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[SystemZ] Consider VST/VL as SimpleBDXStore/Load #135623

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Merged
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Apr 14, 2025
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[SystemZ] Consider VST/VL as SimpleBDXStore/Load #135623

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6 changes: 4 additions & 2 deletions llvm/lib/Target/SystemZ/SystemZInstrVector.td
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Original file line number Diff line number Diff line change
Expand Up @@ -105,7 +105,8 @@ let Predicates = [FeatureVector] in {

let Predicates = [FeatureVector] in {
// Load.
defm VL : UnaryVRXAlign<"vl", 0xE706>;
let SimpleBDXLoad = 1 in
defm VL : UnaryVRXAlign<"vl", 0xE706>;

// Load to block boundary. The number of loaded bytes is only known
// at run time. The instruction is really polymorphic, but v128b matches
Expand Down Expand Up @@ -213,7 +214,8 @@ defm : ReplicatePeephole<VLREPG, v2f64, z_load, f64>;

let Predicates = [FeatureVector] in {
// Store.
defm VST : StoreVRXAlign<"vst", 0xE70E>;
let SimpleBDXStore = 1 in
defm VST : StoreVRXAlign<"vst", 0xE70E>;

// Store with length. The number of stored bytes is only known at run time.
def VSTL : StoreLengthVRSb<"vstl", 0xE73F, int_s390_vstl, 0>;
Expand Down
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