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-rw-r--r--libgcc/ChangeLog80
-rw-r--r--libgcc/config/gcn/unwind-gcn.c6
-rw-r--r--libgcc/config/i386/gthr-win32.h81
-rw-r--r--libgcc/config/nvptx/unwind-nvptx.c6
-rw-r--r--libgcc/config/sh/sfp-machine.h80
5 files changed, 206 insertions, 47 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 9df44ba..66feed5 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,83 @@
+2025-04-19 Jiaxun Yang <jiaxun.yang@flygoat.com>
+
+ PR target/118257
+ * config/sh/sfp-machine.h (_FPU_GETCW): Implement with builtin.
+ (_FPU_SETCW): Likewise.
+ (FP_EX_ENABLE_SHIFT): Derive from arch spec.
+ (FP_EX_CAUSE_SHIFT): Likewise.
+ (FP_RND_MASK): Likewise.
+ (FP_EX_INVALID): Likewise.
+ (FP_EX_DIVZERO): Likewise.
+ (FP_EX_ALL): Likewise.
+ (FP_EX_OVERFLOW): Likewise.
+ (FP_EX_UNDERFLOW): Likewise.
+ (FP_EX_INEXACT): Likewise.
+ (_FP_DECL_EX): Declear default FCSR value.
+ (FP_RND_NEAREST): Derive from arch spec.
+ (FP_RND_ZERO): Likewise.
+ (FP_INIT_ROUNDMODE): Likewise.
+ (FP_ROUNDMODE): Likewise.
+ (FP_TRAPPING_EXCEPTIONS): Likewise.
+ (FP_HANDLE_EXCEPTIONS): Implement with _FPU_SETCW.
+
+2025-04-19 Jiaxun Yang <jiaxun.yang@flygoat.com>
+
+ PR target/111814
+ * config/sh/sfp-machine.h (_FP_NANFRAC_B): Reverse signaling bit.
+ (_FP_NANFRAC_H): Likewise.
+ (_FP_NANFRAC_S): Likewise.
+ (_FP_NANFRAC_D): Likewise.
+ (_FP_NANFRAC_Q): Likewise.
+ (_FP_KEEPNANFRACP): Enable for target.
+ (_FP_QNANNEGATEDP): Enable for target.
+ (_FP_CHOOSENAN): Port from MIPS.
+
+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)
diff --git a/libgcc/config/gcn/unwind-gcn.c b/libgcc/config/gcn/unwind-gcn.c
index eae741c..97e22c0 100644
--- a/libgcc/config/gcn/unwind-gcn.c
+++ b/libgcc/config/gcn/unwind-gcn.c
@@ -38,6 +38,12 @@ _Unwind_DeleteException (struct _Unwind_Exception *exc)
(*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__)))
{
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/unwind-nvptx.c b/libgcc/config/nvptx/unwind-nvptx.c
index eae741c..97e22c0 100644
--- a/libgcc/config/nvptx/unwind-nvptx.c
+++ b/libgcc/config/nvptx/unwind-nvptx.c
@@ -38,6 +38,12 @@ _Unwind_DeleteException (struct _Unwind_Exception *exc)
(*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__)))
{
diff --git a/libgcc/config/sh/sfp-machine.h b/libgcc/config/sh/sfp-machine.h
index 66984d4..8030c80 100644
--- a/libgcc/config/sh/sfp-machine.h
+++ b/libgcc/config/sh/sfp-machine.h
@@ -39,11 +39,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
-#define _FP_NANFRAC_B _FP_QNANBIT_B
-#define _FP_NANFRAC_H _FP_QNANBIT_H
-#define _FP_NANFRAC_S _FP_QNANBIT_S
-#define _FP_NANFRAC_D _FP_QNANBIT_D, 0
-#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0
