diff options
Diffstat (limited to 'gcc-4.8.1/libatomic/config')
| -rw-r--r-- | gcc-4.8.1/libatomic/config/arm/arm-config.h | 79 | ||||
| -rw-r--r-- | gcc-4.8.1/libatomic/config/arm/exch_n.c | 114 | ||||
| -rw-r--r-- | gcc-4.8.1/libatomic/config/arm/host-config.h | 4 | ||||
| -rw-r--r-- | gcc-4.8.1/libatomic/config/ia64/host-config.h | 5 | ||||
| -rw-r--r-- | gcc-4.8.1/libatomic/config/linux/arm/host-config.h | 179 | ||||
| -rw-r--r-- | gcc-4.8.1/libatomic/config/linux/arm/init.c | 36 | ||||
| -rw-r--r-- | gcc-4.8.1/libatomic/config/linux/arm/load_n.c | 49 | ||||
| -rw-r--r-- | gcc-4.8.1/libatomic/config/linux/arm/store_n.c | 46 | ||||
| -rw-r--r-- | gcc-4.8.1/libatomic/config/posix/host-config.h | 55 | ||||
| -rw-r--r-- | gcc-4.8.1/libatomic/config/posix/lock.c | 116 | ||||
| -rw-r--r-- | gcc-4.8.1/libatomic/config/powerpc/host-config.h | 24 | ||||
| -rw-r--r-- | gcc-4.8.1/libatomic/config/x86/host-config.h | 69 | ||||
| -rw-r--r-- | gcc-4.8.1/libatomic/config/x86/init.c | 38 |
13 files changed, 0 insertions, 814 deletions
diff --git a/gcc-4.8.1/libatomic/config/arm/arm-config.h b/gcc-4.8.1/libatomic/config/arm/arm-config.h deleted file mode 100644 index 554a1c72e..000000000 --- a/gcc-4.8.1/libatomic/config/arm/arm-config.h +++ /dev/null @@ -1,79 +0,0 @@ -/* Copyright (C) 2012-2013 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU Atomic Library (libatomic). - - Libatomic 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 of the License, or - (at your option) any later version. - - Libatomic 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/>. */ - - -#if defined(__ARM_ARCH_2__) -# define __ARM_ARCH__ 2 -#endif - -#if defined(__ARM_ARCH_3__) -# define __ARM_ARCH__ 3 -#endif - -#if defined(__ARM_ARCH_3M__) || defined(__ARM_ARCH_4__) \ - || defined(__ARM_ARCH_4T__) -/* We use __ARM_ARCH__ set to 4 here, but in reality it's any processor with - long multiply instructions. That includes v3M. */ -# define __ARM_ARCH__ 4 -#endif - -#if defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) \ - || defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) \ - || defined(__ARM_ARCH_5TEJ__) -# define __ARM_ARCH__ 5 -#endif - -#if defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \ - || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \ - || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) \ - || defined(__ARM_ARCH_6M__) -# define __ARM_ARCH__ 6 -#endif - -#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \ - || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \ - || defined(__ARM_ARCH_7EM__) -# define __ARM_ARCH__ 7 -#endif - -#if defined(__ARM_ARCH_8A__) -# define __ARM_ARCH__ 8 -#endif - -#ifndef __ARM_ARCH__ -#error Unable to determine architecture. -#endif - -#if __ARM_ARCH__ >= 7 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) -# define HAVE_STREX 1 -# define HAVE_STREXBHD 1 -#elif __ARM_ARCH__ == 6 -# define HAVE_STREX 1 -#endif - -#if __ARM_ARCH__ >= 7 -# define HAVE_DMB 1 -#elif __ARM_ARCH__ == 6 -# define HAVE_DMB_MCR 1 -#endif diff --git a/gcc-4.8.1/libatomic/config/arm/exch_n.c b/gcc-4.8.1/libatomic/config/arm/exch_n.c