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src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.hpp
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*** 1,7 ****
/*
! * Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
--- 1,7 ----
/*
! * Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*** 48,87 ****
inline void Atomic::dec (volatile jint* dest) { (void)add (-1, dest); }
inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); }
inline void Atomic::dec_ptr(volatile void* dest) { (void)add_ptr(-1, dest); }
- #ifdef _LP64
-
inline void Atomic::store(jlong store_value, jlong* dest) { *dest = store_value; }
inline void Atomic::store(jlong store_value, volatile jlong* dest) { *dest = store_value; }
inline jlong Atomic::load(volatile jlong* src) { return *src; }
- #else
-
- extern "C" void _Atomic_move_long_v9(volatile jlong* src, volatile jlong* dst);
-
- inline void Atomic_move_long(volatile jlong* src, volatile jlong* dst) {
- _Atomic_move_long_v9(src, dst);
- }
-
- inline jlong Atomic::load(volatile jlong* src) {
- volatile jlong dest;
- Atomic_move_long(src, &dest);
- return dest;
- }
-
- inline void Atomic::store(jlong store_value, jlong* dest) {
- Atomic_move_long((volatile jlong*)&store_value, (volatile jlong*)dest);
- }
-
- inline void Atomic::store(jlong store_value, volatile jlong* dest) {
- Atomic_move_long((volatile jlong*)&store_value, dest);
- }
-
- #endif
-
#ifdef _GNU_SOURCE
inline jint Atomic::add (jint add_value, volatile jint* dest) {
intptr_t rv;
__asm__ volatile(
--- 48,61 ----
*** 99,109 ****
return rv;
}
inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
intptr_t rv;
- #ifdef _LP64
__asm__ volatile(
"1: \n\t"
" ldx [%2], %%o2\n\t"
" add %0, %%o2, %%o3\n\t"
" casx [%2], %%o2, %%o3\n\t"
--- 73,82 ----
*** 112,135 ****
" nop\n\t"
" add %0, %%o2, %0\n\t"
: "=r" (rv)
: "r" (add_value), "r" (dest)
: "memory", "o2", "o3");
- #else //_LP64
- __asm__ volatile(
- "1: \n\t"
- " ld [%2], %%o2\n\t"
- " add %1, %%o2, %%o3\n\t"
- " cas [%2], %%o2, %%o3\n\t"
- " cmp %%o2, %%o3\n\t"
- " bne 1b\n\t"
- " nop\n\t"
- " add %1, %%o2, %0\n\t"
- : "=r" (rv)
- : "r" (add_value), "r" (dest)
- : "memory", "o2", "o3");
- #endif // _LP64
return rv;
}
inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest);
--- 85,94 ----
*** 146,156 ****
return rv;
}
inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
intptr_t rv = exchange_value;
- #ifdef _LP64
__asm__ volatile(
"1:\n\t"
" mov %1, %%o3\n\t"
" ldx [%2], %%o2\n\t"
" casx [%2], %%o2, %%o3\n\t"
--- 105,114 ----
*** 159,175 ****
" nop\n\t"
" mov %%o2, %0\n\t"
: "=r" (rv)
: "r" (exchange_value), "r" (dest)
: "memory", "o2", "o3");
- #else //_LP64
- __asm__ volatile(
- "swap [%2],%1\n\t"
- : "=r" (rv)
- : "0" (exchange_value) /* we use same register as for return value */, "r" (dest)
- : "memory");
- #endif // _LP64
return rv;
}
inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest);
--- 117,126 ----
*** 185,251 ****
: "memory");
return rv;
}
inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value, cmpxchg_memory_order order) {
- #ifdef _LP64
jlong rv;
__asm__ volatile(
" casx [%2], %3, %0"
: "=r" (rv)
: "0" (exchange_value), "r" (dest), "r" (compare_value)
: "memory");
return rv;
- #else //_LP64
- volatile jlong_accessor evl, cvl, rv;
- evl.long_value = exchange_value;
- cvl.long_value = compare_value;
-
- __asm__ volatile(
- " sllx %2, 32, %2\n\t"
- " srl %3, 0, %3\n\t"
- " or %2, %3, %2\n\t"
- " sllx %5, 32, %5\n\t"
- " srl %6, 0, %6\n\t"
- " or %5, %6, %5\n\t"
- " casx [%4], %5, %2\n\t"
- " srl %2, 0, %1\n\t"
- " srlx %2, 32, %0\n\t"
- : "=r" (rv.words[0]), "=r" (rv.words[1])
- : "r" (evl.words[0]), "r" (evl.words[1]), "r" (dest), "r" (cvl.words[0]), "r" (cvl.words[1])
- : "memory");
-
- return rv.long_value;
- #endif //_LP64
}
inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
intptr_t rv;
- #ifdef _LP64
__asm__ volatile(
" casx [%2], %3, %0"
: "=r" (rv)
: "0" (exchange_value), "r" (dest), "r" (compare_value)
: "memory");
- #else //_LP64
- __asm__ volatile(
- " cas [%2], %3, %0"
- : "=r" (rv)
- : "0" (exchange_value), "r" (dest), "r" (compare_value)
- : "memory");
- #endif // _LP64
return rv;
}
inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value, cmpxchg_memory_order order) {
return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value, order);
}
#else // _GNU_SOURCE
- #if defined(COMPILER2) || defined(_LP64)
-
// This is the interface to the atomic instructions in solaris_sparc.il.
