diff options
Diffstat (limited to 'sysdeps/sh')
| -rw-r--r-- | sysdeps/sh/bits/atomic.h | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/sysdeps/sh/bits/atomic.h b/sysdeps/sh/bits/atomic.h deleted file mode 100644 index d3725fc66b..0000000000 --- a/sysdeps/sh/bits/atomic.h +++ /dev/null @@ -1,402 +0,0 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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) __result; \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.b @%1,%0\n\ - cmp/eq %0,%3\n\ - bf 1f\n\ - mov.b %2,@%1\n\ - 1: mov r1,r15"\ - : "=&r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \ - : "r0", "r1", "t", "memory"); \ - __result; }) - -#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \ - ({ __typeof (*mem) __result; \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.w @%1,%0\n\ - cmp/eq %0,%3\n\ - bf 1f\n\ - mov.w %2,@%1\n\ - 1: mov r1,r15"\ - : "=&r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \ - : "r0", "r1", "t", "memory"); \ - __result; }) - -#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \ - ({ __typeof (*mem) __result; \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%1,%0\n\ - cmp/eq %0,%3\n\ - bf 1f\n\ - mov.l %2,@%1\n\ - 1: mov r1,r15"\ - : "=&r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \ - : "r0", "r1", "t", "memory"); \ - __result; }) - -/* XXX We do not really need 64-bit compare-and-exchange. At least - not in the moment. Using it would mean causing portability - problems since not many other 32-bit architectures have support for - such an operation. So don't define any code for now. */ - -# define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \ - (abort (), 0) - -#define atomic_exchange_and_add(mem, value) \ - ({ __typeof (*mem) __result; \ - __typeof (value) __value; \ - if (sizeof (*mem) == 1) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.b @%2,%0\n\ - add %0,%1\n\ - mov.b %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \ - : "r0", "r1", "memory"); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.w @%2,%0\n\ - add %0,%1\n\ - mov.w %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \ - : "r0", "r1", "memory"); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%2,%0\n\ - add %0,%1\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \ - : "r0", "r1", "memory"); \ - else \ - { \ - __typeof (value) addval = (value); \ - __typeof (mem) memp = (mem); \ - do \ - __result = *memp; \ - while (__arch_compare_and_exchange_val_64_acq \ - (memp, __result + addval, __result) == __result); \ - (void) addval; \ - } \ - __result; }) - -#define atomic_add(mem, value) \ - (void) ({ __typeof (value) __value; \ - if (sizeof (*mem) == 1) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.b @%1,r2\n\ - add r2,%0\n\ - mov.b %0,@%1\n\ - 1: mov r1,r15"\ - : "=&r" (__value) : "r" (mem), "0" (value) \ - : "r0", "r1", "r2", "memory"); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.w @%1,r2\n\ - add r2,%0\n\ - mov.w %0,@%1\n\ - 1: mov r1,r15"\ - : "=&r" (__value) : "r" (mem), "0" (value) \ - : "r0", "r1", "r2", "memory"); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%1,r2\n\ - add r2,%0\n\ - mov.l %0,@%1\n\ - 1: mov r1,r15"\ - : "=&r" (__value) : "r" (mem), "0" (value) \ - : "r0", "r1", "r2", "memory"); \ - else \ - { \ - __typeof (value) addval = (value); \ - __typeof (*mem) oldval; \ - __typeof (mem) memp = (mem); \ - do \ - oldval = *memp; \ - while (__arch_compare_and_exchange_val_64_acq \ - (memp, oldval + addval, oldval) == oldval); \ - (void) addval; \ - } \ - }) - -#define atomic_add_negative(mem, value) \ - ({ unsigned char __result; \ - __typeof (value) __value; \ - if (sizeof (*mem) == 1) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.b @%2,r2\n\ - add r2,%1\n\ - mov.b %1,@%2\n\ - 1: mov r1,r15\n\ - shal %1\n\ - movt %0"\ - : "=r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \ - : "r0", "r1", "r2", "t", "memory"); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.w @%2,r2\n\ - add r2,%1\n\ - mov.w %1,@%2\n\ - 1: mov r1,r15\n\ - shal %1\n\ - movt %0"\ - : "=r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \ - : "r0", "r1", "r2", "t", "memory"); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%2,r2\n\ - add r2,%1\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15\n\ - shal %1\n\ - movt %0"\ - : "=r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \ - : "r0", "r1", "r2", "t", "memory"); \ - else \ - abort (); \ - __result; }) - -#define atomic_add_zero(mem, value) \ - ({ unsigned char __result; \ - __typeof (value) __value; \ - if (sizeof (*mem) == 1) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.b @%2,r2\n\ - add r2,%1\n\ - mov.b %1,@%2\n\ - 1: mov r1,r15\n\ - tst %1,%1\n\ - movt %0"\ - : "=r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \ - : "r0", "r1", "r2", "t", "memory"); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.w @%2,r2\n\ - add r2,%1\n\ - mov.w %1,@%2\n\ - 1: mov r1,r15\n\ - tst %1,%1\n\ - movt %0"\ - : "=r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \ - : "r0", "r1", "r2", "t", "memory"); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%2,r2\n\ - add r2,%1\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15\n\ - tst %1,%1\n\ - movt %0"\ - : "=r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \ - : "r0", "r1", "r2", "t", "memory"); \ - else \ - abort (); \ - __result; }) - -#define atomic_increment_and_test(mem) atomic_add_zero((mem), 1) -#define atomic_decrement_and_test(mem) atomic_add_zero((mem), -1) - -#define atomic_bit_set(mem, bit) \ - (void) ({ unsigned int __mask = 1 << (bit); \ - if (sizeof (*mem) == 1) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.b @%0,r2\n\ - or %1,r2\n\ - mov.b r2,@%0\n\ - 1: mov r1,r15"\ - : : "r" (mem), "r" (__mask) \ - : "r0", "r1", "r2", "memory"); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.w @%0,r2\n\ - or %1,r2\n\ - mov.w r2,@%0\n\ - 1: mov r1,r15"\ - : : "r" (mem), "r" (__mask) \ - : "r0", "r1", "r2", "memory"); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%0,r2\n\ - or %1,r2\n\ - mov.l r2,@%0\n\ - 1: mov r1,r15"\ - : : "r" (mem), "r" (__mask) \ - : "r0", "r1", "r2", "memory"); \ - else \ - abort (); \ - }) - -#define atomic_bit_test_set(mem, bit) \ - ({ unsigned int __mask = 1 << (bit); \ - unsigned int __result = __mask; \ - if (sizeof (*mem) == 1) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.b @%2,r2\n\ - or r2,%1\n\ - and r2,%0\n\ - mov.b %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__result), "=&r" (__mask) \ - : "r" (mem), "0" (__result), "1" (__mask) \ - : "r0", "r1", "r2", "memory"); \ - else if (sizeof (*mem) == 2) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.w @%2,r2\n\ - or r2,%1\n\ - and r2,%0\n\ - mov.w %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__result), "=&r" (__mask) \ - : "r" (mem), "0" (__result), "1" (__mask) \ - : "r0", "r1", "r2", "memory"); \ - else if (sizeof (*mem) == 4) \ - __asm __volatile ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%2,r2\n\ - or r2,%1\n\ - and r2,%0\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__result), "=&r" (__mask) \ - : "r" (mem), "0" (__result), "1" (__mask) \ - : "r0", "r1", "r2", "memory"); \ - else \ - abort (); \ - __result; }) |