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-rw-r--r--libgcc/ChangeLog68
-rw-r--r--libgcc/config/gcn/unwind-gcn.c27
-rw-r--r--libgcc/config/i386/gthr-win32.h81
-rw-r--r--libgcc/config/nvptx/alloca.c38
-rw-r--r--libgcc/config/nvptx/t-nvptx3
-rw-r--r--libgcc/config/nvptx/unwind-nvptx.c27
6 files changed, 208 insertions, 36 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index ebfb4e2..946bf13 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,71 @@
+2025-04-14 Thomas Schwinge <tschwinge@baylibre.com>
+
+ PR target/118794
+ * config/gcn/unwind-gcn.c (_Unwind_Resume): New.
+ * config/nvptx/unwind-nvptx.c (_Unwind_Resume): Likewise.
+
+2025-04-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/119673
+ * config/i386/gthr-win32.h (__GTHREAD_ALWAYS_INLINE): New macro.
+ (__GTHREAD_INLINE): Likewise.
+ (__GTHR_W32_InterlockedCompareExchange): Delete.
+ (__gthread_active_p): Mark as __GTHREAD_INLINE instead of
+ static inline.
+ (__gthread_create): Likewise.
+ (__gthread_join): Likewise.
+ (__gthread_self): Likewise.
+ (__gthread_detach): Likewise.
+ (__gthread_equal): Likewise.
+ (__gthread_yield): Likewise.
+ (__gthread_once): Likewise.
+ (__gthread_key_create): Likewise.
+ (__gthread_key_delete): Likewise.
+ (__gthread_getspecific): Likewise.
+ (__gthread_setspecific): Likewise.
+ (__gthread_mutex_init_function): Likewise.
+ (__gthread_mutex_destroy): Likewise.
+ (__gthread_mutex_lock): Likewise.
+ (__gthread_mutex_trylock): Likewise.
+ (__gthread_mutex_timedlock): Likewise.
+ (__gthread_mutex_unlock): Likewise.
+ (__gthread_recursive_mutex_trylock): Likewise.
+ (__gthread_cond_init_function): Likewise.
+ (__gthread_cond_broadcast): Likewise.
+ (__gthread_cond_signal): Likewise.
+ (__gthread_cond_wait): Likewise.
+ (__gthread_cond_timedwait): Likewise.
+ (__GTHREAD_WIN32_INLINE): Likewise.
+ (__GTHREAD_WIN32_COND_INLINE): Likewise.
+ (__gthread_recursive_mutex_init_function): Likewise.
+ (__gthread_recursive_mutex_destroy): Likewise.
+ (__gthread_recursive_mutex_lock): Likewise.
+ (__gthread_recursive_mutex_unlock): Likewise.
+ (__gthread_cond_destroy): Likewise.
+ (__gthread_cond_wait_recursive): Likewise.
+
+2025-04-08 Thomas Schwinge <tschwinge@baylibre.com>
+
+ * config/gcn/unwind-gcn.c (_Unwind_RaiseException)
+ (_Unwind_Resume_or_Rethrow): New.
+ * config/nvptx/unwind-nvptx.c (_Unwind_RaiseException)
+ (_Unwind_Resume_or_Rethrow): Likewise.
+
+2025-04-08 Thomas Schwinge <tschwinge@baylibre.com>
+
+ * config/gcn/unwind-gcn.c (_Unwind_DeleteException): New.
+ * config/nvptx/unwind-nvptx.c (_Unwind_DeleteException): Likewise.
+
+2025-04-07 Thomas Schwinge <tschwinge@baylibre.com>
+
+ * config/nvptx/alloca.c: New.
+ * config/nvptx/t-nvptx (LIB2ADD): Add it.
+
+2025-04-07 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/lib1funcs.S (__mulhisi3, __umulhisi3): Use
+ __mulhisi3_helper for better performance on AVRrc.