deleted file mode 100644 index 198a90afb..000000000 --- a/gcc-4.8.1/libatomic/config/arm/exch_n.c +++ /dev/null @@ -1,114 +0,0 @@ -/* Copyright (C) 2012-2013 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU Atomic Library (libatomic). - - Libatomic 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 of the License, or - (at your option) any later version. - - Libatomic 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/>. */ - -#include <libatomic_i.h> -#include <arm-config.h> - - -/* When using STREX to implement sub-word exchange, we can do much better - than the compiler by using the APSR.GE and APSR.C flags. */ - -#if !DONE && HAVE_STREX && !HAVE_STREXBH && N == 2 -UTYPE -SIZE(libat_exchange) (UTYPE *mptr, UTYPE newval, int smodel) -{ - UWORD t1, t2; - UTYPE oldval; - - __atomic_thread_fence (__ATOMIC_SEQ_CST); - - /* In the N=2 case, there are only two cases for MPTR: mptr % 4 == {0,2}. - Rather than computing a variable shift for this, we can store the one - bit of misalignment in the carry flag, and use conditional constant - shifts instead. This saves a register. */ -#ifdef __ARMEB__ -# define HI "cc" /* iff value is in high half */ -# define LO "cs" /* iff value is in low half */ -#else -# define HI "cs" -# define LO "cc" -#endif - - asm volatile ( - "lsrs %[t2],%[ptr],#2\n" /* carry = mptr & 2 */ - " bic %[ptr],%[ptr],#3\n" /* align mptr */ - " itt "HI"\n" - " lsl"HI" %[t1],%[t1],#16\n" /* shift mask into place */ - " lsl"HI" %[new],%[new],#16\n" /* shift newval into place */ - " uadd16 %[t1],%[t1],%[t1]\n" /* copy mask into APSR.GE */ - "0: ldrex %[t2],[%[ptr]]\n" - " ite "LO"\n" - " uxth"LO" %[old],%[t2]\n" /* return old value */ - " uxth"HI" %[old],%[t2], ror #16\n" - " sel %[t1],%[new],%[t2]\n" /* merge newval */ - " strex %[t2],%[t1],[%[ptr]]\n" - " tst %[t2],%[t2]\n" /* dont clobber carry */ - " bne 0b" - : [old] "=&r"(oldval), [t1] "=&r"(t1), [t2] "=&r"(t2), - [ptr] "+r"(mptr), [new] "+r"(newval) - : "1"(0xffff) - : "memory"); - - __atomic_thread_fence (__ATOMIC_SEQ_CST); - - return oldval; -} - -#define DONE 1 -#endif /* !HAVE_STREXBH && N == 2 */ - - -#if !DONE && HAVE_STREX && !HAVE_STREXBH && N == 1 -UTYPE -SIZE(libat_exchange) (UTYPE *mptr, UTYPE newval, int smodel) -{ - UWORD *wptr, woldval, wnewval, shift, mask, t1, t2; - - __atomic_thread_fence (__ATOMIC_SEQ_CST); - - wptr = (UWORD *)((uintptr_t)mptr & -WORDSIZE); - shift = (((uintptr_t)mptr % WORDSIZE) * CHAR_BIT) ^ INVERT_MASK_1; - mask = MASK_1 << shift; - wnewval = newval << shift; - - asm volatile ( - "uadd8 %[t1],%[t1],%[t1]\n" /* move mask to APSR.GE */ - "0: ldrex %[old],[%[wptr]]\n" - " sel %[t1],%[new],%[old]\n" /* merge newval */ - " strex %[t2],%[t1],[%[wptr]]\n" - " cmp %[t2],#0\n" - " bne 0b" - : [old] "=&r"(woldval), [t1] "=&r"(t1), [t2] "=&r"(t2) - : [new] "r"(wnewval), [wptr] "r"(wptr), "1"(mask) - : "memory"); - - __atomic_thread_fence (__ATOMIC_SEQ_CST); - - return woldval >> shift; -} - -#define DONE 1 -#endif /* !HAVE_STREXBH && N == 1 */ - -#include "../../exch_n.c" diff --git a/gcc-4.8.1/libatomic/config/arm/host-config.h b/gcc-4.8.1/libatomic/config/arm/host-config.h