[Libclc-dev] [PATCH 1/2] atomic: Add generic bitcode implementation of atomic_max

[Aaron Watry]

Not used yet...

Signed-off-by: Aaron Watry <awatry at gmail.com>
---
 generic/include/clc/atomic/atomic_max.h |  3 +++
 generic/include/clc/clc.h               |  1 +
 generic/lib/atomic/atomic_impl.ll       | 12 ++++++++++++
 3 files changed, 16 insertions(+)
 create mode 100644 generic/include/clc/atomic/atomic_max.h

diff --git a/generic/include/clc/atomic/atomic_max.h b/generic/include/clc/atomic/atomic_max.h
new file mode 100644
index 0000000..30dc180
--- /dev/null
+++ b/generic/include/clc/atomic/atomic_max.h
@@ -0,0 +1,3 @@
+#define __CLC_FUNCTION atomic_max
+#include <clc/atomic/atomic_decl.inc>
+#undef __CLC_FUNCTION
diff --git a/generic/include/clc/clc.h b/generic/include/clc/clc.h
index b8c1cb9..b492c54 100644
--- a/generic/include/clc/clc.h
+++ b/generic/include/clc/clc.h
@@ -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 */
diff --git a/generic/lib/atomic/atomic_impl.ll b/generic/lib/atomic/atomic_impl.ll
index 9df5b9f..4e228e8 100644
--- a/generic/lib/atomic/atomic_impl.ll
+++ b/generic/lib/atomic/atomic_impl.ll
@@ -10,6 +10,18 @@ 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_sub_addr1(i32 addrspace(1)* nocapture %ptr, i32 %value) nounwind alwaysinline {
 entry:
   %0 = atomicrmw volatile sub i32 addrspace(1)* %ptr, i32 %value seq_cst
-- 
1.9.1