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atomic: Add generic atom[ic]_cmpxchg

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Signed-off-by: Aaron Watry <awatry@gmail.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 217918
This commit is contained in:
Aaron Watry 2014-09-16 22:34:49 +00:00
parent 025d79ad6c
commit 0d976ba497
8 changed files with 56 additions and 0 deletions
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15
libclc/generic/include/clc/atomic/atomic_cmpxchg.h Normal file
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@ -0,0 +1,15 @@
#define __CLC_FUNCTION atomic_cmpxchg
#define __CLC_DECLARE_ATOMIC_3_ARG(ADDRSPACE, TYPE) \
_CLC_OVERLOAD _CLC_DECL TYPE __CLC_FUNCTION (volatile ADDRSPACE TYPE *, TYPE, TYPE);
#define __CLC_DECLARE_ATOMIC_ADDRSPACE_3_ARG(TYPE) \
__CLC_DECLARE_ATOMIC_3_ARG(global, TYPE); \
__CLC_DECLARE_ATOMIC_3_ARG(local, TYPE);
__CLC_DECLARE_ATOMIC_ADDRSPACE_3_ARG(int);
__CLC_DECLARE_ATOMIC_ADDRSPACE_3_ARG(uint);
#undef __CLC_FUNCTION
#undef __CLC_DECLARE_ATOMIC_3_ARG
#undef __CLC_DECLARE_ATOMIC_ADDRESS_SPACE_3_ARG

2
libclc/generic/include/clc/cl_khr_global_int32_base_atomics/atom_cmpxchg.h Normal file
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@ -0,0 +1,2 @@
_CLC_OVERLOAD _CLC_DECL int atom_cmpxchg(global int *p, int cmp, int val);
_CLC_OVERLOAD _CLC_DECL unsigned int atom_cmpxchg(global unsigned int *p, unsigned int cmp, unsigned int val);

2
libclc/generic/include/clc/cl_khr_local_int32_base_atomics/atom_cmpxchg.h Normal file
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@ -0,0 +1,2 @@
_CLC_OVERLOAD _CLC_DECL int atom_cmpxchg(local int *p, int cmp, int val);
_CLC_OVERLOAD _CLC_DECL unsigned int atom_cmpxchg(local unsigned int *p, unsigned int cmp, unsigned int val);

3
libclc/generic/include/clc/clc.h
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@ -142,6 +142,7 @@
/* 6.11.11 Atomic Functions */
#include <clc/atomic/atomic_add.h>
#include <clc/atomic/atomic_and.h>
#include <clc/atomic/atomic_cmpxchg.h>
#include <clc/atomic/atomic_dec.h>
#include <clc/atomic/atomic_inc.h>
#include <clc/atomic/atomic_max.h>
@ -153,6 +154,7 @@
/* cl_khr_global_int32_base_atomics Extension Functions */
#include <clc/cl_khr_global_int32_base_atomics/atom_add.h>
#include <clc/cl_khr_global_int32_base_atomics/atom_cmpxchg.h>
#include <clc/cl_khr_global_int32_base_atomics/atom_dec.h>
#include <clc/cl_khr_global_int32_base_atomics/atom_inc.h>
#include <clc/cl_khr_global_int32_base_atomics/atom_sub.h>
@ -167,6 +169,7 @@
/* cl_khr_local_int32_base_atomics Extension Functions */
#include <clc/cl_khr_local_int32_base_atomics/atom_add.h>
#include <clc/cl_khr_local_int32_base_atomics/atom_cmpxchg.h>
#include <clc/cl_khr_local_int32_base_atomics/atom_dec.h>
#include <clc/cl_khr_local_int32_base_atomics/atom_inc.h>
#include <clc/cl_khr_local_int32_base_atomics/atom_sub.h>

2
libclc/generic/lib/SOURCES
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@ -2,6 +2,7 @@ async/prefetch.cl
atomic/atomic_xchg.cl
atomic/atomic_impl.ll
cl_khr_global_int32_base_atomics/atom_add.cl
cl_khr_global_int32_base_atomics/atom_cmpxchg.cl
cl_khr_global_int32_base_atomics/atom_dec.cl
cl_khr_global_int32_base_atomics/atom_inc.cl
cl_khr_global_int32_base_atomics/atom_sub.cl
@ -12,6 +13,7 @@ cl_khr_global_int32_extended_atomics/atom_min.cl
cl_khr_global_int32_extended_atomics/atom_or.cl
cl_khr_global_int32_extended_atomics/atom_xor.cl
cl_khr_local_int32_base_atomics/atom_add.cl
cl_khr_local_int32_base_atomics/atom_cmpxchg.cl
cl_khr_local_int32_base_atomics/atom_dec.cl
cl_khr_local_int32_base_atomics/atom_inc.cl
cl_khr_local_int32_base_atomics/atom_sub.cl

14
libclc/generic/lib/atomic/atomic_impl.ll
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@ -22,6 +22,20 @@ entry:
ret i32 %0
}
define i32 @__clc_atomic_cmpxchg_addr1(i32 addrspace(1)* nocapture %ptr, i32 %compare, i32 %value) nounwind alwaysinline {
entry:
%0 = cmpxchg volatile i32 addrspace(1)* %ptr, i32 %compare, i32 %value seq_cst seq_cst
%1 = extractvalue { i32, i1 } %0, 0
ret i32 %1
}
define i32 @__clc_atomic_cmpxchg_addr3(i32 addrspace(3)* nocapture %ptr, i32 %compare, i32 %value) nounwind alwaysinline {
entry:
%0 = cmpxchg volatile i32 addrspace(3)* %ptr, i32 %compare, i32 %value seq_cst seq_cst
%1 = extractvalue { i32, i1 } %0, 0
ret i32 %1
}
define i32 @__clc_atomic_max_addr1(i32 addrspace(1)* nocapture %ptr, i32 %value) nounwind alwaysinline {
entry:
%0 = atomicrmw volatile max i32 addrspace(1)* %ptr, i32 %value seq_cst

9
libclc/generic/lib/cl_khr_global_int32_base_atomics/atom_cmpxchg.cl Normal file
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@ -0,0 +1,9 @@
#include <clc/clc.h>
#define IMPL(TYPE) \
_CLC_OVERLOAD _CLC_DEF TYPE atom_cmpxchg(global TYPE *p, TYPE cmp, TYPE val) { \
return atomic_cmpxchg(p, cmp, val); \
}
IMPL(int)
IMPL(unsigned int)

9
libclc/generic/lib/cl_khr_local_int32_base_atomics/atom_cmpxchg.cl Normal file
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@ -0,0 +1,9 @@
#include <clc/clc.h>
#define IMPL(TYPE) \
_CLC_OVERLOAD _CLC_DEF TYPE atom_cmpxchg(local TYPE *p, TYPE cmp, TYPE val) { \
return atomic_cmpxchg(p, cmp, val); \
}
IMPL(int)
IMPL(unsigned int)