     { return atomic_fetch_add_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_add(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
+     { return atomic_fetch_add_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_sub(__atomic_base<_ITp>* __a, _ITp __i) noexcept
+     { return atomic_fetch_sub_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_sub(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
+     { return atomic_fetch_sub_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_and(__atomic_base<_ITp>* __a, _ITp __i) noexcept
+     { return atomic_fetch_and_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_and(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
+     { return atomic_fetch_and_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_or(__atomic_base<_ITp>* __a, _ITp __i) noexcept
+     { return atomic_fetch_or_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_or(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
+     { return atomic_fetch_or_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_xor(__atomic_base<_ITp>* __a, _ITp __i) noexcept
+     { return atomic_fetch_xor_explicit(__a, __i, memory_order_seq_cst); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp
++    __libitm_always_inline _ITp
+     atomic_fetch_xor(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
+     { return atomic_fetch_xor_explicit(__a, __i, memory_order_seq_cst); }
+ 
+ 
+   // Partial specializations for pointers.
+   template<typename _ITp>
+-    __always_inline _ITp*
++    __libitm_always_inline _ITp*
+     atomic_fetch_add_explicit(atomic<_ITp*>* __a, ptrdiff_t __d,
+ 			      memory_order __m) noexcept
+     { return __a->fetch_add(__d, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp*
++    __libitm_always_inline _ITp*
+     atomic_fetch_add_explicit(volatile atomic<_ITp*>* __a, ptrdiff_t __d,
+ 			      memory_order __m) noexcept
+     { return __a->fetch_add(__d, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp*
++    __libitm_always_inline _ITp*
+     atomic_fetch_add(volatile atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
+     { return __a->fetch_add(__d); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp*
++    __libitm_always_inline _ITp*
+     atomic_fetch_add(atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
+     { return __a->fetch_add(__d); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp*
++    __libitm_always_inline _ITp*
+     atomic_fetch_sub_explicit(volatile atomic<_ITp*>* __a,
+ 			      ptrdiff_t __d, memory_order __m) noexcept
+     { return __a->fetch_sub(__d, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp*
++    __libitm_always_inline _ITp*
+     atomic_fetch_sub_explicit(atomic<_ITp*>* __a, ptrdiff_t __d,
+ 			      memory_order __m) noexcept
+     { return __a->fetch_sub(__d, __m); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp*
++    __libitm_always_inline _ITp*
+     atomic_fetch_sub(volatile atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
+     { return __a->fetch_sub(__d); }
+ 
+   template<typename _ITp>
+-    __always_inline _ITp*
++    __libitm_always_inline _ITp*
+     atomic_fetch_sub(atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
+     { return __a->fetch_sub(__d); }
+   // @} group atomics
diff --git a/sys-devel/gcc/files/5.3.0/gcc-5.3.0-save_require_frame-pointer_when_stack_misaligned.patch b/sys-devel/gcc/files/5.3.0/gcc-5.3.0-save_require_frame-pointer_when_stack_misaligned.patch
new file mode 100644
index 0000000..3343d8c
--- /dev/null
+++ b/sys-devel/gcc/files/5.3.0/gcc-5.3.0-save_require_frame-pointer_when_stack_misaligned.patch
@@ -0,0 +1,22 @@
+--- a/gcc/config/i386/i386.c	2016/01/18 16:18:49	232527
++++ b/gcc/config/i386/i386.c	2016/01/18 16:19:53	232528
+@@ -9690,6 +9690,10 @@
+   if (TARGET_64BIT_MS_ABI && get_frame_size () > SEH_MAX_FRAME_SIZE)
+     return true;
+ 
++  /* SSE saves require frame-pointer when stack is misaligned.  */
++  if (TARGET_64BIT_MS_ABI && ix86_incoming_stack_boundary < 128)
++    return true;
++  
+   /* In ix86_option_override_internal, TARGET_OMIT_LEAF_FRAME_POINTER
+      turns off the frame pointer by default.  Turn it back on now if
+      we've not got a leaf function.  */
+@@ -13065,6 +13065,8 @@
+       m->fs.fp_valid = true;
+     }
+ 
++  m->fs.sp_valid = !frame_pointer_needed;
++
+   if (!int_registers_saved)
+     ix86_emit_save_regs_using_mov (frame.reg_save_offset);
+   if (!sse_registers_saved)
diff --git a/sys-devel/gcc/gcc-5.3.0.ebuild b/sys-devel/gcc/gcc-5.3.0.ebuild
index 3225928..e8fd2d4 100644
--- a/sys-devel/gcc/gcc-5.3.0.ebuild
+++ b/sys-devel/gcc/gcc-5.3.0.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2015 Gentoo Foundation
+# Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
@@ -40,9 +40,16 @@ src_prepare() {
 		ewarn "Please rebuild gcc after upgrading to >=glibc-2.12 #362315"
 		EPATCH_EXCLUDE+=" 10_all_default-fortify-source.patch"
 	fi
-	is_crosscompile && EPATCH_EXCLUDE+=" 05_all_gcc-spec-env.patch"
+	if is_crosscompile ; then
+		EPATCH_EXCLUDE+=" 05_all_gcc-spec-env.patch"
+	fi
+
+	# add some arm/arm64 goodness
+	epatch "${FILESDIR}"/${PV}/${P}-arm-neon-array-size.patch
+	epatch "${FILESDIR}"/${PV}/${P}-local_atomic-dont-redefine-inline.patch
 
-	[[ ${ARCH} == arm* ]] && epatch "${FILESDIR}"/${PV}/${P}-arm-neon-array-size.patch
+	# add upstream alignment patch
+	epatch "${FILESDIR}"/${PV}/${P}-save_require_frame-pointer_when_stack_misaligned.patch
 
 	toolchain_src_prepare
 }