[libclc] r190201 - Add atomic_sub and atomic_dec builtin functions

[Aaron Watry]

Author: awatry
Date: Fri Sep  6 15:20:21 2013
New Revision: 190201

URL: http://llvm.org/viewvc/llvm-project?rev=190201&view=rev
Log:
Add atomic_sub and atomic_dec builtin functions

Reviewed-by: Tom Stellard <thomas.stellard at amd.com>

Added:
    libclc/trunk/generic/include/clc/atomic/atomic_dec.h
    libclc/trunk/generic/include/clc/atomic/atomic_sub.h
Modified:
    libclc/trunk/generic/include/clc/clc.h
    libclc/trunk/generic/lib/atomic/atomic_impl.ll
    libclc/trunk/r600/lib/atomic/atomic.cl

Added: libclc/trunk/generic/include/clc/atomic/atomic_dec.h
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/atomic/atomic_dec.h?rev=190201&view=auto
==============================================================================
--- libclc/trunk/generic/include/clc/atomic/atomic_dec.h (added)
+++ libclc/trunk/generic/include/clc/atomic/atomic_dec.h Fri Sep  6 15:20:21 2013
@@ -0,0 +1 @@
+#define atomic_dec(p) atomic_sub(p, 1);

Added: libclc/trunk/generic/include/clc/atomic/atomic_sub.h
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/atomic/atomic_sub.h?rev=190201&view=auto
==============================================================================
--- libclc/trunk/generic/include/clc/atomic/atomic_sub.h (added)
+++ libclc/trunk/generic/include/clc/atomic/atomic_sub.h Fri Sep  6 15:20:21 2013
@@ -0,0 +1,3 @@
+#define __CLC_FUNCTION atomic_sub
+#include <clc/atomic/atomic_decl.inc>
+#undef __CLC_FUNCTION

Modified: libclc/trunk/generic/include/clc/clc.h
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/clc.h?rev=190201&r1=190200&r2=190201&view=diff
==============================================================================
--- libclc/trunk/generic/include/clc/clc.h (original)
+++ libclc/trunk/generic/include/clc/clc.h Fri Sep  6 15:20:21 2013
@@ -101,6 +101,8 @@
 
 /* 6.11.11 Atomic Functins */
 #include <clc/atomic/atomic_add.h>
+#include <clc/atomic/atomic_dec.h>
 #include <clc/atomic/atomic_inc.h>
+#include <clc/atomic/atomic_sub.h>
 
 #pragma OPENCL EXTENSION all : disable

Modified: libclc/trunk/generic/lib/atomic/atomic_impl.ll
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/atomic/atomic_impl.ll?rev=190201&r1=190200&r2=190201&view=diff
==============================================================================
--- libclc/trunk/generic/lib/atomic/atomic_impl.ll (original)
+++ libclc/trunk/generic/lib/atomic/atomic_impl.ll Fri Sep  6 15:20:21 2013
@@ -9,3 +9,15 @@ entry:
   %0 = atomicrmw volatile add 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
+  ret i32 %0
+}
+
+define i32 @__clc_atomic_sub_addr3(i32 addrspace(3)* nocapture %ptr, i32 %value) nounwind alwaysinline {
+entry:
+  %0 = atomicrmw volatile sub i32 addrspace(3)* %ptr, i32 %value seq_cst
+  ret i32 %0
+}

Modified: libclc/trunk/r600/lib/atomic/atomic.cl
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/r600/lib/atomic/atomic.cl?rev=190201&r1=190200&r2=190201&view=diff
==============================================================================
--- libclc/trunk/r600/lib/atomic/atomic.cl (original)
+++ libclc/trunk/r600/lib/atomic/atomic.cl Fri Sep  6 15:20:21 2013
@@ -18,3 +18,4 @@ _CLC_OVERLOAD _CLC_DEF SIGN TYPE FUNCTIO
 	ATOMIC_FUNC_ADDRSPACE(int, FUNCTION)
 
 ATOMIC_FUNC(atomic_add)
+ATOMIC_FUNC(atomic_sub)