+
2025-04-06 Georg-Johann Lay <avr@gjlay.de>
* config/avr/t-avr (LIB1ASMFUNCS): Add (and remove from
diff --git a/libgcc/config/gcn/unwind-gcn.c b/libgcc/config/gcn/unwind-gcn.c
index 44657ae..97e22c0 100644
--- a/libgcc/config/gcn/unwind-gcn.c
+++ b/libgcc/config/gcn/unwind-gcn.c
@@ -25,6 +25,33 @@
#include "unwind.h"
_Unwind_Reason_Code
+_Unwind_RaiseException(struct _Unwind_Exception *exc __attribute__ ((__unused__)))
+{
+ __builtin_abort ();
+ return 0;
+}
+
+void
+_Unwind_DeleteException (struct _Unwind_Exception *exc)
+{
+ if (exc->exception_cleanup)
+ (*exc->exception_cleanup) (_URC_FOREIGN_EXCEPTION_CAUGHT, exc);
+}
+
+void
+_Unwind_Resume (struct _Unwind_Exception *exc __attribute__ ((__unused__)))
+{
+ __builtin_abort ();
+}
+
+_Unwind_Reason_Code
+_Unwind_Resume_or_Rethrow (struct _Unwind_Exception *exc __attribute__ ((__unused__)))
+{
+ __builtin_abort ();
+ return 0;
+}
+
+_Unwind_Reason_Code
_Unwind_Backtrace(_Unwind_Trace_Fn trace, void * trace_argument)
{
return 0;
diff --git a/libgcc/config/i386/gthr-win32.h b/libgcc/config/i386/gthr-win32.h
index 98e11b4..34988d4 100644
--- a/libgcc/config/i386/gthr-win32.h
+++ b/libgcc/config/i386/gthr-win32.h
@@ -71,6 +71,21 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#error Timed lock primitives are not supported on Windows targets
#endif
+#ifdef __has_attribute
+# if __has_attribute(__always_inline__)
+# define __GTHREAD_ALWAYS_INLINE __attribute__((__always_inline__))
+# endif
+#endif
+#ifndef __GTHREAD_ALWAYS_INLINE
+# define __GTHREAD_ALWAYS_INLINE
+#endif
+
+#ifdef __cplusplus
+# define __GTHREAD_INLINE inline __GTHREAD_ALWAYS_INLINE
+#else
+# define __GTHREAD_INLINE static inline
+#endif
+
/* Make sure CONST_CAST2 (origin in system.h) is declared. */
#ifndef CONST_CAST2
#ifdef __cplusplus
@@ -398,11 +413,7 @@ extern int _CRT_MT;
extern int __mingwthr_key_dtor (unsigned long, void (*) (void *));
#endif /* _WIN32 && !__CYGWIN__ */
-/* __GTHR_W32_InterlockedCompareExchange is left over from win95,
- which did not support InterlockedCompareExchange. */
-#define __GTHR_W32_InterlockedCompareExchange InterlockedCompareExchange
-
-static inline int
+__GTHREAD_INLINE int
__gthread_active_p (void)
{
#ifdef MINGW32_SUPPORTS_MT_EH
@@ -438,20 +449,20 @@ extern int __gthr_win32_cond_timedwait (__gthread_cond_t *, __gthread_mutex_t *,
const __gthread_time_t *);
#endif
-static inline int
+__GTHREAD_INLINE int
__gthread_create (__gthread_t *__thr, void *(*__func) (void*),
void *__args)
{
return __gthr_win32_create (__thr, __func, __args);
}
-static inline int
+__GTHREAD_INLINE int
__gthread_join (__gthread_t __thr, void **__value_ptr)
{
return __gthr_win32_join (__thr, __value_ptr);
}
-static inline __gthread_t
+__GTHREAD_INLINE __gthread_t
__gthread_self (void)
{
return __gthr_win32_self ();
@@ -463,25 +474,25 @@ __gthread_self (void)
Only stubs are exposed to avoid polluting the C++ namespace with
Win32 API definitions. */
-static inline int
+__GTHREAD_INLINE int
__gthread_detach (__gthread_t __thr)
{
return __gthr_win32_detach (__thr);
}
-static inline int
+__GTHREAD_INLINE int
__gthread_equal (__gthread_t __thr1, __gthread_t __thr2)
{
return __gthr_win32_equal (__thr1, __thr2);
}
-static inline int
+__GTHREAD_INLINE int
__gthread_yield (void)
{
return __gthr_win32_yield ();
}
-static inline int
+__GTHREAD_INLINE int
__gthread_once (__gthread_once_t *__once, void (*__func) (void))
{
if (__gthread_active_p ())
@@ -490,43 +501,43 @@ __gthread_once (__gthread_once_t *__once, void (*__func) (void))
return -1;
}
-static inline int
+__GTHREAD_INLINE int
__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
{
return __gthr_win32_key_create (__key, __dtor);
}
-static inline int
+__GTHREAD_INLINE int
__gthread_key_delete (__gthread_key_t __key)
{
return __gthr_win32_key_delete (__key);
}
-static inline void *
+__GTHREAD_INLINE void *
