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/*========================== begin_copyright_notice ============================
Copyright (C) 2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include <cm-cl/atomic.h>
#include <cm-cl/vector.h>
using namespace cm;
extern "C" {
#include "spirv_atomics_common.h"
}
namespace {
template <typename PtrT, atomic::operation op, memory_order OCLSemantics,
memory_scope OCLScope, typename... OpT>
constexpr auto invokeConcreteAtomic(PtrT *ptr, OpT... operands) {
return atomic::execute<op, OCLSemantics, OCLScope, PtrT>(ptr, operands...);
}
template <typename PtrT, atomic::operation operation, memory_scope OCLScope,
typename... OpT>
static CM_NODEBUG CM_INLINE auto
spirvAtomicHelperWithKnownScope(PtrT *ptr, int Semantics, OpT... operands) {
switch (Semantics) {
default:
case SequentiallyConsistent:
return invokeConcreteAtomic<PtrT, operation, memory_order_seq_cst,
OCLScope>(ptr, operands...);
case Relaxed:
return invokeConcreteAtomic<PtrT, operation, memory_order_relaxed,
OCLScope>(ptr, operands...);
case Acquire:
return invokeConcreteAtomic<PtrT, operation, memory_order_acquire,
OCLScope>(ptr, operands...);
case Release:
return invokeConcreteAtomic<PtrT, operation, memory_order_release,
OCLScope>(ptr, operands...);
case AcquireRelease:
return invokeConcreteAtomic<PtrT, operation, memory_order_acq_rel,
OCLScope>(ptr, operands...);
}
}
// Iterate through all possible values of non-constant semantics and scope.
// Use the strict possible values if unknown: sequential-consistency semantics
// and cross-device scope.
template <atomic::operation operation, typename PtrT, typename... OpT>
static CM_NODEBUG CM_INLINE auto spirvAtomicHelper(PtrT *ptr, int Semantics,
int Scope, OpT... operands) {
switch (Scope) {
default:
case CrossDevice:
return spirvAtomicHelperWithKnownScope<PtrT, operation,
memory_scope_all_devices>(
ptr, Semantics, operands...);
case Device:
return spirvAtomicHelperWithKnownScope<PtrT, operation,
memory_scope_device>(ptr, Semantics,
operands...);
case Workgroup:
return spirvAtomicHelperWithKnownScope<PtrT, operation,
memory_scope_work_group>(
ptr, Semantics, operands...);
case Subgroup:
return spirvAtomicHelperWithKnownScope<PtrT, operation,
memory_scope_sub_group>(
ptr, Semantics, operands...);
case Invocation:
return spirvAtomicHelperWithKnownScope<PtrT, operation,
memory_scope_work_item>(
ptr, Semantics, operands...);
}
}
} // namespace
#define SPIRV_ATOMIC_BUILTIN_LOAD(ADDRESS_SPACE, TYPE) \
CM_NODEBUG CM_INLINE TYPE __spirv_AtomicLoad(ADDRESS_SPACE TYPE *ptr, \
int Scope, int Semantics) { \
return spirvAtomicHelper<atomic::operation::load, ADDRESS_SPACE TYPE>( \
ptr, Semantics, Scope); \
}
// FIXME: strict aliasing violation.
