summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--libclc/generic/include/clc/clc.h1
-rw-r--r--libclc/generic/include/clc/integer/rhadd.h2
-rw-r--r--libclc/generic/include/clc/integer/rhadd.inc1
-rw-r--r--libclc/generic/lib/SOURCES1
-rw-r--r--libclc/generic/lib/integer/rhadd.cl4
-rw-r--r--libclc/generic/lib/integer/rhadd.inc6
6 files changed, 15 insertions, 0 deletions
diff --git a/libclc/generic/include/clc/clc.h b/libclc/generic/include/clc/clc.h
index 38f71dbdee0..ae212eddef5 100644
--- a/libclc/generic/include/clc/clc.h
+++ b/libclc/generic/include/clc/clc.h
@@ -68,6 +68,7 @@
#include <clc/integer/hadd.h>
#include <clc/integer/mad24.h>
#include <clc/integer/mul24.h>
+#include <clc/integer/rhadd.h>
#include <clc/integer/rotate.h>
#include <clc/integer/sub_sat.h>
#include <clc/integer/upsample.h>
diff --git a/libclc/generic/include/clc/integer/rhadd.h b/libclc/generic/include/clc/integer/rhadd.h
new file mode 100644
index 00000000000..69b43faeebd
--- /dev/null
+++ b/libclc/generic/include/clc/integer/rhadd.h
@@ -0,0 +1,2 @@
+#define __CLC_BODY <clc/integer/rhadd.inc>
+#include <clc/integer/gentype.inc>
diff --git a/libclc/generic/include/clc/integer/rhadd.inc b/libclc/generic/include/clc/integer/rhadd.inc
new file mode 100644
index 00000000000..88ccaf09fd5
--- /dev/null
+++ b/libclc/generic/include/clc/integer/rhadd.inc
@@ -0,0 +1 @@
+_CLC_OVERLOAD _CLC_DECL __CLC_GENTYPE rhadd(__CLC_GENTYPE x, __CLC_GENTYPE y);
diff --git a/libclc/generic/lib/SOURCES b/libclc/generic/lib/SOURCES
index e936fbc6d94..5a68d07a402 100644
--- a/libclc/generic/lib/SOURCES
+++ b/libclc/generic/lib/SOURCES
@@ -14,6 +14,7 @@ integer/clz_impl.ll
integer/hadd.cl
integer/mad24.cl
integer/mul24.cl
+integer/rhadd.cl
integer/rotate.cl
integer/sub_sat.cl
integer/sub_sat_if.ll
diff --git a/libclc/generic/lib/integer/rhadd.cl b/libclc/generic/lib/integer/rhadd.cl
new file mode 100644
index 00000000000..c985870f7c7
--- /dev/null
+++ b/libclc/generic/lib/integer/rhadd.cl
@@ -0,0 +1,4 @@
+#include <clc/clc.h>
+
+#define __CLC_BODY <rhadd.inc>
+#include <clc/integer/gentype.inc>
diff --git a/libclc/generic/lib/integer/rhadd.inc b/libclc/generic/lib/integer/rhadd.inc
new file mode 100644
index 00000000000..3d607687480
--- /dev/null
+++ b/libclc/generic/lib/integer/rhadd.inc
@@ -0,0 +1,6 @@
+//rhadd = (x+y+1)>>1
+//This can be simplified to x>>1 + y>>1 + (1 if either x or y have the 1s bit set)
+//This saves us having to do any checks for overflow in the addition sums
+_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE rhadd(__CLC_GENTYPE x, __CLC_GENTYPE y) {
+ return (x>>(__CLC_GENTYPE)1)+(y>>(__CLC_GENTYPE)1)+((x&(__CLC_GENTYPE)1)|(y&(__CLC_GENTYPE)1));
+}
OpenPOWER on IntegriCloud