__gthread_getspecific (__gthread_key_t __key)
{
return __gthr_win32_getspecific (__key);
}
-static inline int
+__GTHREAD_INLINE int
__gthread_setspecific (__gthread_key_t __key, const void *__ptr)
{
return __gthr_win32_setspecific (__key, __ptr);
}
-static inline void
+__GTHREAD_INLINE void
__gthread_mutex_init_function (__gthread_mutex_t *__mutex)
{
__gthr_win32_mutex_init_function (__mutex);
}
-static inline void
+__GTHREAD_INLINE void
__gthread_mutex_destroy (__gthread_mutex_t *__mutex)
{
__gthr_win32_mutex_destroy (__mutex);
}
-static inline int
+__GTHREAD_INLINE int
__gthread_mutex_lock (__gthread_mutex_t *__mutex)
{
if (__gthread_active_p ())
@@ -535,7 +546,7 @@ __gthread_mutex_lock (__gthread_mutex_t *__mutex)
return 0;
}
-static inline int
+__GTHREAD_INLINE int
__gthread_mutex_trylock (__gthread_mutex_t *__mutex)
{
if (__gthread_active_p ())
@@ -544,7 +555,7 @@ __gthread_mutex_trylock (__gthread_mutex_t *__mutex)
return 0;
}
-static inline int
+__GTHREAD_INLINE int
__gthread_mutex_unlock (__gthread_mutex_t *__mutex)
{
if (__gthread_active_p ())
@@ -553,7 +564,7 @@ __gthread_mutex_unlock (__gthread_mutex_t *__mutex)
return 0;
}
-static inline int
+__GTHREAD_INLINE int
__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
{
if (__gthread_active_p ())
@@ -564,31 +575,31 @@ __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
#if __GTHREAD_HAS_COND
-static inline void
+__GTHREAD_INLINE void
__gthread_cond_init_function (__gthread_cond_t *__cond)
{
__gthr_win32_cond_init_function (__cond);
}
-static inline int
+__GTHREAD_INLINE int
__gthread_cond_broadcast (__gthread_cond_t *__cond)
{
return __gthr_win32_cond_broadcast (__cond);
}
-static inline int
+__GTHREAD_INLINE int
__gthread_cond_signal (__gthread_cond_t *__cond)
{
return __gthr_win32_cond_signal (__cond);
}
-static inline int
+__GTHREAD_INLINE int
__gthread_cond_wait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex)
{
return __gthr_win32_cond_wait (__cond, __mutex);
}
-static inline int
+__GTHREAD_INLINE int
__gthread_cond_timedwait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex,
const __gthread_time_t *__abs_time)
{
@@ -600,11 +611,11 @@ __gthread_cond_timedwait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex,
#else /* ! __GTHREAD_HIDE_WIN32API */
#ifndef __GTHREAD_WIN32_INLINE
-#define __GTHREAD_WIN32_INLINE static inline
+#define __GTHREAD_WIN32_INLINE __GTHREAD_INLINE
#endif
#ifndef __GTHREAD_WIN32_COND_INLINE
-#define __GTHREAD_WIN32_COND_INLINE static inline
+#define __GTHREAD_WIN32_COND_INLINE __GTHREAD_INLINE
#endif
#ifndef __GTHREAD_WIN32_ACTIVE_P
@@ -828,25 +839,25 @@ __gthread_cond_timedwait (__gthread_cond_t *__cond,
#endif /* __GTHREAD_HIDE_WIN32API */
-static inline void
+__GTHREAD_INLINE void
__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex)
{
__gthread_mutex_init_function (__mutex);
}
-static inline void
+__GTHREAD_INLINE void
__gthread_recursive_mutex_destroy (__gthread_recursive_mutex_t *__mutex)
{
__gthread_mutex_destroy (__mutex);
}
-static inline int
+__GTHREAD_INLINE int
__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
{
return __gthread_mutex_lock (__mutex);
}
-static inline int
+__GTHREAD_INLINE int
__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
{
return __gthread_mutex_unlock (__mutex);
@@ -854,13 +865,13 @@ __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
#if __GTHREAD_HAS_COND
-static inline int
+__GTHREAD_INLINE int
__gthread_cond_destroy (__gthread_cond_t *__cond ATTRIBUTE_UNUSED)
{
return 0;
}
-static inline int
+__GTHREAD_INLINE int
__gthread_cond_wait_recursive (__gthread_cond_t *__cond,
__gthread_recursive_mutex_t *__mutex)
{
diff --git a/libgcc/config/nvptx/alloca.c b/libgcc/config/nvptx/alloca.c
new file mode 100644
index 0000000..09bdeb6
--- /dev/null
+++ b/libgcc/config/nvptx/alloca.c
@@ -0,0 +1,38 @@
+/* Fake 'alloca' implementation.
