Files
rocm-systems/include/hip/amd_detail/hip_atomic.h
T
Tao Sang c2adc70d4d Remove hip-hcc codes: Part three
1.Rename include/hip/hcc_detail/ as include/hip/amd_detail/

2.Rename include/hip/nvcc_detail/ as include/hip/nvidia_detail/

3.Create __HIP_PLATFORM_AMD__ to replace __HIP_PLATFORM_HCC__

4.Create __HIP_PLATFORM_NVIDIA__ to replace __HIP_PLATFORM_NVCC__

After hcc_detail, nvcc_detail, __HIP_PLATFORM_HCC__ and __HIP_PLATFORM_NVCC__
have been removed from upstream, they will be removed from hip runtime.

Change-Id: I1ae457effd739d6c25bca203c1724b026be21fce
2021-01-05 10:39:31 -05:00

287 line
6.4 KiB
C

#pragma once
#include "device_functions.h"
__device__
inline
int atomicCAS(int* address, int compare, int val)
{
__atomic_compare_exchange_n(
address, &compare, val, false, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
return compare;
}
__device__
inline
unsigned int atomicCAS(
unsigned int* address, unsigned int compare, unsigned int val)
{
__atomic_compare_exchange_n(
address, &compare, val, false, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
return compare;
}
__device__
inline
unsigned long long atomicCAS(
unsigned long long* address,
unsigned long long compare,
unsigned long long val)
{
__atomic_compare_exchange_n(
address, &compare, val, false, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
return compare;
}
__device__
inline
int atomicAdd(int* address, int val)
{
return __atomic_fetch_add(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned int atomicAdd(unsigned int* address, unsigned int val)
{
return __atomic_fetch_add(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned long long atomicAdd(
unsigned long long* address, unsigned long long val)
{
return __atomic_fetch_add(address, val, __ATOMIC_RELAXED);
}
__device__
inline
float atomicAdd(float* address, float val)
{
return __atomic_fetch_add(address, val, __ATOMIC_RELAXED);
}
DEPRECATED("use atomicAdd instead")
__device__
inline
void atomicAddNoRet(float* address, float val)
{
__ockl_atomic_add_noret_f32(address, val);
}
__device__
inline
double atomicAdd(double* address, double val)
{
unsigned long long* uaddr{reinterpret_cast<unsigned long long*>(address)};
unsigned long long r{__atomic_load_n(uaddr, __ATOMIC_RELAXED)};
unsigned long long old;
do {
old = __atomic_load_n(uaddr, __ATOMIC_RELAXED);
if (r != old) { r = old; continue; }
r = atomicCAS(
uaddr, r, __double_as_longlong(val + __longlong_as_double(r)));
if (r == old) break;
} while (true);
return __longlong_as_double(r);
}
__device__
inline
int atomicSub(int* address, int val)
{
return __atomic_fetch_sub(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned int atomicSub(unsigned int* address, unsigned int val)
{
return __atomic_fetch_sub(address, val, __ATOMIC_RELAXED);
}
__device__
inline
int atomicExch(int* address, int val)
{
return __atomic_exchange_n(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned int atomicExch(unsigned int* address, unsigned int val)
{
return __atomic_exchange_n(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned long long atomicExch(unsigned long long* address, unsigned long long val)
{
return __atomic_exchange_n(address, val, __ATOMIC_RELAXED);
}
__device__
inline
float atomicExch(float* address, float val)
{
return __uint_as_float(__atomic_exchange_n(
reinterpret_cast<unsigned int*>(address),
__float_as_uint(val),
__ATOMIC_RELAXED));
}
__device__
inline
int atomicMin(int* address, int val)
{
return __atomic_fetch_min(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned int atomicMin(unsigned int* address, unsigned int val)
{
return __atomic_fetch_min(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned long long atomicMin(
unsigned long long* address, unsigned long long val)
{
unsigned long long tmp{__atomic_load_n(address, __ATOMIC_RELAXED)};
while (val < tmp) {
const auto tmp1 = __atomic_load_n(address, __ATOMIC_RELAXED);
if (tmp1 != tmp) { tmp = tmp1; continue; }
tmp = atomicCAS(address, tmp, val);
}
return tmp;
}
__device__
inline
int atomicMax(int* address, int val)
{
return __atomic_fetch_max(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned int atomicMax(unsigned int* address, unsigned int val)
{
return __atomic_fetch_max(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned long long atomicMax(
unsigned long long* address, unsigned long long val)
{
unsigned long long tmp{__atomic_load_n(address, __ATOMIC_RELAXED)};
while (tmp < val) {
const auto tmp1 = __atomic_load_n(address, __ATOMIC_RELAXED);
if (tmp1 != tmp) { tmp = tmp1; continue; }
tmp = atomicCAS(address, tmp, val);
}
return tmp;
}
__device__
inline
unsigned int atomicInc(unsigned int* address, unsigned int val)
{
__device__
extern
unsigned int __builtin_amdgcn_atomic_inc(
unsigned int*,
unsigned int,
unsigned int,
unsigned int,
bool) __asm("llvm.amdgcn.atomic.inc.i32.p0i32");
return __builtin_amdgcn_atomic_inc(
address, val, __ATOMIC_RELAXED, 1 /* Device scope */, false);
}
__device__
inline
unsigned int atomicDec(unsigned int* address, unsigned int val)
{
__device__
extern
unsigned int __builtin_amdgcn_atomic_dec(
unsigned int*,
unsigned int,
unsigned int,
unsigned int,
bool) __asm("llvm.amdgcn.atomic.dec.i32.p0i32");
return __builtin_amdgcn_atomic_dec(
address, val, __ATOMIC_RELAXED, 1 /* Device scope */, false);
}
__device__
inline
int atomicAnd(int* address, int val)
{
return __atomic_fetch_and(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned int atomicAnd(unsigned int* address, unsigned int val)
{
return __atomic_fetch_and(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned long long atomicAnd(
unsigned long long* address, unsigned long long val)
{
return __atomic_fetch_and(address, val, __ATOMIC_RELAXED);
}
__device__
inline
int atomicOr(int* address, int val)
{
return __atomic_fetch_or(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned int atomicOr(unsigned int* address, unsigned int val)
{
return __atomic_fetch_or(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned long long atomicOr(
unsigned long long* address, unsigned long long val)
{
return __atomic_fetch_or(address, val, __ATOMIC_RELAXED);
}
__device__
inline
int atomicXor(int* address, int val)
{
return __atomic_fetch_xor(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned int atomicXor(unsigned int* address, unsigned int val)
{
return __atomic_fetch_xor(address, val, __ATOMIC_RELAXED);
}
__device__
inline
unsigned long long atomicXor(
unsigned long long* address, unsigned long long val)
{
return __atomic_fetch_xor(address, val, __ATOMIC_RELAXED);
}
// TODO: add scoped atomics i.e. atomic{*}_system && atomic{*}_block.