[libclc] 208/291: R600: Map Address spaces for atomic_cmpxchg

[Andreas Beckmann]

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anbe pushed a commit to branch master
in repository libclc.

commit f33df1b1cecdfb6349594a47330425dad0ec85c9
Author: Aaron Watry <awatry at gmail.com>
Date:   Tue Sep 16 22:34:59 2014 +0000

    R600: Map Address spaces for atomic_cmpxchg
    
    Signed-off-by: Aaron Watry <awatry at gmail.com>
    Reviewed-by: Tom Stellard <thomas.stellard at amd.com>
    
    git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@217925 91177308-0d34-0410-b5e6-96231b3b80d8
---
 r600/lib/atomic/atomic.cl | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/r600/lib/atomic/atomic.cl b/r600/lib/atomic/atomic.cl
index 53406f3..5bfe07b 100644
--- a/r600/lib/atomic/atomic.cl
+++ b/r600/lib/atomic/atomic.cl
@@ -18,12 +18,31 @@ _CLC_OVERLOAD _CLC_DEF RET_SIGN TYPE CL_FUNCTION (volatile CL_ADDRSPACE RET_SIGN
 #define ATOMIC_FUNC(FUNCTION) \
 	ATOMIC_FUNC_ADDRSPACE(int, FUNCTION)
 
+#define ATOMIC_FUNC_DEFINE_3_ARG(RET_SIGN, ARG_SIGN, TYPE, CL_FUNCTION, CLC_FUNCTION, CL_ADDRSPACE, LLVM_ADDRSPACE) \
+_CLC_OVERLOAD _CLC_DEF RET_SIGN TYPE CL_FUNCTION (volatile CL_ADDRSPACE RET_SIGN TYPE *p, RET_SIGN TYPE cmp, RET_SIGN TYPE val) { \
+	return (RET_SIGN TYPE)__clc_##CLC_FUNCTION##_addr##LLVM_ADDRSPACE((volatile CL_ADDRSPACE ARG_SIGN TYPE*)p, (ARG_SIGN TYPE)cmp, (ARG_SIGN TYPE)val); \
+}
+
+/* For atomic functions that don't need different bitcode dependending on argument signedness */
+#define ATOMIC_FUNC_SIGN_3_ARG(TYPE, FUNCTION, CL_ADDRSPACE, LLVM_ADDRSPACE) \
+	_CLC_DECL signed TYPE __clc_##FUNCTION##_addr##LLVM_ADDRSPACE(volatile CL_ADDRSPACE signed TYPE*, signed TYPE, signed TYPE); \
+	ATOMIC_FUNC_DEFINE_3_ARG(signed, signed, TYPE, FUNCTION, FUNCTION, CL_ADDRSPACE, LLVM_ADDRSPACE) \
+	ATOMIC_FUNC_DEFINE_3_ARG(unsigned, signed, TYPE, FUNCTION, FUNCTION, CL_ADDRSPACE, LLVM_ADDRSPACE)
+
+#define ATOMIC_FUNC_ADDRSPACE_3_ARG(TYPE, FUNCTION) \
+	ATOMIC_FUNC_SIGN_3_ARG(TYPE, FUNCTION, global, 1) \
+	ATOMIC_FUNC_SIGN_3_ARG(TYPE, FUNCTION, local, 3)
+
+#define ATOMIC_FUNC_3_ARG(FUNCTION) \
+	ATOMIC_FUNC_ADDRSPACE_3_ARG(int, FUNCTION)
+
 ATOMIC_FUNC(atomic_add)
 ATOMIC_FUNC(atomic_and)
 ATOMIC_FUNC(atomic_or)
 ATOMIC_FUNC(atomic_sub)
 ATOMIC_FUNC(atomic_xchg)
 ATOMIC_FUNC(atomic_xor)
+ATOMIC_FUNC_3_ARG(atomic_cmpxchg)
 
 _CLC_DECL signed int __clc_atomic_max_addr1(volatile global signed int*, signed int);
 _CLC_DECL signed int __clc_atomic_max_addr3(volatile local signed int*, signed int);

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