deleted file mode 100644 index bbf4a3f84..000000000 --- a/gcc-4.8.1/libatomic/config/arm/host-config.h +++ /dev/null @@ -1,4 +0,0 @@ -/* Avoiding the DMB (or kernel helper) can be a good thing. */ -#define WANT_SPECIALCASE_RELAXED - -#include_next <host-config.h> diff --git a/gcc-4.8.1/libatomic/config/ia64/host-config.h b/gcc-4.8.1/libatomic/config/ia64/host-config.h deleted file mode 100644 index d1f11c3de..000000000 --- a/gcc-4.8.1/libatomic/config/ia64/host-config.h +++ /dev/null @@ -1,5 +0,0 @@ -/* Avoiding the synchronizations are a good thing. */ -#define WANT_SPECIALCASE_RELAXED -#define WANT_SPECIALCASE_ACQREL - -#include_next <host-config.h> diff --git a/gcc-4.8.1/libatomic/config/linux/arm/host-config.h b/gcc-4.8.1/libatomic/config/linux/arm/host-config.h deleted file mode 100644 index 773d68c3d..000000000 --- a/gcc-4.8.1/libatomic/config/linux/arm/host-config.h +++ /dev/null @@ -1,179 +0,0 @@ -/* Copyright (C) 2012-2013 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU Atomic Library (libatomic). - - Libatomic 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 of the License, or - (at your option) any later version. - - Libatomic 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/>. */ - -#include <config/arm/arm-config.h> - - -/* Kernel helper for 32-bit compare-and-exchange. */ -typedef int (__kernel_cmpxchg_t) (UWORD oldval, UWORD newval, UWORD *ptr); -#define __kernel_cmpxchg (*(__kernel_cmpxchg_t *) 0xffff0fc0) - -/* Kernel helper for 64-bit compare-and-exchange. */ -typedef int (__kernel_cmpxchg64_t) (const U_8 * oldval, const U_8 * newval, - U_8 *ptr); -#define __kernel_cmpxchg64 (*(__kernel_cmpxchg64_t *) 0xffff0f60) - -/* Kernel helper for memory barrier. */ -typedef void (__kernel_dmb_t) (void); -#define __kernel_dmb (*(__kernel_dmb_t *) 0xffff0fa0) - -/* Kernel helper page version number. */ -#define __kernel_helper_version (*(unsigned int *)0xffff0ffc) - - -#ifndef HAVE_STREX -static inline bool -atomic_compare_exchange_w (UWORD *mptr, UWORD *eptr, UWORD newval, - bool weak_p UNUSED, int sm UNUSED, int fm UNUSED) -{ - bool ret = true; - UWORD oldval; - - oldval = *eptr; - if (__builtin_expect (__kernel_cmpxchg (oldval, newval, mptr) != 0, 0)) - { - oldval = *mptr; - ret = false; - } - *eptr = oldval; - - return ret; -} -# define atomic_compare_exchange_w atomic_compare_exchange_w -# if N == WORDSIZE -# define atomic_compare_exchange_n atomic_compare_exchange_w -# endif -#endif /* HAVE_STREX */ - -#if !defined(HAVE_STREXBHD) && defined(HAVE_KERNEL64) && N == 8 -static inline bool -atomic_compare_exchange_n (UTYPE *mptr, UTYPE *eptr, UTYPE newval, - bool weak_p UNUSED, int sm UNUSED, int fm UNUSED) -{ - if (__kernel_cmpxchg64 (eptr, &newval, mptr) == 0) - return true; - else - { - *eptr = *mptr; - return false; - } -} -#define atomic_compare_exchange_n atomic_compare_exchange_n -#endif - -#if !defined(HAVE_DMB) && !defined(HAVE_DMB_MCR) -static inline void -pre_barrier(int model UNUSED) -{ - __kernel_dmb (); -} - -static inline void -post_barrier(int model UNUSED) -{ - __kernel_dmb (); -} -# define