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Add mem-imm stores

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llvm-svn: 75933
This commit is contained in:
Anton Korobeynikov 2009-07-16 13:47:14 +00:00
parent 370d19266f
commit 47c086cc6b
3 changed files with 49 additions and 1 deletions
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1
lib/Target/SystemZ/SystemZISelLowering.cpp
View File

@ -55,7 +55,6 @@ SystemZTargetLowering::SystemZTargetLowering(SystemZTargetMachine &tm) :
setSchedulingPreference(SchedulingForLatency);
setOperationAction(ISD::RET, MVT::Other, Custom);
}
SDValue SystemZTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) {

14
lib/Target/SystemZ/SystemZInstrInfo.td
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@ -223,6 +223,20 @@ def MOV64mr : Pseudo<(outs), (ins rriaddr:$dst, GR64:$src),
"stg\t{$src, $dst}",
[(store GR64:$src, rriaddr:$dst)]>;
// FIXME: displacements here are really 12 bit, not 20!
def MOV8mi : Pseudo<(outs), (ins riaddr:$dst, i32imm:$src),
"mvi\t{$dst, $src}",
[(truncstorei8 (i32 imm:$src), riaddr:$dst)]>;
def MOV16mi : Pseudo<(outs), (ins riaddr:$dst, i32imm:$src),
"mvhhi\t{$dst, $src}",
[(truncstorei16 (i32 imm:$src), riaddr:$dst)]>;
def MOV32mi16 : Pseudo<(outs), (ins riaddr:$dst, i32imm:$src),
"mvhi\t{$dst, $src}",
[(store (i32 immSExt16:$src), riaddr:$dst)]>;
def MOV64mi16 : Pseudo<(outs), (ins riaddr:$dst, i64imm:$src),
"mvghi\t{$dst, $src}",
[(store (i64 immSExt16:$src), riaddr:$dst)]>;
// extloads
def MOVSX64rm8 : Pseudo<(outs GR64:$dst), (ins rriaddr:$src),
"lgb\t{$dst, $src}",

35
test/CodeGen/SystemZ/05-MemImmStores.ll Normal file
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@ -0,0 +1,35 @@
; RUN: llvm-as < %s | llc | grep mvghi | count 1
; RUN: llvm-as < %s | llc | grep mvhi | count 1
; RUN: llvm-as < %s | llc | grep mvhhi | count 1
; RUN: llvm-as < %s | llc | grep mvi | count 1
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"
target triple = "s390x-unknown-linux-gnu"
define void @foo1(i64* nocapture %a, i64 %idx) nounwind {
entry:
%add.ptr = getelementptr i64* %a, i64 1 ; <i64*> [#uses=1]
store i64 1, i64* %add.ptr
ret void
}
define void @foo2(i32* nocapture %a, i64 %idx) nounwind {
entry:
%add.ptr = getelementptr i32* %a, i64 1 ; <i32*> [#uses=1]
store i32 2, i32* %add.ptr
ret void
}
define void @foo3(i16* nocapture %a, i64 %idx) nounwind {
entry:
%add.ptr = getelementptr i16* %a, i64 1 ; <i16*> [#uses=1]
store i16 3, i16* %add.ptr
ret void
}
define void @foo4(i8* nocapture %a, i64 %idx) nounwind {
entry:
%add.ptr = getelementptr i8* %a, i64 1 ; <i8*> [#uses=1]
store i8 4, i8* %add.ptr
ret void
}