Compile the vpkuhum/vpkuwum intrinsics into vpkuhum/vpkuwum instead of into
vperm with a perm mask lvx'd from the constant pool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27448 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCInstrAltivec.td b/lib/Target/PowerPC/PPCInstrAltivec.td
index 6cac3ec..75cf82c 100644
--- a/lib/Target/PowerPC/PPCInstrAltivec.td
+++ b/lib/Target/PowerPC/PPCInstrAltivec.td
@@ -15,6 +15,15 @@
// Altivec transformation functions and pattern fragments.
//
+/// VPKUHUM_shuffle_mask/VPKUWUM_shuffle_mask - Return true if this is a valid
+/// shuffle mask for the VPKUHUM or VPKUWUM instructions.
+def VPKUHUM_shuffle_mask : PatLeaf<(build_vector), [{
+ return PPC::isVPKUHUMShuffleMask(N);
+}]>;
+def VPKUWUM_shuffle_mask : PatLeaf<(build_vector), [{
+ return PPC::isVPKUWUMShuffleMask(N);
+}]>;
+
// VSPLT*_get_imm xform function: convert vector_shuffle mask to VSPLT* imm.
def VSPLTB_get_imm : SDNodeXForm<build_vector, [{
return getI32Imm(PPC::getVSPLTImmediate(N, 1));
@@ -369,11 +378,13 @@
def VPKSWUS : VX1_Int<334, "vpkswus", int_ppc_altivec_vpkswus>;
def VPKUHUM : VXForm_1<14, (ops VRRC:$vD, VRRC:$vA, VRRC:$vB),
"vpkuhum $vD, $vA, $vB", VecFP,
- [/*TODO*/]>;
+ [(set VRRC:$vD, (vector_shuffle (v16i8 VRRC:$vA),
+ VRRC:$vB, VPKUHUM_shuffle_mask))]>;
def VPKUHUS : VX1_Int<142, "vpkuhus", int_ppc_altivec_vpkuhus>;
def VPKUWUM : VXForm_1<78, (ops VRRC:$vD, VRRC:$vA, VRRC:$vB),
"vpkuwum $vD, $vA, $vB", VecFP,
- [/*TODO*/]>;
+ [(set VRRC:$vD, (vector_shuffle (v16i8 VRRC:$vA),
+ VRRC:$vB, VPKUWUM_shuffle_mask))]>;
def VPKUWUS : VX1_Int<206, "vpkuwus", int_ppc_altivec_vpkuwus>;
// Vector Unpack.