pre_post_barrier 1 -#endif /* !HAVE_DMB */ - -#if HAVE_IFUNC -extern bool libat_have_strexbhd HIDDEN; - -# define IFUNC_COND_1 libat_have_strexbhd -# define IFUNC_COND_2 (__kernel_helper_version >= 5) - -/* Alternative 1 is -march=armv7-a -- we have everything native. */ -# if IFUNC_ALT == 1 -# undef HAVE_ATOMIC_CAS_1 -# undef HAVE_ATOMIC_CAS_2 -# undef HAVE_ATOMIC_CAS_4 -# undef HAVE_ATOMIC_CAS_8 -# undef HAVE_ATOMIC_EXCHANGE_1 -# undef HAVE_ATOMIC_EXCHANGE_2 -# undef HAVE_ATOMIC_EXCHANGE_4 -# undef HAVE_ATOMIC_EXCHANGE_8 -# undef HAVE_ATOMIC_LDST_1 -# undef HAVE_ATOMIC_LDST_2 -# undef HAVE_ATOMIC_LDST_4 -# undef HAVE_ATOMIC_LDST_8 -# undef HAVE_ATOMIC_FETCH_OP_1 -# undef HAVE_ATOMIC_FETCH_OP_2 -# undef HAVE_ATOMIC_FETCH_OP_4 -# undef HAVE_ATOMIC_FETCH_OP_8 -# undef HAVE_ATOMIC_TAS_1 -# undef HAVE_ATOMIC_TAS_2 -# undef HAVE_ATOMIC_TAS_4 -# undef HAVE_ATOMIC_TAS_8 -# define HAVE_ATOMIC_CAS_1 1 -# define HAVE_ATOMIC_CAS_2 1 -# define HAVE_ATOMIC_CAS_4 1 -# define HAVE_ATOMIC_CAS_8 1 -# define HAVE_ATOMIC_EXCHANGE_1 1 -# define HAVE_ATOMIC_EXCHANGE_2 1 -# define HAVE_ATOMIC_EXCHANGE_4 1 -# define HAVE_ATOMIC_EXCHANGE_8 1 -# define HAVE_ATOMIC_LDST_1 1 -# define HAVE_ATOMIC_LDST_2 1 -# define HAVE_ATOMIC_LDST_4 1 -# define HAVE_ATOMIC_LDST_8 1 -# define HAVE_ATOMIC_FETCH_OP_1 1 -# define HAVE_ATOMIC_FETCH_OP_2 1 -# define HAVE_ATOMIC_FETCH_OP_4 1 -# define HAVE_ATOMIC_FETCH_OP_8 1 -# define HAVE_ATOMIC_TAS_1 1 -# define HAVE_ATOMIC_TAS_2 1 -# define HAVE_ATOMIC_TAS_4 1 -# define HAVE_ATOMIC_TAS_8 1 -# endif /* IFUNC_ALT == 1 */ - -# undef MAYBE_HAVE_ATOMIC_CAS_1 -# define MAYBE_HAVE_ATOMIC_CAS_1 IFUNC_COND_1 -# undef MAYBE_HAVE_ATOMIC_EXCHANGE_1 -# define MAYBE_HAVE_ATOMIC_EXCHANGE_1 MAYBE_HAVE_ATOMIC_CAS_1 -# undef MAYBE_HAVE_ATOMIC_LDST_1 -# define MAYBE_HAVE_ATOMIC_LDST_1 MAYBE_HAVE_ATOMIC_CAS_1 -# undef MAYBE_HAVE_ATOMIC_CAS_2 -# define MAYBE_HAVE_ATOMIC_CAS_2 IFUNC_COND_1 -# undef MAYBE_HAVE_ATOMIC_EXCHANGE_2 -# define MAYBE_HAVE_ATOMIC_EXCHANGE_2 MAYBE_HAVE_ATOMIC_CAS_2 -# undef MAYBE_HAVE_ATOMIC_LDST_2 -# define MAYBE_HAVE_ATOMIC_LDST_2 MAYBE_HAVE_ATOMIC_CAS_2 -# undef MAYBE_HAVE_ATOMIC_CAS_4 -# define MAYBE_HAVE_ATOMIC_CAS_4 IFUNC_COND_1 -# undef MAYBE_HAVE_ATOMIC_EXCHANGE_4 -# define MAYBE_HAVE_ATOMIC_EXCHANGE_4 MAYBE_HAVE_ATOMIC_CAS_4 -# undef MAYBE_HAVE_ATOMIC_LDST_4 -# define MAYBE_HAVE_ATOMIC_LDST_4 MAYBE_HAVE_ATOMIC_CAS_4 -# undef MAYBE_HAVE_ATOMIC_CAS_8 -# define MAYBE_HAVE_ATOMIC_CAS_8 (IFUNC_COND_1 | IFUNC_COND_2) -# undef MAYBE_HAVE_ATOMIC_EXCHANGE_8 -# define MAYBE_HAVE_ATOMIC_EXCHANGE_8 MAYBE_HAVE_ATOMIC_CAS_8 -# undef MAYBE_HAVE_ATOMIC_LDST_8 -# define MAYBE_HAVE_ATOMIC_LDST_8 MAYBE_HAVE_ATOMIC_CAS_8 - -# define IFUNC_NCOND(N) (N == 8 ? 