// It's very messy because we need to support v8 and these instructions
// are illegal there. When sparc v8 is dropped, we can drop out lots of
// this code. Also compiler2 does not support v8 so the conditional code
// omits the instruction set check.
--- 136,170 ----
*** 264,278 ****
inline jint Atomic::add (jint add_value, volatile jint* dest) {
return _Atomic_add32(add_value, dest);
}
inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
- #ifdef _LP64
return _Atomic_add64(add_value, dest);
- #else //_LP64
- return _Atomic_add32(add_value, dest);
- #endif // _LP64
}
inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest);
}
--- 183,193 ----
*** 281,295 ****
inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
return _Atomic_swap32(exchange_value, dest);
}
inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
- #ifdef _LP64
return _Atomic_swap64(exchange_value, dest);
- #else // _LP64
- return _Atomic_swap32(exchange_value, dest);
- #endif // _LP64
}
inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest);
}
--- 196,206 ----
*** 298,376 ****
inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value, cmpxchg_memory_order order) {
return _Atomic_cas32(exchange_value, dest, compare_value);
}
inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value, cmpxchg_memory_order order) {
- #ifdef _LP64
// Return 64 bit value in %o0
return _Atomic_cas64((intptr_t)exchange_value, (intptr_t *)dest, (intptr_t)compare_value);
- #else // _LP64
- // Return 64 bit value in %o0,%o1 by hand
- return _Atomic_casl(exchange_value, dest, compare_value);
- #endif // _LP64
}
inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
- #ifdef _LP64
return _Atomic_cas64(exchange_value, dest, compare_value);
- #else // _LP64
- return _Atomic_cas32(exchange_value, dest, compare_value);
- #endif // _LP64
}
inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value, cmpxchg_memory_order order) {
return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value, order);
}
-
- #else // _LP64 || COMPILER2
-
-
- // 32-bit compiler1 only
-
- inline jint Atomic::add (jint add_value, volatile jint* dest) {
- return (*os::atomic_add_func)(add_value, dest);
- }
-
- inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
- return (intptr_t)add((jint)add_value, (volatile jint*)dest);
- }
-
- inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
- return (void*)add((jint)add_value, (volatile jint*)dest);
- }
-
-
- inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
- return (*os::atomic_xchg_func)(exchange_value, dest);
- }
-
- inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
- return (intptr_t)xchg((jint)exchange_value, (volatile jint*)dest);
- }
-
- inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
- return (void*)xchg((jint)exchange_value, (volatile jint*)dest);
- }
-
-
- inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value, cmpxchg_memory_order order) {
- return (*os::atomic_cmpxchg_func)(exchange_value, dest, compare_value);
- }
-
- inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value, cmpxchg_memory_order order) {
- return (*os::atomic_cmpxchg_long_func)(exchange_value, dest, compare_value);
- }
-
- inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
- return (intptr_t)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value, order);
- }
-
- inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value, cmpxchg_memory_order order) {
- return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value, order);
- }
-
- #endif // _LP64 || COMPILER2
-
#endif // _GNU_SOURCE
#endif // OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_HPP
--- 209,228 ----
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