#define SPIRV_ATOMIC_BUILTIN_FLOATS(ADDRESS_SPACE) \
CM_NODEBUG CM_INLINE float __spirv_AtomicLoad(ADDRESS_SPACE float *ptr, \
int Scope, int Semantics) { \
ADDRESS_SPACE int *int_ptr = reinterpret_cast<ADDRESS_SPACE int *>(ptr); \
return as_float(__spirv_AtomicLoad(int_ptr, Scope, Semantics)); \
} \
CM_NODEBUG CM_INLINE double __spirv_AtomicLoad(ADDRESS_SPACE double *ptr, \
int Scope, int Semantics) { \
ADDRESS_SPACE long *long_ptr = \
reinterpret_cast<ADDRESS_SPACE long *>(ptr); \
return as_double(__spirv_AtomicLoad(long_ptr, Scope, Semantics)); \
}
SPIRV_ATOMIC_BUILTIN_LOAD(__global, int)
SPIRV_ATOMIC_BUILTIN_LOAD(__global, long)
SPIRV_ATOMIC_BUILTIN_FLOATS(__global)
SPIRV_ATOMIC_BUILTIN_LOAD(__local, int)
SPIRV_ATOMIC_BUILTIN_LOAD(__local, long)
SPIRV_ATOMIC_BUILTIN_FLOATS(__local)
SPIRV_ATOMIC_BUILTIN_LOAD(__generic, int)
SPIRV_ATOMIC_BUILTIN_LOAD(__generic, long)
SPIRV_ATOMIC_BUILTIN_FLOATS(__generic)
#define SPIRV_ATOMIC_BUILTIN_STORE(ADDRESS_SPACE, TYPE) \
CM_NODEBUG CM_INLINE void __spirv_AtomicStore( \
ADDRESS_SPACE TYPE *ptr, int Scope, int Semantics, TYPE Value) { \
spirvAtomicHelper<atomic::operation::store, ADDRESS_SPACE TYPE>( \
ptr, Semantics, Scope, Value); \
}
SPIRV_ATOMIC_BUILTIN_STORE(__global, int)
SPIRV_ATOMIC_BUILTIN_STORE(__global, long)
SPIRV_ATOMIC_BUILTIN_STORE(__global, float)
SPIRV_ATOMIC_BUILTIN_STORE(__global, double)
SPIRV_ATOMIC_BUILTIN_STORE(__local, int)
SPIRV_ATOMIC_BUILTIN_STORE(__local, long)
SPIRV_ATOMIC_BUILTIN_STORE(__local, float)
SPIRV_ATOMIC_BUILTIN_STORE(__local, double)
SPIRV_ATOMIC_BUILTIN_STORE(__generic, int)
SPIRV_ATOMIC_BUILTIN_STORE(__generic, long)
SPIRV_ATOMIC_BUILTIN_STORE(__generic, float)
SPIRV_ATOMIC_BUILTIN_STORE(__generic, double)
#define SPIRV_ATOMIC_BUILTIN_BINARY(SPIRV_ATOMIC_OP, GEN_ATOMIC_OP, \
ADDRESS_SPACE, TYPE) \
CM_NODEBUG CM_INLINE TYPE __spirv_Atomic##SPIRV_ATOMIC_OP( \
ADDRESS_SPACE TYPE *ptr, int Scope, int Semantics, TYPE Value) { \
return spirvAtomicHelper<GEN_ATOMIC_OP, ADDRESS_SPACE TYPE>( \
ptr, Semantics, Scope, Value); \
}
SPIRV_ATOMIC_BUILTIN_BINARY(SMin, atomic::operation::minsint, __global, int)
SPIRV_ATOMIC_BUILTIN_BINARY(SMin, atomic::operation::minsint, __global, long)
SPIRV_ATOMIC_BUILTIN_BINARY(SMin, atomic::operation::minsint, __local, int)
SPIRV_ATOMIC_BUILTIN_BINARY(SMin, atomic::operation::minsint, __local, long)
SPIRV_ATOMIC_BUILTIN_BINARY(SMin, atomic::operation::minsint, __generic, int)
SPIRV_ATOMIC_BUILTIN_BINARY(SMin, atomic::operation::minsint, __generic, long)
SPIRV_ATOMIC_BUILTIN_BINARY(SMax, atomic::operation::maxsint, __global, int)
SPIRV_ATOMIC_BUILTIN_BINARY(SMax, atomic::operation::maxsint, __global, long)
SPIRV_ATOMIC_BUILTIN_BINARY(SMax, atomic::operation::maxsint, __local, int)
SPIRV_ATOMIC_BUILTIN_BINARY(SMax, atomic::operation::maxsint, __local, long)
SPIRV_ATOMIC_BUILTIN_BINARY(SMax, atomic::operation::maxsint, __generic, int)
SPIRV_ATOMIC_BUILTIN_BINARY(SMax, atomic::operation::maxsint, __generic, long)
SPIRV_ATOMIC_BUILTIN_BINARY(UMin, atomic::operation::min, __global, uint)
SPIRV_ATOMIC_BUILTIN_BINARY(UMin, atomic::operation::min, __global, ulong)
SPIRV_ATOMIC_BUILTIN_BINARY(UMin, atomic::operation::min, __local, uint)
SPIRV_ATOMIC_BUILTIN_BINARY(UMin, atomic::operation::min, __local, ulong)
SPIRV_ATOMIC_BUILTIN_BINARY(UMin, atomic::operation::min, __generic, uint)
SPIRV_ATOMIC_BUILTIN_BINARY(UMin, atomic::operation::min, __generic, ulong)
