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Added ROTL and ROTR. 

llvm-svn: 25232
This commit is contained in:
Evan Cheng 2006-01-11 23:20:05 +00:00
parent 2812e79c23
commit 6d2ab04463
2 changed files with 64 additions and 30 deletions
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14
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -107,12 +107,14 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM)
setOperationAction(ISD::CTLZ , MVT::i32 , Expand);
setOperationAction(ISD::READCYCLECOUNTER , MVT::i64 , Custom);
setOperationAction(ISD::ROTL , MVT::i8 , Expand);
setOperationAction(ISD::ROTR , MVT::i8 , Expand);
setOperationAction(ISD::ROTL , MVT::i16 , Expand);
setOperationAction(ISD::ROTR , MVT::i16 , Expand);
setOperationAction(ISD::ROTL , MVT::i32 , Expand);
setOperationAction(ISD::ROTR , MVT::i32 , Expand);
if (!X86DAGIsel) {
setOperationAction(ISD::ROTL , MVT::i8 , Expand);
setOperationAction(ISD::ROTR , MVT::i8 , Expand);
setOperationAction(ISD::ROTL , MVT::i16 , Expand);
setOperationAction(ISD::ROTR , MVT::i16 , Expand);
setOperationAction(ISD::ROTL , MVT::i32 , Expand);
setOperationAction(ISD::ROTR , MVT::i32 , Expand);
}
setOperationAction(ISD::READIO , MVT::i1 , Expand);
setOperationAction(ISD::READIO , MVT::i8 , Expand);

80
llvm/lib/Target/X86/X86InstrInfo.td
View File

@ -1555,60 +1555,92 @@ let isTwoAddress = 0 in {
// Rotate instructions
// FIXME: provide shorter instructions when imm8 == 1
def ROL8rCL : I<0xD2, MRM0r, (ops R8 :$dst, R8 :$src),
"rol{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
"rol{b} {%cl, $dst|$dst, %CL}",
[(set R8:$dst, (rotl R8:$src, CL))]>, Imp<[CL],[]>;
def ROL16rCL : I<0xD3, MRM0r, (ops R16:$dst, R16:$src),
"rol{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
"rol{w} {%cl, $dst|$dst, %CL}",
[(set R16:$dst, (rotl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
def ROL32rCL : I<0xD3, MRM0r, (ops R32:$dst, R32:$src),
"rol{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
"rol{l} {%cl, $dst|$dst, %CL}",
[(set R32:$dst, (rotl R32:$src, CL))]>, Imp<[CL],[]>;
def ROL8ri : Ii8<0xC0, MRM0r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
"rol{b} {$src2, $dst|$dst, $src2}", []>;
"rol{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (rotl R8:$src1, (i8 imm:$src2)))]>;
def ROL16ri : Ii8<0xC1, MRM0r, (ops R16:$dst, R16:$src1, i8imm:$src2),
"rol{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
"rol{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (rotl R16:$src1, (i8 imm:$src2)))]>, OpSize;
def ROL32ri : Ii8<0xC1, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2),
"rol{l} {$src2, $dst|$dst, $src2}", []>;
"rol{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (rotl R32:$src1, (i8 imm:$src2)))]>;
let isTwoAddress = 0 in {
def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
"rol{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
"rol{b} {%cl, $dst|$dst, %CL}",
[(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
"rol{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
"rol{w} {%cl, $dst|$dst, %CL}",
[(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>, OpSize;
def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
"rol{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
"rol{l} {%cl, $dst|$dst, %CL}",
[(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
"rol{b} {$src, $dst|$dst, $src}", []>;
"rol{b} {$src, $dst|$dst, $src}",
[(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
"rol{w} {$src, $dst|$dst, $src}", []>, OpSize;
"rol{w} {$src, $dst|$dst, $src}",
[(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
OpSize;
def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
"rol{l} {$src, $dst|$dst, $src}", []>;
"rol{l} {$src, $dst|$dst, $src}",
[(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
}
def ROR8rCL : I<0xD2, MRM1r, (ops R8 :$dst, R8 :$src),
"ror{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
"ror{b} {%cl, $dst|$dst, %CL}",
[(set R8:$dst, (rotr R8:$src, CL))]>, Imp<[CL],[]>;
def ROR16rCL : I<0xD3, MRM1r, (ops R16:$dst, R16:$src),
"ror{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
"ror{w} {%cl, $dst|$dst, %CL}",
[(set R16:$dst, (rotr R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
def ROR32rCL : I<0xD3, MRM1r, (ops R32:$dst, R32:$src),
"ror{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
"ror{l} {%cl, $dst|$dst, %CL}",
[(set R32:$dst, (rotr R32:$src, CL))]>, Imp<[CL],[]>;
def ROR8ri : Ii8<0xC0, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
"ror{b} {$src2, $dst|$dst, $src2}", []>;
"ror{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (rotr R8:$src1, (i8 imm:$src2)))]>;
def ROR16ri : Ii8<0xC1, MRM1r, (ops R16:$dst, R16:$src1, i8imm:$src2),
"ror{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
"ror{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (rotr R16:$src1, (i8 imm:$src2)))]>, OpSize;
def ROR32ri : Ii8<0xC1, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2),
"ror{l} {$src2, $dst|$dst, $src2}", []>;
"ror{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (rotr R32:$src1, (i8 imm:$src2)))]>;
let isTwoAddress = 0 in {
def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
"ror{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
"ror{b} {%cl, $dst|$dst, %CL}",
[(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
"ror{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
"ror{w} {%cl, $dst|$dst, %CL}",
[(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>, OpSize;
def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
"ror{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
"ror{l} {%cl, $dst|$dst, %CL}",
[(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>,
Imp<[CL],[]>;
def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
"ror{b} {$src, $dst|$dst, $src}", []>;
"ror{b} {$src, $dst|$dst, $src}",
[(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
"ror{w} {$src, $dst|$dst, $src}", []>, OpSize;
"ror{w} {$src, $dst|$dst, $src}",
[(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
OpSize;
def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
"ror{l} {$src, $dst|$dst, $src}", []>;
"ror{l} {$src, $dst|$dst, $src}",
[(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
}