Refactor mcr* and mr*c instructions into classes with the same encoding. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123910 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2011-01-20 13:17:59 +00:00
parent 6214373fe9
commit 8197754be5

View File

@ -3666,20 +3666,25 @@ defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
defm STC2 : LdStCop<0b1111, 0, "stc2">;
def MCR : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
NoItinerary, "mcr", "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
[/* For disassembly only; pattern left blank */]> {
let Inst{20} = 0;
//===----------------------------------------------------------------------===//
// Move between coprocessor and ARM core register -- for disassembly only
//
class MovRCopro<string opc, bit direction>
: ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
NoItinerary, opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
[/* For disassembly only; pattern left blank */]> {
let Inst{20} = direction;
let Inst{4} = 1;
bits<4> Rt;
bits<4> cop;
bits<3> opc1;
bits<3> opc2;
bits<4> CRm;
bits<4> CRn;
let Inst{15-12} = Rt;
let Inst{11-8} = cop;
let Inst{23-21} = opc1;
@ -3688,21 +3693,25 @@ def MCR : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
let Inst{19-16} = CRn;
}
def MCR2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
NoItinerary, "mcr2\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
[/* For disassembly only; pattern left blank */]> {
def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */>;
def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */>;
class MovRCopro2<string opc, bit direction>
: ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{20} = 0;
let Inst{20} = direction;
let Inst{4} = 1;
bits<4> Rt;
bits<4> cop;
bits<3> opc1;
bits<3> opc2;
bits<4> CRm;
bits<4> CRn;
let Inst{15-12} = Rt;
let Inst{11-8} = cop;
let Inst{23-21} = opc1;
@ -3711,63 +3720,48 @@ def MCR2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
let Inst{19-16} = CRn;
}
def MRC : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
NoItinerary, "mrc", "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
[/* For disassembly only; pattern left blank */]> {
let Inst{20} = 1;
let Inst{4} = 1;
def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */>;
def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */>;
class MovRRCopro<string opc, bit direction>
: ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
[/* For disassembly only; pattern left blank */]> {
let Inst{23-21} = 0b010;
let Inst{20} = direction;
bits<4> Rt;
bits<4> Rt2;
bits<4> cop;
bits<3> opc1;
bits<3> opc2;
bits<4> opc1;
bits<4> CRm;
bits<4> CRn;
let Inst{15-12} = Rt;
let Inst{19-16} = Rt2;
let Inst{11-8} = cop;
let Inst{23-21} = opc1;
let Inst{7-5} = opc2;
let Inst{7-4} = opc1;
let Inst{3-0} = CRm;
let Inst{19-16} = CRn;
}
def MRC2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
NoItinerary, "mrc2\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
[/* For disassembly only; pattern left blank */]> {
def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */>;
def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
class MovRRCopro2<string opc, bit direction>
: ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"),
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{20} = 1;
let Inst{4} = 1;
bits<4> Rt;
bits<4> cop;
bits<3> opc1;
bits<3> opc2;
bits<4> CRm;
bits<4> CRn;
let Inst{15-12} = Rt;
let Inst{11-8} = cop;
let Inst{23-21} = opc1;
let Inst{7-5} = opc2;
let Inst{3-0} = CRm;
let Inst{19-16} = CRn;
}
let Inst{23-21} = 0b010;
let Inst{20} = direction;
def MCRR : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
NoItinerary, "mcrr", "\t$cop, $opc1, $Rt, $Rt2, $CRm",
[/* For disassembly only; pattern left blank */]> {
let Inst{23-20} = 0b0100;
bits<4> Rt;
bits<4> Rt2;
bits<4> cop;
bits<4> opc1;
bits<4> CRm;
let Inst{15-12} = Rt;
let Inst{19-16} = Rt2;
let Inst{11-8} = cop;
@ -3775,64 +3769,8 @@ def MCRR : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
let Inst{3-0} = CRm;
}
def MCRR2 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
NoItinerary, "mcrr2\t$cop, $opc1, $Rt, $Rt2, $CRm",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{23-20} = 0b0100;
bits<4> Rt;
bits<4> Rt2;
bits<4> cop;
bits<4> opc1;
bits<4> CRm;
let Inst{15-12} = Rt;
let Inst{19-16} = Rt2;
let Inst{11-8} = cop;
let Inst{7-4} = opc1;
let Inst{3-0} = CRm;
}
def MRRC : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
NoItinerary, "mrrc", "\t$cop, $opc1, $Rt, $Rt2, $CRm",
[/* For disassembly only; pattern left blank */]> {
let Inst{23-20} = 0b0101;
bits<4> Rt;
bits<4> Rt2;
bits<4> cop;
bits<4> opc1;
bits<4> CRm;
let Inst{15-12} = Rt;
let Inst{19-16} = Rt2;
let Inst{11-8} = cop;
let Inst{7-4} = opc1;
let Inst{3-0} = CRm;
}
def MRRC2 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
NoItinerary, "mrrc2\t$cop, $opc1, $Rt, $Rt2, $CRm",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{23-20} = 0b0101;
bits<4> Rt;
bits<4> Rt2;
bits<4> cop;
bits<4> opc1;
bits<4> CRm;
let Inst{15-12} = Rt;
let Inst{19-16} = Rt2;
let Inst{11-8} = cop;
let Inst{7-4} = opc1;
let Inst{3-0} = CRm;
}
def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */>;
def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
//===----------------------------------------------------------------------===//
// Move between special register and ARM core register -- for disassembly only