SPIRV_ATOMIC_BUILTIN_BINARY(UMax, atomic::operation::max, __global, uint)
SPIRV_ATOMIC_BUILTIN_BINARY(UMax, atomic::operation::max, __global, ulong)
SPIRV_ATOMIC_BUILTIN_BINARY(UMax, atomic::operation::max, __local, uint)
SPIRV_ATOMIC_BUILTIN_BINARY(UMax, atomic::operation::max, __local, ulong)
SPIRV_ATOMIC_BUILTIN_BINARY(UMax, atomic::operation::max, __generic, uint)
SPIRV_ATOMIC_BUILTIN_BINARY(UMax, atomic::operation::max, __generic, ulong)
SPIRV_ATOMIC_BUILTIN_BINARY(IAdd, atomic::operation::add, __global, int)
SPIRV_ATOMIC_BUILTIN_BINARY(IAdd, atomic::operation::add, __global, long)
SPIRV_ATOMIC_BUILTIN_BINARY(IAdd, atomic::operation::add, __local, int)
SPIRV_ATOMIC_BUILTIN_BINARY(IAdd, atomic::operation::add, __local, long)
SPIRV_ATOMIC_BUILTIN_BINARY(IAdd, atomic::operation::add, __generic, int)
SPIRV_ATOMIC_BUILTIN_BINARY(IAdd, atomic::operation::add, __generic, long)
SPIRV_ATOMIC_BUILTIN_BINARY(ISub, atomic::operation::sub, __global, int)
SPIRV_ATOMIC_BUILTIN_BINARY(ISub, atomic::operation::sub, __global, long)
SPIRV_ATOMIC_BUILTIN_BINARY(ISub, atomic::operation::sub, __local, int)
SPIRV_ATOMIC_BUILTIN_BINARY(ISub, atomic::operation::sub, __local, long)
SPIRV_ATOMIC_BUILTIN_BINARY(ISub, atomic::operation::sub, __generic, int)
SPIRV_ATOMIC_BUILTIN_BINARY(ISub, atomic::operation::sub, __generic, long)
SPIRV_ATOMIC_BUILTIN_BINARY(Or, atomic::operation::orl, __global, int)
SPIRV_ATOMIC_BUILTIN_BINARY(Or, atomic::operation::orl, __global, long)
SPIRV_ATOMIC_BUILTIN_BINARY(Or, atomic::operation::orl, __local, int)
SPIRV_ATOMIC_BUILTIN_BINARY(Or, atomic::operation::orl, __local, long)
SPIRV_ATOMIC_BUILTIN_BINARY(Or, atomic::operation::orl, __generic, int)
SPIRV_ATOMIC_BUILTIN_BINARY(Or, atomic::operation::orl, __generic, long)
SPIRV_ATOMIC_BUILTIN_BINARY(Xor, atomic::operation::xorl, __global, int)
SPIRV_ATOMIC_BUILTIN_BINARY(Xor, atomic::operation::xorl, __global, long)
SPIRV_ATOMIC_BUILTIN_BINARY(Xor, atomic::operation::xorl, __local, int)
SPIRV_ATOMIC_BUILTIN_BINARY(Xor, atomic::operation::xorl, __local, long)
SPIRV_ATOMIC_BUILTIN_BINARY(Xor, atomic::operation::xorl, __generic, int)
SPIRV_ATOMIC_BUILTIN_BINARY(Xor, atomic::operation::xorl, __generic, long)
SPIRV_ATOMIC_BUILTIN_BINARY(And, atomic::operation::andl, __global, int)
SPIRV_ATOMIC_BUILTIN_BINARY(And, atomic::operation::andl, __global, long)
SPIRV_ATOMIC_BUILTIN_BINARY(And, atomic::operation::andl, __local, int)
SPIRV_ATOMIC_BUILTIN_BINARY(And, atomic::operation::andl, __local, long)
SPIRV_ATOMIC_BUILTIN_BINARY(And, atomic::operation::andl, __generic, int)
SPIRV_ATOMIC_BUILTIN_BINARY(And, atomic::operation::andl, __generic, long)
SPIRV_ATOMIC_BUILTIN_BINARY(Exchange, atomic::operation::xchg, __global, int)
SPIRV_ATOMIC_BUILTIN_BINARY(Exchange, atomic::operation::xchg, __global, long)
SPIRV_ATOMIC_BUILTIN_BINARY(Exchange, atomic::operation::xchg, __global, float)
SPIRV_ATOMIC_BUILTIN_BINARY(Exchange, atomic::operation::xchg, __global, double)
SPIRV_ATOMIC_BUILTIN_BINARY(Exchange, atomic::operation::xchg, __local, int)
SPIRV_ATOMIC_BUILTIN_BINARY(Exchange, atomic::operation::xchg, __local, long)
SPIRV_ATOMIC_BUILTIN_BINARY(Exchange, atomic::operation::xchg, __local, float)
SPIRV_ATOMIC_BUILTIN_BINARY(Exchange, atomic::operation::xchg, __local, double)
SPIRV_ATOMIC_BUILTIN_BINARY(Exchange, atomic::operation::xchg, __generic, int)
SPIRV_ATOMIC_BUILTIN_BINARY(Exchange, atomic::operation::xchg, __generic, long)
SPIRV_ATOMIC_BUILTIN_BINARY(Exchange, atomic::operation::xchg, __generic, float)
