[PATCH] D77648: [ARM][MVE] Tail predicate VML[A|S]LDAV

[Sam Parker via Phabricator via llvm-commits]

samparker created this revision.
samparker added reviewers: SjoerdMeijer, dmgreen.
Herald added subscribers: hiraditya, kristof.beyls.
Herald added a project: LLVM.

Make the non-exchanging versions of the multiply add/sub instructions validForTailPredication.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D77648

Files:
  llvm/lib/Target/ARM/ARMInstrMVE.td
  llvm/unittests/Target/ARM/MachineInstrTest.cpp


Index: llvm/unittests/Target/ARM/MachineInstrTest.cpp
===================================================================
--- llvm/unittests/Target/ARM/MachineInstrTest.cpp
+++ llvm/unittests/Target/ARM/MachineInstrTest.cpp
@@ -531,6 +531,42 @@
     case MVE_VMINu16:
     case MVE_VMINu32:
     case MVE_VMINu8:
+    case MVE_VMLADAVas16:
+    case MVE_VMLADAVas32:
+    case MVE_VMLADAVas8:
+    case MVE_VMLADAVau16:
+    case MVE_VMLADAVau32:
+    case MVE_VMLADAVau8:
+    case MVE_VMLADAVs16:
+    case MVE_VMLADAVs32:
+    case MVE_VMLADAVs8:
+    case MVE_VMLADAVu16:
+    case MVE_VMLADAVu32:
+    case MVE_VMLADAVu8:
+    case MVE_VMLALDAVs16:
+    case MVE_VMLALDAVs32:
+    case MVE_VMLALDAVu16:
+    case MVE_VMLALDAVu32:
+    case MVE_VMLALDAVas16:
+    case MVE_VMLALDAVas32:
+    case MVE_VMLALDAVau16:
+    case MVE_VMLALDAVau32:
+    case MVE_VMLSDAVas16:
+    case MVE_VMLSDAVas32:
+    case MVE_VMLSDAVas8:
+    case MVE_VMLSDAVs16:
+    case MVE_VMLSDAVs32:
+    case MVE_VMLSDAVs8:
+    case MVE_VMLSLDAVas16:
+    case MVE_VMLSLDAVas32:
+    case MVE_VMLSLDAVs16:
+    case MVE_VMLSLDAVs32:
+    case MVE_VRMLALDAVHas32:
+    case MVE_VRMLALDAVHau32:
+    case MVE_VRMLALDAVHs32:
+    case MVE_VRMLALDAVHu32:
+    case MVE_VRMLSLDAVHas32:
+    case MVE_VRMLSLDAVHs32:
     case MVE_VMLAS_qr_s16:
     case MVE_VMLAS_qr_s32:
     case MVE_VMLAS_qr_s8:
Index: llvm/lib/Target/ARM/ARMInstrMVE.td
===================================================================
--- llvm/lib/Target/ARM/ARMInstrMVE.td
+++ llvm/lib/Target/ARM/ARMInstrMVE.td
@@ -909,6 +909,7 @@
   let Inst{3-1} = Qm{2-0};
   let Inst{0} = bit_0;
   let horizontalReduction = 1;
+  let validForTailPredication = !eq(X, 0);
 }
 
 multiclass MVE_VMLAMLSDAV_A<string iname, string x, MVEVectorVTInfo VTI,
@@ -1068,6 +1069,7 @@
   let Inst{3-1} = Qm{2-0};
   let Inst{0} = bit_0;
   let horizontalReduction = 1;
+  let validForTailPredication = !eq(X, 0);
 
   let hasSideEffects = 0;
 }


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