diff options
Diffstat (limited to 'sysdeps/m68k/m68020/bits/atomic.h')
| -rw-r--r-- | sysdeps/m68k/m68020/bits/atomic.h | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/sysdeps/m68k/m68020/bits/atomic.h b/sysdeps/m68k/m68020/bits/atomic.h deleted file mode 100644 index 6b6db71465..0000000000 --- a/sysdeps/m68k/m68020/bits/atomic.h +++ /dev/null @@ -1,254 +0,0 @@ -/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Andreas Schwab <schwab@suse.de>, 2003. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <stdint.h> - - -typedef int8_t atomic8_t; -typedef uint8_t uatomic8_t; -typedef int_fast8_t atomic_fast8_t; -typedef uint_fast8_t uatomic_fast8_t; - -typedef int16_t atomic16_t; -typedef uint16_t uatomic16_t; -typedef int_fast16_t atomic_fast16_t; -typedef uint_fast16_t uatomic_fast16_t; - -typedef int32_t atomic32_t; -typedef uint32_t uatomic32_t; -typedef int_fast32_t atomic_fast32_t; -typedef uint_fast32_t uatomic_fast32_t; - -typedef int64_t atomic64_t; -typedef uint64_t uatomic64_t; -typedef int_fast64_t atomic_fast64_t; -typedef uint_fast64_t uatomic_fast64_t; - -typedef intptr_t atomicptr_t; -typedef uintptr_t uatomicptr_t; -typedef intmax_t atomic_max_t; -typedef uintmax_t uatomic_max_t; - -#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \ - ({ __typeof (*(mem)) __ret; \ - __asm __volatile ("cas%.b %0,%2,%1" \ - : "=d" (__ret), "+m" (*(mem)) \ - : "d" (newval), "0" (oldval)); \ - __ret; }) - -#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \ - ({ __typeof (*(mem)) __ret; \ - __asm __volatile ("cas%.w %0,%2,%1" \ - : "=d" (__ret), "+m" (*(mem)) \ - : "d" (newval), "0" (oldval)); \ - __ret; }) - -#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \ - ({ __typeof (*(mem)) __ret; \ - __asm __volatile ("cas%.l %0,%2,%1" \ - : "=d" (__ret), "+m" (*(mem)) \ - : "d" (newval), "0" (oldval)); \ - __ret; }) - -# define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \ - ({ __typeof (*(mem)) __ret; \ - __typeof (mem) __memp = (mem); \ - __asm __volatile ("cas2%.l %0:%R0,%1:%R1,(%2):(%3)" \ - : "=d" (__ret) \ - : "d" (newval), "r" (__memp), \ - "r" ((char *) __memp + 4), "0" (oldval) \ - : "memory"); \ - __ret; }) - -#define atomic_exchange_acq(mem, newvalue) \ - ({ __typeof (*(mem)) __result = *(mem); \ - if (sizeof (*(mem)) == 1) \ - __asm __volatile ("1: cas%.b %0,%2,%1;" \ - " jbne 1b" \ - : "=d" (__result), "+m" (*(mem)) \ - : "d" (newvalue), "0" (__result)); \ - else if (sizeof (*(mem)) == 2) \ - __asm __volatile ("1: cas%.w %0,%2,%1;" \ - " jbne 1b" \ - : "=d" (__result), "+m" (*(mem)) \ - : "d" (newvalue), "0" (__result)); \ - else if (sizeof (*(mem)) == 4) \ - __asm __volatile ("1: cas%.l %0,%2,%1;" \ - " jbne 1b" \ - : "=d" (__result), "+m" (*(mem)) \ - : "d" (newvalue), "0" (__result)); \ - else \ - { \ - __typeof (mem) __memp = (mem); \ - __asm __volatile ("1: cas2%.l %0:%R0,%1:%R1,(%2):(%3);" \ - " jbne 1b" \ - : "=d" (__result) \ - : "d" (newvalue), "r" (__memp), \ - "r" ((char *) __memp + 4), "0" (__result) \ - : "memory"); \ - } \ - __result; }) - -#define atomic_exchange_and_add(mem, value) \ - ({ __typeof (*(mem)) __result = *(mem); \ - __typeof (*(mem)) __temp; \ - if (sizeof (*(mem)) == 1) \ - __asm __volatile ("1: move%.b %0,%2;" \ - " add%.b %3,%2;" \ - " cas%.b %0,%2,%1;" \ - " jbne 1b" \ - : "=d" (__result), "+m" (*(mem)), \ - "=&d" (__temp) \ - : "d" (value), "0" (__result)); \ - else if (sizeof (*(mem)) == 2) \ - __asm __volatile ("1: move%.w %0,%2;" \ - " add%.w %3,%2;" \ - " cas%.w %0,%2,%1;" \ - " jbne 1b" \ - : "=d" (__result), "+m" (*(mem)), \ - "=&d" (__temp) \ - : "d" (value), "0" (__result)); \ - else if (sizeof (*(mem)) == 4) \ - __asm __volatile ("1: move%.l %0,%2;" \ - " add%.l %3,%2;" \ - " cas%.l %0,%2,%1;" \ - " jbne 1b" \ - : "=d" (__result), "+m" (*(mem)), \ - "=&d" (__temp) \ - : "d" (value), "0" (__result)); \ - else \ - { \ - __typeof (mem) __memp = (mem); \ - __asm __volatile ("1: move%.l %0,%1;" \ - " move%.l %R0,%R1;" \ - " add%.l %2,%1;" \ - " addx%.l %R2,%R1;" \ - " cas2%.l %0:%R0,%1:%R1,(%3):(%4);" \ - " jbne 1b" \ - : "=d" (__result), "=&d" (__temp) \ - : "d" (value), "r" (__memp), \ - "r" ((char *) __memp + 4), "0" (__result) \ - : "memory"); \ - } \ - __result; }) - -#define atomic_add(mem, value) \ - (void) ({ if (sizeof (*(mem)) == 1) \ - __asm __volatile ("add%.b %1,%0" \ - : "+m" (*(mem)) \ - : "id" (value)); \ - else if (sizeof (*(mem)) == 2) \ - __asm __volatile ("add%.w %1,%0" \ - : "+m" (*(mem)) \ - : "id" (value)); \ - else if (sizeof (*(mem)) == 4) \ - __asm __volatile ("add%.l %1,%0" \ - : "+m" (*(mem)) \ - : "id" (value)); \ - else \ - { \ - __typeof (mem) __memp = (mem); \ - __typeof (*(mem)) __oldval = *__memp; \ - __typeof (*(mem)) __temp; \ - __asm __volatile ("1: move%.l %0,%1;" \ - " move%.l %R0,%R1;" \ - " add%.l %2,%1;" \ - " addx%.l %R2,%R1;" \ - " cas2%.l %0:%R0,%1:%R1,(%3):(%4);" \ - " jbne 1b" \ - : "=d" (__oldval), "=&d" (__temp) \ - : "d" (value), "r" (__memp), \ - "r" ((char *) __memp + 4), "0" (__oldval) \ - : "memory"); \ - } \ - }) - -#define atomic_increment_and_test(mem) \ - ({ char __result; \ - if (sizeof (*(mem)) == 1) \ - __asm __volatile ("addq%.b %#1,%1; seq %0" \ - : "=dm" (__result), "+m" (*(mem))); \ - else if (sizeof (*(mem)) == 2) \ - __asm __volatile ("addq%.w %#1,%1; seq %0" \ - : "=dm" (__result), "+m" (*(mem))); \ - else if (sizeof (*(mem)) == 4) \ - __asm __volatile ("addq%.l %#1,%1; seq %0" \ - : "=dm" (__result), "+m" (*(mem))); \ - else \ - { \ - __typeof (mem) __memp = (mem); \ - __typeof (*(mem)) __oldval = *__memp; \ - __typeof (*(mem)) __temp; \ - __asm __volatile ("1: move%.l %1,%2;" \ - " move%.l %R1,%R2;" \ - " addq%.l %#1,%2;" \ - " addx%.l %5,%R2;" \ - " seq %0;" \ - " cas2%.l %1:%R1,%2:%R2,(%3):(%4);" \ - " jbne 1b" \ - : "=&dm" (__result), "=d" (__oldval), \ - "=&d" (__temp) \ - : "r" (__memp), "r" ((char *) __memp + 4), \ - "d" (0), "1" (__oldval) \ - : "memory"); \ - } \ - __result; }) - -#define atomic_decrement_and_test(mem) \ - ({ char __result; \ - if (sizeof (*(mem)) == 1) \ - __asm __volatile ("subq%.b %#1,%1; seq %0" \ - : "=dm" (__result), "+m" (*(mem))); \ - else if (sizeof (*(mem)) == 2) \ - __asm __volatile ("subq%.w %#1,%1; seq %0" \ - : "=dm" (__result), "+m" (*(mem))); \ - else if (sizeof (*(mem)) == 4) \ - __asm __volatile ("subq%.l %#1,%1; seq %0" \ - : "=dm" (__result), "+m" (*(mem))); \ - else \ - { \ - __typeof (mem) __memp = (mem); \ - __typeof (*(mem)) __oldval = *__memp; \ - __typeof (*(mem)) __temp; \ - __asm __volatile ("1: move%.l %1,%2;" \ - " move%.l %R1,%R2;" \ - " subq%.l %#1,%2;" \ - " subx%.l %5,%R2;" \ - " seq %0;" \ - " cas2%.l %1:%R1,%2:%R2,(%3):(%4);" \ - " jbne 1b" \ - : "=&dm" (__result), "=d" (__oldval), \ - "=&d" (__temp) \ - : "r" (__memp), "r" ((char *) __memp + 4), \ - "d" (0), "1" (__oldval) \ - : "memory"); \ - } \ - __result; }) - -#define atomic_bit_set(mem, bit) \ - __asm __volatile ("bfset %0{%1,#1}" \ - : "+m" (*(mem)) \ - : "di" (sizeof (*(mem)) * 8 - (bit) - 1)) - -#define atomic_bit_test_set(mem, bit) \ - ({ char __result; \ - __asm __volatile ("bfset %1{%2,#1}; sne %0" \ - : "=dm" (__result), "+m" (*(mem)) \ - : "di" (sizeof (*(mem)) * 8 - (bit) - 1)); \ - __result; }) |