2 : 1) - -#endif /* HAVE_IFUNC */ - -#include_next <host-config.h> diff --git a/gcc-4.8.1/libatomic/config/linux/arm/init.c b/gcc-4.8.1/libatomic/config/linux/arm/init.c deleted file mode 100644 index 7645e35b5..000000000 --- a/gcc-4.8.1/libatomic/config/linux/arm/init.c +++ /dev/null @@ -1,36 +0,0 @@ -/* Copyright (C) 2012-2013 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU Atomic Library (libatomic). - - Libatomic 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 of the License, or - (at your option) any later version. - - Libatomic 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/>. */ - -#include "libatomic_i.h" - -#if HAVE_IFUNC - -bool libat_have_strexbhd; - -static void __attribute__((constructor)) -init_cpu_revision (void) -{ -} - -#endif /* HAVE_IFUNC */ diff --git a/gcc-4.8.1/libatomic/config/linux/arm/load_n.c b/gcc-4.8.1/libatomic/config/linux/arm/load_n.c deleted file mode 100644 index cf6d7efdf..000000000 --- a/gcc-4.8.1/libatomic/config/linux/arm/load_n.c +++ /dev/null @@ -1,49 +0,0 @@ -/* Copyright (C) 2012-2013 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU Atomic Library (libatomic). - - Libatomic 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 of the License, or - (at your option) any later version. - - Libatomic 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/>. */ - -#include "libatomic_i.h" - - -/* If we use the builtin we'll get __sync_synchronize, not __kernel_dmb. */ -#if !DONE && N <= WORDSIZE && !defined(HAVE_DMB) && !defined(HAVE_DMB_MCR) -UTYPE -SIZE(libat_load) (UTYPE *mptr, int smodel) -{ - UTYPE ret; - - if (maybe_specialcase_relaxed(smodel)) - ret = *mptr; - else - { - __kernel_dmb (); - ret = *mptr; - __kernel_dmb (); - } - return ret; -} - -#define DONE 1 -#endif /* !HAVE_DMB */ - -#include "../../../load_n.c" diff --git a/gcc-4.8.1/libatomic/config/linux/arm/store_n.c b/gcc-4.8.1/libatomic/config/linux/arm/store_n.c deleted file mode 100644 index c440f8348..000000000 --- a/gcc-4.8.1/libatomic/config/linux/arm/store_n.c +++ /dev/null @@ -1,46 +0,0 @@ -/* Copyright (C) 2012-2013 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU Atomic Library (libatomic). - - Libatomic 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 of the License, or - (at your option) any later version. - - Libatomic 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/>. */ - -#include "libatomic_i.h" - - -/* If we use the builtin we'll get __sync_synchronize, not __kernel_dmb. */ -#if !DONE && N <= WORDSIZE && !defined(HAVE_DMB) && !defined(HAVE_DMB_MCR) -void -SIZE(libat_store) (UTYPE *mptr, UTYPE val, int smodel) -{ - if (maybe_specialcase_relaxed(smodel)) - *mptr = val; - else - { - __kernel_dmb (); - *mptr = val; - __kernel_dmb (); - } -} - -#define DONE 1 -#endif /* !HAVE_DMB */ - -#include "../../../store_n.c" diff --git a/gcc-4.8.1/libatomic/config/posix/host-config.h b/gcc-4.8.1/libatomic/config/posix/host-config.h deleted file mode 100644 index 883c95963..000000000 --- a/gcc-4.8.1/libatomic/config/posix/host-config.h +++ /dev/null @@ -1,55 +0,0 @@ -/* Copyright (C) 2012-2013 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU Atomic Library (libatomic). - - Libatomic 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 of the License, or - (at your option) any later version. - - Libatomic 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/>. */ - -/* Included after all more target-specific host-config.h. */ - - -#ifndef protect_start_end -# ifdef HAVE_ATTRIBUTE_VISIBILITY -# pragma GCC visibility