+#define _FP_NANFRAC_B (_FP_QNANBIT_B - 1)
+#define _FP_NANFRAC_H (_FP_QNANBIT_H - 1)
+#define _FP_NANFRAC_S (_FP_QNANBIT_S - 1)
+#define _FP_NANFRAC_D (_FP_QNANBIT_D - 1), -1
+#define _FP_NANFRAC_Q (_FP_QNANBIT_Q - 1), -1, -1, -1
/* The type of the result of a floating point comparison. This must
match __libgcc_cmp_return__ in GCC for the target. */
@@ -56,15 +56,71 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
#define _FP_NANSIGN_D 0
#define _FP_NANSIGN_Q 0
-#define _FP_KEEPNANFRACP 0
-#define _FP_QNANNEGATEDP 0
+#define _FP_KEEPNANFRACP 1
+#define _FP_QNANNEGATEDP 1
+
+/* X is chosen unless one of the NaNs is sNaN. */
+# define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do { \
+ if ((_FP_FRAC_HIGH_RAW_##fs(X) | \
+ _FP_FRAC_HIGH_RAW_##fs(Y)) & _FP_QNANBIT_##fs) \
+ { \
+ R##_s = _FP_NANSIGN_##fs; \
+ _FP_FRAC_SET_##wc(R,_FP_NANFRAC_##fs); \
+ } \
+ else \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc(R,X); \
+ } \
+ R##_c = FP_CLS_NAN; \
+ } while (0)
+
+#ifdef __SH_FPU_ANY__
+#define _FPU_GETCW(fpscr) fpscr = __builtin_sh_get_fpscr ()
+#define _FPU_SETCW(fpscr) __builtin_sh_set_fpscr (fpscr)
+#define FP_EX_ENABLE_SHIFT 5
+#define FP_EX_CAUSE_SHIFT 10
-#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
- do { \
- R##_s = _FP_NANSIGN_##fs; \
- _FP_FRAC_SET_##wc(R,_FP_NANFRAC_##fs); \
- R##_c = FP_CLS_NAN; \
+#define FP_EX_INVALID 0x0040
+#define FP_EX_DIVZERO 0x0020
+#if defined (__SH2E__)
+#define FP_EX_ALL (FP_EX_DIVZERO | FP_EX_INVALID)
+#else
+#define FP_EX_OVERFLOW 0x0010
+#define FP_EX_UNDERFLOW 0x0008
+#define FP_EX_INEXACT 0x0004
+#define FP_EX_ALL (FP_EX_DIVZERO | FP_EX_INEXACT | \
+ FP_EX_INVALID | FP_EX_OVERFLOW | FP_EX_UNDERFLOW)
+#endif
+#define _FP_DECL_EX \
+ unsigned int _fcsr __attribute__ ((unused)) = FP_RND_NEAREST
+/* Rounding modes. */
+#define FP_RND_NEAREST 0x0
+#define FP_RND_ZERO 0x1
+/* Placeholder, hardware does not have PINF/MINF modes. */
+#define FP_RND_PINF 0x2
+#define FP_RND_MINF 0x3
+#define FP_RND_MASK 3
+
+#define FP_INIT_ROUNDMODE _FPU_GETCW (_fcsr)
+#define FP_ROUNDMODE (_fcsr & FP_RND_MASK)
+#define FP_TRAPPING_EXCEPTIONS ((_fcsr >> FP_EX_ENABLE_SHIFT) & FP_EX_ALL)
+#define FP_HANDLE_EXCEPTIONS \
+ do { \
+ _fcsr &= ~(FP_EX_ALL << FP_EX_CAUSE_SHIFT); \
+ _fcsr |= _fex | (_fex << FP_EX_CAUSE_SHIFT); \
+ _FPU_SETCW (_fcsr); \
} while (0)
+#else
+#define FP_EX_INVALID (1 << 4)
+#define FP_EX_DIVZERO (1 << 3)
+#if !defined (__SH2E__)
+#define FP_EX_OVERFLOW (1 << 2)
+#define FP_EX_UNDERFLOW (1 << 1)
+#define FP_EX_INEXACT (1 << 0)
+#endif
+#endif
#define _FP_TININESS_AFTER_ROUNDING 1
generated by cgit v1.1 at 2025-04-20 21:26:53 +0000