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atomic: Add generic implementation of atom[ic]_max

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v2: Correct int/uint behavior

Signed-off-by: Aaron Watry <awatry@gmail.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 217912
This commit is contained in:
Aaron Watry 2014-09-16 22:34:24 +00:00
parent c9b88d32be
commit 49614fbfd9
8 changed files with 58 additions and 0 deletions
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3
libclc/generic/include/clc/atomic/atomic_max.h Normal file
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@ -0,0 +1,3 @@
#define __CLC_FUNCTION atomic_max
#include <clc/atomic/atomic_decl.inc>
#undef __CLC_FUNCTION

2
libclc/generic/include/clc/cl_khr_global_int32_extended_atomics/atom_max.h Normal file
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@ -0,0 +1,2 @@
_CLC_OVERLOAD _CLC_DECL int atom_max(global int *p, int val);
_CLC_OVERLOAD _CLC_DECL unsigned int atom_max(global unsigned int *p, unsigned int val);

2
libclc/generic/include/clc/cl_khr_local_int32_extended_atomics/atom_max.h Normal file
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@ -0,0 +1,2 @@
_CLC_OVERLOAD _CLC_DECL int atom_max(local int *p, int val);
_CLC_OVERLOAD _CLC_DECL unsigned int atom_max(local unsigned int *p, unsigned int val);

7
libclc/generic/include/clc/clc.h
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@ -143,6 +143,7 @@
#include <clc/atomic/atomic_add.h>
#include <clc/atomic/atomic_dec.h>
#include <clc/atomic/atomic_inc.h>
#include <clc/atomic/atomic_max.h>
#include <clc/atomic/atomic_sub.h>
/* cl_khr_global_int32_base_atomics Extension Functions */
@ -151,11 +152,17 @@
#include <clc/cl_khr_global_int32_base_atomics/atom_inc.h>
#include <clc/cl_khr_global_int32_base_atomics/atom_sub.h>
/* cl_khr_global_int32_extended_atomics Extension Functions */
#include <clc/cl_khr_global_int32_extended_atomics/atom_max.h>
/* 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_dec.h>
#include <clc/cl_khr_local_int32_base_atomics/atom_inc.h>
#include <clc/cl_khr_local_int32_base_atomics/atom_sub.h>
/* cl_khr_local_int32_extended_atomics Extension Functions */
#include <clc/cl_khr_local_int32_extended_atomics/atom_max.h>
/* libclc internal defintions */
#ifdef __CLC_INTERNAL

2
libclc/generic/lib/SOURCES
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@ -4,10 +4,12 @@ cl_khr_global_int32_base_atomics/atom_add.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
cl_khr_global_int32_extended_atomics/atom_max.cl
cl_khr_local_int32_base_atomics/atom_add.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
cl_khr_local_int32_extended_atomics/atom_max.cl
convert.cl
common/sign.cl
geometric/cross.cl

24
libclc/generic/lib/atomic/atomic_impl.ll
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@ -10,6 +10,30 @@ entry:
ret i32 %0
}
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
ret i32 %0
}
define i32 @__clc_atomic_max_addr3(i32 addrspace(3)* nocapture %ptr, i32 %value) nounwind alwaysinline {
entry:
%0 = atomicrmw volatile max i32 addrspace(3)* %ptr, i32 %value seq_cst
ret i32 %0
}
define i32 @__clc_atomic_umax_addr1(i32 addrspace(1)* nocapture %ptr, i32 %value) nounwind alwaysinline {
entry:
%0 = atomicrmw volatile umax i32 addrspace(1)* %ptr, i32 %value seq_cst
ret i32 %0
}
define i32 @__clc_atomic_umax_addr3(i32 addrspace(3)* nocapture %ptr, i32 %value) nounwind alwaysinline {
entry:
%0 = atomicrmw volatile umax i32 addrspace(3)* %ptr, i32 %value seq_cst
ret i32 %0
}
define i32 @__clc_atomic_sub_addr1(i32 addrspace(1)* nocapture %ptr, i32 %value) nounwind alwaysinline {
entry:
%0 = atomicrmw volatile sub i32 addrspace(1)* %ptr, i32 %value seq_cst

9
libclc/generic/lib/cl_khr_global_int32_extended_atomics/atom_max.cl Normal file
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@ -0,0 +1,9 @@
#include <clc/clc.h>
#define IMPL(TYPE) \
_CLC_OVERLOAD _CLC_DEF TYPE atom_max(global TYPE *p, TYPE val) { \
return atomic_max(p, val); \
}
IMPL(int)
IMPL(unsigned int)

9
libclc/generic/lib/cl_khr_local_int32_extended_atomics/atom_max.cl Normal file
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@ -0,0 +1,9 @@
#include <clc/clc.h>
#define IMPL(TYPE) \
_CLC_OVERLOAD _CLC_DEF TYPE atom_max(local TYPE *p, TYPE val) { \
return atomic_max(p, val); \
}
IMPL(int)
IMPL(unsigned int)