r285679 - [PPC] Add vec_absd functions to altivec.h

[Nemanja Ivanovic via cfe-commits]

Author: nemanjai
Date: Tue Nov  1 03:39:56 2016
New Revision: 285679

URL: http://llvm.org/viewvc/llvm-project?rev=285679&view=rev
Log:
[PPC] Add vec_absd functions to altivec.h

This patch corresponds to review https://reviews.llvm.org/D26073.
Committing on behalf of Sean Fertile.

Modified:
    cfe/trunk/include/clang/Basic/BuiltinsPPC.def
    cfe/trunk/lib/Headers/altivec.h
    cfe/trunk/test/CodeGen/builtins-ppc-p9vector.c

Modified: cfe/trunk/include/clang/Basic/BuiltinsPPC.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsPPC.def?rev=285679&r1=285678&r2=285679&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsPPC.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsPPC.def Tue Nov  1 03:39:56 2016
@@ -284,6 +284,11 @@ BUILTIN(__builtin_altivec_vpopcnth, "V8U
 BUILTIN(__builtin_altivec_vpopcntw, "V4UiV4Ui", "")
 BUILTIN(__builtin_altivec_vpopcntd, "V2ULLiV2ULLi", "")
 
+// Absolute difference built-ins
+BUILTIN(__builtin_altivec_vabsdub, "V16UcV16UcV16Uc", "")
+BUILTIN(__builtin_altivec_vabsduh, "V8UsV8UsV8Us", "")
+BUILTIN(__builtin_altivec_vabsduw, "V4UiV4UiV4Ui", "")
+
 // VSX built-ins.
 
 BUILTIN(__builtin_vsx_lxvd2x, "V2divC*", "")

Modified: cfe/trunk/lib/Headers/altivec.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/altivec.h?rev=285679&r1=285678&r2=285679&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/altivec.h (original)
+++ cfe/trunk/lib/Headers/altivec.h Tue Nov  1 03:39:56 2016
@@ -163,6 +163,26 @@ vec_abss(vector signed int __a) {
       __a, __builtin_altivec_vsubsws((vector signed int)(0), __a));
 }
 
+/* vec_absd */
+#if defined(__POWER9_VECTOR__)
+
+static __inline__ vector unsigned char __ATTRS_o_ai
+vec_absd(vector unsigned char __a, vector unsigned char __b) {
+  return __builtin_altivec_vabsdub(__a, __b);
+}
+
+static __inline__ vector unsigned short __ATTRS_o_ai
+vec_absd(vector unsigned short __a, vector unsigned short __b) {
+  return __builtin_altivec_vabsduh(__a, __b);
+}
+
+static __inline__ vector unsigned int __ATTRS_o_ai
+vec_absd(vector unsigned int __a,  vector unsigned int __b) {
+  return __builtin_altivec_vabsduw(__a, __b);
+}
+
+#endif /* End __POWER9_VECTOR__ */
+
 /* vec_add */
 
 static __inline__ vector signed char __ATTRS_o_ai

Modified: cfe/trunk/test/CodeGen/builtins-ppc-p9vector.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins-ppc-p9vector.c?rev=285679&r1=285678&r2=285679&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/builtins-ppc-p9vector.c (original)
+++ cfe/trunk/test/CodeGen/builtins-ppc-p9vector.c Tue Nov  1 03:39:56 2016
@@ -803,3 +803,19 @@ vector unsigned __int128 test68(void) {
 // CHECK-NEXT: ret <1 x i128>
   return vec_parity_lsbb (vsi128a);
 }
+
+vector unsigned char test69(void) {
+// CHECK-BE: call <16 x i8> @llvm.ppc.altivec.vabsdub(<16 x i8> {{.+}}, <16 x i8> {{.+}})
+// CHECK: call <16 x i8> @llvm.ppc.altivec.vabsdub(<16 x i8> {{.+}}, <16 x i8> {{.+}})
+  return vec_absd(vuca, vucb);
+}
+vector unsigned short test70(void) {
+// CHECK-BE: call <8 x i16> @llvm.ppc.altivec.vabsduh(<8 x i16> {{.+}}, <8 x i16> {{.+}})
+// CHECK: call <8 x i16> @llvm.ppc.altivec.vabsduh(<8 x i16> {{.+}}, <8 x i16> {{.+}})
+  return vec_absd(vusa, vusb);
+}
+vector unsigned int test71(void) {
+// CHECK-BE: call <4 x i32> @llvm.ppc.altivec.vabsduw(<4 x i32> {{.+}}, <4 x i32> {{.+}})
+// CHECK: call <4 x i32> @llvm.ppc.altivec.vabsduw(<4 x i32> {{.+}}, <4 x i32> {{.+}})
+  return vec_absd(vuia, vuib);
+}