SPIRV_ATOMIC_BUILTIN_BINARY(Exchange, atomic::operation::xchg, __generic,
double)
#define SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE( \
SPIRV_ATOMIC_OP, GEN_ATOMIC_OP, OPVALUE, ADDRESS_SPACE, TYPE) \
CM_NODEBUG CM_INLINE TYPE __spirv_Atomic##SPIRV_ATOMIC_OP( \
ADDRESS_SPACE TYPE *ptr, int Scope, int Semantics) { \
TYPE Value = OPVALUE; \
return spirvAtomicHelper<GEN_ATOMIC_OP, ADDRESS_SPACE TYPE>( \
ptr, Semantics, Scope, Value); \
}
SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE(IIncrement, atomic::operation::add, 1,
__global, int)
SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE(IIncrement, atomic::operation::add, 1,
__global, long)
SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE(IIncrement, atomic::operation::add, 1,
__local, int)
SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE(IIncrement, atomic::operation::add, 1,
__local, long)
SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE(IIncrement, atomic::operation::add, 1,
__generic, int)
SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE(IIncrement, atomic::operation::add, 1,
__generic, long)
SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE(IDecrement, atomic::operation::sub, 1,
__global, int)
SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE(IDecrement, atomic::operation::sub, 1,
__global, long)
SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE(IDecrement, atomic::operation::sub, 1,
__local, int)
SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE(IDecrement, atomic::operation::sub, 1,
__local, long)
SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE(IDecrement, atomic::operation::sub, 1,
__generic, int)
SPIRV_ATOMIC_BUILTIN_BINARY_WITH_OPVALUE(IDecrement, atomic::operation::sub, 1,
__generic, long)
// FIXME: Unequal semantics will be eventually merged with
// Equal semantics which will result in Equal semantics,
// so we're skipping here for now.
#define SPIRV_ATOMIC_BUILTIN_TERNARY(SPIRV_ATOMIC_OP, GEN_ATOMIC_OP, \
ADDRESS_SPACE, TYPE) \
CM_NODEBUG CM_INLINE TYPE __spirv_Atomic##SPIRV_ATOMIC_OP( \
ADDRESS_SPACE TYPE *ptr, int Scope, int Equal, int Unequal, TYPE Value1, \
TYPE Value2) { \
return spirvAtomicHelper<GEN_ATOMIC_OP, ADDRESS_SPACE TYPE>( \
ptr, Equal, Scope, Value1, Value2); \
}
SPIRV_ATOMIC_BUILTIN_TERNARY(CompareExchange, atomic::operation::cmpxchg,
__global, int)
SPIRV_ATOMIC_BUILTIN_TERNARY(CompareExchange, atomic::operation::cmpxchg,
__global, long)
SPIRV_ATOMIC_BUILTIN_TERNARY(CompareExchange, atomic::operation::cmpxchg,
__local, int)
SPIRV_ATOMIC_BUILTIN_TERNARY(CompareExchange, atomic::operation::cmpxchg,
__local, long)
SPIRV_ATOMIC_BUILTIN_TERNARY(CompareExchange, atomic::operation::cmpxchg,
__generic, int)
SPIRV_ATOMIC_BUILTIN_TERNARY(CompareExchange, atomic::operation::cmpxchg,
__generic, long)
SPIRV_ATOMIC_BUILTIN_TERNARY(CompareExchangeWeak, atomic::operation::cmpxchg,
__global, int)
SPIRV_ATOMIC_BUILTIN_TERNARY(CompareExchangeWeak, atomic::operation::cmpxchg,
__global, long)
SPIRV_ATOMIC_BUILTIN_TERNARY(CompareExchangeWeak, atomic::operation::cmpxchg,
__local, int)
SPIRV_ATOMIC_BUILTIN_TERNARY(CompareExchangeWeak, atomic::operation::cmpxchg,
__local, long)
SPIRV_ATOMIC_BUILTIN_TERNARY(CompareExchangeWeak, atomic::operation::cmpxchg,
__generic, int)
SPIRV_ATOMIC_BUILTIN_TERNARY(CompareExchangeWeak, atomic::operation::cmpxchg,
__generic, long)
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