+// Return true if Op is an intrinsic node without chain that returns the
+// CC value as its final argument. Provide the associated SystemZISD
+// opcode and the mask of valid CC values if so.
+static bool isIntrinsicWithCC(SDValue Op, unsigned &Opcode, unsigned &CCValid) {
+ unsigned Id = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();
+ switch (Id) {
+ case Intrinsic::s390_vpkshs:
+ case Intrinsic::s390_vpksfs:
+ case Intrinsic::s390_vpksgs:
+ Opcode = SystemZISD::PACKS_CC;
+ CCValid = SystemZ::CCMASK_VCMP;
+ return true;
+
+ case Intrinsic::s390_vpklshs:
+ case Intrinsic::s390_vpklsfs:
+ case Intrinsic::s390_vpklsgs:
+ Opcode = SystemZISD::PACKLS_CC;
+ CCValid = SystemZ::CCMASK_VCMP;
+ return true;
+
+ case Intrinsic::s390_vceqbs:
+ case Intrinsic::s390_vceqhs:
+ case Intrinsic::s390_vceqfs:
+ case Intrinsic::s390_vceqgs:
+ Opcode = SystemZISD::VICMPES;
+ CCValid = SystemZ::CCMASK_VCMP;
+ return true;
+
+ case Intrinsic::s390_vchbs:
+ case Intrinsic::s390_vchhs:
+ case Intrinsic::s390_vchfs:
+ case Intrinsic::s390_vchgs:
+ Opcode = SystemZISD::VICMPHS;
+ CCValid = SystemZ::CCMASK_VCMP;
+ return true;
+
+ case Intrinsic::s390_vchlbs:
+ case Intrinsic::s390_vchlhs:
+ case Intrinsic::s390_vchlfs:
+ case Intrinsic::s390_vchlgs:
+ Opcode = SystemZISD::VICMPHLS;
+ CCValid = SystemZ::CCMASK_VCMP;
+ return true;
+
+ case Intrinsic::s390_vtm:
+ Opcode = SystemZISD::VTM;
+ CCValid = SystemZ::CCMASK_VCMP;
+ return true;
+
+ case Intrinsic::s390_vfaebs:
+ case Intrinsic::s390_vfaehs:
+ case Intrinsic::s390_vfaefs:
+ Opcode = SystemZISD::VFAE_CC;
+ CCValid = SystemZ::CCMASK_ANY;
+ return true;
+
+ case Intrinsic::s390_vfaezbs:
+ case Intrinsic::s390_vfaezhs:
+ case Intrinsic::s390_vfaezfs:
+ Opcode = SystemZISD::VFAEZ_CC;
+ CCValid = SystemZ::CCMASK_ANY;
+ return true;
+
+ case Intrinsic::s390_vfeebs:
+ case Intrinsic::s390_vfeehs:
+ case Intrinsic::s390_vfeefs:
+ Opcode = SystemZISD::VFEE_CC;
+ CCValid = SystemZ::CCMASK_ANY;
+ return true;
+
+ case Intrinsic::s390_vfeezbs:
+ case Intrinsic::s390_vfeezhs:
+ case Intrinsic::s390_vfeezfs:
+ Opcode = SystemZISD::VFEEZ_CC;
+ CCValid = SystemZ::CCMASK_ANY;
+ return true;
+
+ case Intrinsic::s390_vfenebs:
+ case Intrinsic::s390_vfenehs:
+ case Intrinsic::s390_vfenefs:
+ Opcode = SystemZISD::VFENE_CC;
+ CCValid = SystemZ::CCMASK_ANY;
+ return true;
+
+ case Intrinsic::s390_vfenezbs:
+ case Intrinsic::s390_vfenezhs:
+ case Intrinsic::s390_vfenezfs:
+ Opcode = SystemZISD::VFENEZ_CC;
+ CCValid = SystemZ::CCMASK_ANY;
+ return true;
+
+ case Intrinsic::s390_vistrbs:
+ case Intrinsic::s390_vistrhs:
+ case Intrinsic::s390_vistrfs:
+ Opcode = SystemZISD::VISTR_CC;
+ CCValid = SystemZ::CCMASK_0 | SystemZ::CCMASK_3;
+ return true;
+
+ case Intrinsic::s390_vstrcbs:
+ case Intrinsic::s390_vstrchs:
+ case Intrinsic::s390_vstrcfs:
+ Opcode = SystemZISD::VSTRC_CC;
+ CCValid = SystemZ::CCMASK_ANY;
+ return true;
+
+ case Intrinsic::s390_vstrczbs:
+ case Intrinsic::s390_vstrczhs:
+ case Intrinsic::s390_vstrczfs:
+ Opcode = SystemZISD::VSTRCZ_CC;
+ CCValid = SystemZ::CCMASK_ANY;
+ return true;
+
+ case Intrinsic::s390_vfcedbs:
+ Opcode = SystemZISD::VFCMPES;
+ CCValid = SystemZ::CCMASK_VCMP;
+ return true;
+
+ case Intrinsic::s390_vfchdbs:
+ Opcode = SystemZISD::VFCMPHS;
+ CCValid = SystemZ::CCMASK_VCMP;
+ return true;
+
+ case Intrinsic::s390_vfchedbs:
+ Opcode = SystemZISD::VFCMPHES;
+ CCValid = SystemZ::CCMASK_VCMP;
+ return true;
+
+ case Intrinsic::s390_vftcidb:
+ Opcode = SystemZISD::VFTCI;
+ CCValid = SystemZ::CCMASK_VCMP;
+ return true;
+
+ default:
+ return false;
+ }
+}
+