+
+ Copyright (C) 2025 Free Software Foundation, Inc.
+
+ This file is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the
+ Free Software Foundation; either version 3, or (at your option) any
+ later version.
+
+ This file is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* For '-mfake-ptx-alloca', in case real PTX 'alloca' is not available.
+ With this function defined, we don't get a link-time failure
+ (unresolved symbol '__GCC_nvptx__PTX_alloca_not_supported'), but rather:
+ successful execution, in case that 'alloca' is not attempted (if only used
+ in error code paths, for example), and a run-time failure only in case that
+ 'alloca' is actually attempted. */
+
+void *
+__GCC_nvptx__PTX_alloca_not_supported (__SIZE_TYPE__ size __attribute__ ((unused)))
+{
+ __builtin_printf ("GCC/nvptx: sorry, unimplemented:"
+ " dynamic stack allocation not supported\n");
+ __builtin_abort ();
+ return 0;
+}
diff --git a/libgcc/config/nvptx/t-nvptx b/libgcc/config/nvptx/t-nvptx
index f295898..5e2e278 100644
--- a/libgcc/config/nvptx/t-nvptx
+++ b/libgcc/config/nvptx/t-nvptx
@@ -1,7 +1,8 @@
LIB2ADD=$(srcdir)/config/nvptx/reduction.c \
$(srcdir)/config/nvptx/mgomp.c \
$(srcdir)/config/nvptx/atomic.c \
- $(srcdir)/config/nvptx/unwind-nvptx.c
+ $(srcdir)/config/nvptx/unwind-nvptx.c \
+ $(srcdir)/config/nvptx/alloca.c
LIB2ADDEH=
LIB2FUNCS_EXCLUDE=
diff --git a/libgcc/config/nvptx/unwind-nvptx.c b/libgcc/config/nvptx/unwind-nvptx.c
index 44657ae..97e22c0 100644
--- a/libgcc/config/nvptx/unwind-nvptx.c
+++ b/libgcc/config/nvptx/unwind-nvptx.c
@@ -25,6 +25,33 @@
#include "unwind.h"
_Unwind_Reason_Code
+_Unwind_RaiseException(struct _Unwind_Exception *exc __attribute__ ((__unused__)))
+{
+ __builtin_abort ();
+ return 0;
+}
+
+void
+_Unwind_DeleteException (struct _Unwind_Exception *exc)
+{
+ if (exc->exception_cleanup)
+ (*exc->exception_cleanup) (_URC_FOREIGN_EXCEPTION_CAUGHT, exc);
+}
+
+void
+_Unwind_Resume (struct _Unwind_Exception *exc __attribute__ ((__unused__)))
+{
+ __builtin_abort ();
+}
+
+_Unwind_Reason_Code
+_Unwind_Resume_or_Rethrow (struct _Unwind_Exception *exc __attribute__ ((__unused__)))
+{
+ __builtin_abort ();
+ return 0;
+}
+
+_Unwind_Reason_Code
_Unwind_Backtrace(_Unwind_Trace_Fn trace, void * trace_argument)
{
return 0;
generated by cgit v1.1 at 2025-04-19 14:58:10 +0000