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Added X86 readport patterns. 

llvm-svn: 24879
This commit is contained in:
Evan Cheng 2005-12-20 07:38:38 +00:00
parent 9696f63d3e
commit 5815a6e455
2 changed files with 26 additions and 12 deletions
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5
llvm/lib/Target/TargetSelectionDAG.td
View File

@ -133,6 +133,10 @@ def SDTBr : SDTypeProfile<0, 1, [ // br
def SDTRet : SDTypeProfile<0, 0, []>; // ret
def SDTReadPort : SDTypeProfile<1, 1, [ // readport
SDTCisInt<0>, SDTCisInt<1>
]>;
def SDTWritePort : SDTypeProfile<0, 2, [ // writeport
SDTCisInt<0>, SDTCisInt<1>
]>;
@ -254,6 +258,7 @@ def selectcc : SDNode<"ISD::SELECT_CC" , SDTSelectCC>;
def br : SDNode<"ISD::BR" , SDTBr, [SDNPHasChain]>;
def ret : SDNode<"ISD::RET" , SDTRet, [SDNPHasChain]>;
def readport : SDNode<"ISD::READPORT" , SDTReadPort, [SDNPHasChain]>;
def writeport : SDNode<"ISD::WRITEPORT" , SDTWritePort, [SDNPHasChain]>;
def load : SDNode<"ISD::LOAD" , SDTLoad, [SDNPHasChain]>;

27
llvm/lib/Target/X86/X86InstrInfo.td
View File

@ -399,18 +399,27 @@ def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}", []>,
// Input/Output Instructions...
//
def IN8rr : I<0xEC, RawFrm, (ops),
"in{b} {%dx, %al|%AL, %DX}", []>, Imp<[DX], [AL]>;
"in{b} {%dx, %al|%AL, %DX}",
[(set AL, (readport DX))]>, Imp<[DX], [AL]>;
def IN16rr : I<0xED, RawFrm, (ops),
"in{w} {%dx, %ax|%AX, %DX}", []>, Imp<[DX], [AX]>, OpSize;
"in{w} {%dx, %ax|%AX, %DX}",
[(set AX, (readport DX))]>, Imp<[DX], [AX]>, OpSize;
def IN32rr : I<0xED, RawFrm, (ops),
"in{l} {%dx, %eax|%EAX, %DX}", []>, Imp<[DX],[EAX]>;
"in{l} {%dx, %eax|%EAX, %DX}",
[(set EAX, (readport DX))]>, Imp<[DX],[EAX]>;
def IN8ri : Ii8<0xE4, RawFrm, (ops i8imm:$port),
"in{b} {$port, %al|%AL, $port}", []>, Imp<[], [AL]>;
def IN16ri : Ii8<0xE5, RawFrm, (ops i8imm:$port),
"in{w} {$port, %ax|%AX, $port}", []>, Imp<[], [AX]>, OpSize;
def IN32ri : Ii8<0xE5, RawFrm, (ops i8imm:$port),
"in{l} {$port, %eax|%EAX, $port}", []>, Imp<[],[EAX]>;
def IN8ri : Ii8<0xE4, RawFrm, (ops i16i8imm:$port),
"in{b} {$port, %al|%AL, $port}",
[(set AL, (readport i16immZExt8:$port))]>,
Imp<[], [AL]>;
def IN16ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
"in{w} {$port, %ax|%AX, $port}",
[(set AX, (readport i16immZExt8:$port))]>,
Imp<[], [AX]>, OpSize;
def IN32ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
"in{l} {$port, %eax|%EAX, $port}",
[(set EAX, (readport i16immZExt8:$port))]>,
Imp<[],[EAX]>;
def OUT8rr : I<0xEE, RawFrm, (ops),
"out{b} {%al, %dx|%DX, %AL}",