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Add mem-imm stores
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75933 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -55,7 +55,6 @@ SystemZTargetLowering::SystemZTargetLowering(SystemZTargetMachine &tm) :
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setSchedulingPreference(SchedulingForLatency);
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setOperationAction(ISD::RET, MVT::Other, Custom);
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}
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SDValue SystemZTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) {
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@ -223,6 +223,20 @@ def MOV64mr : Pseudo<(outs), (ins rriaddr:$dst, GR64:$src),
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"stg\t{$src, $dst}",
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[(store GR64:$src, rriaddr:$dst)]>;
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// FIXME: displacements here are really 12 bit, not 20!
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def MOV8mi : Pseudo<(outs), (ins riaddr:$dst, i32imm:$src),
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"mvi\t{$dst, $src}",
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[(truncstorei8 (i32 imm:$src), riaddr:$dst)]>;
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def MOV16mi : Pseudo<(outs), (ins riaddr:$dst, i32imm:$src),
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"mvhhi\t{$dst, $src}",
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[(truncstorei16 (i32 imm:$src), riaddr:$dst)]>;
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def MOV32mi16 : Pseudo<(outs), (ins riaddr:$dst, i32imm:$src),
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"mvhi\t{$dst, $src}",
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[(store (i32 immSExt16:$src), riaddr:$dst)]>;
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def MOV64mi16 : Pseudo<(outs), (ins riaddr:$dst, i64imm:$src),
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"mvghi\t{$dst, $src}",
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[(store (i64 immSExt16:$src), riaddr:$dst)]>;
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// extloads
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def MOVSX64rm8 : Pseudo<(outs GR64:$dst), (ins rriaddr:$src),
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"lgb\t{$dst, $src}",
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35
test/CodeGen/SystemZ/05-MemImmStores.ll
Normal file
35
test/CodeGen/SystemZ/05-MemImmStores.ll
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@ -0,0 +1,35 @@
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; RUN: llvm-as < %s | llc | grep mvghi | count 1
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; RUN: llvm-as < %s | llc | grep mvhi | count 1
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; RUN: llvm-as < %s | llc | grep mvhhi | count 1
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; RUN: llvm-as < %s | llc | grep mvi | count 1
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target datalayout = "E-p:64:64:64-i1:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128"
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target triple = "s390x-unknown-linux-gnu"
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define void @foo1(i64* nocapture %a, i64 %idx) nounwind {
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entry:
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%add.ptr = getelementptr i64* %a, i64 1 ; <i64*> [#uses=1]
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store i64 1, i64* %add.ptr
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ret void
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}
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define void @foo2(i32* nocapture %a, i64 %idx) nounwind {
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entry:
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%add.ptr = getelementptr i32* %a, i64 1 ; <i32*> [#uses=1]
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store i32 2, i32* %add.ptr
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ret void
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}
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define void @foo3(i16* nocapture %a, i64 %idx) nounwind {
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entry:
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%add.ptr = getelementptr i16* %a, i64 1 ; <i16*> [#uses=1]
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store i16 3, i16* %add.ptr
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ret void
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}
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define void @foo4(i8* nocapture %a, i64 %idx) nounwind {
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entry:
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%add.ptr = getelementptr i8* %a, i64 1 ; <i8*> [#uses=1]
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store i8 4, i8* %add.ptr
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ret void
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}
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