push(hidden) -# endif - -void libat_lock_1 (void *ptr); -void libat_unlock_1 (void *ptr); - -static inline UWORD -protect_start (void *ptr) -{ - libat_lock_1 (ptr); - return 0; -} - -static inline void -protect_end (void *ptr, UWORD dummy UNUSED) -{ - libat_unlock_1 (ptr); -} - -# define protect_start_end 1 -# ifdef HAVE_ATTRIBUTE_VISIBILITY -# pragma GCC visibility pop -# endif -#endif /* protect_start_end */ - -#include_next <host-config.h> diff --git a/gcc-4.8.1/libatomic/config/posix/lock.c b/gcc-4.8.1/libatomic/config/posix/lock.c deleted file mode 100644 index 0faa8240b..000000000 --- a/gcc-4.8.1/libatomic/config/posix/lock.c +++ /dev/null @@ -1,116 +0,0 @@ -/* Copyright (C) 2012-2013 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU Atomic Library (libatomic). - - Libatomic 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 of the License, or - (at your option) any later version. - - Libatomic 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/>. */ - -#include "libatomic_i.h" -#include <pthread.h> - - -/* The target page size. Must be no larger than the runtime page size, - lest locking fail with virtual address aliasing (i.e. a page mmaped - at two locations). */ -#ifndef PAGE_SIZE -#define PAGE_SIZE 4096 -#endif - -/* The target cacheline size. This is an optimization; the padding that - should be applied to the locks to keep them from interfering. */ -#ifndef CACHLINE_SIZE -#define CACHLINE_SIZE 64 -#endif - -/* The granularity at which locks are applied. Almost certainly the - cachline size is the right thing to use here. */ -#ifndef WATCH_SIZE -#define WATCH_SIZE CACHLINE_SIZE -#endif - -struct lock -{ - pthread_mutex_t mutex; - char pad[sizeof(pthread_mutex_t) < CACHLINE_SIZE - ? CACHLINE_SIZE - sizeof(pthread_mutex_t) - : 0]; -}; - -#define NLOCKS (PAGE_SIZE / WATCH_SIZE) -static struct lock locks[NLOCKS] = { - [0 ... NLOCKS-1].mutex = PTHREAD_MUTEX_INITIALIZER -}; - -static inline uintptr_t -addr_hash (void *ptr) -{ - return ((uintptr_t)ptr / WATCH_SIZE) % NLOCKS; -} - -void -libat_lock_1 (void *ptr) -{ - pthread_mutex_lock (&locks[addr_hash (ptr)].mutex); -} - -void -libat_unlock_1 (void *ptr) -{ - pthread_mutex_unlock (&locks[addr_hash (ptr)].mutex); -} - -void -libat_lock_n (void *ptr, size_t n) -{ - uintptr_t h = addr_hash (ptr); - size_t i = 0; - - /* Don't lock more than all the locks we have. */ - if (n > PAGE_SIZE) - n = PAGE_SIZE; - - do - { - pthread_mutex_lock (&locks[h].mutex); - if (++h == NLOCKS) - h = 0; - i += WATCH_SIZE; - } - while (i < n); -} - -void -libat_unlock_n (void *ptr, size_t n) -{ - uintptr_t h = addr_hash (ptr); - size_t i = 0; - - if (n > PAGE_SIZE) - n = PAGE_SIZE; - - do - { - pthread_mutex_unlock (&locks[h].mutex); - if (++h == NLOCKS) - h = 0; - i += WATCH_SIZE; - } - while (i < n); -} diff --git a/gcc-4.8.1/libatomic/config/powerpc/host-config.h b/gcc-4.8.1/libatomic/config/powerpc/host-config.h deleted file mode 100644 index 5447c8393..000000000 --- a/gcc-4.8.1/libatomic/config/powerpc/host-config.h +++ /dev/null @@ -1,24 +0,0 @@ -/* Avoiding the synchronizations are a good thing. */ -#define WANT_SPECIALCASE_RELAXED -#define WANT_SPECIALCASE_ACQREL - -/* Glibc, at least, uses lwsync (aka acq_rel) in its pthread mutex - implementation. If the user is asking for seq_cst (aka hwsync), - this is insufficient. */ - -static inline void __attribute__((always_inline, artificial)) -pre_seq_barrier(int model) -{ - if (model == __ATOMIC_SEQ_CST) - __atomic_thread_fence (__ATOMIC_SEQ_CST); -} - -static inline void __attribute__((always_inline, artificial)) -post_seq_barrier(int model) -{ - pre_seq_barrier(model); -} - -#define pre_post_seq_barrier 1 - -#include_next <host-config.h> diff --git a/gcc-4.8.1/libatomic/config/x86/host-config.h b/gcc-4.8.1/libatomic/config/x86/host-config.h deleted file mode 100644 index e478d5b44..000000000 --- a/gcc-4.8.1/libatomic/config/x86/host-config.h +++ /dev/null @@ -1,69 +0,0 @@ -/* Copyright (C) 2012-2013 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU Atomic Library (libatomic). - - Libatomic 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 of the License, or - (at your option) any later version. - - Libatomic 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/>. */ - -#if HAVE_IFUNC -#include <cpuid.h> - -extern unsigned int libat_feat1_ecx HIDDEN; -extern unsigned int libat_feat1_edx HIDDEN; - -#ifdef __x86_64__ -# define IFUNC_COND_1 (libat_feat1_ecx & bit_CMPXCHG16B) -#else -# define IFUNC_COND_1 (libat_feat1_edx & bit_CMPXCHG8B) -#endif - -#ifdef __x86_64__ -# define IFUNC_NCOND(N) (N == 16) -#else -# define IFUNC_NCOND(N) (N == 8) -#endif - -#ifdef __x86_64__ -# undef MAYBE_HAVE_ATOMIC_CAS_16 -# define MAYBE_HAVE_ATOMIC_CAS_16 IFUNC_COND_1 -# undef MAYBE_HAVE_ATOMIC_EXCHANGE_16 -# define MAYBE_HAVE_ATOMIC_EXCHANGE_16 IFUNC_COND_1 -# undef MAYBE_HAVE_ATOMIC_LDST_16 -# define MAYBE_HAVE_ATOMIC_LDST_16 IFUNC_COND_1 -# if IFUNC_ALT == 1 -# undef HAVE_ATOMIC_CAS_16 -# define HAVE_ATOMIC_CAS_16 1 -# endif -#else -# undef MAYBE_HAVE_ATOMIC_CAS_8 -# define MAYBE_HAVE_ATOMIC_CAS_8 IFUNC_COND_1 -# undef MAYBE_HAVE_ATOMIC_EXCHANGE_8 -# define MAYBE_HAVE_ATOMIC_EXCHANGE_8 IFUNC_COND_1 -# undef MAYBE_HAVE_ATOMIC_LDST_8 -# define MAYBE_HAVE_ATOMIC_LDST_8 IFUNC_COND_1 -# if IFUNC_ALT == 1 -# undef HAVE_ATOMIC_CAS_8 -# define HAVE_ATOMIC_CAS_8 1 -# endif -#endif - -#endif /* HAVE_IFUNC */ - -#include_next <host-config.h> diff --git a/gcc-4.8.1/libatomic/config/x86/init.c b/gcc-4.8.1/libatomic/config/x86/init.c deleted file mode 100644 index 5239ad77b..000000000 --- a/gcc-4.8.1/libatomic/config/x86/init.c +++ /dev/null @@ -1,38 +0,0 @@ -/* Copyright (C) 2012-2013 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU Atomic Library (libatomic). - - Libatomic 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 of the License, or - (at your option) any later version. - - Libatomic 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/>. */ - -#include "libatomic_i.h" - -#if HAVE_IFUNC - -unsigned int libat_feat1_ecx, libat_feat1_edx; - -static void __attribute__((constructor)) -init_cpuid (void) -{ - unsigned int eax, ebx; - __get_cpuid (1, &eax, &ebx, &libat_feat1_ecx, &libat_feat1_edx); -} - -#endif /* HAVE_IFUNC */ |